Kirjallinen toiminta/List of publications Hanna Vehkam¨aki (entinen/formerly Arstila) December 22, 2016 Up-to-date information on my citation metrics: http://www.researcherid.com/rid/A-8262-2008

1.1

V¨ ait¨ oskirja/Ph. D. thesis

Hanna Arstila: Gas liquid nucleation in nonideal molecular systems. Report Series in Aerosol Science, Vol 33, 31+54 pages, 1997.

1.2

Oppikirjat/Textbooks

Hanna Vehkam¨aki: Classical Nucleation Theory in Multicomponent Systems. 176 pages, Springer-Verlag Berlin Heidelberg, 2006.

1.3

Artikkelit lehdiss¨ a, joissa k¨ aytet¨ a¨ an arviointij¨ arjestelm¨ a¨ a/ Peer-reviewed journal articles

146. Lauri Partanen, Hanna Vehkam¨aki, Klavs Hansen, Jonas Elm, Henning Henschel, Theo Kurt´en, Roope Halonen and Evgeni Zapadinsky: The effect of conformers on free energies of atmospheric complexes. The Journal of Physical Chemistry A Vol 120, pp. 86138624, 2016. 145. Mikko Sipil¨a, Nina Sarnela, Tuija Jokinen, Henning Henschel, Heikki Junninen, Jenni Kontkanen, Stefanie Richters, Juha Kangasluoma, Alessandro Franchin, Otso Per¨akyl¨a, Matti P. Rissanen, Mikael Ehn, Hanna Vehkam¨aki, Theo Kurten, Torsten Berndt, Tuukka Pet¨aj¨a, Douglas Worsnop, Darius Ceburnis, Veli-Matti Kerminen, Markku Kulmala and Colin O’Dowd: Molecular-scale evidence of aerosol particle formation via sequential addition of HIO3 . Nature Vol 537, pp. 532–534, 2016. 1

List of publications Hanna Vehkam¨aki

2

144. Elham Baranizadeh, Benjamin N. Murphy, Jan Julin, Saeed Falahat, Carly L. Reddington, Antti Arola, Lars Ahlm, Santtu Mikkonen, Christos Fountoukis, David Patoulias, Andreas Minikin, Thomas Hamburger, Ari Laaksonen, Spyros N. Pandis, Hanna Vehkam¨aki, Kari E. J. Lehtinen, and Ilona Riipinen: Implementation of state-of-the-art ternary new particle formation scheme to the regional chemical transport model PMCAMx-UF in Europe. Geoscientific Model Development Vol 9, pp. 2741-2754, 2016. 143. Markku Kulmala , Urmas H˜orrak, Hanna E. Manninen, Sander Mirme, Madis Noppel, Katrianne Lehtipalo, Heikki Junninen, Hanna Vehkam¨aki,Veli-Matti Kerminen, Steffen M. Noe and Hannes Tammet: The legacy of Finnish-Estonian air ion and aerosol workshops. Boreal Environmental Research, Vol 21 pp. 181-206, 2016. 142. Jonas Elm, Coty Jen, Theo Kurt´en, Hanna Vehkam¨aki: Strong Hydrogen Bonded Molecular Interactions Between Atmospheric Diamines and Sulfuric Acid. Journal of Physical Chemistry A, Vol 120(20), pp 3693-3700, DOI: 10.1021/acs.jpca.6b03192, 2016. 141. Jonas Elm, Nanna Myllys, Jan-Niclas Luy, Theo Kurt´en and Hanna Vehkam¨aki: The Effect of Water and Bases on the Clustering of a Cyclohexene Autoxidation Product C6H8O7 with Sulfuric Acid. Journal of Physical Chemistry A, Vol 120(14), pp 2240-2249, DOI: 10.1021/acs.jpca.6b00677, 2016. 140. Katrianne Lehtipalo, Linda Rondo, Jenni Kontkanen, Siegfried Schobesberger, Tuija Jokinen, Nina Sarnela, Andreas K¨ urten, Sebastian Ehrhart, Alessandro Franchin, Tuomo Nieminen, Francesco Riccobono, Mikko Sipil¨a, Taina Yli-Juuti, Jonathan Duplissy, Alexey Adamov, Lars Ahlm, Jo˜ao Almeida, Antonio Amorim, Federico Bianchi, Martin Breitenlechner, Josef Dommen5, Andrew J. Downard, Eimear M. Dunne, Richard C. Flagan, Roberto Guida, Jani Hakala, Armin Hansel, Werner Jud, Juha Kangasluoma, Veli-Matti Kerminen, Helmi Keskinen, Jaeseok Kim, Jasper Kirkby, Agnieszka Kupc, Oona Kupiainen-M¨aa¨tt¨a, Ari Laaksonen, Michael J. Lawler, Markus Leiminger, Serge Mathot, Tinja Olenius, Ismael K. Ortega, Antti Onnela, Tuukka Pet¨aj¨a, Arnaud Praplan, Matti P. Rissanen, Taina Ruuskanen, Filipe D. Santos, Simon Schallhart, Ralf Schnitzhofer, Mario Simon, James N. Smith, Jasmin Tr¨ostl, Georgios Tsagkogeorgas, Ant´onio Tom´e, Petri Vaattovaara, Hanna Vehkam¨aki, Aron E.

List of publications Hanna Vehkam¨aki

3

Vrtala, Paul E. Wagner, Christina Williamson, Daniela Wimmer, Paul M. Winkler, Annele Virtanen, Neil M. Donahue, Kenneth S. Carslaw, Urs Baltensperger, Ilona Riipinen, Joachim Curtius, Douglas R. Worsnop and Markku Kulmala: The effect of acid-base clustering and ions on the growth of atmospheric nano-particles. Nature Communications 7, Article number: 11594, DOI: 10.1038/ncomms11594, 2016. 139. Jenni Kontkanen, Tinja Olenius, Katrianne Lehtipalo, Hanna Vehkam¨aki, Markku Kulmala and Kari E. J. Lehtinen: Growth of atmospheric clusters involving cluster-cluster collisions: comparison of different growth rate methods. Atmospheric Chemistry and Physics, Vol. 16, pp 5545-5560, 2016. 138. Juha Kangasluoma, Alexander Samodurov, Michel Attoui, Alessandro Franchin, Heikki Junninen, Frans Korhonen, Theo Kurt´en, Hanna Vehkam¨aki, Mikko Sipil¨a, Katrianne Lehtipalo, Douglas R. Worsnop, Tuukka Pet¨aj¨a and Markku Kulmala: Heterogeneous Nucleation Onto Ions and Neutralized Ions - Insights Into Sign-Preference. Journal of Chemical Physics, Vol 120 (13), pp 7444–7450, 2016. 137. Henning Henschel, Theo Kurt´en and Hanna Vehkam¨aki: A Computational Study on the Effect of Hydration on New Particle Formation in the Sulfuric Acid/Ammonia and Sulfuric Acid/Dimethylamine Systems. Journal of Physical Chemistry A, Vol 120 (11), pp 1886–1896, 2016. 136. Narcisse Tsona, Nicolai Bork, Ville Loukonen, Hanna Vehkam¨aki: A Closure Study of the Reaction between Sulfur Dioxide and the Sulfate Radical Ion from First-Principles Molecular Dynamics Simulations. Journal of Physical Chemistry A, Vol 120 (7), pp 1046–1050, 2016. 135. Nanna Myllys, Jonas Elm, Roope Halonen, Theo Kurt´en, and Hanna Vehkam¨aki: Coupled Cluster Evaluation of the Stability of Atmospheric Acid-Base Clusters with up to 10 Molecules. Journal of Physical Chemistry A, 120 (4), pp 621–630, 2016. 134. Ismael Ortega Colomer, Neil M. Donahue, Theo Kurt´en, Markku Kulmala, Cristian Focsa and Hanna Vehkam¨aki: Can Highly

List of publications Hanna Vehkam¨aki

4

Oxidized Organics Contribute to Atmospheric New Particle Formation? Journal of Physical Chemistry A, Vol 120, pp 1452–1458, 2016. 133. Jonathan Duplissy, Joonas Merikanto, Alessandro Franchin, G. Tsagkogeorgas Juha Kangasluoma, Daniela Wimmer, Henri Vuollekoski, Sigfried Schobesberger, Katrianne Lehtipalo, Richard C. Flagan, David. Brus, Neil.M. Donahue, Hanna Vehkam¨aki, Joao Almeida, Antonio Amorim, Peter Barmet, Federico Bianchi, Martin Breitenlechner, Eimear M. Dunne, Roberto Guida, Henning Henschel, Heikki Junninen, Jasper Kirkby, Andreas K¨ urten, Aagnieszka Kupc, Anni M¨a¨att¨anen, Vladimir Makhmutov, Serge Mathot, Tuomo Nieminen, Antti Onnela, Arnaud P. Praplan, Francesco Riccobono, Linda Rondo, Gerhard Steiner, Antonio Tome, Hansueli Walther, Urs Baltensperger, Ken S. Carslaw, Josef Dommen, Armin Hansel, Tuukka Pet¨aj¨a, Mikko Sipil¨a, Frank Stratmann, Aron Vrtala, Paul .E. Wagner, Doug .R. Worsnop, Joachim Curtius and Markku Kulmala: Effect of ions on sulfuric acid-water binary particle formation II: Experimental data and comparison with QC-normalized classical nucleation theory. Journal of Geophysical Research - Atmospheres, Vol 121, pp 1752-1775, 2016. 132. Joonas Merikanto, Jonathan Duplissy, Anni M¨a¨att¨anen, Henning Henschel, Neil M. Donahue, David Brus, Siegfried Schobesberger, Markku Kulmala, and Hanna Vehkam¨aki: Effect of ions on sulfuric acid-water binary particle formation I: Theory for kinetic and nucleation-type particle formation and atmospheric implications. Journal of Geophysical Research - Atmospheres, Vol 121, pp. 1736-175,1 2016. 131. Narcisse Tsona, Henning Henschel, Nicolai Bork, Ville Loukonen and Hanna Vehkam¨aki: Structures, Hydration and Electrical Mobilities of Bisulfate Ion-Sulfuric Acid-Ammonia/ Dimethylamine Clusters – a Computational Study. Journal of Physical Chemistry A, Vol 119 (37), pp 9670–9679, 2015. 130. Tinja Olenius, Oona Kupiainen-M¨aa¨tt¨a, Kari E.J. Lehtinen and Hanna Vehkam¨aki: Technical note: Extrapolating particle concentration along the size axis in the nanometer size range requires discrete rate equations. Journal of Aerosol Science, Vol 90, pp.1-13, 2015.

List of publications Hanna Vehkam¨aki

5

129. Kai Ruusuvuori, Paula Hietala, Ooona Kupiainen-M¨aa¨tt¨a, Tuija Jokinen, Heikki Junninen, Mikko Sipil¨a, Theo Kurt´en and Hanna Vehkam¨aki: The charging of neutral dimethylamine and dimethylamine-sulphuric acid clusters using protonated acetone. Atmospheric Measurement Techniques, Vol 8, pp. 2577-2588, 2015. 128. Oona Kupiainen-M¨aa¨tt¨a, Henning Henschel, Theo Kurt´en, Ville Loukonen, Tinja Olenius, Pauli Paasonen and Hanna Vehkam¨aki: Comment on ’Enhancement in the production of nucleating clusters due to dimethylamine and large uncertainties in the thermochemistry of amine-enhanced nucleation’ by Nadykto et al., Chem. Phys. Lett., 609, 42-49 (2014). Chemical Physics letters Vol 624, pp. 107–110, 2015. 127. Narcisse T. Tsona, Nicolai Bork, and Hanna Vehkam¨aki: Exploring the chemical fate of the sulfate radical anion by reaction with sulfur dioxide in the gas phase. Atmospheric Chemistry and Physics, Vol 15, pp. 495-503, DOI:10.5194/acp-15-495-2015, 2015. 126. Nicolai Bork, Ville Loukonen, Henrik G. Kjaergaar and Hanna Vehkam¨aki: Resolving the anomalous infrared spectrum of the MeCN–HCl molecular cluster using ab Initio molecular dynamics. Physical Chemistry Chemical Physics, Vol. 16, pp. 2468524690, DOI:10.1039/c4cp03828b, 2014. 125. Nicolai Bork, Jonas Elm, Tinja Olenius, and Hanna Vehkam¨aki: Methane sulfonic acid enhanced formation of molecular clusters of sulfuric acid and dimethyl amine. Atmospheric Chemistry and Physics, Vol 14, pp. 12023-12030, DOI: 10.5194/acp-14-12023-2014, 2014. 124. Tinja Olenius, Ilona Riipinen, Katrianne Lehtipalo, and Hanna Vehkam¨aki: Growth rates of atmospheric molecular clusters based on appearance times and collision–evaporation fluxes: growth by monomers. Journal of Aerosol Science Vol 78, 2014, pp. 55–70, DOI: 10.1016/j.jaerosci.2014.08.008, 2014. 123. Oona Kupiainen-M¨a¨att¨a, Tinja Olenius, Hannele Korhonen, Jussi Malila, Miikka Dal Maso, Kari Lehtinen, Hanna Vehkam¨aki: Critical cluster size cannot in practice be determined by slope analysis in atmospherically relevant applications. Journal of Aerosol Science, Vol 77, pp. 127–144, DOI: 10.1016/j.jaerosci.2014.07.005, 2014.

List of publications Hanna Vehkam¨aki

6

122. Ismael K. Ortega, Tinja Olenius, Oona Kupiainen-M¨aa¨tt¨a, Ville Loukonen, Theo Kurt´en and Hanna Vehkam¨aki: Electrical charging changes the composition of sulfuric acid-ammonia/dimethylamine clusters. Atmospheric Chemistry and Physics, Vol 14, pp. 7995–8007, DOI: 10.5194/acp-14-7995-2014, 2014. 121. Henning Henschel, Juan Camilo Acosta Navarro, Taina YliJuuti, Oona Kupiainen-M¨aa¨tt¨a, Tinja Olenius, Ismael Kenneth Ortega Colomer, Simon L. Clegg, Theo Kurt´en, Ilona Riipinen, and Hanna Vehkam¨aki: Hydration of Atmospherically Relevant Molecular Clusters: Computational Chemistry and Classical Thermodynamics. Journal of Physical Chemistry A, Vol 118 (14), pp. 2599–2611, DOI: 10.1021/jp500712y, 2014. 120. Tinja Olenius, Theo Kurt´en, Oona Kupiainen-M¨aa¨tt¨a, Henning Henschel, Ismael K. Ortega and Hanna Vehkam¨aki: Effect of hydration and base contaminants on sulfuric acid diffusion measurement: a computational study. Aerosol Science and Technology Vol 48(6), pp. 593-603, DOI:10.1080/02786826.2014.903556, 2014. 119. Narcisse T. Tsona, Nicolai Bork, and Hanna Vehkam¨aki: On the gas-phase reaction between SO2 and O− 2 (H2 O)0−3 clusters – an ab initio study. Physical Chemistry Chemical Physics, Vol 16, pp. 5987-5992, DOI: 10.1039/C3CP54715A, 2014. 118. Ville Loukonen, Nicolai Bork, Anu Hanna Vehkam¨aki: From Collisions to Clusters: First Steps of Sulfuric Acid Nanocluster Formation Dynamics. Molecular Physics, Vol 112, pp. 1979-1986, DOI: 10.1080/00268976.2013.877167, 2014. 117. Ville Loukonen, I-Feng W Kulo, Matthew J McGrath, and Hanna Vehkam¨aki: On the Stability and Dynamics of (sulfuric acid)(ammonia) and (sulfuric acid)(dimethylamine) clusters: a first-principles molecular dynamics investigation . Chemical Physics, Vol 428, pp. 164-174, 2014. 116. Oona Kupiainen-M¨a¨att¨a, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: CIMS Sulfuric Acid Detection Efficiency Enhanced by Amines Due to Higher Dipole Moments: A Computational Study. Journal of Physical Chemistry A. Vol 117 pp. 14109-14119. DOI: 10.1021/jp4049764, 2013.

List of publications Hanna Vehkam¨aki

7

115. Joao Almeida, Siegfried Schobesberger, Andreas K¨ urten, Ismael K. Ortega, Oona Kupiainen-M¨aa¨tt¨a, Arnaud P. Praplan, Alexey Adamov, Antonio Amorim, Federico Bianchi, Martin Breitenlechner, Andr´e David, Josef Dommen, Neil M. Donahue, Andrew Downard, Eimear Dunne, Jonathan Duplissy, Sebastian Ehrhart, Richard C. Flagan, Alessandro Franchin, Roberto Guida, Jani Hakala, Armin Hansel, Martin Heinritzi, Henning Henschel, Tuija Jokinen, Heikki Junninen, Maija Kajos, Juha Kangasluoma, Helmi Keskinen, Agnieszka Kupc, Theo Kurt´en, Alexander N. Kvashin, Ari Laaksonen, Katrianne Lehtipalo, Markus Leiminger, Johannes Lepp¨a, Ville Loukonen, Vladimir Makhmutov, Serge Mathot, Matthew J. McGrath, Tuomo Nieminen, Tinja Olenius, Antti Onnela, Tuukka Pet¨aj¨a, Francesco Riccobono, Ilona Riipinen, Matti Rissanen, Linda Rondo, Taina Ruuskanen, Filipe D. Santos, Nina Sarnela, Simon Schallhart, Ralf Schnitzhofer, John H. Seinfeld, Mario Simon, Mikko Sipil¨a, Yuri Stozhkov, Frank Stratmann, Antonio Tom´e, Jasmin Tr¨ostl, Georgios Tsagkogeorgas, Petri Vaattovaara, Yrj¨o Viisanen, Annele Virtanen, Aron Vrtala, Paul E. Wagner, Ernest Weingartner, Heike Wex, Christina Williamson, Daniela Wimmer, Penglin Ye, Taina Yli-Juuti,Kenneth S. Carslaw, Markku Kulmala, Joachim Curtius, Urs Baltensperger, Douglas R. Worsnop, Hanna Vehkam¨aki, and Jasper Kirkby: Molecular understanding of sulphuric acidamine particle nucleation in the atmosphere. Nature, Vol 502, pp. 359–363, 2013. 114. Kai Ruusuvuori, Theo Kurt´en, Ismael K. Ortega, Jennifer Faust and Hanna Vehkam¨aki: Proton affinities of candidates for positively charged ambient ions in the boreal forest. Atmospheric Chemistry and Physics, Vol 13, pp. 10397–10404, 2013. 113. Siegfried Schobesberger, Heikki Junninen, Federico Bianchi, Gustaf L¨onn, Mikael Ehn, Katrianne Lehtipalo, Josef Dommen, Sebastian Ehrhart, Ismael K. Ortega, Alessandro Franchin, Tuomo Nieminen, Francesco Riccobono, Manuel Hutterli, Jonathan Duplissy, Jo˜ao Almeida, Antonio Amorim, Martin Breitenlechner, Andrew J. Downard, Eimear M. Dunne, Richard C. Flagan, Maija Kajos, Helmi Keskinen, Jasper Kirkby, Agnieszka Kupc, Andreas K¨ urten, Theo Kurt´en, Ari Laaksonen, Serge Mathot, Antti Onnela, Arnaud P. Praplan, Linda Rondo, Filipe D. Santos, Simon Schallhara, Ralf Schnitzhofer, Mikko Sipil¨a, Ant´onio Tom´e, Georgios Tsagkogeorgas, Hanna Vehkam¨aki, Daniela Wimmer, Urs Baltensperger, Kenneth S. Carslaw, Joachim Curtius, Armin Hansel, Tuukka Pet¨aj¨a, Markku Kulmala, Neil M. Donahue, and Douglas R. Worsnop: Molecular understanding of

List of publications Hanna Vehkam¨aki

8

atmospheric particle formation from sulfuric acid and large oxidized organic molecules. Proceedings of the National Academy of Sciences (PNAS),Vol 110, pp. 17223–17228, DOI: 10.1073/pnas.1306973110, 2013. 112. Madis Noppel, Hanna Vehkam¨aki, Paul Winkler, Markku Kulmala, and Paul Wagner: Heterogeneous nucleation in multicomponent vapor on a partially wettable charged conducting particle. II. The generalized Laplace, Gibbs-Kelvin and Young equations and application to nucleation. Journal of Chemical Physics,Vol 139, 134108, 2013. 111. Madis Noppel, Hanna Vehkam¨aki, Paul Winkler, Markku Kulmala, and Paul Wagner: Heterogeneous nucleation in multicomponent vapor on a partially wettable charged conducting particle. I. Formulation of general equations. Electrical surface and line excess quantities. Journal of Chemical Physics, Vol 139, 134107, 2013. 110. Tinja Olenius, Oona Kupiainen, Ismael Ortega, Theo Kurt´en, and Hanna Vehkam¨aki: Free energy barrier in the growth of sulfuric acid-ammonia and sulfuric acid-dimethylamine clusters. Journal of Chemical Physics, Vol 139, 084312, 2013. 109. Neil M. Donahue, Ismael K. Ortega, Wayne Chuang, Ilona Riipinen, Francesco Riccobono, Siegfrid Schobesberger, Josef Dommen, Markku Kulmala, Douglas Worsnop, and Hanna Vehkam¨aki: How Do Organic Vapors Contribute to New-Particle Formation?. Faraday Discussions, Vol 165, pp. 91-104, DOI: 10.1039/C3FD00046J, 2013. 108. Tinja Olenius, Siegfried Schobesberger, Oona Kupiainen, Alessandro Franchin, Heikki Junninen, Ismael K. Ortega, Theo Kurt´en, Ville Loukonen, Doug Worsnop, Markku Kulmala and Hanna Vehkam¨aki: Comparing simulated and experimental molecular cluster distributions. Faraday Discussions, Vol 165, pp. 75-89, DOI: 10.1039/C3FD00031A, 2013. 107. Hannah Leverentz, Ilja Siepmann, Donald Truhlar, Ville Loukonen and Hanna Vehkam¨aki: Energetics of Atmospherically Implicated Clusters Made of Sulfuric Acid, Ammonia, and Dimethyl Amine.. Journal of Physical Chemistry A, Vol 117 (18), pp 3819-3825, 2013.

List of publications Hanna Vehkam¨aki

9

106. Nicolai Bork, Theo Kurt´en and Hanna Vehkam¨aki: Exploring the atmospheric chemistry of O2 SO− 3 and assessing the maximum turnover number of ion catalysed H2 SO4 formation. Atmospheric Chemistry and Physics, Vol 13, pp 3695-3703, 2013. 105. Nicolai Bork, Ville Loukonen and Hanna Vehkam¨aki: Reactions and Reaction Rates of Atmospheric SO2 and O3 -(H2 O)n Collisions via Molecular Dynamics Simulations. Journal of Physical Chemistry A, Vol 117, pp 3143-3148, 2013. 104. Ismo Napari and Hanna Vehkam¨aki: On the similarity of equilibrium and critical clusters in atomic vapors Journal of Chemical Physics, Vol 138, 104504, 2013. 103. Markku Kulmala, Jenni Kontkanen, Heikki Junninen, Katrianne Lehtipalo, Hanna E. Manninen, Tuomo Nieminen, Tuukka Pet¨aj¨a, Mikko Sipil¨a, Siegfried Schobesberger, Pekka Rantala, Alessandro Franchin, Tuija Jokinen, Emma J¨arvinen, Mikko a¨ij¨al¨a, Juha Kangasluoma, Jani Hakala, Pasi P. Aalto, Pauli Paasonen, Jyri Mikkil¨a, Joonas Vanhanen, Juho Aalto, Hannele Hakola, Ulla Makkonen, Taina Ruuskanen, Roy L. Mauldin III, Jonathan Duplissy, Hanna Vehkam¨aki, Jaana B¨ack, Aki Kortelainen, Ilona Riipinen, Theo Kurten, Murray V. Johnston, James N. Smith, Mikael Ehn, Thomas. F. Mentel, Kari E.J. Lehtinen, Ari Laaksonen, Veli-Matti Kerminen, and Douglas R. Worsnop: Direct observations of atmospheric nucleation. Science, Vol 339, 943-946, 2013. 102. Pauli Paasonen, Tinja Olenius, Oona Kupiainen,Theo Kurt´en, Tuukka Pet¨aj¨a, Wolfram Birmili, Amar Hamed, Min Hu, L. Gregory Huey, Christian Plass-Duelmer, James N. Smith, Alfred Wiedensohler, Ville Loukonen, Matthew J. McGrath, Ismael K. Ortega, Ari Laaksonen, Hanna Vehkam¨aki, Veli-Matti Kerminen, and Markku Kulmala: On the formation of sulphuric acid - amine clusters in varying atmospheric conditions and its influence on atmospheric new particle formation. Atmospheric Chemistry and Physics, Vol 12, 9113-9133, 2012. 101. Hanna Vehkam¨aki and Ilona Riipinen: Thermodynamics and kinetics of atmospheric aerosol particle formation and growth. Chemical Society Reviews, Vol 41 (15), pp. 5160-517, 2012. 100. Mauritz Ryding, Kai Ruusuvuori, Patrik Andersson, Alexey Zatula, Matthew McGrath, Theo Kurt´en, Ismael Ortega Colomer, Hanna Vehkam¨aki and Einar Uggerud: Structural Rearrangements and Magic Numbers in Reactions between Pyridine-containing

List of publications Hanna Vehkam¨aki

10

Water Clusters and Ammonia. Journal of Physical Chemistry A, Vol 116 (20), pp. 4902-4908, 2012. 99. Oona Kupiainen, Ismael K. Ortega, Theo Kurt´en, and Hanna Vehkam¨aki: Amine substitution into sulfuric acid - ammonia clusters. Atmospheric Chemistry and Physics, Vol 12, pp. 3591-3599, 2012. 98. Hanna Vehkam¨aki, Matthew McGrath, Theo Kurt´en, Jan Julin, Kari E. J. Lehtinen, and Markku Kulmala: Rethinking the application of the first nucleation theorem to particle formation. Journal of Chemical Physics, Vol 136, 094107, 2012. 97. Matthew J. McGrath, Tinja Olenius, Ismael K. Ortega, Ville Loukonen, Pauli Paasonen, Theo Kurt´en, Markku Kulmala, and Hanna Vehkam¨aki: Atmospheric Cluster Dynamics Code: a flexible method for solution of the birth-death equations. Atmospheric Chemistry and Physics, Vol 12, pp. 2345-2355, 2012. 96. Paul M. Winkler, Aron Vrtala, Gerhard Steiner, Daniela Wimmer, Hanna Vehkam¨aki, Kari E. J. Lehtinen, Georg P. Reischl, Markku Kulmala and Paul E. Wagner: Quantitative characterization of critical nanoclusters nucleated on large single molecules. Physical Review Letters, Vol 108, 085701, 2012. 95. (a) Ismael K. Ortega, Oona Kupiainen, Theo Kurt´en, Tinja Olenius, Olli Wilkman, Matthew J. McGrath, Ville Loukonen, and Hanna Vehkam¨aki: From quantum chemical formation free energies to evaporation rates. Atmospheric Chemistry and Physics, Vol 12, pp. 225-235, 2012. (b) Ismael K. Ortega, Oona Kupiainen, Theo Kurt´en, Tinja Olenius, Olli Wilkman, Matthew J. McGrath, Ville Loukonen, and Hanna Vehkam¨aki: Corrigendum to ”From quantum chemical formation free energies to evaporation rates” published in Atmos. Chem. Phys., 12, 225–235 Atmospheric Chemistry and Physics, Vol 13, 3321-3327, 2013. 94. Tuukka Pet¨aj¨a, Mikko Sipil¨a, Pauli Paasonen, Tuomo Nieminen, Theo Kurt´en, Ismael K. Ortega, Frank Stratmann, Hanna Vehkam¨aki, Torsten Berndt and Markku Kulmala: Experimental observation of strongly bound dimers of sulphuric acid nu-

List of publications Hanna Vehkam¨aki

11

cleating in the atmosphere. Physical Review Letters Vol 106, 228302, 2011. 93. Martta Toivola,Theo Kurt´en, Ismael K. Ortega, Markku Sundberg, Agilio Padova, Hanna Vehkam¨aki: Quantum chemical studies on peroxodisulfuric acid - sulfuric acid- water clusters. Computational and Theoretical Chemistry, Vol 967, pp. 219225, 2011. 92. Kai Ruusuvuori, Theo Kurt´en, Ismael K. Ortega, Hanna Vehkam¨aki, Ville Loukonen, Martta Toivola, Markku Kulmala: Densityfunctional study of the sign preference of the binding of 1propanol to tungsten oxide seed particles. Computational and Theoretical Chemistry, Vol. 966, pp. 322327, 2011. 91. Theo Kurt´en, Tuukka Pet¨aj¨a, James Smith, Ismael Kenneth Ortega, Mikko Sipil¨a, Heikki Junninen, Mikael Ehn, Hanna Vehkam¨aki, Lee Mauldin, Douglas R. Worsnop, and Markku Kulmala: The effect of H2SO4 – amine clustering on chemical ionization mass spectrometry (CIMS) measurements of gasphase sulfuric acid. Atmos. Chem. Phys., Vol 11, pp. 3007-3019, DOI:10.5194/acp11-3007-2011, 2011. 90. Ulrich Uhrner, Sibylle von L¨owis, Michael Zallinger, Hanna Vehkam¨aki, Birgit Wehner, Frank Stratmann and Alfred Wiedensohler: Volatile nanoparticle formation and growth within a diluting diesel car exhaust. Journal of the Air & Waste Management Association, Vol. 61, pp. 399-408, 2011. 89. Ismael K. Ortega, Anni M¨a¨att¨anen, Theo Kurt´en and Hanna Vehkam¨aki: Carbon dioxide-water clusters in the atmosphere of Mars. Computational and Theoretical Chemistry, Vol 965, pp 353-358, 2011. 88. Veli-Matti Kerminen, Tuukka Pet¨aj¨a,Hanna E. Manninen, Pauli Paasonen, Tuomo J. Nieminen, Mikko Sipil¨a, Heikki Junninen, Mikael K. Ehn, Stephanie Gagne, Lauri Laakso, Ilona Riipinen, Hanna Vehkam¨aki, Theo Kurt´en, Ismael Ortega Colomer, Miikka Dal Maso and Markku Kulmala: Atmospheric nucleation: highlights of the EUCAARI project and future directions. Atmospheric Chemistry and Physics, Vol 10, pp. 10829-10848, 2010.

List of publications Hanna Vehkam¨aki

12

87. Ismo Napari, Jan Julin, and Hanna Vehkam¨aki: Performance of some nucleation theories with a non-sharp droplet-vapor interface. Journal of Chemical Physics, Vol 133, 154503, 2010. 86. Matthew McGrath, Julius Ghogomu, Narcisse Tsona, Ilja Siepmann, Bin Chen, Ismo Napari, and Hanna Vehkam¨aki: Vaporliquid nucleation of argon: Exploration of various intermolecular potentials. Journal of Chemical Physics, Vol 133, 084106, 2010. 85. Jan Julin, Ismo Napari, Joonas Merikanto, and Hanna Vehkam¨aki: A thermodynamically consistent determination of surface tension of small Lennard-Jones clusters from simulation and theory. Journal of Chemical Physics, Vol 133, 044704, 2010. 84. Mikael Ehn, Heikki Junninen, Tuukka Pet¨aj¨a, Theo Kurt´en, Veli-Matti Kerminen, Siegfried Schobesberger, Hanna E. Manninen, Ismael K. Ortega, Hanna Vehkam¨aki, Markku Kulmala, and Douglas R. Worsnop: Composition and temporal behavior of ambient ions in the boreal forest. Atmospheric Chemistry and Physics, Vol 10, pp. 8513-8530, 2010. 83. Ville Loukonen, Theo Kurt´en, Ismael K. Ortega, Hanna Vehkam¨aki, Agilio P´adua, Karine Sellegri, and Markku Kulmala: Enhancing effect of dimethylamine in sulfuric acid nucleation in the presence of water - a computational study. Atmospheric Chemistry and Physics, Vol 10, 4961-4974, 2010. 82. Theo Kurt´en, Chongai Kuang, Pedro G´omez, Peter H. McMurry, Hanna Vehkam¨aki, Ismael Ortega, Madis Noppel, and Markku Kulmala: The role of cluster energy nonaccommodation in atmospheric sulfuric acid nucleation. Journal of Chemical Physics 132, 024304, DOI:10.1063/1.3291213, 2010 . 81. Ismo Napari, Jan Julin and Hanna Vehkam¨aki: Cluster sizes in direct and indirect molecular dynamics simulations of nucleation. Journal of Chemical Physics, Vol 131, 244511, 2009. 80. Ismael K. Ortega, Tanja Suni, Tiia Gr o¨nholm, Micheal Boy, Hannele Hakola, Heidi Hellen, Tuomas Valmari, Hannu Arvela, Hanna Vehkam¨aki and Markku Kulmala: Is eucalyptol the cause of nocturnal events observed in Australia? Boreal Environment Research, Vol. 14, pp. 606-615, 2009.

List of publications Hanna Vehkam¨aki

13

79. Martta Toivola, Ismo Napari, Hanna Vehkam¨aki: Structure of water-sulfuric acid clusters from molecular dynamics simulations. Boreal Environment Research, Vol. 14, pp. 654-661, 2009. 78. Theo Kurt´en, Ismael K. Ortega and Hanna Vehkam¨aki: The sign preference in sulfuric acid nucleation Journal of Molecular Structure: THEOCHEM Vol. 901, pp. 169-173, 2009. 77. Anca I. Hienola,Hanna Vehkam¨aki, Ilona Riipinen and Markku. Kulmala: Homogeneous vs. heterogeneous nucleation in waterdicarboxylic acid systems Atmospheric Chemistry and Physics, Vol. 9, pp. 1873-1881, 2009. 76. Jarkko V. Niemi, Sanna Saarikoski, Minna Aurela, Heikki Tervahattu, Risto Hillamo, Douglas L. Westphal, P¨aivi Aarnio, Tarja Koskentalo, Ulla Makkonen, Hanna Vehkam¨aki, Markku Kulmala: Long-range transport episodes of fine particles in southern Finland during 1999-2007. Atmospheric Environment, Vol 43, pp. 1255-1264, 2009. 75. Martta Salonen, Theo Kurt´en, Hanna Vehkam¨aki, Torsten Berndt and Markku Kulmala: Computational investigation of the possible role of some intermediate products of SO2 oxidation in sulfuric acid - water nucleation. Atmospheric Research, Vol 91, pp. 47-52, 2009. 74. Jan Julin, Ismo Napari, Joonas Merikanto, and Hanna Vehkam¨aki: Equilibrium sizes and formation energies of small and large Lennard-Jones clusters from molecular dynamics. A consistent comparison to Monte Carlo simulations and density functional theories. Journal of Chemical Physics, Vol 129, 234506, 2008. 73. P¨aivi Aarnio, Jyrki Martikainen, Tareq Hussein, Ilkka Valkama, Hanna Vehkam¨aki, Larisa Sogacheva, Jari H¨ark¨onen, Ari Karppinen, Tarja Koskentalo, Jaakko Kukkonen and Markku Kulmala: Analysis and evaluation of selected PM10 pollution episodes in the Helsinki Metropolitan Area in 2002. Atmospheric Environment, Vol 42, pp. 3992-4005, 2008. 72. Theo Kurt´en, Ville Loukonen, Hanna Vehkam¨aki, and Markku Kulmala: Amines are likely to enhance neutral and ion-induced sulfuric acid-water nucleation in the atmosphere more effectively than ammonia. Atmos. Chem. Phys., Vol 8, pp. 4095-4103, 2008.

List of publications Hanna Vehkam¨aki

14

71. (a) Ismael K. Ortega, Theo Kurt´en, Hanna Vehkam¨aki, and Markku Kulmala: The role of ammonia in sulfuric acid ion induced nucleation. Atmos. Chem. Phys., Vol 8, pp. 2859-2867, 2008. (b) Ismael K. Ortega, Theo Kurt´en, Hanna Vehkam¨aki, and Markku Kulmala: Corrigendum to “The role of ammonia in sulfuric acid ion induced nucleation” published in Atmos. Chem. Phys., 8, 2859–2867, 2007. Atmospheric Chemistry and Physics, Vol 9, pp. 7431–7434, 2009. 70. Theo Kurt´en and Hanna Vehkam¨aki: Investigating atmospheric sulfuric acid - water - ammonia particle formation using quantum chemistry. Advances in Quantum Chemistry, Vol 55, pp. 407-427, 2008. 69. Paul M. Winkler, Gerhard Steiner, Aron Vrtala, Hanna Vehkam¨aki, Madis Noppel, Kari E. J. Lehtinen, Georg P. Reischl, Paul E. Wagner, and Markku Kulmala: Heterogeneous Nucleation Experiments Bridging the Scale from Molecular Ion Clusters to Nanoparticles. Science, Vol 319, pp. 1374-1377, 2008. 68. Mikko Lemmetty, Hanna Vehkam¨aki, Annele Virtanen, Markku Kulmala, and Jorma Keskinen: Homogeneous ternary H2 SO4 NH3 -H2 O nucleation and diesel exhaust: a classical approach. Aerosol and Air Quality Research 7, 489-499, 2007. 67. Anni M¨aa¨tt¨anen, Hanna Vehkam¨aki, Antti Lauri, Ismo Napari, and Markku Kulmala: Two-component heterogeneous nucleation kinetics and an application to Mars. Journal of Chemical Physics, Vol. 127, 134710, 2007. 66. Ulrich Uhrner, Sibylle von L¨owis, Hanna Vehkam¨aki, Birgit Wehner, Sylvia Br¨asel, Markus Hermann, Frank Stratmann, Markku Kulmala, Alfred Wiedensohler: Dilution and aerosol dynamics within a diesel car exhaust plume - CFD simulations of on-road measurement conditions. Atmospheric Environment Vol. 41, pp. 7440-7461, 2007. 65. Leena Torpo, Theo Kurt´en, Hanna Vehkam¨aki, Kari Laasonen, Markku Sundberg, and Markku Kulmala: Significance of Ammonia in growth of atmospheric nanoclusters. Journal of Physical Chemistry A, Vol. 111 (42), pp. 10671 -10674, 2007. 64. Theo Kurt´en, Madis Noppel, Hanna Vehkam¨aki, Martta Salonen, and Markku Kulmala: Quantum chemical studies of hy-

List of publications Hanna Vehkam¨aki

15

drate formation of H2 SO4 and HSO4 -. Boreal Environmental Research,Vol. 12, pp. 421-430, 2007. 63. Joonas Merikanto, Evgeni Zapadinsky, Antti Lauri, Ismo Napari, and Hanna Vehkam¨aki: Connection between the virial equation of state and physical clusters in a low density vapor. Journal of Chemical Physics, Vol. 127, 104303, 2007. 62. Jan Julin, Ismo Napari, and Hanna Vehkam¨aki: A comparative study on methododlogy in molecular dynamics simulation of nucleation. Journal of Chemical Physics, Vol. 126, 224517, 2007. 61. (a) Joonas Merikanto, Ismo Napari, and Hanna Vehkam¨aki: Tatu Anttila and Markku Kulmala: New parameterization of sulfuric acid-ammonia-water ternary nucleation rates at tropospheric conditions. Journal of Geophysical Research - Atmospheres, Vol. 112, D15207, 2007. (b) Joonas Merikanto, Ismo Napari, Hanna Vehkam¨aki, Tatu Anttila and Markku Kulmala: Correction to ’New parameterization of sulfuric acid-ammonia-water ternary nucleation rates at tropospheric conditions.’, Published in Journal of Geophysical Research - Atmospheres, Vol 112, D15207, 2007. Journal of Geophysical Research - Atmospheres, Vol 114, D09206, 2009. 60. Theo Kurt´en, Leena Torpo, Markku R. Sundberg, Veli-Matti Kerminen, Hanna Vehkam¨aki and Markku Kulmala: Estimating the NH3:H2SO4 ratio of nucleating clusters in atmospheric conditions using quantum chemical methods Atmospheric Chemistry and Physics, Vol. 7. pp. 2765-2773, 2007. 59. Hanna Vehkam¨a ki, Anni M¨a¨att¨anen, Antti Lauri, Markku Kulmala, Paul Winkler, Aron Vrtala, and Paul E. Wagner: Heterogeneous multicomponent nucleation theorems for the analysis of nanoclusters Journal of Chemical Physics, Vol. 126, 174707, 2007. 58. Theo Kurt´en, Boris Bonn, Hanna Vehkam¨aki and Markku Kulmala: A computational study of the reaction between biogenic stabilized Criegee intermediates and sulfuric acid. Journal of Physical Chemistry A, Vol.111(17), pp.3394-3401, 2007.

List of publications Hanna Vehkam¨aki

16

57. Joonas Merikanto, Evgeni Zapadinsky, Antti Lauri, and Hanna Vehkam¨aki: Origin of the failure of classical nucleation theory: incorrect desciption of the smallest clusters. Physical Review Letters, Vol. 98, 145702, 2007. 56. Martta Salonen, Ismo Napari and Hanna Vehkam¨aki: Molecular dynamics simulations of atomic clusters in equilibrium with vapour. Molecular Simulation, Vol. 33, pp. 245-251, 2007. 55. Markku Kulmala, Genrik Mordas, Tuukka Pet¨aj¨a, Tiia Gr¨onholm, Pasi P. Aalto, Hanna Vehkam¨aki, Anca I. Hienola, Erik Herrmann, Mikko Sipil¨a, Ilona Riipinen, Hanna Manninen, Kaarle H¨ameri, Frank Stratmann, Merete Bilde, Paul M. Winkler, Wolfram Birmili,and Paul E. Wagner: The Condensation Particle Counter Battery (CPCB): A New Tool to Investigate the Activation Properties of Nanoparticles. Journal of Aerosol Science, Vol. 38, pp. 289-304, 2007. 54. Anca I. Hienola, Paul M. Winkler, Paul E. Wagner, Hanna Vehkam¨aki, Antti Lauri, Ismo Napari, and Markku Kulmala: Estimation of line tension and contact angle from heterogeneous nucleation experimental data Journal of Chemical Physics, Vol. 126, 094705, 2007. 53. Hanna Vehkam¨aki, Anni M¨aa¨tt¨anen, Antti Lauri, Ismo Napari and Markku Kulmala: Technical note: The heterogenous Zeldovich factor Atmospheric Chemistry and Physics, Vol. 7., pp. 309-313, 2007. 52. Theo Kurt´en, Leena Torpo, Chang-Geng Ding, Hanna Vehkam¨aki, Markku R. Sundberg, Kari Laasonen and Markku Kulmala: A density functional study on water-sulfuric acid-ammonia clusters and implications for atmospheric cluster formation. Journal Geophysical Research - Atmospheres, Vol. 112, D04210, 2007. 51. Antti Lauri, Ilona Riipinen, Jukka A. Ketoja, Hanna Vehkam¨aki, and Markku Kulmala: Theoretical and experimental study on phase transitions and mass fluxes of supersaturated water vapor onto different insoluble flat surfaces. Langmuir, Vol. 22, 10061-10065, 2006. 50. Eija Vartiainen, Markku Kulmala, Taina M. Ruuskanen, Risto Taipale,Janne Rinne and Hanna Vehkam¨aki: Formation and growth of indoor air aerosol particles as a result of d-limonene oxidation. Atmospheric Environment, Vol. 40, 7882-7892, 2006.

List of publications Hanna Vehkam¨aki

17

49. Antti J. Lauri, Joonas Merikanto, Evgeni Zapadinsky and Hanna Vehkam¨aki: Comparison of Monte Carlo Simulation of Methods for the Calculation of the Nucleation Barrier of Argon. Atmospheric Research, Vol. 82, 489-502, 2006. 48. Johanna Lauros, Douglas Nilsson, Hanna Vehkam¨aki, Markku Kulmala: Atmospheric variability and binary homogeneous nucleation: A parametrisation and conditions required for a significant effect. Atmospheric Research, Vol. 82, 503-513 2006. 47. Ismo Napari, Risto Makkonen, Markku Kulmala and Hanna Vehkam¨aki: Parametrization of ammonia and water content of atmospheric droplets with fixed number of sulphuric acid molecules. Atmospheric Research, Vol. 82, 514-522, 2006. 46. Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki, and Markku Kulmala: Comparison between the classical theory predictions and molecular simulation results for heterogeneous nucleation of argon. Journal of Chemical Physics, Vol. 125, 164712, 2006. 45. Ismo Napari and Hanna Vehkam¨aki: A comparison of rigid and flexible water models in collisions of monomers and small clusters. Journal of Chemical Physics, Vol. 125, 094313, 2006. 44. Joonas Merikanto, Evgeni Zapadinsky, and Hanna Vehkam¨aki: Analysis of nucleation ability of cluster configurations with Monte Carlo simulations of argon. Journal of Chemical Physics, Vol. 125, 084503, 2006. 43. Jarkko Niemi, Sanna Saarikoski, Heikki Tervahattu, Timo M¨akel¨a, Risto Hillamo, Hanna Vehkam¨aki, Larisa Sogacheva and Markku Kulmala: Changes in background aerosol composition in Finland during polluted and clean periods studied by TEM/EDX individual particle analysis. Atmospheric Chemistry and Physics, Vol 6, pp. 5049-5066, 2006. 42. Theo Kurt´en, Markku R. Sundberg, Hanna Vehkam¨aki, Madis Noppel, Johanna Blomqvist and Markku Kulmala: Ab initio and density functional theory reinvestigation of gas-phase sulfuric acid monohydrate and ammonium hydrogen sulfate. Journal of Physical Chemistry A, Vol. 110, 7178-7188, 2006.

List of publications Hanna Vehkam¨aki

18

41. Ismo Napari and Hanna Vehkam¨aki: Post-collision relaxation of small atomic clusters. Journal of Chemical Physics, Vol. 124, 024303, 2006. 40. Anca I. Gaman, Ismo Napari, Paul M. Winkler, Hanna Vehkam¨aki, Paul E. Wagner, Reinhard Strey, Yrj¨’o Viisanen, Markku Kulmala: Homogeneous nucleation of n-nonane and n-propanol mixtures. A comparison of classical nucleation theory and experiments. Journal of Chemical Physics, Vol. 123, 244502, 2005 39. Tatu Anttila, Hanna Vehkam¨aki, Ismo Napari, Markku Kulmala: Effect of ammonium bisulphate formation on atmospheric water-sulphuric acid-ammonia nucleation. Boreal Environment Research, Volume 10, pp. 511-523, 2005. 38. Jarkko Niemi, Heikki Tervahattu, Hanna Vehkam¨aki, Jyrki Martikainen, Lauri Laakso, Markku Kulmala, P¨aivi Aarnio, Tarja Koskentalo, Markus Sillanp¨a¨a, Ulla Makkonen: Characterization of aerosol particle episodes in Finland caused by wildfires in Eastern Europe. Atmospheric Chemistry and Physics, Vol 5, pp. 2299-2310, 2005. 37. Heikki Tervahattu, Jyrki Juhanoja, Veronica Vaida, Adrian F. Tuck, Jarkko Niemi, Kaarle Kupiainen, Markku Kulmala, Hanna Vehkam¨aki: Fatty acids on continental sulfate aerosol particles. Journal Geophysical Research - Atmospheres, Vol. 110, D06207, 2005. 36. Anni M¨a¨att¨anen, Hanna Vehkam¨aki, Antti Lauri, Sini Merikallio, Janne Kauhanen, Hannun Savij¨arvi, and Markku Kulmala: Nucleation Studies in the Martian Atmosphere. Journal Geophysical Research - Planets, Vol. 110, E02002, 2005. 35. Hanna Vehkam¨aki, Miikka Dal Maso, Tareq Hussein, Robert Flanagan, Antti Hyv¨arinen, Johanna Lauros, Joonas Merikanto, Petteri M¨onkk¨onen, Mari Pihlatie, Kaisa Salminen, Larisa Sogacheva, Tea Thum, Taina Ruuskanen, Petri Keronen, Pasi ¨ P. Aalto, Pertti Hari, Kari E. J. Lehtinen, Ullar Rannik and Markku Kulmala: Atmospheric particle formation events at V¨arri¨o measurement station in Finnish Lapland 1998-2002. Atmospheric Chemistry and Physics, Vol 4, pp. 2015-2023, 2004. 34. Hanna Vehkam¨aki, Ismo Napari, Markku Kulmala and Madis Noppel: Stable ammonium bisulphate clusters in the atmo-

List of publications Hanna Vehkam¨aki

19

sphere. Physical Review Letters, Vol 93, article no 148501, 2004. 33. Jarkko V. Niemi, Heikki Tervahattu, Hanna Vehkam¨aki, Markku Kulmala, Tarja Koskentalo and Markus Sillanp¨a¨a: Characterization and source identification of a fine particle episode in Finland. Atmospheric Environment 38 pp. 5003-5012, 2004. 32. Ismo Napari and Hanna Vehkam¨aki: The role of dimers in evaporation of small argon clusters. Journal of Chemical Physics 121, pp. 819-822, 2004 31. Joonas Merikanto, Hanna Vehkam¨aki and Evgeni Zapadinsky: Monte Carlo simulations of critical cluster sizes and nucleation rates for water. Journal of Chemical Physics, 121, pp. 914-924 2004. 30. Ismo Napari, Hanna Vehkam¨aki and Kari E. Laasonen: Molecular dynamic simulations of atom-cluster collision processes. Journal of Chemical Physics, Volume 120, pp. 165-169, 2004. 29. Anca I. Gaman, Markku Kulmala, Hanna Vehkam¨aki, Ismo Napari, Mihaela Mircea, Maria C. Facchini and Ari Laaksonen: Binary homogeneous nucleation in water - succinic acid and water - glutaric acid systems. Journal of Chemical Physics, Volume 120, pp. 282-291, 2004. 28. Markku Kulmala, Hanna Vehkam¨aki, Tuukka Pet¨aj¨a, Miikka Dal Maso, Antti Lauri, Veli-Matti Kerminen, Wolfram Birmili, Peter H. McMurry: Formation and growth rates of ultrafine atmospheric particles: A review of observations. Journal of Aerosol Science, Vol 35, pp. 143-176, 2004. 27. Markku Kulmala, Michael Boy, Anca Gaman, Maarit Raivonen, Tanja Suni, Veijo Aaltonen, Heidi Adler, Tatu Anttila, Verena Fiedler, Tiia Gr¨onholm, Heidi Hellen, Erik Herrmann, Riina Jalonen, Minttu Jussila, Mika Komppula, Miriam Kosmale, Kristina Plauskaite, Raquel Reis, Niina Savola, Pirita Soini, Sini Virtanen, Pasi Aalto, Miikka Dal Maso, Hannele Hakola, Petri ¨ Keronen, Kari E. J. Lehtinen, Hanna Vehkam¨aki, Ullar Rannik, and Pertti Hari: Aerosols in Boreal Forest: Wintertime relations between formation events and bio-geo-chemical activity. Boreal Environmental Research Vol 9 pp. 63-74, 2004. 26. Theo Kurt´en, Markku Kulmala, Miikka Dal Maso, Tanja Suni, Anni Reissell, Hanna Vehkam¨aki, Pertti Hari, Ari Laaksonen,

List of publications Hanna Vehkam¨aki

20

Yrj¨o Viisanen and Timo Vesala: Estimation of different forestrelated contributions to the radiative balancing using observations in southern Finland. Boreal Environmental Research Vol 8, pp. 275-285, 2003. 25. Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: Reversible work of the formation of a layer of a new phase on a spherical charged conductor within a uniform multicomponent macroscopic mother phase. Journal of Chemical Physics, Vol. 119, pp. 10733-10744, 2003. 24. Hannele Korhonen, Ismo Napari, Claudia Timmreck, Hanna Vehkam¨aki, Liisa Pirjola, Kari E. J. Lehtinen, Antti Lauri and Markku Kulmala: Heterogeneous nucleation as a potential sulphate coating mechanism of atmospheric mineral dust particles and implications of coated dust on new particle formation. Journal of Geophysical Research - Atmospheres, Vol. 108, pp. 4546-4554, 10.1029/2003JD003553, 2003. ¨ 23. Lauri Laakso, Tiia Gr¨onholm, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fiedler and Markku Kulmala: Ultrafine particle scavenging coefficients calculated from six years field measurements. Atmospheric Environment, Vol. 37, pp. 3605-3613, 2003. 22. Hannele Korhonen, Kari E. J. Lehtinen, Liisa Pirjola, Ismo Napari, Hanna Vehkam¨aki, Madis Noppel and Markku Kulmala: Simulation of atmospheric nucleation mode: a comparison of nucleation models and size distribution representations. Journal of Geophysical Research - Atmospheres, Vol. 108, pp. 4471-4478, 2003. 21. Hanna Vehkam¨aki, Markku Kulmala, Kari E. J. Lehtinen and Madis Noppel: Modelling Binary Homogeneous Nucleation of Water-Sulphuric Acid Vapours: Parameterisation for High Temperature Emissions. Environmental Science & Technology, Vol 37(15), pp. 33923398, 2003. 20. Ismo Napari, Markku Kulmala, and Hanna Vehkam¨aki: Ternary nucleation of inorganic acids, ammonia, and water. Journal of Chemical Physics, Vol 117, pp. 8418-8425, 2002. 19. (a) Hanna Vehkam¨aki, Markku Kulmala, Ismo Napari, Kari E. J. Lehtinen, Claudia Timmreck, Madis Noppel and Ari Laaksonen: An improved parameterization for sulfuric acid - water nucleation rates for tropospheric and stratospheric

List of publications Hanna Vehkam¨aki

21

conditions. Journal of Geophysical Research - Atmospheres, Vol 107, pp. 4622-4631, 2002. (b) Hanna Vehkam¨aki, Markku Kulmala, Ismo Napari, Kari E. J. Lehtinen, Claudia Timmreck, Madis Noppel and Ari Laaksonen: Correction to ”An improved parameterization for sulfuric acid/water nucleation rates for tropospheric and stratospheric conditions” [Journal of Geophysical Research, Vol. 107. No. D22, 4622, 2002] Journal of Geophysical Research - Atmospheres, Vol 118, DOI: 10.1002/jgrd.50603, 2013. 18. Ismo Napari, Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: Parametrization of ternary nucleation rates for H2 SO4 NH3 -H2 O vapors. Journal of Geophysical Research - Atmospheres, Vol 107, pp. 4381-4386, 2002. 17. Ismo Napari, Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: An improved model for ternary nucleation of sulfuric acid - ammonia - water. Journal of Chemical Physics, Vol 116, pp. 4221-4227, 2002. 16. Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: An improved model for hydrate formation in sulfuric acid-water nucleation. Journal of Chemical Physics, Vol. 116, pp. 218-228, 2002. 15. Markku Kulmala, Antti Lauri, Hanna Vehkam¨aki, Ari Laaksonen, Denisa Petersen and Paul E. Wagner: Strange predictions by binary heterogeneous nucleation theory compared with a quantitative experiment. Journal of Physical Chemistry B, Vol. 105, 11800-11808, 2001. 14. Hanna Vehkam¨aki and Ian J. Ford: Excess energies of n- and i-octane molecular clusters. Journal of Chemical Physics, Vol. 114, pp.5509-5513, 2001. 13. Hanna Vehkam¨aki and Ian J. Ford: Analysis of water-ethanol nucleation rate data with two component nucleation theorems. Journal of Chemical Physics, Vol 113, pp.3261-3269, 2000. 12. Michael Knott, Hanna Vehkam¨aki and Ian J. Ford: Energetics of small n-pentanol clusters from droplet nucleation rate data. Journal of Chemical Physics, Vol. 112, pp.5393-5398, 2000.

List of publications Hanna Vehkam¨aki

22

11. Hanna Vehkam¨aki and Ian J. Ford: Critical cluster size and droplet nucleation rate from growth and decay simulations of Lennard-Jones clusters. Journal of Chemical Physics, Vol.112, pp. 4193-4202, 2000. 10. Ari Laaksonen, Robert McGraw and Hanna Vehkam¨aki: Liquiddrop formalism and free energy surfaces in binary homogeneous nucleation. Journal of Chemical Physics, Vol. 111, pp. 2019-2027, 1999. 9. Hanna Vehkam¨aki and Ian J. Ford: Nucleation theorems applied to the Ising model. Physical Review E, Vol. 59, pp.6483-6488, 1999. 8. Hanna Arstila, Pekka Korhonen, Markku Kulmala: Technical note: Ternary nucleation: Kinetics and application to waterammonia-hydrochloric acid system. Journal of Aerosol Science Vol. 30, pp. 131-138, 1999. 7. Hanna Arstila, Kari Laasonen, Ari Laaksonen: Ab initio study of gas-phase sulphuric acid hydrates containing 1 to 3 water molecules. Journal of Chemical Physics, Vol. 108, pp. 1031-1039, 1998. 6. Hanna Arstila: Kinetic effect of cluster-cluster processes on homogeneous nucleation rates in one- and two component systems. Journal of Chemical Physics, Vol. 107, pp. 3196-3203, 1997. 5. Hanna Arstila, Oleg Vasil’ev, Markku Kulmala: The role of the attractive potential of a droplet in unary and binary steadystate nucleation. Journal of Chemical Physics, Vol.107, pp. 544-549, 1997. 4. Timo Vesala, Hanna Arstila: Comment on ”Generalized Kelvin equation and the water content of a cloud”. Physical Review E, Vol. 54, pp. 5868-5869, 1996. 3. Alex Lushnikov, Markku Kulmala, Hanna Arstila, Evgeni Zapadinsky: Source Enhanced Condensation of a Single Component Vapor in the Transition Regime. Journal of Aerosol Science, Vol. 27, pp. 853-867, 1996. 2. Markku Kulmala, Hanna Vehkam¨aki, Timo Vesala, Jonathan Barrett, Charles Clement: Aerosol Formation in Diffusive Boundary Layer: Binary Homogeneous Nucleation of Ammonia and Water Vapours. Journal of Aerosol Science, Vol 26, pp. 547-558, 1995.

List of publications Hanna Vehkam¨aki

23

1. (a) Hanna Vehkam¨aki, Pentti Paatero, Markku Kulmala, Ari Laaksonen: Binary Nucleation Kinetics: A Matrix Method. Journal of Chemical Physics, Vol.101, pp. 9997-10002, 1994. (b) Hanna Arstila, Pentti Paatero, Markku Kulmala, Ari Laaksonen: Erratum: Binary Nucleation Kinetics: A Matrix Method. [Journal of Chemical Physics, Vol.101, pp. 999710002, 1994.] Journal of Chemical Physics, Vol 106, pp. 2987, 1997.

2

Konferenssi esiintymiset ja niihin liittyv¨ at julkaisut/Conference presentations and related publications

2.1

Invited presentations

15. ’Molecular clustering in the atmosphere’ COST MOLIM conference on Energy-Resolved Methods in Helsinki, August 2224.8.2016 14. ’Uncovering the secrets of atmospheric nanoparticles’ The 11th Informal Conference on Atmsopheric and Molecular Science, Helsingør, Denmark, 14.8.2014 13. ’Uncovering the secrets of atmospheric nanoparticles’ Laboratoire de m´et´eorologie dynamique (LMD), Universit´e Pierre et Marie Curie, Paris, France, 24.10.2013 12. ’Uncovering the secrets of atmospheric nanoparticles’ Laboratoire atmosph`eres, milieux, observations spatiales (LATMOS), Universit´e Versailles Saint Quentin, Paris, France, 22.10.2013 11. ’Investigating Atmospheric Particle Formation with the Atmospheric Cluster Dynamics Code’, University of Minnesota, USA, 1.3.2012 10. ’Uncovering the formation mechanism of atmospheric nanoparticles’ American Physical Society March meeting, Boston, USA, 27.2.2012 9. ’Investigating Atmospheric Particle Formation with Molecular Modelling Methods’ International Aerosol Modeling Algorithms (IAMA Conference) UC Davis Conference Center, USA, 30.11.2011

List of publications Hanna Vehkam¨aki

24

8. ’Uncovering the secrets of atmospheric nanoparticles’ 6th Nordic Women in Physics Workshop, Copenhagen, Denmark 30.9.2011 7. Plenary lecture ’Molecular modeling of atmospheric clusters’ International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010 6. ’The role of sulphuric acid in atmospheric particle formation’ presentation 1A.3 at 28th annual conference of American Association for Aerosol Research, Minneapolis, USA, 26.-30.10. 2009 5. ’Sulphuric acid containing clusters in the atmosphere’ at a workshop on Nucleation of inorganic atmospheric clusters and particles. Gothenburg University, Sweden 13.-15.8.2008. 4. ’Molecular simulations of Atmospheric Particle Formation’ at a seminar series at Copenhagen University, Denmark, 8.3.2007 3. ’Molecular simulations of Atmospheric Particle Formation’ at a seminar series at Gothenburg University, Sweden, 5.2.2007 2. Plenary lecture ’Molecular Modeling of Atmospheric Particle Formation’ at 16th International Conference for Nucleation and Atmospheric Aerosols, Kyoto, Japan 26.-30.7.2004 1. Plenary lecture ’Molecular simulations and atmospheric particle formation’ at IX Finnish National Aerosol Symposium, 10.12.3.2004, Helsinki-Stockholm-Helsinki (Report Series in Aerosol Science Vol. 67 pp. 151-156, 2004)

2.2

Oral conference presentations

25. Olli Pakarinen, Tuomo Ponkkonen, Hanna Vehkam¨aki:Atomistic modeling of heterogeneous nucleation of ice. Europe Aerosol Conference 2016, 4-9.9.2016,Tour, France. Oral (presented by H. Vehkam¨aki) 24. Hanna Vehkam¨aki: Understanding Arctic Ice Clouds Academy of Finland ARKTIKO Programme Annual Seminar, Helsinki, Finland, 10.-11.5.2016. Oral. 23. Hanna Vehkam¨aki, Matti Ala-Lahti, Nicolai Bork, Jonas Elm, Roope Halonen, Henning Henschel, Oona Kupiainen-M¨aa¨tt¨a, Theo Kurt´en, Ville Loukonen, Nanna Myllys, Tinja Olenius, Ismael Ortega, Olli Pakarinen, Tuomo Ponkkonen, Kai Ruusuvuori, And Narcisse Tsona: An overview of University of

List of publications Hanna Vehkam¨aki

25

Helsinki computational aerosol physics group activities in 20142015. Annual seminar of The Centre of Excellence in Atmospheric Science - From Molecular and Biological processes to The Global Climate, Kuopio 22.-24.9. 2015. Oral. 22. Hanna Vehkam¨aki, Jenni Kontkanen, Tinja Olenius, Katrianne Lehtipalo, and Markku Kulmala: Growth rates of atmospheric molecular clusters determined from cluster appearance times and collision–evaporation fluxes European Geosciences Union General Assembly 2015, Vienna, Austria ,12 – 17 April 2015. Oral. 21. Hanna Vehkam¨aki: Uncovering the secrets of atmospheric nanoparticles, The Eleventh Informal Conference on Atmospheric and Molecular Science, 14.8.2014 Helsingør, Denmark. Oral 20. Hanna Vehkam¨aki, Nicolai Bork, Henning Henschel, Oona KupiainenM¨a¨att¨a, Theo Kurt´en, Ville Loukonen, Tinja Olenius, Ismael Ortega, Kai Ruusuvuori, and Narcisse Tsona Tchinda: University of Helsinki Computational aerosol physics group activities in 2011-2013, Academy of Finland Center of Excellence ’Finnish Center of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Final Meeting, 23-25.9.2013 Lapland, Finland. Oral. 19. Hanna Vehkam¨aki: Overview of molecular modelling of atmospheric particle formation. Academy of Finland Center of Excellence ’Finnish Center of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Meeting, 19.-21.9.2012, Hyyti¨al¨a, Finland. Oral. 18. Hanna Vehkam¨aki, Matthew J. McGrath, Theo Kurten, Kari Lehtinen, Markku Kulmala: Rethinking the first nucleation theorem in atmospheric nucleation. The 2011 European Aerosol Conference, September 4-9, 2011. Oral. 17. Hanna Vehkam¨aki: Molecular modelling of atmospheric clusters. Academy of Finland Center of Excellence ’Finnish Center of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Meeting, Kuopio, Finland, 17.-19.5. 2010. Oral. 16. Vehkam¨aki H., Kurt´en T., Kuang C., McMurry P., Gomez P., Noppel M., Kulmala M.: Modeling the Kinetics of Atmospheric Sulfuric Acid - Water Nucleation. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral.

List of publications Hanna Vehkam¨aki

26

15. H. Vehkam¨aki, J. Merikanto, A. Lauri and E. Zapadinsky: Correction to the classical description of the smallest clusters. European Aerosol Conference 24.-29.8.2008 Thessaloniki, Greece. Oral. 14. H Vehkam¨aki, M Noppel, T Kurt´en, I Napari and M Kulmala: Sulphuric acid as a promoter of formation of new particles in the atmosphere: Theoretical approaches, 41. Annual Conference of the Finnish Physical Society, 15.-17.3.2007, Tallinn, Estonia. Proceedings Report Series in Physics Hu-P-267 pp. 360. Oral. 13. Joonas Merikanto, Hanna Vehkam¨aki and Evgeni Zapadinsky: Critical Cluster Size and Nucleation Rate of Water: Monte Carlo Simulations Compared to Experiments. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp.131-134. Oral (Vehkam¨aki). 12. Hanna Vehkam¨aki, Ismo Napari, Madis Moppel, Markku Kulmala Theory predicts stable ammonium bisulphate clusters in atmospheric conditions Conference proceedings of NOSA 2004 Aerosol Symposium, 11.-12.11.2004, Stockholm. Oral. 11. Hanna Vehkam¨aki, Joonas Merikanto and Evgeni Zapadinsky: Monte Carlo Simulation of Nucleation of Water. Conference proceedings of NOSA 2003 Aerosol Symposium, 13.-14.11.2003, Copenhagen, pp. 25-26. Oral. 10. Hanna Vehkam¨aki, Ismo Napari, Kari E. J. Lehtinen, Claudia Timmreck, Madis Noppel, Ari Laaksonen and Markku Kulmala: Parameterizations for binary and ternary nucleation. Abstracts of the Sixth International Aerosol Conference, September 8.13.2002, Taipei, Taiwan. pp. 179-180. Oral. 9. Hanna Vehkam¨aki and Ian J. Ford: Properties of small multicomponent clusters from nucleation rate measurements. in Proceedings of the XXXV Annual Conference of the Finnish Physical Society, 22.–24.3. 2001, Jyv¨askyl¨a, Finland. Department of Physics, University of Jyv¨askyl¨a Research Report No. 5/2001, pp.104. Oral. 8. Hanna Vehkam¨aki, Madis Noppel and Markku Kulmala: Reevaluation of parametrisations of sulphuric acid-water nucleation rates Journal of Aerosol Science Vol 32 Suppl. 1 pp.S1031, 2001. (Abstracts of the European Aerosol Conference 3.-7.9.2001, Leipzig, Germany) Oral.

List of publications Hanna Vehkam¨aki

27

7. Hanna Vehkam¨aki and Ian J. Ford: Nucleation rates of LennardJones clusters from growth and decay simulations. In proceedings of 15th International Conference on Nucleation and Atmospheric Aerosols, August 6-11, 2000, Rolla, Missouri USA. AIP Conference proceedings Volume 534, pp. 91. Oral. 6. Hanna Vehkam¨aki and Ian J. Ford: Nucleation theorems and excess energies for binary molecular clusters Journal of Aerosol Science Vol 31 Suppl. 1 pp.S254, 2000. (Abstract of the European Aerosol Conference 3.-8.9.2000, Dublin, Ireland) Oral. 5. Hanna Arstila, Kari E. Laasonen and Ari Laaksonen: Ab initio study of small sulphuric acid-water clusters. Paper 398 in Program and Abstract of the 72th Colloid and Surface Science symposium and Nucleation Symposium. The Pennsylvania State University, June 21-24, 1998. Oral. 4. Hanna Arstila and Ian J. Ford: Test of nucleation theorems using the Ising model. Paper 466 in Program and Abstract of the 72th Colloid and Surface Science symposium and Nucleation Symposium. The Pennsylvania State University, June 21-24, 1998. Oral. 3. Hanna Arstila, Kari E. Laasonen and Ari Laaksonen: Ab initio study of small sulphuric acid-water clusters. Journal of Aerosol Science Vol 29 Suppl. 1 pp.S537, 1998. (Abstracts of the International Aerosol Conference 14.-18.9.1998, Edinburgh, U. K.) Oral. 2. Hanna Arstila, Oleg V. Vasil’ev, Markku Kulmala: The effect of the attractive potential of a droplet on binary homogeneous nucleation. Report Series in Aerosol Science, Vol 31, pp. 44-48, 1997. (Abstracts of the sixth Finnish National Aerosol Symposium 15.-16.4.1997, Hyyti¨al¨a) Oral. 1. Hanna Vehkam¨aki, Pentti Paatero, Ari Laaksonen, Markku Kulmala: Binary nucleation kinetics: a matrix method. Paper 5 in Program and Abstracts of the 68th Colloid and Surface Science Symposium and Nucleation Symposium. Stanford University, Stanford, California, June 19 – 22, 1994. Oral.

2.3

Oral conference presentations as a co-author

111. J. Kontkanen, T. Olenius, H. Vehkam¨aki, K. Lehtipalo, K. E. J. Lehtinen, and M. Kulmala: Investigating the Growth of Atmospheric Molecular Clusters Using a Dynamic Cluster Model.

List of publications Hanna Vehkam¨aki

28

International Aaerosol Modeling Algotrithm(IAMA) 2015, December 9-11, 2015, UC Davis, California, USA. (presented by Ilona Riipinen). 110. Julin, J., Murphy, B. N., Olenius, T., Kupiainen-M¨a¨att¨a, O., Patoulias, D., Fountoukis, C., Vehkam¨aki, H., Pandis, S. N., and Riipinen, I.: Investigating the regional scale impacts of aminesulphuric acid nucleation. NOSA-FAAR Symposium Kuopio, 12–13 March 2015. Oral 109. O. H. Pakarinen, H. Vehkam¨aki: Role of lattice mismatch in heterogeneous nucleation of ice. ?Aerosol Technology Conference, 15 -17 June 2015 Tampere, Finland. Oral. 108. N. T. Tsona, H. Henschel, N. Bork, H. Vehkam¨aki: Hydration and mobility of bisulfate ion-sulfuric acid-ammonia/dimethyl amine clusters from computational studies. Aerosol Technology Conference, 15 -17 June 2015 Tampere, Finland. Oral. 107. O. H. Pakarinen and H. Vehkam¨aki: Atomistic modelling of heterogeneous nucleation of ice. FCoE (Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change) meeting, Helsinki, Finland, November 12-14, 2014. Oral. 106. O. H. Pakarinen and H. Vehkam¨aki: Atomistic modelling of heterogeneous nucleation of ice. CRAICC (Nordic Centre of Excellence) annual meeting, Stockholm, Sweden, October 2123, 2014. Oral. 105. Tinja Olenius, Oona Kupiainen-M¨a¨att¨a, and Hanna Vehkam¨aki: Critical cluster size cannot be determined by slope analysis. IAC (International Aerosol Conference) 2014, Busan, Korea, August 28-September 2, 2014. Oral. 104. Oona Kupiainen-M¨a¨att¨a, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Clustering with bases likely enhances sulfuric acid detection by CIMS. IAC (International Aerosol Conference) 2014, Busan, Korea, August 28-September 2, 2014. Oral. 103. Henning Henschel, Oona Kupiainen-M¨aa¨tt¨a, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Modelling of the Humidity Dependence of Particle Formation in the Sulphuric Acid/Amine System. FCoE (Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change) meeting, Helsinki, Finland, November 12-14, 2014. Oral.

List of publications Hanna Vehkam¨aki

29

102. Henning Henschel, Oona Kupiainen-M¨aa¨tt¨a, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Modelling of the Effect of Hydration on Particle Formation Rates in the Sulfuric Acid/Amine System. IAC (International Aerosol Conference) 2014, Busan, Korea, August 28-September 2, 2014. Oral. 101. Henning Henschel, Narcisse Tsona, Oona Kupiainen-M¨aa¨tt¨a, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Modeling the Effect of Hydration on Particle Formation Based on Electronic Structure Calculations. 18th Finnish-Estonian Air Ion and Aerosol Workshop, P¨ uhaj¨arve, Estonia, June 2-4, 2014. Oral. 100. Henning Henschel, Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Hydration of Sulfuric Acid Clusters and the Impact of Bases. The 2013 European Aerosol Conference, Prague, Czech Republic, September 1-6, 2013. Oral. 99. Tinja Olenius, Oona Kupiainen-M¨aa¨tt¨a, Ismael K. Ortega, Theo Kurt´en, and Hanna Vehkam¨aki: Free energy barrier in the growth of sulfuric acid clusters. The 2013 European Aerosol Conference, Prague, Czech Republic, September 1-6, 2013. Oral. 98. Tinja Olenius, Siegfried Schobesberger, Oona Kupiainen, Alessandro Franchin, Heikki Junninen, Ismael K. Ortega, Theo Kurt´en, Ville Loukonen, Douglas R. Worsnop, Markku Kulmala, and Hanna Vehkam¨aki: Comparing simulated and experimental molecular cluster distributions. Faraday Discussion 165, Leeds, UK, July 22-24, 2013. Oral. 97. Oona Kupiainen, Tinja Olenius and Hanna Vehkam¨aki: Experimental Setup Aects The Particle Formation Rate And Its Slope d(log J)/d(log C). 19th International Conference on Nucleation & Atmospheric Aerosols, Fort Collins, Colorado, USA, June 2428, 2013. Oral. 96. Theo Kurt´en, Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Ville Loukonen, Heidi Reiman, Matthew J. McGrath and Hanna Vehkam¨aki, Formation rates, stability and reactivity of sulfuric acid – amine clusters predicted by computational chemistry. European Geosciences Union (EGU) General Assembly, 7-12.4.2013. Oral. 95. Narcisse Tsona, Nicolai Bork and Hanna Vehkam¨aki: From GasPhase Oxidation of SO2 by SO4 - to the Formation of Sulfuric

List of publications Hanna Vehkam¨aki

30

Acid. 19th International Conference on Nucleation & Atmospheric Aerosols, Fort Collins, Colorado, USA, June 24-28, 2013. Oral. 94. Ville Loukonen, Nicolai Bork, and Hanna Vehkam¨aki: Firstprinciples molecular dynamics simulations of sulfuric acid)1(dimethylamine)1 cluster formation, 19th International Conference on Nucleation & Atmospheric Aerosols, Fort Collins, Colorado, USA, June 24-28, 2013. Oral. 93. Oona Kupiainen, Tinja Olenius, Ismael K. Ortega, Theo Kurt´en and Hanna Vehkam¨aki: Ion-induced vs. base-induced sulfuric acid cluster formation. FCoE (Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change) meeting, Hyyti¨al¨a Forestry Station, September 19-21, 2012. Oral. 92. Theo Kurt´en, Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Ville Loukonen, Heidi Reiman, Matthew J. McGrath, Hanna Vehkam¨aki, Computational chemistry of sulfuric acid – amine clusters, Atmospheric Chemical Mechanisms conference, Davis, CA, USA, 10-12.12.2012. Oral. 91. Theo Kurt´en, Hanna Vehkam¨aki: Modelling cluster evaporation in instruments. Some failed approaches. 3rd NICITA workshop in P¨ uhaj¨arve, Estonia, 25.-27.4.2012. Oral. 90. Theo Kurt´en, Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Ville Loukonen and Hanna Vehkam¨aki: Lewis bases as the unifying concept for ion-induced and neutral H2SO4 nucleation. Presentation at the European Aerosol Conference 2012, Granada, Spain, 2.9-7.9.2012. Oral. 89. Theo Kurt´en: Chemical insights into cluster formation. Invited presentation (as an external expert) at the CLOUD ITN open conference in K¨onigstein, Germany, 22.05.2012 - 24.05.2012. Oral. 88. Theo Kurt´en: Computational Chemistry of Condensing Vapors. Invited presentation at the University of Copenhagen, Denmark, 25.05.2012. 87. Tinja Olenius, Oona Kupiainen, Ismael K. Ortega, and Hanna Vehkam¨aki: Clustering pathways of sulfuric acid, ammonia and dimethylamine molecules. NOSA (Nordic Society for Aerosol Research) Aerosol Symposium 2012, Helsingør, Denmark, 1516 November, 2012.

List of publications Hanna Vehkam¨aki

31

86. Ville Loukonen: Modelling the Formation of Atmospheric Aerosol Particles: emphasis on the very initial steps: 10th Modelling seminar (Kymmenes mallinnusseminaari), Helsinki, Finland, 0203.02.2012. 85. Ville Loukonen, I-Feng W. Kuo, Matthew J. McGrath, and Hanna Vehkam¨aki: On the Stability and Dynamics of Atmospheric Pre-Nucleation Clusters, American Physical Society March meeting, Boston, USA, 27.02. - 02.03.2012. 84. Ville Loukonen, I-Feng W. Kuo, Matthew J. McGrath, and Hanna Vehkam¨aki: First-Principles Molecular Dynamics Simulations of (sulfuric acid)(ammonia/dimethylamine) Clusters, AAAR (American Association for Aerosol Research) 31st Annual Conference, Minneapolis, USA, 08. - 12.10.2012. 83. Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Matthew J. McGrath, Theo Kurt´en, Ville Loukonen, Markku Kulmala, and Hanna Vehkam¨aki: Dimethylamine-Sulfuric Acid Clustering Can Explain Observed Atmospheric New-Particle Formation, AAAR (American Association for Aerosol Research) 31st Annual Conference, Minneapolis, USA, 08. - 12.10.2012. 82. Ville Loukonen, I-Feng W. Kuo, M. J. McGrath, and Hanna Vehkam¨aki: On the Stability and Dynamics of (sulfuric acid)(ammonia/dimethylamine) Clusters, Workshop on Atmospheric Aerosol Formation and Early Growth, Hyyti¨al¨a Forestry Station, August 20-22, 2012. 81. Oona Kupiainen, Ismael K. Ortega, Theo Kurt´en and Hanna Vehkam¨aki: Amine substitution into sulfuric acid -ammonia clusters, 10th Informal Conference on Atmospheric and Molecular Science, June 9.-10., 2011. Oral. 80. Hanna Vehkam¨aki, Matthew J. McGrath, Jan Julin, Theo Kurten, Kari E. J. Lehtinen and Markku Kulmala: Rethinking the first nucleation theorem in atmospheric nucleation,, 85th ACS Colloid and Surface Science Symposium, June 19 -22, 2011. Oral, presented by Jan Julin. 79. Ismo Napari, Jan Julin and Hanna Vehkam¨aki: Performance of some nucleation theories with a non-sharp droplet-vapor interface, 85th ACS Colloid and Surface Science Symposium, June 19 -22, 2011. Oral, presented by Jan Julin. 78. Oona Kupiainen, Tinja Olenius, Ismael K. Ortega, Theo Kurt´en and Hanna Vehkam¨aki: Ammonia and amines in sulfuric acid

List of publications Hanna Vehkam¨aki

32

clusters,. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Oral. 77. Ismael K. Ortega, Matthew J. McGrath, Oona Kupiainen, Tinja Olenius, Theo Kurt´en, Markku Kulmala and Hanna Vehkam¨aki: ACDC model: a highway to nucleation. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Oral. 76. Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Matthew J. McGrath, Theo Kurt´en,P. Paasonen, S. Schobesberger, Markku Kulmala and Hanna Vehkam¨aki: Formation of sulfuric acid clusters containing base molecules. The 2011 European Aerosol Conference,September 4-9, 2011. Oral. 75. Theo Kurt´en, Matt McGrath, Ismael K. Ortega, Oona Kupiainen, Ville Loukonen, Hanna Vehkam¨aki: Using computational chemistry to calculate cluster evaporation rates. CLOUD open workshop, February 16-18, 2011. Oral. Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Matthew J. McGrath, Theo Kurt´en, Markku Kulmala and Hanna Vehkam¨aki: Comparing CLOUD results with quantum chemistry based cluster dynamic model ACDC, CLOUD data workshop, September 28-29, 2011. Oral. 74. I. K. Ortega, M. J. McGrath, J. Lepp¨a, P. Paasonen, T. Olenius, K. E. J. Lehtinen, V.-M. Kerminen,M. Kulmala and H. Vehkam¨aki: Simulating Atmospheric Ion Nucleation From the Nano to the Micro Scale,. LASTU seminar (Academy of Finland), April 6-8, 2011. Oral, presented by I.K. Ortega and J. Lepp¨a 73. I.K. Ortega, T. Kurt´en, O. Kupiainen, M.J. McGrath, T. Olenius, M. Kulmala and H. Vehkam¨aki: The use of computational chemistry in modeling the chemistry and physics of atmospheric nucleation and nucleation precursor gases, FCOE meeting, May 18-20,2011. Oral. 72. I.K. Ortega, O. Kupiainen, M. McGrath, T. Oleinus, T. Kurten, M. Kulmala, H. Vehkam¨aki: Combining quantum chemical calculations with cluster dynamics models to understand ion induced nucleation. Joint 2nd NICITA workshop and 15th FinnishEstonian air ion and atmospheric aerosol workshop, Hyyti¨al¨a, 23.-25.5.2011. Oral. 71. Kerminen, Veli-Matti, Pet¨aj¨a, Tuukka, Manninen, Hanna E., Paasonen, Pauli, Nieminen, Tuomo, Sipil¨a, Mikko, Gagn´e, St´ephanie, Laakso, Lauri, Vehkam¨aki, Hanna, Kurt´en, Theo, Ortega, Ismael K., Brus, David, Hyv¨arinen, Antti-Pekka, Lihavainen, Heikki,

List of publications Hanna Vehkam¨aki

33

Lepp¨a, Johannes, Mirme, Aadu, Mirme, Sander, H˜orrak, Urmas, Berndt, Torsten, Stratmann, Frank, Birmili, Wolfram, Wiedensohler, Alfred, Metzger, Axel, Baltensperger, Urs, Winkler, Paul M., Wagner, Paul E., Petzold, Andreas, Minikin, Andreas, Plass-D¨ ulmer, Christian, Kulmala, Markku: Atmospheric nucleation: Main findings made during the EUCAARI project. International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Oral. 70. Vrtala Aron, Winkler Paul M., Vehkam¨aki Hanna, Kulmala Markku, Wagner Paul E: Experimental determination of critical cluster sizes from heterogeneous nucleation measurements using strictly monodisperse seed ion molecules. International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Oral. 69. Kurt´en Theo, Vehkam¨aki Hanna, Pet¨aj¨a Tuukka, Ortega Ismael K., Ehn Mikael, Junninen Heikki, Worsnop Douglas, Kulmala Markku: Assessing the charging mechanism and charging probability in cluster experiments, International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Oral. 68. Worsnop Douglas, Ehn Mikael, Junninen Heikki, Schobesberger Siegfried, Franchin Alessandro, Dal Maso Miikka, Sipil¨a Mikko, Pet¨aj¨a Tuukka, Kurt’en Theo, Ortega Ismael K., Vehkam¨aki Hanna, Kulmala Markku: Understanding new particle formation through ion cluster dynamics, International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Oral. 67. Kulmala Markku, Kurt´en Theo,Vehkam¨aki Hanna, Pet¨aj¨a Tuukka, Ortega Ismael K., Ehn Mikael, Junninen Heikki, Nieminen Tuomo, Lehtipalo Katrianne, Riipinen Ilona, Manninen Hanna E., Paasonen Pauli, Sipil¨a Mikko, Wilkman Olli, Dal Maso Miikka, Worsnop Douglas, Kerminen Veli-Matti: Formation and growth of atmospheric aerosols: cluster evaporation, International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Oral. 66. Matthew J. McGrath, Pauli Paasonen, Tuomo Nieminen, Riikka Vaananen, Risto Karinkanta, I. Kenty Ortega, Theo Kurt´en, Olli Wilkman, Ville Loukonen, Hanna Vehkam¨aki, Markku Kulmala: Atmospheric cluster kinetics using information from quantum chemistry.14th Finnish-Estonian Air ion and Aerosol Workshop at P¨ uhaj¨arve, Estonia, 14.-16.6.2010. Oral. 65. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. Dimethylamine in sulfuric acid driven nucleation. 14th Finnish-Estonian Air ion and Aerosol Workshop at P¨ uhaj¨arve, Estonia, 14.-16.6.2010. Oral.

List of publications Hanna Vehkam¨aki

34

64. T. Kurt´en, H. Vehkam¨aki, T. Pet¨aj¨a, I. K. Ortega, M. Ehn, D. Worsnop, and M. Kulmala: Assessing the charging mechanism and charging probability in cluster experiments NOSA Aerosol Symposium 2009, Lund, 12-13 November 2009. Proceedings page 48. Oral. 63. I.K. Ortega, T. Suni, M. Boy, T. Gr¨onholm, M. Kulmala, H. Junninen, M. Ehn, D. Worsnop, H. Manninen, H. Vehkam¨aki1, H. Hakola, H. Hell´en2, T. Valmari and H. Arvela: Molecular mechanisms behind nocturnal new particle formation European Aerosol Conference 2009, Karlsruhe, Germany, 6.-11.9.2009, Abstract T032A03, Oral(Tuukka Pet¨aj¨a). 62. K. Ruusuvuori, T. Kurt´en, H. Vehkam¨aki, I.K. Ortega, M. Toivola, M. Kulmala: Modelling the sign preference in heterogeneous nucleation. Abstract at the 5th NorWiP Workshop in Helsinki, Finland, 26.-28.8.2009. Oral. 61. Toivola M., Kurt´en T., Berndt T., Ortega I. K., Loukonen V., Vehkam¨aki H., Kulmala M. : Quantum chemical studies on the nucleation and stability of sulfur-containing compounds. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 60. Ruusuvuori K., Kurt´en T., Vehkam¨aki H., Ortega I. K., Toivola M., Kulmala M.: Modelling the Sign Preference in Heterogeneous Nucleation. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 59. Kerminen V.-M., Lihavainen H., Brus D., Asmi E., Sipil¨a M., Manninen H., Kurt´en T., Vehkam¨aki H., Ortega I. K., Mirme A.: Nucleation Studies within the EUCAARI Project. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 58. Julin J., Napari I., Merikanto J., Vehkam¨aki H.: A Thermodynamically Consistent Determination of Surface Tension of Small Lennard-Jones Clusters from Simulation and Theory. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 57. Vrtala A., Winkler P., Vehkam¨aki H., Kulmala M., Wagner P.: Description of Heterogeneous Nucleation Using a Physically Consistent Heterogeneous Nucleation Probability Function (PCHNPF). Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral.

List of publications Hanna Vehkam¨aki

35

56. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. The role dimethylamine in sulfuric acid-water nucleation. Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 55. Ortega I. K., Suni T., Boy M., Gr¨onholm T., Kulmala M., Junninen H., Ehn M., Worsnop D., Manninen H., Vehkam¨aki H.: Molecular Mechanisms Behind Nocturnal New Particle Formation Abstract at the International Conference on Nucleation and Atmospheric Aerosols, Prague, Czech Republic, 10.-14.08.2009. Oral. 54. Kurt´en, T. C., Berndt, T., Toivola, M., Vehkam¨aki, H., Stratmann, F. and Kulmala, M.: Quantum chemical studies on HSO5 - related nucleation Proceedings of the European Geophysical Union General Assembly 2009, 19.4-22.4.2009, Vienna, Austria. Oral. 53. M. Salonen, T. Kurt´en, H. Vehkam¨aki and M. Kulmala: Quantum chemical calculations on nucleation of sulfur containing molecules. European Aerosol Conference 24.-29.8.2008 Thessaloniki, Greece. Oral. 52. P.M. Winkler, A. Vrtala, H. Vehkam¨aki, M. Kulmala and P.E. Wagner: Seed diameter and cluster size in heterogeneous nucleation processes. European Aerosol Conference 24.-29.8.2008 Thessaloniki, Greece. Oral 51. I.K. Ortega, T Suni, H Vehkam¨aki and M Kulmala: The role of Eucalyptol in new particle formation, EGU 2008, 14.-19.4.2008, Vienna, Austria. Oral. 50. Kurt´en, T. C., Ortega Colomer, I. K., Toivola, M., Loukonen, V., Vehkam¨aki, H., Kulmala, M.: Quantum chemical studies on atmospheric sulfuric acid nucleation Proceedings of the NOSA Aerosol Symposium 2007, Helsingør, Denmark, 8.-9.11.2007. pp.50-51. Oral. 49. A Lauri, E Zapadinsky, A I Hienola, H Vehkam¨aki and M Kulmala: A method to evaluate the line tension in heterogeneous nucleation by molecular Monte Carlo simulations, EAC 2007, 9.-14.9.2007, Salzburg, Austria. Oral. 48. J.Merikanto, A. Lauri, E. Zapadinsky, H. Vehkam¨aki: An insight into the failure of classical nucleation theory. 17th International Conference of Nucleation and Atmospheric Aerosols

List of publications Hanna Vehkam¨aki

36

ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 121125. Oral. 47. T. Kurt´en, L. Torpo, H. Vehkam¨aki, M. R.Sundberg, M. Salonen, M. Kulmala: Investigating the role of ammonia in atmospheric nucleation. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 52-56. Oral. 46. M. Sipil¨a, P. Aalto, H. Lihavainen, H. Vehkam¨aki, M. Ehn, T. Pet¨aj¨a, I. Riipinen, C.D. O’Dowd, M. Kulmala: Improving particle detection efficiency of a condensation particle counter by means of pulse height analysis. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 378-381. Oral. 45. L. Torpo, T. Kurt´en, H. Vehkam¨aki and M. Kulmala, The significant role of ammonia in atmospheric nanoclusters. Report Series in Aerosol Science No 83, 387-390, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Oral. 44. J.V. Niemi, S. Saarikoski, M. Aurela, H. Tervahattu, R. Hillamo, T. Luoto, P. Aarnio, T. Koskentalo, U. Makkonen, J. Martikainen, H. Vehkam¨aki, T. Hussein and M. Kulmala, Longrange transport episodes of fine aerosol particles in Southern Finland during 1999 - August 2006. Report Series in Aerosol Science No 83, 268-272,2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Oral. 43. T. Kurt´en, L. Torpo, B. Bonn, H. Vehkam¨aki and M. Kulmala: Recent quantum chemical results on atmospheric nucleation prosesses, Workshop on Formation and Growth of Atmospheric Aerosols, 8.-9.9.2006, St. Paul, Minnesota, USA. Invited presentation.

List of publications Hanna Vehkam¨aki

37

42. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, S. Merikallio, J. Kauhanen, H. Savij¨arvi and M. Kulmala: Particle formation (nucleation) in the Martian atmosphere, Fourth Mars Polar Science Conference, 2.-6.10.2006, Davos, Switzerland. Oral 41. Anca Hienola, Paul Winkler, Paul E. Wagner, Hanna Vehkam¨aki, Ismo Napari, Markku Kulmala: Heterogeneous nucleation of nnonane and n-propanol on silver particles: estimation of microscopic contact angle and line tension 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Oral. 40. Theo Kurt´en, Boris Bonn, Hanna Vehkam¨aki, Markku Kulmala Possible formation of nucleation precursors through the reaction of Criegee intermediates with sulfuric acid 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Oral. 39. A.I. Gaman, H. Vehkam¨aki, I. Napari, M. Kulmala, P. Winkler and P.E. Wagner: Estimation of line tension and contact angle from heterogeneous nucleation experimental data, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1626-1627. Oral. 38. P.M. Winkler, G. Steiner, G.P. Reischl, A. Vrtala, P.E. Wagner, A.I. Gaman, H. Vehkam¨aki and M. Kulmala: Observation of nucleation of organic vapours by nanoparticles already at particle sizes well below the Kelvin prediction, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1615-1616.Oral 37. E. Vartiainen, K. H¨ameri, M. Kulmala, T. Ruuskanen, R. Taipale, H. Vehkam¨aki: Formation of indoor air particles as a result of D-limonene oxidation, International Aerosol Conference, 10.15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1594. Oral 36. M. Salonen, I. Napari, H. Vehkam¨aki: Temperature control of small clusters in molecular dynamic simulations, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1064. Oral. 35. M. Kulmala, H. Vehkam¨aki, G. Mordas, T. Pet¨aj¨a, T. Gr¨onholm, L. Laakso, A. Hirsikko, P.P. Aalto, A. Gaman, I. Riipinen and K. H¨ameri: Formation and growth of atmospheric aerosol particles, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1611-1612. Oral.

List of publications Hanna Vehkam¨aki

38

34. T. Kurt´en, M.R. Sundberg, L. Torpo, H. Vehkam¨aki and M. Kulmala, Ab initio and QTAIM calculations on sulfuric acid hydrates and ammonium bisulfate, Proc. of the NOSA Aerosol Symposium, G¨oteborg, Sweden, 3-4 November 2005, G¨oteborg Atmospheric Science Centre - GAC 2005. Oral 33. Jarkko V. Niemi, Heikki Tervahattu, Sanna Saarikoski, Timo M¨akel¨a, Risto Hillamo, Hanna Vehkam¨aki, Larisa Sogacheva and Markku Kulmala: Changes in Background Aerosol Composition during Polluted and Clean Periods Studied by TEM/EDX Analysis, NOSA Aerosol Symposium, 3.-4.11.2005, G¨oteborg, Sweden. Oral. 32. Hanna Vehkam¨aki, Antti Lauri, Anni M¨aa¨tt¨anen and Markku Kulmala: Nucleation theorems for heterogeneous nucleation, European Aerosol Conference 2005, 28.8.-2.9.2005, Ghent, Belgium. Oral. 31. Ismo Napari, Hanna Vehkam¨aki and Markku Kulmala: Parameterizations of water-sulfuric acid-ammonia droplets in atmospheric conditions. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S1255-S1256. Oral. 30. Miikka Dal Maso, Hanna Vehkam¨aki, Kari E. J. Lehtinen and Markku Kulmala: Non-steady-state binary water-sulphuric acid nucleation model. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S1199-S1200.Oral. 29. Joonas Merikanto, Evgeni Zapadinsky and Hanna Vehkam¨aki: Simulations of argon clusters: variation of growth and decay probabilities with intrincic cluster properties. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S835S836. Oral. 28. Joonas Merikanto, Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki: Comparison of two Monte Carlo nucleation simulation methods. Abstracts of the European Aerosol Conference 2004, pp. S765S766. Oral (Merikanto and Lauri) 27. Eija Vartiainen, Kaarle H¨ameri, Kari Kuuspalo, Aino Nevalainen, Mika Toivola, Hanna Vehkam¨aki: Comparison of particle size distributions indoors and outdoors measured in amould damage and in a reference building. Abstracts of the European Aerosol Conference 2004 6.-10.9. 2004 Budapest, pp. S739-S740. Oral. 26. Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki, Paul E. Wagner, Markku Kulmala: New statistical mechanical formulation of heterogeneous nucleation. Abstracts of the European

List of publications Hanna Vehkam¨aki

39

Aerosol Conference 6.-10.9. 2004 Budapest, pp. S109-S110. Oral 25. Ismo Napari and Hanna Vehkam¨aki: Dimer Evaporation of Lennard-Jones Clusters. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp.227-230. Oral 24. Joonas Merikanto, Evgeni Zapadinsky, Hanna Vehkam¨aki and Antti Lauri: Connection between Intrinsic Cluster Properties and the Stability of Argon Clusters. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp. 231-234. Oral (Zapadinsky). 23. Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki and Markku Kulmala: A Novel Statistical Mechanical Approach on Heterogeneous Nucleation. Comparison with the Classical Theory. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp. 36-39. Oral. 22. Miikka Dal Maso, Hanna Vehkam¨aki, Kari E. J. Lehtinen and Markku Kulmala: A Non-Steady State Binary Water-Sulfuric Acid Nucleation Model. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp. 32-35. Oral. 21. Eija Vartiainen, Kaarle H¨ameri, Kari Kuuspalo, Aino Nevalainen, Mika Toivola and Hanna Vehkam¨aki: Measurements of particle size distribution in a mould damage house Report Series in Aerosol Science Vol. 67 pp. 162-164, 2004. (Abstracts of IX Finnish National Aerosol Symposium, 10.-12.3.2004, HelsinkiStockholm-Helsinki ) Oral. 20. Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki and Markku Kulmala: Molecular aspects on heterogeneous nucleation Report Series in Aerosol Science Vol. 67 pp. 125-130, 2004. (Abstracts of IX Finnish National Aerosol Symposium, 10.12.3.2004, Helsinki-Stockholm-Helsinki) Oral. 19. Ismo Napari and Hanna Vehkam¨aki: Evaporation properties of small argon clusters from molecular dynamics Report Series in Aerosol Science Vol. 67 pp. 122-124, 2004. (Abstracts of IX Finnish National Aerosol Symposium, 10.-12.3.2004, HelsinkiStockholm-Helsinki) Oral.

List of publications Hanna Vehkam¨aki

40

18. Markku Kulmala, Ismo Napari, Joonas Merikanto, Hanna Vehkam¨aki, Lauri Laakso, Kari E. J. Lehtinen, Madis Noppel and Ari Laaksonen: Homogeneous and ion induced nucleation: kinetic and thermodynamic nucleation regimes Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S1393-S1394. Oral. 17. Antti Lauri, Evgeni Zapadinsky, Paul E. Wagner, Markku Kulmala and Hanna Vehkam¨aki: Monte Carlo simulations on heterogeneous nucleation. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S1075-S1076. Oral. 16. Anca I. Gaman, Hanna Vehkam¨aki, Ismo Napari, Ari Laaksonen and Markku Kulmala: On the formation of secondary organic aerosols: binary and ternary nucleation. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.5.9.2003 Madrid, pp. S1073-S1074. Oral. 15. Markku Kulmala, Douglas Nilsson, Ari Laaksonen, Kari E. Lehtinen, Ismo Napari, Hanna Vehkam¨aki, Tatu Anttila, Veli- Matti Kerminen and Yrj¨o Viisanen: Formation and growth of nucleation mode particles, Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp. 5-8. Oral. 14. Johanna Lauros, Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of atmospheric variability on nucleation rate: a parameterization, BACCI Workshop on Modeling and Parametrization, 6.-7.5.2003, Oslo, pp. 28. Oral. 13. Douglas Nilsson, Johanna Lauros, Hanna Vehkam¨aki, A. Ekman, Markku Kulmala: Parameterization of aerosol nucleation driven by processes on the sub grid scale of large scale models, Proceedings of BACCI Workshop on Modeling and Parametrization, 6.-7.5.2003, Oslo, pp. 27. Oral. 12. Ismo Napari, Hanna Vehkam¨aki and Kari Laasonen: Molecular dynamics simulations of molecule-cluster collision processes. in Proceedings of the XXXVII Annual Conference of the Finnish Physical Society, 20.–22.3. 2003, Helsinki, Finland. University of Helsinki, Report Series in Physics HU-P-265, pp.391. Oral. 11. Miikka Dal Maso, Markku Kulmala, Kari E. J. Lehtinen, Pasi P. Aalto and Hanna Vehkam¨aki: On the analysis of nucleation events in Hyyti¨al¨a and V¨arri¨o in 1999. Report Series in Aerosol Science, Vol 58, pp. 9–14, 2002. (Abstracts of Symposium

List of publications Hanna Vehkam¨aki

41

on Atmospheric Aerosols and Trace Gas Exchange 31.10.2002 Helsinki). Oral. 10. Anca Gaman, Hanna Vehkam¨aki, Ismo Napari, Ari Laaksonen and Markku Kulmala: Aerosol formation from binary homogeneous nucleation of water- C4/C5 dicarboxylic acids. Report Series in Aerosol Science, Vol 58, pp. 4–8, 2002. (Abstracts of Symposium on Atmospheric Aerosols and Trace Gas Exchange 31.10.2002, Helsinki). Oral. 9. Joonas Merikanto, Hanna Vehkam¨aki and Evgeni Zapadinsky: Critical cluster size and nucleation rate of water: A Monte Carlo simulation Report Series in Aerosol Science, Vol 56, pp. 115– 116, 2002. (Abstracts of Czech-Finnish Aerosol Symposium, 23.-26.5.2002, Prague). Oral. 8. Hannele Korhonen, Ismo Napari, Hanna Vehkam¨aki, Antti Lauri and Markku Kulmala: Modelling the effect of soluble coated mineral dust particles on atmospheric nucleation events. Report Series in Aerosol Science, Vol 56, pp. 85–87, 2002. (Abstracts of Czech-Finnish Aerosol Symposium, 23.-26.5.2002, Prague) Oral. 7. Anca Gaman, Markku Kulmala, Hanna Vehkam¨aki, Ari Laaksonen, Mihaiela Mircea and Maria Cristina Facchini: Binary homogeneous nucleation of water-succinic acid vapours: model calculation Report Series in Aerosol Science, Vol 56, pp. 35–38, 2002. (Abstracts of Czech-Finnish Aerosol Symposium, 23.26.5.2002, Prague) Oral. 6. Madis Noppel, Hanna Vehkam¨aki, Markku Kulmala and Ismo Napari: Binary nucleation of sulfuric acid and water vapors: effect of hydration. Report Series in Aerosol Science, Vol 54, pp. 13–16, 2001. (Abstracts of the VIII Finnish National Aerosol Symposium, Helsinki 20.-21.8.2001) Oral. 5. Antti Lauri, Markku Kulmala, Hanna Vehkam¨aki, Ari Laaksonen, Denisa Petersen and Paul E. Wagner: Theoretical calculations and an experiment on binary heterogeneous nucleation. Report Series in Aerosol Science, Vol 54, pp. 9–12, 2001.(Abstracts of the VIII Finnish National Aerosol Symposium, Helsinki 20.-21.8.2001) Oral. 4. Ian J. Ford, Hanna Vehkam¨aki and Michael Knott. Cluster energetics: Models and data. In proceedings of 15th International Conference on Nucleation and Atmospheric Aerosols, August 6-11, 2000, Rolla, Missouri USA. AIP Conference proceedings Volume 534, pp. 213. Oral.

List of publications Hanna Vehkam¨aki

42

3. Markku Kulmala, Pekka Korhonen, Hanna Arstila, Ari Laaksonen, John H. Seinfeld: Ternary homogeneous nucleation of water-ammonia-sulfuric acid vapors. Paper 316 in Program and Abstract of the 72th Colloid and Surface Science symposium and Nucleation Symposium. The Pennsylvania State University, June 21-24, 1998. Oral. 2. Ian J. Ford and Hanna Arstila: Critical clusters and droplet nucleation rates using Monte Carlo simulation and the second nucleation theorem. Journal of Aerosol Science Vol 29 Suppl. 1 pp.S41, 1998. (Abstracts of the Internatinal Aerosol Conference 14.-18.9.1998, Edinburgh, U. K.). Oral. 1. M. Kulmala, A. Laaksonen, P. Korhonen, T. Vesala, T. Ahonen, P. Aalto, J.M. M¨akel¨a, K. H¨ameri, H. Vehkam¨aki: Activation and growth of cloud condensation nuclei by binary nucleation and condensation processes. In Proceedings of the XXVII Annual Conference of the Finnish Physical Society, 18.–20.3. 1993, Turku, Finland. Report Turku-SFL-R5 (17.3). Oral.

2.4

Poster presentations

154. A simulation-based method for determining collision and evaporation rates from measured cluster distributions O. KupiainenM¨a¨att¨a, H. Vehkam¨aki. Aerosol Technology Conference, 15 -17 June 2015 Tampere, Finland. Poster. 153. Henschel, H., Kupiainen-M¨a¨att¨a, O., Olenius, T., Kurt´en, T., and Vehkam¨aki, H.: The effect of hydration on particle formation rates in the sulfuric acid/amine system derived from quantum chemistry. NOSA-FAAR Symposium Kuopio, 12–13 March 2015. Poster 152. Kontkanen, J., Olenius, T., Lehtipalo, K., Vehkam¨aki, H., and Kulmala, M.: Investigating the growth of atmospheric molecular clusters based on appearance times and collision-evaporation fluxes. NOSA-FAAR Symposium Kuopio, 12–13 March 2015. Poster 151. M¨aa¨tt¨anen, A., Julin, J., Merikanto, J., Ortega, I. K., and Vehkam¨aki, H.: Improved parameterization for H2SO4 - H2O nucleation NOSA-FAAR Symposium Kuopio, 12–13 March 2015. Poster 150. Pakarinen, O. H., and Vehkam¨aki, H.: Modelling heterogeneous nucleation of ice. NOSA-FAAR Symposium Kuopio, 12–13 March 2015. Poster

List of publications Hanna Vehkam¨aki

43

149. Tinja Olenius, Lauri Halonen, Henning Henschel, Oona KupiainenM¨a¨att¨a, Theo Kurt´en, Kari Lehtinen, and Hanna Vehkam¨aki: From vapor molecules to atmospheric aerosol particles: insights from the ComQuaCC project. Academy of Finland Annual Seminar of Computational Science Research Programme (Lastu), Helsinki, Finland, December 9, 2014. 148. Tinja Olenius, Ilona Riipinen, Katrianne Lehtipalo, and Hanna Vehkam¨aki: Growth of small atmospheric clusters: a comparison of growth rates based on cluster appearance times and collision–evaporation fluxes. FCoE (Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change) meeting, Helsinki, Finland, November 12-14, 2014. 147. Olli H. Pakarinen and H. Vehkam¨aki: Atomistic modeling of heterogeneous nucleation of ice. Swedish Theoretical Chemistry Meeting, Uppsala, Sweden, October 27-29, 2014. 146. Tinja Olenius, Ilona Riipinen, Katrianne Lehtipalo, and Hanna Vehkam¨aki: Growth of small molecular clusters: comparison of growth rates determined from cluster appearance times and collision–evaporation fluxes. AAAR (American Association for Aerosol Research) 33rd Annual Conference, Orlando, Florida, USA, October 20-24, 2014. 145. Henning Henschel, Ismael K. Ortega, Oona Kupiainen, Tinja Olenius, Theo Kurt´en, and Hanna Vehkam¨aki: Hydration of Pure and Basecontaining Sulfuric Acid Clusters Studied by Computational Chemistry Methods. 19th International Conference on Nucleation & Atmospheric Aerosols, Fort Collins, Colorado, USA, June 24-28, 2013. 144. Tinja Olenius, Oona Kupiainen, Ismael K. Ortega, Theo Kurt´en, and Hanna Vehkam¨aki: Is There an Energy Barrier in the Growth of Sulfuric Acid Clusters? 19th International Conference on Nucleation & Atmospheric Aerosols, Fort Collins, Colorado, USA, June 24-28, 2013. 143. Oona Kupiainen, Tinja Olenius, Ismael K. Ortega, Theo Kurt´en and Hanna Vehkam¨aki: Ion-induced vs. base-induced sulfuric acid nucleation. European Aerosol Conference, Granada, September 2-7, 2012. 142. Oona Kupiainen, Tinja Olenius, Ismael K. Ortega and Hanna Vehkam¨aki: Simulating cluster formation in CLOUD. Workshop on Atmospheric Aerosol Formation and Early Growth, Hyyti¨al¨a Forestry Station, August 20-22, 2012.

List of publications Hanna Vehkam¨aki

44

141. Narcisse Tsona, Nicolai Bork and Hanna Vehkam¨aki: Oxidation of SO2 by O2 -(H2O)n clusters in the Gas-Phase - a Density Functional Theory Study. European Aerosol Conference 2012, Granada, Spain, 2.9-7.9.2012. 140. Narcisse Tsona, Nicolai Bork and Hanna Vehkam¨aki: Structures and Thermodynamics of the Gas-Phase Reaction between SO2 and O2 -(H2O)0-5 Clusters. NOSA Symposium, Helsingor, Denmark, 15.11-16.11.2012. 139. Tinja Olenius, Oona Kupiainen, Ismael K. Ortega, Theo Kurt´en, Siegfried Schobesberger, and Hanna Vehkam¨aki: Comparing simulated and experimental molecular cluster distributions. European Aerosol Conference, Granada, September 2-7, 2012. 138. Tinja Olenius, Oona Kupiainen, Ismael K. Ortega, and Hanna Vehkam¨aki: Clustering pathways of sulfuric acid, ammonia and dimethylamine molecules. Workshop on Atmospheric Aerosol Formation and Early Growth, Hyyti¨al¨a Forestry Station, August 20-22, 2012. 137. Ville Loukonen, I-Feng W. Kuo, M. J. McGrath, and Hanna Vehkam¨aki: Ab initio molecular dynamics study of sulfuric acid clusters with ammonia/dimethylamine. European Aerosol Conference 2012, Granada, Spain, 2.9-7.9.2012. 136. Ville Loukonen, I-Feng W. Kuo, M. J. McGrath, and Hanna Vehkam¨aki: Electric dipole moments of atmospheric pre-nucleation clusters. FCoE (Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change) meeting, Hyyti¨al¨a Forestry Station, September 19-21, 2012. 135. Kai Ruusuvuori, Theo Kurt´en, Matthew J. McGrath, Ismael K. Ortega, Hanna Vehkam¨aki and Markku Kulmala: Stability of Clusters Containing Water, Pyridine and Ammonia, 10th Informal Conference on Atmospheric and Molecular Science, June 9.-10., 2011. Poster. 134. Guram Chkonia, Jan Julin, Judith W¨olk, Ismo Napari, Hanna Vehkam¨aki and Reinhard Strey: Nanoscopic heterogeneous nucleation events on curved surfaces. 85th ACS Colloid and Surface Science Symposium, June 19 -22, 2011. Poster. 133. Kai Ruusuvuori, Theo Kurt´en, Matthew J. McGrath, Ismael K. Ortega, Hanna Vehkam¨aki and Markku Kulmala: Stability of Clusters Containing Water, Pyridine and Ammonia,. European

List of publications Hanna Vehkam¨aki

45

Seminar on Computational Methods in Quantum Chemistry, June 16.-19., 2011. Poster. 132. Kai Ruusuvuori, Theo Kurt´en, Matthew J. McGrath, Ismael K. Ortega, Hanna Vehkam¨aki and Markku Kulmala: Stability of Clusters Containing Water, Pyridine and Ammonia. Finnish Center of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop, May 18.-20., 2011. Poster. 131. Ville Loukonen, I-Feng W. Kuo, Matthew J. McGrath and Hanna Vehkam¨aki: On the Stability and Dynamics of Pre-Nucleation Clusters,. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Poster. 130. Theo Kurt´en, Ismael. K. Ortega, Oona Kupiainen, Tinja Olenius, Ville Loukonen and Hanna Vehkam¨aki: Lewis bases as the unifying concept for ion-induced and neutral H2SO4 nucleation, NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Poster. 129. Tinja Olenius, Ismael K. Ortega, Oona Kupiainen, Matthew J. McGrath, Theo Kurt´en, Markku Kulmala and Hanna Vehkam¨aki: Modeling distributions of molecular clusters relevant to CLOUD experiment. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Poster. 128. Kai Ruusuvuori, Theo Kurt´en, Matthew J. McGrath, Ismael K. Ortega and Hanna Vehkam¨aki: Stability of Clusters Containing Water, Pyridine and Ammonia. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Poster. 127. Ville Loukonen and Hanna Vehkam¨aki: Contact angle, seed particle radius and the onset of heterogeneous nucleation. NOSA & FAAR Aerosol Symposium 2011, November 9-11, 2011. Poster. 126. M. J. McGrath, I. K. Ortega, P. Paasonen, T. Olenius, K. E. J. Lehtinen, M. Kulmala, and H. Vehkam¨aki: Simulation of Small Ion Aerosol Dynamics. The 2011 European Aerosol Conference, September 4-9, 2011. Poster. 125. Oona Kupiainen, Ismael K. Ortega, Pauli Paasonen, Ville Loukonen, Hanna Vehkam¨aki and Markku Kulmala: Ammonia and amines in atmospheric particle formation. Physics Days 2011, March 29–31, 2011. Poster.

List of publications Hanna Vehkam¨aki

46

124. Ismael K. Ortega, Theo Kurt´en, Oona Kupiainen, Hanna Vehkam¨aki and Markku Kulmala: Using quantum mechanics to improve our knowledge about climate change,. Physics Days 2011, March 29–31, 2011. Poster 123. Oona Kupiainen, Ismael K. Ortega, Pauli Paasonen, Ville Loukonen, Theo Kurt´en, Hanna Vehkam¨aki and Markku Kulmala: Ammonia and amines in atmospheric particle formation. LASTU seminar (Academy of Finland), April 6-8, 2011. Poster 122. Oona Kupiainen, Ismael K. Ortega, Pauli Paasonen, Ville Loukonen, Theo Kurt´en, Hanna Vehkam¨aki and Markku Kulmala: Ammonia and amines in atmospheric particle formation,. LASTU seminar (Academy of Finland), April 6-8, 2011. Poster 121. McGrath Matthew J., Kurt´en Theo, Vehkam¨aki Hanna: Atmospheric Nucleation Rates Predicted from Hybrid Quantum Mechanical/Classical Data, International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Poster . 120. Ortega Ismael K., Kurt´en Theo, Vehkam¨aki Hanna, Loukonen Ville, Ruusuvuori Kai, Toivola Martta, Kulmala Markku: Quantum chemistry applied to atmospherically relevant systems, International Aerosol Conference, Helsinki, Finland, 29.83.9.2010. Poster. 119. Jan Julin, Ismo Napari, and Hanna Vehkam¨aki: Sizes of Critical and Equilibrium Clusters from Molecular Dynamics Simulations. International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Poster. 118. Matthew J. McGrath, Ville Loukonen, Ismael K. Ortega, Theo Kurt´en, and Hanna Vehkam¨aki. ‘Atmospheric nucleation rates predicted from hybrid quantum mechanical/classical data,’ International Aerosol Conference, Helsinki, Finland, 29.8-3.9.2010. Poster. 117. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. Enhancing effect of dimethylamine in sulfuric acid-water nucleation. 1st NICITA network workshop, Uppsala, Sweden 14.-16.4.2010. Poster. 116. Matthew J. McGrath, Pauli Paasonen, Tuomo Nieminen, Riikka Vaananen, Risto Karinkanta, I. Kenty Ortega, Theo Kurt´en, Olli Wilkman, Ville Loukonen, Hanna Vehkam¨aki, Markku Kulmala ‘Atmospheric kinetics using rate constants derived from first principles,’ 21st International Symposium on Gas Kinetics, Leuven, Belgium (7/2010). Poster.

List of publications Hanna Vehkam¨aki

47

115. H. Vehkam¨aki, T. Kurt´en, and M. Kulmala: Nucleation in the K¨ohler theory? NOSA Aerosol Symposium 2009, Lund, 12-13 November 2009. Proceedings page 85. Poster. 114. K. Ruusuvuori, T. Kurt´en, H. Vehkam¨aki, I. K. Ortega, M. Toivola, and M. Kulmala: Modelling the sign preference in heterogeneous nucleation NOSA Aerosol Symposium 2009, Lund, 12-13 November 2009. Proceedings page 73. Poster. 113. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. Enhancing effect of dimethylamine in sulfuric acid-water nucleation. Abstract at the 5th NorWiP Workshop in Helsinki, Finland, 26.-28.8.2009. Poster. 112. M. Toivola, T. Kurt´en, T. Berndt, I. K. Ortega, V. Loukonen, H. Vehkam¨aki, M. Kulmala: Quantum chemical studies on nucleation from SO2 oxidation products other than H2 SO4 . Abstract book of the 13th ICQC International Congress of Quantum Chemistry, June22-27, 2009, Helsinki, Finland. (Edited by J. Polvi and H.Ristolainen)C136, pp. 485. Poster. 111. Theo Kurt´en, Ismael K.Ortega, Hanna Vehkam¨aki, Tuukka Pet¨aj¨a and Markku Kulmala HSO4 - HNO3 - H2 O clusters and their relevance to atmospheric sulfuric acid measurements. Abstract book of the 13th ICQC International Congress of Quantum Chemistry, June 22-27, 2009, Helsinki, Finland. (Edited by J. Polvi and H.Ristolainen) A68, pp. 105. Poster. 110. Ruusuvuori, K., Kurt´en, T., Vehkam¨aki, H., Ortega, I.K., Toivola, M. and Kulmala, M. Modelling the sign preference in heterogenous nucleation, Abstract book of the 13th ICQC International Congress of Quantum Chemistry, June 22-27, 2009, Helsinki, Finland. (Edited by J. Polvi and H.Ristolainen)C114, pp. 463. Poster. 109. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. Enhancing effect of dimethylamine in sulfuric acid-water nucleation. Abstract book of the 13th ICQC International Congress of Quantum Chemistry, June 2227, 2009, Helsinki, Finland. (Edited by J. Polvi and H.Ristolainen) C79, pp.428. Poster. 108. Vehkam¨aki, H., Kurt´en T., Toivola, M., Bernt, T., and Stratmann, F. Possible role of the HSO5 radical in atmospheric nucleation Book of Abstracts of the 30th International Symposium on Free Radicals, Savonlinna, finland 25th-30th July, 2009, A50, pp. 92. Poster.

List of publications Hanna Vehkam¨aki

48

107. Kurt´en, T. C., Loukonen, V., Vehkam¨aki, H. and Kulmala, M. Amines enhance neutral and ion-induced sulfuric acid nucleation more than ammonia Proceedings of the European Geophysical Union General Assembly 2009, 19.4-24.4.2009 Vienna, Austria. EGU2009-7529-1. Poster. 106. Vehkam¨aki, H., Kurt´en T., Bernt, T., Toivola, M. and Stratmann, F. Quantum chemical studies on HSO5 -related nucleation Proceedings of the XLIII annual conference of the Finnish Physical Society (TKK-KYL-020 Edited by Laiho, Heikkil¨a, Kajava, Pekola, Puska. March 12th-14th, 2009, Espoo, Finland) pp.119 105. Vehkam¨aki H., Julin J., Napari I. and Merikanto J. Molecular dynamics, Monte Carlo and density functional studies of equilibrium cluster properties. Proceedings of the NOSA Aerosol Symposium Oslo, Norway November 6-7, 2008 pp.115. Poster 104. Ruusuvuori K., Kurt´en T., Vehkam¨aki H and Ortega I.K. Sign preference and nucleation. Proceedings of the NOSA Aerosol Symposium Oslo, Norway November 6-7, 2008 pp.103-104. Poster. 103. Lauri A., Merikanto J., Vehkam¨aki H., Napari I. and Zapadinsky E. Formation energy in homogeneous nucleation applying the virial equation of state. Proceedings of the NOSA Aerosol Symposium Oslo, Norway November 6-7, 2008 pp. 71-72. Poster. 102. Kurt´en T., Kuang C., Gomez P., McMurry P. and Vehkam¨aki H. The role of energy non-accommodation in sulfuric acid nucleation. Proceedings of the NOSA Aerosol Symposium Oslo, Norway November 6-7, 2008 pp.63-64. Poster. 101. U. Uhrner, H. Vehkam¨aki, M. Zallinger, F. Stratmann, S. von L¨owis, B. Wehner and A. Wiedensohler: Nucleation and growth simulations within a diluting Diesel car exhaust plume. European Aerosol Conference 24.-29.8.2008 Thessaloniki, Greece. Poster. 100. T. Kurt´en, V. Loukonen, H. Vehkam¨aki and M. Kulmala: Amines enhance neutral and ion-induced sulfuric acid nucleation more than ammonia. European Aerosol Conference 24.-29.8.2008 Thessaloniki, Greece. Poster. 99. J. Julin, I. Napari, H, Vehkam¨aki: A comparative study in miolecular dynamics simulation of nucleation. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-14020-6474-6, Springer Netherlands 2008, pp. 195-199. Poster.

List of publications Hanna Vehkam¨aki

49

98. M. Noppel, S. Mirme, A.I. Hienola, H. Vehkam¨aki, M. Kulmala, P. E. Wagner: Reversible work of the heterogeneous formation of an embryo of a new phase on a spherical charged conductor within a uniform multicomponent macrocsopic mother space. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland.Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 327331. Poster. 97. A. Lauri, E. Zapadinsky, A.I. Hienola, H. Vehkam¨aki,M. Kulmala: Monte Carlo simulations on heterogeneous nucleation II: line tension 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland.Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 302-305. Oral. 96. A. Lauri, E. Zapadinsky, J. Merikanto, H. Vehkam¨aki, M. Kulmala: Monte Carlo simulations on heterogeneous nucleation I: the point where the classical theory fails. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-14020-6474-6, Springer Netherlands 2008, pp. 317-321. Poster. 95. A.I. Hienola, H. Vehkam¨aki, A. Lauri, P.E. Wagner, P. M. Winkler, M. Kulmala: The first heterogeneous nucleation theorem including line tension : analysis of experimental data. 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 230234. Poster. 94. H Vehkam¨aki, A Lauri, A M¨aa¨tt¨anen, P E Wagner, P M Winkler and M Kulmala: Heterogeneous nucleation theorems for multicomponent systems, 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 235-239. Poster. 93. A M¨aa¨tt¨anen, A Lauri, H Vehkam¨aki, I Napari and M Kulmala: Two-component heterogeneous nucleation in the Martian atmosphere, 17th International Conference of Nucleation

List of publications Hanna Vehkam¨aki

50

and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland.Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 310-313. Poster. 92. A M¨aa¨tt¨anen, A Lauri, H Vehkam¨aki, I Napari and M Kulmala: A kinetically correct and an approximative model for heterogeneous nucleation, 17th International Conference of Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 322-326. Poster. 91. T Pet¨aj¨a, HE Manninen, F Stratmann, M Sipil¨a, G Mordas, PP Aalto, H Vehkam¨aki, W Birmili, K H¨ameri and M Kulmala: On water condensation particle counters and their applicability to field measurements, 17th International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland.Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 707-710. Poster. 90. M. Salonen, I. Napari, H. Vehkam¨aki: Structure of sulfuric acid-water clusters International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 214-217. Poster. 89. M Salonen, T Kurt´en, MR Sundberg and H Vehkam¨aki: Quantum chemical calculations of the binding energies of( H2SO4)2, HOSO2 x H2SO4 and HOSO4 x H2SO4, 17th International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Part I, Eds. C O’Dowd and P Wagner, ISBN 978-14020-6474-6, Springer Netherlands 2008, pp. 218-221. Poster. 88. T Kurt´en, B Bonn, H Vehkam¨aki and M Kulmala: The Reactions of Sulfuric Acid with Biogenic Criegee Intermediates or Secondary Ozonides as a Possible Source of Nucleation Precursors, 17th International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Nucleation and Atmospheric Aerosols, Eds. C O’Dowd and P Wagner, ISBN 978-1-4020-6474-6, Springer Netherlands 2008, pp. 200-203. Poster.

List of publications Hanna Vehkam¨aki

51

87. A M¨a¨att¨anen, H Vehkam¨aki, A Lauri, I Napari and M Kulmala: Two-component heterogeneous nucleation in the Martian atmosphere, EAC 2007, 10.-14.9.2007, Salzburg, Austria. Proceedings pp. 310-313. Poster. 86. A M¨a¨att¨anen, H Vehkam¨aki, A Lauri, I Napari, P E Wagner and M Kulmala: An improved model for heterogeneous nucleatio, EAC 2007, 10.-14.9.2007, Salzburg, Austria. Poster 85. T Kurt´en, IK Ortega, L Torpo, H Vehkam¨aki, M R Sundberg, K Laasonen, V-M Kerminen, M Noppel, M Salonen and M Kulmala: Investigating the role of ammonia in atmospheric nucleation using quantum chemistry, EAC 2007, 10.-14.9.2007, Salzburg, Austria. Poster. 84. A M¨a¨att¨anen, H Vehkam¨aki, A Lauri, I Napari and M Kulmala: Two-component heterogeneous nucleation in the Martian atmosphere, Seventh International Conference on Mars, 9.-13.7.2007, Pasadena, CA, USA. Poster 83. E. Vartiainen, M. Kulmala, T. Ruuskanen, R. Taipale, J. Rinne and H. Vehkam¨aki, D-limonene oxidation and resulting small particle formation in indoor air. Report Series in Aerosol Science No 83, 399-401, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 82. A. M¨aa¨tt¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, P.E. Wagner and M. Kulmala, A kinetically correct heterogeneous nucleation model. Report Series in Aerosol Science No 83, 264266, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, FinnishCzech Aerosol Symposium, and BACCI workshop, Helsinki 8.10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster 81. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, S. Merikallio, J. Kauhanen, H. Savij¨arvi and M. Kulmala, Homogeneous and heterogeneous nucleation in the Martian atmosphere: One- and two-component cases. Report Series in Aerosol Science No 83, 261-263, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster.

List of publications Hanna Vehkam¨aki

52

80. J. Merikanto, I. Napari, H. Vehkam¨aki, T. Anttila and M. Kulmala, New parameterizations of water-sulphuric acid - ammonia nucleation rates and critical cluster compositions. Report Series in Aerosol Science No 83, 239-240,2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 79. J. Merikanto, A. Lauri, E. Zapadinsky and H. Vehkam¨aki: Monte Carlo simulations on nucleation phenomena I: Surface energy in homogeneous nucleation. Report Series in Aerosol Science No 83, 234-238,2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 78. M. Lemmetty, L. Pirjola, H. Vehkam¨aki, T. R¨onkk¨o, J.M. M¨akel¨a and J. Keskinen, Possibility of inorganic nucleation mechanisms in diesel exhaustReport Series in Aerosol Science No 83, 209-211, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, FinnishCzech Aerosol Symposium, and BACCI workshop, Helsinki 8.10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 77. A. Lauri, J. Merikanto, E. Zapadinsky and H. Vehkam¨aki: Monte Carlo simulations on nucleation phenomena II: Heterogeneous nucleation. Report Series in Aerosol Science No 83, 196-199, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, FinnishCzech Aerosol Symposium, and BACCI workshop, Helsinki 8.10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 76. T. Kurt´en, H. Vehkam¨aki, M. Salonen, M. Noppel and M. Kulmala, A quantum chemical comparison of the hydration thermodynamics of sulfuric acid and the hydrogensulfate ion Report Series in Aerosol Science No 83, 180-183, 2006. (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster.

List of publications Hanna Vehkam¨aki

53

75. M. Kulmala, G. Mordas, T. Pet¨aj¨a, T. Gr¨onholm, P.P. Aalto, H. Vehkam¨aki, A.I. Hienola, E. Herrmann, M. Sipil¨a, I. Riipinen, H. Manninen, K. H¨ameri, F. Stratmann, M. Bilde, P.M. Winkler, W. Birmili and P.E. Wagner, The condensation particle counter battery (CPCB): A new tool to investigate the activation properties of nanoparticles. Report Series in Aerosol Science No 83, 171-174, 2006, (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)).Poster. 74. J. Julin, I. Napari and H. Vehkam¨aki, A comparative study on methodology in direct molecular dynamics simulations of gasliquid nucleation, Report Series in Aerosol Science No 83, 122125, 2006, (Proc. of the NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, FinnishCzech Aerosol Symposium, and BACCI workshop, Helsinki 8.10.11.2006, H. Vehkam¨aki, T. Bergman, J. Julin, M. Salonen and M. Kulmala (eds.)). Poster. 73. Risto Makkonen, Ismo Napari, Hanna Vehkam¨aki, Markku Kulmala: Energy Distributions of Small Isolated Clusters from Molecular Dynamics Simulations 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 72. Hanna Vehkam¨aki, Anca Hienola, Antti J Lauri, Anni M¨a¨att¨anen, Markku Kulmala, Paul Winkler, Aron Vrtala, Paul E. Wagner: Heterogeneous nucleation theorems for analysis of nucleation probability data. 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 71. Antti Lauri, Evgeni Zapadinsky, Joonas Merikanto, Hanna Vehkam¨aki, Markku Kulmala: Estimating the heterogeneous nucleation rate - thermodynamic vs. molecular approach. 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 70. Joonas Merikanto, Evgeni Zapadinsky, Antti Lauri, Hanna Vehkam¨aki: Free energies of Lennard-Jones clusters and water clusters: Monte Carlo simulations compared to CNT. 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 69. Martta Salonen, Ismo Napari, Hanna Vehkam¨aki: Thermostatting and system size in indirect simulations of nucleation 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster.

List of publications Hanna Vehkam¨aki

54

68. Ismo Napari, Hanna Vehkam¨aki: Molecular Dynamics Simulations of small Water Clusters: the Role of intramolecular Degrees of freedom. 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 67. Tommi Bergman, Hanna Vehkam¨aki, Antti Lauri and Joonas Merikanto: The effect of surrounding vapor on the formation free energy of an Argon cluster, 80th Colloid and Surface Science Symposium, 16.-24.6.2006, Boulder, CO, USA. Poster. 66. J. Merikanto, I Napari, H Vehkam¨aki, T Anttila and M Kulmala: New parameterization of water - sulfuric acid - ammonia ternary nucleation in atmospheric conditions, IAC, 10.-15.9.2006, St. Paul, MN, USA.Proceedings pp. 1424. Poster. 65. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, M. Kulmala and P.E. Wagner: A kinetically correct model for heterogeneous nucleation, IAC, 10.-15.9.2006, St. Paul, MN, USA. Proceedings pp. 731-732. Poster. 64. J. Merikanto, E. Zapadinsky, H. Vehkam¨aki, A. Lauri: Comparison between Monte Carlo nucleation simulations and the classical nucleation theory, IAC, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 729. Poster 63. A. Lauri, E. Zapadinsky, J. Merikanto, H. Vehkam¨aki and M. Kulmala: A possible origin of the error in the nucleation rate calculations by the classical theory of heteogeneous nucleation, IAC, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 725-726. Poster 62. I. Napari and H. Vehkam¨aki: Dynamics of evaporation of small water clusters, IAC, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 722. Poster. 61. T. Kurt´en, B. Bonn, H. Vehkam¨aki and M. Kulmala: A computational investigation of the reaction between stabilized Criegee biradicals and sulfuric acid, IAC, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 1044-1045. Poster 60. A. M¨aa¨tt¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, J. Kauhanen, H. Savij¨arvi, M. Kulmala, S. Merikallio: Homogeneous and heterogeneous nucleation in the Martian atmosphere, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 595-596. Poster. 59. M. Kulmala, G. Mordas, T. Pet¨aj¨a, T. Gr¨onholm, P.P. Aalto, H. Vehkam¨aki, A. Gaman, E. Herrmann, M. Sipil¨a, I. Riipinen, K.

List of publications Hanna Vehkam¨aki

55

H¨ameri, W. Birmili, P.E. Wagner: Estimation of composition of growing aerosol particles using a condensation particle counter battery, International Aerosol Conference, 10.-15.9.2006, St. Paul, Minnesota, USA. Proceedings pp. 369-370. Poster. 58. Anca I. Gaman, Ismo Napari, Hanna Vehkam¨aki, Paul Winkler, Paul E. Wagner and Markku Kulmala: N-nonane-n-propanol binary nucleation. Experiment vs. theory, European Aerosol Conference 2005, 28.8.-2.9.2005, Ghent, Belgium. Poster. 57. Ismo Napari and Hanna Vehkam¨aki: Relaxation dynamics of simple clusters, European Aerosol Conference, 28.8.-2.9.2005, Ghent, Belgium. Poster. 56. Hanna Vehkam¨aki, Tatu Anttila, Ismo Napari and Markku Kulmala: Sulphuric acid-ammonia-water nucleation in the atmosphere, European Aerosol Conference, 28.8.-2.9.2005, Ghent, Belgium. Poster. 55. Ulrich Uhrner, Sibylle von L¨owis, Birgit Wehner, Markus Hermann, Frank Stratmann, Hanna Vehkam¨aki and Alfred Wiedensohler: Dilution and aerosol dynamics within a diesel car exhaust plume - CFD simulations of on-road conditions. European Aerosol Conference, 28.8.-2.9.2005, Ghent, Belgium. Poster. 54. Madis Noppel, Hanna Vehkam¨aki, Leena Torpo and Markku Kulmala: Hydrated H2SO4 in gas phase: Comparison of quantum chemical and experimental results and new hydration model. European Aerosol Conference 2005, 28.8.-2.9.2005, Ghent, Belgium. Poster. 53. Anni M¨a¨att¨anen, Hanna Vehkam¨aki, Antti Lauri, Sini Merikallio, Janne Kauhanen, Hannu Savij¨arvi, Markku Kulmala: Ice Nucleation in the Martian Atmosphere European Aerosol Conference 2005, 28.8-2.9. 2005, Ghent, Belgium. Poster. 52. Jyrki M. Martikainen, Hanna Vehkam¨aki, Jarkko V. Niemi, Tareq Hussein and Markku Kulmala: Accumulation and Aitken Mode Ratio as an Indicator of Aerosol Particle Long-Range Transport. 5th International Urban Air Quality Conference, 27.3.-2.4.2005, Valencia, Spain. Poster. 51. Anni M¨a¨att¨anen, Hanna Vehkam¨aki, Antti Lauri, Sini Merikallio, Janne Kauhanen, Hannu Savij¨arvi, Markku Kulmala: Ice Nucleation in the Martian Atmosphere Abstracts of the 37th DPS Meeting, 4-9 September 2005, Cambridge, England Bulletin of the American Astronomical Society, vol.37, no.3

List of publications Hanna Vehkam¨aki

56

http://www.aas.org/publications/baas/v37n3/dps2005/29.htm Poster. 50. Johanna Lauros, Douglans Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of atmospheric variability on binary nucleation rate Conference proceedings of NOSA 2004 Aerosol Symposium, 11.-12.11.2004, Stockholm. Poster. 49. Hanna Vehkam¨aki, Miikka Dal Maso, Tareq Hussein, Robert Flanagan, Antti Hyv¨arinen, Johanna Lauros, Joonas Merikanto, Petteri M¨onkk¨onen, Mari Pihlatie, Kaisa Salminen, Larisa Sogacheva, Tea Thum, Taina Ruuskanen, Pasi Aalto, Pertti Hari, ¨ Kari E. J. Lehtinen, Ullar Rannik and Markku Kulmala: Atmospheric particle formation events at V¨arri¨o measurement station 1998-2002. Abstracts of the European Aerosol Conference 6.10.9. 2004 Budapest, pp. S1045-S1046. Poster. 48. Anni M¨a¨att¨anen, Hannele Korhonen, Kari E. J. Lehtinen, Hanna Vehkam¨aki, Janne Kauhanen, Hannu Savij¨arvi and Markku Kulmala: nucleation in the atmosphere of Mars. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S943-S944. Poster. 47. Aare Luts, Madis Noppel and Hanna Vehkam¨aki: Effect of sulfuric acid on the composition of negative small air ions: a numerical simulation. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S953-S954. Poster. 46. Johanna Lauros, E. Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of variability in temperature and vapour concentration on new particle formation. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S939S940. Poster. 45. Markku Kulmala, Lauri Laakso, Kari E. J. Lehtinen and Hanna Vehkam¨aki: How particles nucleate and grow. Abstracts of the European Aerosol Conference 6.-10.9. 2004 Budapest, pp. S229-S230. Poster. 44. Markku Kulmala, Hanna Vehkam¨aki, Tuukka Pet¨aj¨a, Miikka Dal Maso, Antti Lauri, Veli-Matti Kerminen, Wolfram Birmili, Peter H. McMurry: Observed Formation and Growth Rates of Atmospheric Aerosol Particles. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, 26.-30.7.2004 Kyoto, Japan, pp. 540-543. Poster. 43. Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: IonInduced Nucleation in the H2SO4, NH3, and H2O System:

List of publications Hanna Vehkam¨aki

57

Threshold of Barrierless Nucleation. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp.89-92. Poster. 42. Johanna Lauros, E. Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of Variability in Temperature and Humidity on Binary Water-Sulfuric Acid Nucleation Rate. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp. 7376. Poster. 41. Ismo Napari, Hanna Vehkam¨aki, Markku Kulmala, Kari E. J. Lehtinen and Lauri Laakso: Kinetic Limits and Nucleation Regimes in Water-Sulfuric Acid-Ammonia Nucleation. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp.7780. Poster. 40. Antti Lauri, Joonas Merikanto, Evgeni Zapadinsky and Hanna Vehkam¨aki: Two Monte Carlo Simulation Methods Compared in Studies of Homogeneous Nucleation. Conference proceedings of 16th International Conference of Nucleation and Atmospheric Aerosols, Kyoto 26.-30.7.2004, Japan, pp. 69-72. Poster. 39. Johanna Lauros, E. Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of atmospheric variability on binary water-sulfuric acid nucleation rate, Proceedings of First Joint BACCI Meeting 14.-15.6.2004, Lund, Sweden, pp.61-62. Poster. 38. Tervahattu, Heikki, Kupiainen, Kaarle, Niemi, Jarkko, R¨ais¨anen, Mika, Vehkam¨aki, Hanna, Kulmala, Markku, Aalto, Pasi, Dal Maso, Miikka, Laakso, Lauri, Paatero, Pentti, Riekkola, MarjaLiisa, Hartonen, Kari, Hy¨otyl¨ainen, Tuulia, Shimmo, Masahiko, Kallio, Minna and Anttila, Piia: Studies on the composition and origins of atmospheric aerosols by electron microscopy and tofsims. Abstracts of Interdisciplinarity in environmental research -seminar 4.5.2004, Helsinki, pp.22-23. Poster. 37. Vehkam¨aki, Hanna, Kulmala, Markku, Aalto, Pasi, Dal Maso, Miikka, Laakso, Lauri, Paatero, Pentti, Tervahattu, Heikki, Niemi, Jarkko, Kupiainen, Kaarle, R¨ais¨anen, Mika, Riekkola, Marja-Liisa, Hartonen, Kari, Hy¨otyl¨ainen, Tuulia, Shimmo, Masahiko, Kallio, Minna and Anttila, Piia: Chromatographic analysis of organic compounds in aerosol particles collected during quest campaign. Abstracts of Interdisciplinarity in environmental research -seminar 4.5.2004, Helsinki, pp. 20-21. Poster.

List of publications Hanna Vehkam¨aki

58

36. Vehkam¨aki, Hanna, Kulmala, Markku, Aalto, Pasi, Dal Maso, Miikka, Laakso, Lauri, Paatero, Pentti, Tervahattu, Heikki, Niemi, Jarkko, Kupiainen, Kaarle, R¨ais¨anen, Mika, Riekkola, Marja-Liisa, Hartonen, Kari, Hy¨otyl¨ainen, Tuulia, Shimmo, Masahiko, Kallio, Minna and Anttila, Piia: Atmospheric particle formation. Abstracts of Interdisciplinarity in environmental research -seminar 4.5.2004, Helsinki, pp. 18-19. Poster. 35. Antti Lauri, Joonas Merikanto, Evgeni Zapadinsky, Hanna Vehkam¨aki: Simulations of homogeneous nucleation using Monte Carlo simulations. In Proceedings of the XIX International Conference for Physics Students, 12.-18.8.2004, Novi Sad, Serbia and Montenegro, 2004. Poster. 34. Antti Lauri, Evgeni Zapadinsky, Hanna Vehkam¨aki and Markku Kulmala: A new way to formulate heterogeneous nucleation in statistical mechanics. In proceedings of the first joint BACCI meeting, 14.-16.6.2004, Lund, Sweden, pp. 56-60, 2004. Poster. 33. Madis Noppel, Markku Kulmala and Hanna Vehkam¨aki: Ioninduced nucleation of sulphuric acid and water 12th Conference on Atmospheric Electricity, 9.-13.6.2003, Versailles, France. Poster. ¨ 32. Lauri Laakso, Tiia Gr¨onholm, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fiedler and Markku Kulmala: Ultrafine Particle Scavenging Coefficients Calculated from Six years Field Measurements. Conference proceedings of from Six Years Field Measurements, NOSA 2003, 13.-14.11.2003, Copenhagen, pp. 95-96. Poster. 31. Anca Gaman, Kaisa Hautio, Hanna Vehkam¨aki, Ismo Napari, Ari Laaksonen and Markku Kulmala: On the formation and growth of secondary organic aerosol particles in water/dicarboxylic acid systems. Report Series in Aerosol Science, Vol 62A, pp. 110-115, 2003 (Proceedings of ILEAPS Open Science Conference 19.9.-3.10.2003, Helsinki). Poster. ¨ 30. Tiia Gr¨onholm, Lauri Laakso, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fielder and Markku Kulmala: Ultrafine partcile scavenging coefficients calculated from siz years field measurements Report Series in Aerosol Science, Vol 62A, pp. 120-123, 2003 (Proceedings of ILEAPS Open Science Conference 19.9.-3.10.2003, Helsinki). Poster. 29. Hanna Vehkam¨aki, Miikka Dal Maso, Tareq Hussein, Robert Flanagan, Antti Hyv¨arinen, Johanna Lauros, Joonas Merikanto,

List of publications Hanna Vehkam¨aki

59

Petteri M¨onkk¨onen, Mari Pihlatie, Kaisa Salminen, Larisa Sogacheva, Tea Thum, Taina Ruuskanen, Pasi Aalto1, Pertti Hari3 and Markku Kulmala: Analysis of atmospheric particle formation events at V¨arri¨o measurement station 1996-2001 Report Series in Aerosol Science, Vol 62B, pp. 422-426, 2003. (Proceedings of ILEAPS Open Science Conference 19.9.-3.10.2003, Helsinki3). Poster. 28. Johanna Lauros, E. Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of spatial or temporal variability in temperature or precursor gases on aerosol nucleation in the troposphere and lower stratosphere. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S1153-S1154. Poster. 27. Hanna Vehkam¨aki, Wolfram Birmili, Veli-Matti Kerminen, Tuukka Pet¨aj¨a, Miikka dal Maso, Antti Lauri, Peter H. McMurry and Markku Kulmala: Overview of formation and growth events of ultrafine aerosols observed in the atmosphere. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S737-S738. Poster. 26. Ismo Napari, Markku Kulmala and Hanna Vehkam¨aki Ternary nucleation of inorganic acids, ammonia, and water. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S727-S728. Poster. ¨ 25. Tiia Gr¨onholm, Lauri Laakso, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fiedler and Markku Kulmala: Ultrafine particle scavenging coefficients calculated from the field measurements. Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.-5.9.2003 Madrid, pp. S627. Poster. 24. Joonas Merikanto, Hanna Vehkam¨aki and Evgeni Zapadinsky: Monte Carlo simulation of nucleation of water Journal of Aerosol Science, Abstracts of the European Aerosol Conference 31.8.5.9.2003 Madrid, pp. S309-S310. Poster. 23. Hanna Vehkam¨aki, Miikka Dal Maso, Tareq Hussein, Robert Flanagan, Antti Hyv¨arinen, Johanna Lauros, Joonas Merikanto, Petteri M¨onkk¨onen, Mari Pihlatie, Kaisa Salminen, Larisa Sogacheva, Tea Thum, Taina Ruuskanen, Pasi Aalto1, Pertti Hari3 and Markku Kulmala: Atmospheric particle formation events at V¨arri¨o measurement station 1996-2001, BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a. Poster.

List of publications Hanna Vehkam¨aki

60

22. Ismo Napari, Hanna Vehkam¨aki, Kari Laasonen: Molecular Dynamics Simulations of Molecule-Cluster Collision Processes Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp.94-96. Poster. 21. Anni M¨a¨att¨anen, Hannele Korhonen, Kari E. J. Lehtinen, Hanna Vehkam¨aki and Markku Kulmala An Investigation of Aerosol Dynamics in the Atmosphere of Mars, Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp. 92-93. Poster. 20. Johanna Lauros, Douglas Nilsson, Hanna Vehkam¨aki and markku Kulmala: Effect of variability in temperature and precursor gases on nucleation rate, Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp.82-83. Poster. 19. Antti Lauri, Evgeni Zapadinsky, Markku Kulmala, Paul E. Wagner and Hanna Vehkam¨aki Work of Formation in Heterogeneous Nucleation of Argon Determined by Monte Carlo Simulation Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp.76-81. Poster. ¨ 18. Lauri Laakso, Tiia Gr¨onholm, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fiedler and Markku Kulmala: Ultrafine Particle Scavenging Coefficients Calculated from Six Years Field Measurements Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp. 72-75. Poster. 17. Anca Gaman, Hanna Vehkam¨aki, Ismo Napari, Ari Laaksonen and Markku Kulmala: Vapour phase binary homogenous nucleation of five dicarboxylic acids and water Proceedings of BACCI Workshop on Atmospheric Aerosols, Formation and Chemistry, 15.-17.8.2003, Hyyti¨al¨a, pp. 35-38. Poster. 16. Anni M¨aa¨tt¨anen, Hannele Korhonen, Hanna Vehkam¨aki, Kari Lehtinen, Markku Kulmala: An Investigation of Aerosol Dynamics in the Atmosphere of Planet Mars, Proceedings of the third international conference on Mars polar science and exploration 13.-17.10. 2003, Lake Louise, Alberta, Canada, abstract 8046. Poster. 15. Anni M¨aa¨tt¨anen, Hannele Korhonen, Hanna Vehkam¨aki, Kari Lehtinen, Markku Kulmala: Developing an aerosol model for Mars, Geophysical Research Abstracts Vol. 5., EAE03-A-02197,

List of publications Hanna Vehkam¨aki

61

2003 (Abstracts of EGS-AGU-EGU Joint Assembly, 6.-11.4. 2003, Nizza). Poster. 14. Antti Lauri, Jukka A. Ketoja, Hanna Vehkam¨aki and Markku Kulmala. Formation and growth of liquid embryos from supersaturated water vapour on different surfaces in Proceedings of the XXXVII Annual Conference of the Finnish Physical Society, 20.–22.3. 2003, Helsinki, Finland. University of Helsinki, Report Series in Physics HU-P-265, pp. 403. Poster. 13. Hanna Vehkam¨aki, Joonas Merikanto and Evgeni Zapadinsky: Monte Carlo simulation of critical size water cluster: comparison of two methods. Abstracts of the Sixth International Aerosol Conference, September 8.-13.2002, Taipei, Taiwan. pp. 483484. Poster. 12. Hanna Vehkam¨aki, Kari E. J. Lehtinen, Ismo Napari, and Markku Kulmala: Kinetic studies on binary H2 O-H2 SO4 and ternary H2 O-H2 SO4 -NH3 nucleation. Abstracts of the Sixth International Aerosol Conference, September 8.-13.2002, Taipei, Taiwan. pp. 481-482. Poster. 11. Hanna Vehkam¨aki, Ismo Napari, Kari E. J. Lehtinen, Claudia Timmreck, Madis Noppel, Ari Laaksonen and Markku Kulmala: Parameterizations for binary water-sulfuric acid and ternary water-sulfuric acid-ammonia nucleation. Report Series in Aerosol Science, Vol 56, pp. 160–163, 2002. (Abstracts of Czech-Finnish Aerosol Symposium, 23.-26.5.2002, Prague). Poster. 10. Hanna Vehkam¨aki, Markku Kulmala, Claudia Timmreck and Ari Laaksonen: Parametrisations of sulphuric acid-water nucleation rates for upper tropospheric and stratospheric conditions Journal of Aerosol Science Vol 31 Suppl. 1 pp.S448, 2000. (Abstract of the European Aerosol Conference 3.-8.9.2001, Dublin, Ireland) Poster. 9. Hanna Vehkam¨aki: Nucleation rate from growth and decay simulations of Lennard-Jones clusters in Proceedings of the XXIV Annual Conference of the Finnish Physical Society, 9.–11.3. 2000, Espoo, Finland. Helsinki University of Technology Publications in Engineering Physics TKK-F-A797, pp.302. Poster. 8. Hanna Arstila, Kari Laasonen, Ari Laaksonen: Ab initio studies of sulphuric acid-water clusters. In Proceedings of the XXXI Annual Conference of the Finnish Physical Society, 13.–15.3.1997, Helsinki, Finland HU-P-262 (5:12). Poster.

List of publications Hanna Vehkam¨aki

62

7. Alex Lushnikov, Markku Kulmala and Hanna Arstila: Source enhanced condensation in binary mixtures. In proceedings of the fourteenth International Conference on Nucleation and Atmospheric Aerosols, August 26 – 30, 1996, Helsinki, Finland. Ed. by Markku Kulmala and Paul E. Wagner, Pergamon. pp. 618 – 621. Poster. 6. Alex Lushnikov, Markku Kulmala and Hanna Arstila: Nucleation controlled growth of aerosol particles. In proceedings of the fourteenth International Conference on Nucleation and Atmospheric Aerosols, August 26 – 30, 1996, Helsinki, Finland. Ed. by Markku Kulmala and Paul E. Wagner, Pergamon. pp. 225 – 228. Poster. 5. Hanna Vehkam¨aki, Markku Kulmala: Comparison and consistency study of different nucleation theories. J. Aerosol Sci., Vol 26, Suppl 1, pp S213-214, 1995. (Abstracts of the 1995 European Aerosol Conference, 18.-22.9.1995, Helsinki) Poster. 4. Hanna Vehkam¨aki, Pentti Paatero, Markku Kulmala, Ari Laaksonen: A matrix method in classical binary nucleation theory. In Abstracts book of Fourth International Aerosol Conference, August 29 – September 2, 1994, Los Angeles, California. Ed. by Richard C. Flagan. pp. 335 – 336. Poster. 3. M. Kulmala, H. Vehkam¨aki, T. Vesala, J.C. Barrett, C.F. Clement: Aerosol Formation in Diffusive Boundary Layers: Binary Homogeneous Nucleation. In Abstracts book of Fourth International Aerosol Conference, August 29 – September 2, 1994, Los Angeles, California. Ed. by Richard C. Flagan. pp. 320 – 321. Poster. 2. H. Vehkam¨aki, P. Paatero, M. Kulmala & A. Laaksonen: A Matrix Method in Classical Binary Nucleation Theory. in Proceedings of the XXVIII Annual Conference of the Finnish Physical Society, 17.–19.3. 1994, J¨arvenp¨aa¨, Finland. Report Series in Physics HU-P-260 (9:17). Poster. 1. H. Vehkam¨aki, P. Paatero M., Kulmala, A. Laaksonen, Simulation of binary nucleation kinetics with a computer model, Report Series in Aerosol Science, Vol 23, pp. 43–47, 1993. (Abstracts of the fifth national aerosol symposium 1.-3.6.1993, Stockholm-Helinki) Poster.

List of publications Hanna Vehkam¨aki

3

63

Muut tieteelliset artikkelit/Other scientific articles

63. Ehn M., Junninen H., Pet¨aj¨a T., Kurt´en T., Kerminen V.-M., Schobesberger S., Manninen H. E., Ortega I. K., Vehkam¨aki H., Kulmala M., and Worsnop D.: Ambient small ion composition during new particle formation events measured with the APi-TOF Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen. 62. Julin J., Napari I., and Vehkam¨aki H. Sizes of critical and equilibrium clusters from molecular dynamics simulations Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen. 61. Loukonen V., and Vehkam¨aki H. The effect of contact angle and condensation seed particle radius on the onset of heterogeneous nucleation. Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen. 60. Ortega I. K., Kurt´en T., Wilkman O., Loukonen V., Vehkam¨aki H., and Kulmala M. From quantum mechanics to evaporation rates Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen. 59. Pet¨aj¨a T., Sipil¨a M., Berndt T., Stratmann F., Kurt´en T., Vehkam¨aki H., and Kulmala M. Sulfuric acid dimer formation in laminar flow tube experiments Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen.

List of publications Hanna Vehkam¨aki

64

58. Ruusuvuori K., Kurt´en T., Vehkam¨aki H., Ortega I. K., Toivola M., and Kulmala M. Density-functional study of the sign preference of tungsten oxide seed particles Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen. 57. Toivola M., Kurt´en T., Ortega I. K., Loukonen V., Vehkam¨aki H., and Kulmala M. Quantum chemical studies on the sulfuric acid addition to the small clusters of sulfur containing compounds Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen . 56. Vehkam¨aki H., Loukonen V., Ruusuvuori K., Kurt´en T., Ortega I. K., Toivola M., Julin J., Napari I., McGrath M., V¨aa¨n¨anen R., Herrmann E., and Kulmala M. Molecular modelling of molecular clusters related to atmospheric particle formation Report Series in Aerosol Science Vol 109. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 17.-19.5.2010, Editors: Markku Kulmala, Jaana B¨ack and Tuomo Nieminen . 55. Ruusuvuori, K. I., Kurten, T. C., Vehkam¨aki, H., Ortega Colomer, I. K., Toivola, M. and Kulmala, M: Sign Preference and Atmospheric Nucleation. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 27.-29.4.2009, Editors: Markku Kulmala, Jaana B¨ack, Tuomo Nieminen, and Antti Lauri. Report Series in Aerosol Science A, 102, 2009. 54. Loukonen, V., Kurt´en, T., Ortega, I. K., Vehkam¨aki, H., Padua, A., Sellegri, K., Kulmala, M. On the role dimethylamine in sulfuric acid-water nucleation. Proceedings of the Finnish Center of Excellence and Graduate School in ’Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change’ Annual Workshop 27.-29.4.2009, Editors: Markku Kulmala, Jaana B¨ack, Tuomo Nieminen, and Antti Lauri. Report Series in Aerosol Science A, 102, 2009.

List of publications Hanna Vehkam¨aki

65

53. H Vehkam¨aki, A Lauri, AI Hienola, A M¨aa¨tt¨anen, PE Wagner, PM Winkler and M Kulmala, Heterogeneous nucleation theorems, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 270-277 52. M Salonen, I Napari, H Vehkam¨aki and M Kulmala, Molecular dynamic simulations of Lennard-Jones and water-sulfuric acid clusters, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 215-217 51. IK Ortega, T Kurt´en, H Vehkam¨aki and M Kulmala, The role of ammonia in sulfuric acid ion induced nucleation, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 182-187 50. M Noppel, H Vehkam¨aki, T Kurt´en and M Kulmala, Hydration and multicomponent ion-induced nucleation of sulfuric acid in the atmosphere, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 174-181 49. I Napari and H Vehkam¨aki, Molecular dynamics investigations of atomic and molecular clusters, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 171-173 48. A M¨a¨att¨anen, H Vehkam¨aki, A Lauri, I Napari and M Kulmala, Two-component heterogeneous nucleation model for Mars, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 163-166 47. R Makkonen, I Napari, H Vehkam¨aki and M Kulmala, Parameterization of ammonia and water content of atmospheric droplets with fixed number of sulfuric acid molecules, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 150-151 46. R Makkonen, I Napari and H Vehkam¨aki, Energy distributions and heat capacities of argon clusters from microcanonical molecular dynamics simulations, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 148-149 45. A Lauri, J Merikanto, E Zapadinsky, I Napari, H Vehkam¨aki and M Kulmala, Molecular Monte Carlo simulations in studies of homogeneous and heterogeneous nucleation: What have we learned? Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 110-117

List of publications Hanna Vehkam¨aki

66

44. T Kurt´en, H Vehkam¨aki, L Torpo, MR Sundberg, K Laasonen, M Noppel, V-M Kerminen and M Kulmala, The role of ammonia in neutral atmospheric sulfuric acid nucleation, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 99-102 43. T Kurt´en, M Salonen, V Loukonen, H Vehkam¨aki and M Kulmala, Quantum chemical calculations on sulfuric acid-water nucleation: The role of amines, and SO2 oxidation intermediates, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 93-98 42. J Julin, I Napari and H Vehkam¨aki, Nucleation properties from molecular dynamics simulations: Results from direct and indirect routes, Report Series in Aerosol Science No 93, Eds. M Kulmala, J B¨ack and M Salonen, 2008. pp. 67-71 41. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, S. Merikallio, J. Kauhanen, H. Savij¨arvi and M. Kulmala, Particle formation (nucleation) in the Martian atmosphere, In: Lunar and Planetary Science. Houston, TX, ISSN 1540-7845. 1323 (2006), art. 8007 40. P.M. Winkler, A. Vrtala, P.E. Wagner, A.I. Gaman, H. Vehkam¨aki and M. Kulmala, Binary heterogeneous nucleation of water - nnonane vapor mixtures on Ag-nanoparticles. Report Series in Aerosol Science No 81B, 653-657, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 39. H. Vehkam¨aki, A. M¨a¨att¨anen, A.J. Lauri, M. Kulmala, P. Winkler, A. Vrtala and P.E. Wagner, Heterogeneous nucleation theorem for one component systems. Report Series in Aerosol Science No 81B, 639-644, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 38. L. Torpo, T. Kurt´en, H. Vehkam¨aki and M. Kulmala, Ab initio study on additional sulfuric acid molecule in (H2SO4)3 · NH3 · (H2O)M (M = 0.. 2) clusters. Report Series in Aerosol Science No 81B, 612-615, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 37. M. Salonen, I. Napari and H. Vehkam¨aki, Temperature control of atomic clusters in molecular dynamic simulations. Report Series in Aerosol Science No 81B, 527-528, 2006. (Proceedings

List of publications Hanna Vehkam¨aki

67

of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 36. I. Napari and H. Vehkam¨aki, Mocelular dynamics simulations of small water clusters: The role of intramolecular degrees of freedom. Report Series in Aerosol Science No 81B, 432-434, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 35. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, P.E. Wagner and M. Kulmala, A kinetically correct heterogeneous nucleation model. Report Series in Aerosol Science No 81B, 429-431, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 34. A. M¨a¨att¨anen, H. Vehkam¨aki, A. Lauri, I. Napari, S. Merikallio, J. Kauhanen, H. Savij¨arvi and M. Kulmala, An investigation of homogeneous and heterogeneous nucleation in the Martian atmosphere: One- and two-component cases. Report Series in Aerosol Science No 81B, 426-428, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 33. J. Merikanto, E. Zapadinsky, A. Lauri and H. Vehkam¨aki, Comparison between Monte Carlo nucleation simulations and classical nucleation theory. Report Series in Aerosol Science No 81B, 396-397, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 32. J. Merikanto, I. Napari, H. Vehkam¨aki, T. Anttila and M. Kulmala, New parameterization of water - sulfuric acid - ammonia ternary nucleation rates in atmospheric conditions. Report Series in Aerosol Science No 81B, 394-395, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 31. J. Martikainen, P. Aarnio, I. Valkama, T. Hussein, H. Vehkam¨aki, L. Sogacheva, J. H¨ark¨onen, A. Karppinen, T. Koskentalo, J. Kukkonen and M. Kulmala, Long-range transported aerosol particles in Helsinki during selected episodes in year 2002. Report Series in Aerosol Science No 81B, 382-384, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 30. R. Makkonen, I. Napari and H. Vehkam¨aki, Cluster energy distributions from molecular dynamics simulations. Report Series in Aerosol Science No 81B, 364-365, 2006. (Proceedings

List of publications Hanna Vehkam¨aki

68

of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 29. A. Lauri, E. Zapadinsky, H. Vehkam¨aki, J. Merikanto and M. Kulmala, Use of the classical theory of heterogeneous nucleation leads to an underestimation of the nucleation rate in the case of argon. Report Series in Aerosol Science No 81A, 309-312, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 28. T. Kurt´en, L. Torpo, M. Noppel, K. Laasonen, B. Bonn, H. Vehkam¨aki and M. Kulmala, Modelling particle formation using quantum chemistry: Recent results and error analysis. Report Series in Aerosol Science No 81A,271-276, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 27. M. Kulmala, G. Mordas, T. Pet¨aj¨a, P.P. Aalto, H. Vehkam¨aki, A. Gaman, E. Herrmann, T. Gr¨onholm, M. Sipil¨a, K. H¨ameri, W. Birmili and P.E. Wagner, On condensation particle counter battery, Ibid., Report Series in Aerosol Science No 81A, 266-270 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 26. A.I. Hienola, P.M. Winkler, P.E. Wagner, H. Vehkam¨aki, I. Napari and M. Kulmala, Heterogeneous nucleation of n-nonane and n-propanol on silver substrate: Determination of line tension and microscopic contact angle, Report Series in Aerosol Science No 81A, 169-172, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 25. T. Bergman, H. Vehkam¨aki, A. Lauri and J. Merikanto, The effect of the surrounding vapor on the formation free energy of an argon cluster, Report Series in Aerosol Science No 81A, 52-55, 2006. (Proceedings of BACCI, NECC and FCoE activities 2005, Book A, eds. M. Kulmala, A. Lindroth and T.M. Ruuskanen ) 24. Niemi, J. V., Tervahattu, H., Saarikoski, S., M¨akel¨a, T., Hillamo, R., Vehkam¨aki, H., Sogacheva, L., Kulmala, M.: Changes in background aerosol composition during polluted and clean periods studied by TEM/EDX analysis. Proceedings of Air Pollution -Response of Ecosystem and Society (URPO) in Helsinki 14.11.2005, Helsinki University Environmental Research Centre, Editor: Jaana B¨ack. Report series in aerosol science 77, 2005 23. Anni M¨aa¨tt¨anen, Hannele Korhonen, Hanna Vehkam¨aki, Kari E. J. Lehtinen, Markku Kulmala: Developing an aerosol model

List of publications Hanna Vehkam¨aki

69

for Mars Report Series in Aerosol Science, Vol 59, pp. 166-167, 2003 (Research Unit on Physics, Chemistry and Biology of Atmospheric composition and Climate Change: Progress Report and Proceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 22. Hanna Vehkam¨aki, Ismo Napari, Madis Noppel and Markku Kulmala: On sulphate clusters. Report Series in Aerosol Science, Vol 68, pp. 346-347, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 21. Hanna Vehkam¨aki, Miikka Dal Maso, Tareq Hussein, Robert Flanagan, Antti Hyv¨arinen, Johanna Lauros, Joonas Merikanto, Petteri M¨onkk¨onen, Mari Pihlatie, Kaisa Salminen, Larisa Sogacheva, Tea Thum, Taina Ruuskanen, Petri Keronen, Pasi ¨ P. Aalto, Pertti Hari, Kari E. J. Lehtinen, Ullar Rannik and Markku Kulmala: Atmospheric particle formation events at SMEAR I measurement station in V¨arri¨o 1998 - 2002. Report Series in Aerosol Science, Vol 68, pp. 340-345, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 20. Eija Vartiainen, Kaarle H¨ameri, Kari Kuuspalo, Aino Nevalainen, Mika Toivola and Hanna Vehkam¨aki: Analysis of particle size distributions measured in a microbe damged and in a refrenece building. Report Series in Aerosol Science, Vol 68, pp.338-339, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 19. Madis Noppel, Hanna Vehkam¨aki and Markku Kulmala: IonInduced ternary nucleation of H2 SO4 , NH3 , and H2 O: onset of barrierless nucleation. Report Series in Aerosol Science, Vol 68, pp. 204-208, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 1416.4.2003) 18. Ismo Napari, Hanna Vehkam¨aki, Kari Laasonen and Tuulia Taskila: Characterization of dimer decay of small argon clusters. Report Series in Aerosol Science, Vol 68, pp. 197-199, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003)

List of publications Hanna Vehkam¨aki

70

17. Anni M¨a¨att¨anen, Hannele Korhonen, Kari E. J. Lehtinen, Hanna Vehkam¨aki, Janne Kauhanen, Hannu Savij¨arvi and Markku Kulmala: Nucleation in the atmosphere of Mars Report Series in Aerosol Science, Vol 68, pp.189-191, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 16. Joonas Merikanto, Evgeni Zapadinsky and Hanna Vehkam¨aki: Critical cluster size and nucleation rate of water: Monte Carlo simulations Report Series in Aerosol Science, Vol 68, pp. 179182, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 15. Joonas Merikanto, Evgeni Zapadinsky and Hanna Vehkam¨aki: Connection between intrinsic cluster properties and stabilty of argon clusters from Monte Carlo simulations. Report Series in Aerosol Science, Vol 68, pp.176-178, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 14. Johanna Lauros, E. Douglas Nilsson, Hanna Vehkam¨aki and Markku Kulmala: Effect of atmospheric variability on binary nucleation rate Report Series in Aerosol Science, Vol 68, pp.151152, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003) 13. Antti Lauri, Evgeni Zapadisnky, Hanna Vehkam¨aki and Markku Kulmala: Heterogenous nucleation: a new statistical mechanical formulation, Monte CArlo simulation results and comparison with classical theory. Report Series in Aerosol Science, Vol 68, pp. 141-145, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 1416.4.2003) 12. Markku Kulmala, Hanna Vehkam¨aki, Tuukka Pet¨aj¨a, Miikka Dal Maso, Antti Lauri, Veli-Matti Kerminen, Wolfram Birmili and Peter McMurry: Observed formationm and growth rates of atmospheric aerosol particles Report Series in Aerosol Science, Vol 68, pp. 125-128, 2004. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: II Progress Report and Proceedings of Seminar in Helsinki 14-16.4.2003)

List of publications Hanna Vehkam¨aki

71

11. Theo Kurt´en, Markku Kulmala, Miikka Dal Maso, Tanja Suni, Anni Reissell, Pertti Hari, Ari Laaksonen, Yrj¨o Viisanen, Hanna Vehkam¨aki and Timo Vesala: Estimation of secondary aerosol contribution to the radiative balance using observations from Hyyti¨al¨a, Finland Report Series in Aerosol Science, Vol 59, pp. 285-290, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) ¨ 10. Laakso Laakso, Tiia Gr¨onholm, Ullar Rannik, Hanna Vehkam¨aki, Miriam Kosmale, Verena Fiedler and Markku Kulmala: Ultrafine particle scavenging coefficients calculated from six years field measurements Report Series in Aerosol Science, Vol 59, pp. 238-240, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 9. Antti Lauri, Jukka A. Ketoja, Hanna Vehkam¨aki, Sami Romakkaniemi and Markku Kulmala: Calculations and experiments of heterogeneous nucleation on solid surfaces and condensation onto small liquid embryos Report Series in Aerosol Science, Vol 59, pp. 176-181, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 8. Hannele Korhonen, Ismo Napari, Hanna Vehkam¨aki, Kari E.J. Lehtinen, Liisa Pirjola, Antti Lauri and Markku Kulmala: Soluble coating of mineral dust aerosols by heterogeneous nucleation: Implications on new particle formation and growth Report Series in Aerosol Science, Vol 59, pp. 162-165, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 7. Hannele Korhonen, Kari E.J. Lehtinen, Liisa Pirjola, Ismo Napari, Hanna Vehkam¨aki, Madis Noppel and Markku Kulmala: Applicability of different nucleation models and size distribution representations for simulating atmospheric new particle formation Report Series in Aerosol Science, Vol 59, pp. 158-161, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 6. Joonas Merikanto, Hanna Vehkam¨aki and Evgeni Zapadinsky: Monte Carlo simulation of nucleation of water Report Series in Aerosol Science, Vol 59, pp. 125-128, 2003. (Research Unit

List of publications Hanna Vehkam¨aki

72

of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 5. Evgeni Zapadinsky, Hanna Vehkam¨aki and Markku Kulmala: Monte Carlo simulations and homogeneous nucleation Report Series in Aerosol Science, Vol 59, pp. 122-124, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 4. Ismo Napari, Hanna Vehkam¨aki and Kari Laasonen: Molecular dynamics simulations of molecule-cluster collision processes Report Series in Aerosol Science, Vol 59, pp.119-121, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 3. Ismo Napari, Markku Kulmala and Hanna Vehkam¨aki: Ternary nucleation of inorganic acids, ammonia, and water Report Series in Aerosol Science, Vol 59, pp. 113-115, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 2. Anca Gaman, Hanna Vehkam¨aki, Ismo Napari, Ari Laaksonen and Markku Kulmala: Modelling study of secondary organic aerosol formation - binary nucleation Report Series in Aerosol Science, Vol 59, pp. 107-112, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003) 1. Hanna Vehkam¨aki, Ismo Napari, Kari E.J. Lehtinen, Joonas Merikanto, Antti J. Lauri, Evgeni Zapadinsky, K. Laasonen, M. Noppel, A. Laaksonen and M. Kulmala: Theoretical studies of multicomponent nucleation mechanisms in the atmosphere Report Series in Aerosol Science, Vol 59, pp. 103-106, 2003. (Research Unit of Physics, Chemistry and Biology of Atmsopheric Composition and Climate Change: Progress Report and Prooceedings of Seminar in Hyyti¨al¨a 12.-14.3.2003)

4

Edited research monographs 3. Jaana B¨ack, Hanna Vehkam¨aki and Timo Vesala (Eds.): Proceedings of Biosphere-atmopshere studies. Workshop organized

List of publications Hanna Vehkam¨aki

73

by the REBECCA and URPO research consortia, Helsinki 20.4. 2007. Report Series in Aerosol Science, 87, 52 pages, Finnish Association for Aerosol Research 2007. 2. Hanna Vehkam¨aki, Tommi Bergman, Jan Julin, Martta Salonen and Markku Kulmala (Eds): Proceedings of NOSA 2006 Aerosol symposium combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACC workshop, Helsinki 8.-10.11.2006, Report Series in Aerosol Science, 83, 423 pages, Finnish Association for Aerosol Research 2006. 1. Hanna Vehkam¨aki and Timo Vesala (Eds): Proceedings of the Symposium on Atmospheric Aerosols and Trace Gas Exchange Research 31..10.2002 (Helsinki University Environmental Research Unit), Report Series in Aerosol Science, 58, 52 pages, Finnish Association for Aerosol Research 2002.

5

Tutkimusraportit, yleistajuiset artikkelit yms. /Research reports etc.

12. Article to Ilmasuojelu, Magazine of the Air Pollution Prevention Society, ’Ilmakeh¨an pienimpien hiukkasten syntyj¨a syvi¨a’ (’Origins of the smallest particles in the air’), 1/2014 11. Article to LUMA-news (LUMA is an umbrella organization for the collaboration of schools, universities and business sector, with the aim to promote and support life-long learning, studying and teaching of STEM subjects on all levels of education) ’Nykyfyysikon kyn¨ast¨a: Myyttej¨a ja p¨aiv¨a professorin el¨am¨ast¨a’ (’From a pen of a contemporary physicist: Myths and a day in professors life’), 2.4.2014 10. Article on Gustaf Dal´en, Nobel Laureate in Physics 1912, and his lighthouse related inventions, s in the Arkhimedes magazine 2/2012 and S¨odersk¨ar-newspaper. 9. Review of the Opera ’Doctor Atomic’: Claus Montonen, Tommi Tenkanen and Hanna Vehkam¨aki. Arkhimedes magazine 1/2012 8. Contribution to the ’Tieteest¨a kysymys’ (’Question about science’) column in the Finnish newspaper Helsingin Sanomat 29.11.2011. (If you drilled a hole to the centre of the Earth, what would be the air pressure at the bottom of that hole?) 7. Hanna Vehkam¨aki ja Minna Palmroth: Minna ja Hanna Erkki¨a kosimassa Arkhimedes 6/2010

List of publications Hanna Vehkam¨aki

74

6. Hanna Vehkam¨aki. Kehdosta tieteen huipulle: Douglas Worsnop. Arkhimedes 4/2010 5. Hanna Vehkam¨aki. Millainen on ensimm¨aisen Aalto-professorin Risto Niemisen el¨am¨antarina? Arkhimedes 2/2010 4. Hanna Vehkam¨aki. Kolumni: Vanha noita. Arkhimedes 1/2010 3. Contribution to the ’Ask whatever you want, experts answer’ column in the Finnish popular Science magazine Tiede 9/2008. (Why do tiny bubbles from in a glass of water left on a bedside table overnight) 2. Niemi, J.V., Saarikoski, S., Aurela, M., Tervahattu, H., Hillamo, R., Luoto, T., Aarnio, P., Koskentalo, T., Makkonen, U., Martikainen, J., Vehkam¨aki,H., Hussein, T. and Kulmala, M. 2006. Pienhiukkasten kaukokulkeumaepisodit Etel¨a-Suomessa jaksolla 1999-2005. P¨a¨akaupunkiseudun julkaisusarja PJS B 2006:18. P¨a¨akaupunkiseudun yhteisty¨ovaltuuskunta (YTV), Helsinki. 41 s. + 3 liitett¨a. ISBN 951-798-614-9,ISSN 0357-5470. (Long-range transport episodes of fine aerosol particles in southern Finland during 1999-2005. (in Finnish with an English abstract). The Helsinki Metropolitan Area Publication Series PJS B 2006:18. 41 pages. Helsinki Metropolitan Area Council (YTV), Helsinki. ISBN 951-798-614-9,ISSN 0357-5470.) 1. Jarkko Niemi, Heikki Tervahattu, Tarja Koskentalo, Markus Sillanp¨a¨a, Risto Hillamo, Markku Kulmala and Hanna Vehkam¨aki: Hiukkasten kaukokulkeumaepisodit Suomessa maalis- ja elokuussa 2002. YTV P¨a¨akaupunkiseudun julkaisusarja B 2003:10.