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Comprehensive molecular characterization of secondary organic aerosol formation in the atmosphere

Total Cost €


EC-Contrib. €






Project "COALA" data sheet

The following table provides information about the project.


Organization address
postcode: 14

contact info
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 Coordinator Country Finland [FI]
 Project website
 Total cost 1˙892˙221 €
 EC max contribution 1˙892˙221 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2015
 Duration (year-month-day) from 2015-03-01   to  2020-02-29


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# participants  country  role  EC contrib. [€] 


 Project objective

Key words: Atmospheric secondary organic aerosol, chemical ionization mass spectrometry

The increase in anthropogenic atmospheric aerosol since the industrial revolution has considerably mitigated the global warming caused by concurrent anthropogenic greenhouse gas emissions. However, the uncertainty in the magnitude of the aerosol climate influence is larger than that of any other man-made climate-perturbing component.

Secondary organic aerosol (SOA) is one of the most prominent aerosol types, yet a detailed mechanistic understanding of its formation process is still lacking. We recently presented the ground-breaking discovery of a new important compound group in our publication in Nature: a prompt and abundant source of extremely low-volatility organic compounds (ELVOC), able to explain the majority of the SOA formed from important atmospheric precursors.

Quantifying the atmospheric role of ELVOCs requires further focused studies and I will start a research group with the main task of providing a comprehensive, quantitative and mechanistic understanding of the formation and evolution of SOA. Our recent discovery of an important missing component of SOA highlights the need for comprehensive chemical characterization of both the gas and particle phase composition.

This project will use state-of-the-art chemical ionization mass spectrometry (CIMS), which was critical also in the detection of the ELVOCs. We will extend the applicability of CIMS techniques and conduct innovative experiments in both laboratory and field settings using a novel suite of instrumentation to achieve the goals set out in this project.

We will provide unprecedented insights into the compounds and mechanisms producing SOA, helping to decrease the uncertainties in assessing the magnitude of aerosol effects on climate. Anthropogenic SOA contributes strongly to air quality deterioration as well and therefore our results will find direct applicability also in this extremely important field.


year authors and title journal last update
List of publications.
2018 Lei Yao, Olga Garmash, Federico Bianchi, Jun Zheng, Chao Yan, Jenni Kontkanen, Heikki Junninen, Stephany Buenrostro Mazon, Mikael Ehn, Pauli Paasonen, Mikko Sipilä, Mingyi Wang, Xinke Wang, Shan Xiao, Hangfei Chen, Yiqun Lu, Bowen Zhang, Dongfang Wang, Qingyan Fu, Fuhai Geng, Li Li, Hongli Wang, Liping Qiao, Xin Yang, Jianmin Chen, Veli-Matti Kerminen, Tuukka Petäjä, Douglas R. Worsnop, Markku
Atmospheric new particle formation from sulfuric acid and amines in a Chinese megacity
published pages: 278-281, ISSN: 0036-8075, DOI: 10.1126/science.aao4839
Science 361/6399 2019-10-28
2018 Liqing Hao, Olga Garmash, Mikael Ehn, Pasi Miettinen, Paola Massoli, Santtu Mikkonen, Tuija Jokinen, Pontus Roldin, Pasi Aalto, Taina Yli-Juuti, Jorma Joutsensaari, Tuukka Petäjä, Markku Kulmala, Kari E. J. Lehtinen, Douglas R. Worsnop, Annele Virtanen
Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods
published pages: 17705-17716, ISSN: 1680-7324, DOI: 10.5194/acp-18-17705-2018
Atmospheric Chemistry and Physics 18/23 2019-10-28
2019 Pontus Roldin, Mikael Ehn, Theo Kurtén, Tinja Olenius, Matti P. Rissanen, Nina Sarnela, Jonas Elm, Pekka Rantala, Liqing Hao, Noora Hyttinen, Liine Heikkinen, Douglas R. Worsnop, Lukas Pichelstorfer, Carlton Xavier, Petri Clusius, Emilie Öström, Tuukka Petäjä, Markku Kulmala, Hanna Vehkamäki, Annele Virtanen, Ilona Riipinen, Michael Boy
The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-12338-8
Nature Communications 10/1 2019-10-28
2018 Qiaozhi Zha, Chao Yan, Heikki Junninen, Matthieu Riva, Nina Sarnela, Juho Aalto, Lauriane Quéléver, Simon Schallhart, Lubna Dada, Liine Heikkinen, Otso Peräkylä, Jun Zou, Clémence Rose, Yonghong Wang, Ivan Mammarella, Gabriel Katul, Timo Vesala, Douglas R. Worsnop, Markku Kulmala, Tuukka Petäjä, Federico Bianchi, Mikael Ehn
Vertical characterization of highly oxygenated molecules (HOMs) below and above a boreal forest canopy
published pages: 17437-17450, ISSN: 1680-7324, DOI: 10.5194/acp-18-17437-2018
Atmospheric Chemistry and Physics 18/23 2019-10-28
2018 Michael J. Lawler, Matti P. Rissanen, Mikael Ehn, R. Lee Mauldin, Nina Sarnela, Mikko Sipilä, James N. Smith
Evidence for Diverse Biogeochemical Drivers of Boreal Forest New Particle Formation
published pages: 2038-2046, ISSN: 0094-8276, DOI: 10.1002/2017gl076394
Geophysical Research Letters 45/4 2019-10-28
2019 Lauriane L. J. Quéléver, Kasper Kristensen, Louise Normann Jensen, Bernadette Rosati, Ricky Teiwes, Kaspar R. Daellenbach, Otso Peräkylä, Pontus Roldin, Rossana Bossi, Henrik B. Pedersen, Marianne Glasius, Merete Bilde, Mikael Ehn
Effect of temperature on the formation of highly oxygenated organic molecules (HOMs) from alpha-pinene ozonolysis
published pages: 7609-7625, ISSN: 1680-7324, DOI: 10.5194/acp-19-7609-2019
Atmospheric Chemistry and Physics 19/11 2019-10-28
2019 M. Riva, L. Heikkinen, D. M. Bell, O. Peräkylä, Q. Zha, S. Schallhart, M. P. Rissanen, D. Imre, T. Petäjä, J. A. Thornton, A. Zelenyuk, M. Ehn
Chemical transformations in monoterpene-derived organic aerosol enhanced by inorganic composition
published pages: , ISSN: 2397-3722, DOI: 10.1038/s41612-018-0058-0
npj Climate and Atmospheric Science 2/1 2019-10-28
2019 Mikko Äijälä, Kaspar R. Daellenbach, Francesco Canonaco, Liine Heikkinen, Heikki Junninen, Tuukka Petäjä, Markku Kulmala, André S. H. Prévôt, Mikael Ehn
Constructing a data-driven receptor model for organic and inorganic aerosol – a synthesis analysis of eight mass spectrometric data sets from a boreal forest site
published pages: 3645-3672, ISSN: 1680-7324, DOI: 10.5194/acp-19-3645-2019
Atmospheric Chemistry and Physics 19/6 2019-10-28
2019 Matthieu Riva, Pekka Rantala, Jordan E. Krechmer, Otso Peräkylä, Yanjun Zhang, Liine Heikkinen, Olga Garmash, Chao Yan, Markku Kulmala, Douglas Worsnop, Mikael Ehn
Evaluating the performance of five different chemical ionization techniques for detecting gaseous oxygenated organic species
published pages: 2403-2421, ISSN: 1867-8548, DOI: 10.5194/amt-12-2403-2019
Atmospheric Measurement Techniques 12/4 2019-10-28
2019 Gordon McFiggans, Thomas F. Mentel, Jürgen Wildt, Iida Pullinen, Sungah Kang, Einhard Kleist, Sebastian Schmitt, Monika Springer, Ralf Tillmann, Cheng Wu, Defeng Zhao, Mattias Hallquist, Cameron Faxon, Michael Le Breton, Åsa M. Hallquist, David Simpson, Robert Bergström, Michael E. Jenkin, Mikael Ehn, Joel A. Thornton, M. Rami Alfarra, Thomas J. Bannan, Carl J. Percival, Michael Priestley, D
Secondary organic aerosol reduced by mixture of atmospheric vapours
published pages: 587-593, ISSN: 0028-0836, DOI: 10.1038/s41586-018-0871-y
Nature 565/7741 2019-10-28
2018 Chao Yan, Lubna Dada, Clémence Rose, Tuija Jokinen, Wei Nie, Siegfried Schobesberger, Heikki Junninen, Katrianne Lehtipalo, Nina Sarnela, Ulla Makkonen, Olga Garmash, Yonghong Wang, Qiaozhi Zha, Pauli Paasonen, Federico Bianchi, Mikko Sipilä, Mikael Ehn, Tuukka Petäjä, Veli-Matti Kerminen, Douglas R. Worsnop, Markku Kulmala
The role of H<sub>2</sub>SO<sub>4</sub>-NH<sub>3</sub> anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest
published pages: 13231-13243, ISSN: 1680-7324, DOI: 10.5194/acp-18-13231-2018
Atmospheric Chemistry and Physics 18/17 2019-10-28
2018 Ximeng Qi, Aijun Ding, Pontus Roldin, Zhengning Xu, Putian Zhou, Nina Sarnela, Wei Nie, Xin Huang, Anton Rusanen, Mikael Ehn, Matti P. Rissanen, Tuukka Petäjä, Markku Kulmala, Michael Boy
Modelling studies of HOMs and their contributions to new particle formation and growth: comparison of boreal forest in Finland and a polluted environment in China
published pages: 11779-11791, ISSN: 1680-7324, DOI: 10.5194/acp-18-11779-2018
Atmospheric Chemistry and Physics 18/16 2019-10-28
2018 Nina Sarnela, Tuija Jokinen, Jonathan Duplissy, Chao Yan, Tuomo Nieminen, Mikael Ehn, Siegfried Schobesberger, Martin Heinritzi, Sebastian Ehrhart, Katrianne Lehtipalo, Jasmin Tröstl, Mario Simon, Andreas Kürten, Markus Leiminger, Michael J. Lawler, Matti P. Rissanen, Federico Bianchi, Arnaud P. Praplan, Jani Hakala, Antonio Amorim, Marc Gonin, Armin Hansel, Jasper Kirkby, Josef Dommen, Joachim
Measurement–model comparison of stabilized Criegee intermediate and highly oxygenated molecule production in the CLOUD chamber
published pages: 2363-2380, ISSN: 1680-7324, DOI: 10.5194/acp-18-2363-2018
Atmospheric Chemistry and Physics 18/4 2019-10-28
2018 Katrianne Lehtipalo, Chao Yan, Lubna Dada, Federico Bianchi, Mao Xiao, Robert Wagner, Dominik Stolzenburg, Lauri R. Ahonen, Antonio Amorim, Andrea Baccarini, Paulus S. Bauer, Bernhard Baumgartner, Anton Bergen, Anne-Kathrin Bernhammer, Martin Breitenlechner, Sophia Brilke, Angela Buchholz, Stephany Buenrostro Mazon, Dexian Chen, Xuemeng Chen, Antonio Dias, Josef Dommen, Danielle C. Draper, Jonatha
Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors
published pages: eaau5363, ISSN: 2375-2548, DOI: 10.1126/sciadv.aau5363
Science Advances 4/12 2019-10-28
2019 Federico Bianchi, Theo Kurtén, Matthieu Riva, Claudia Mohr, Matti P. Rissanen, Pontus Roldin, Torsten Berndt, John D. Crounse, Paul O. Wennberg, Thomas F. Mentel, Jürgen Wildt, Heikki Junninen, Tuija Jokinen, Markku Kulmala, Douglas R. Worsnop, Joel A. Thornton, Neil Donahue, Henrik G. Kjaergaard, Mikael Ehn
Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol
published pages: 3472-3509, ISSN: 0009-2665, DOI: 10.1021/acs.chemrev.8b00395
Chemical Reviews 119/6 2019-10-28
2019 Monica Passananti, Evgeni Zapadinsky, Tommaso Zanca, Juha Kangasluoma, Nanna Myllys, Matti P. Rissanen, Theo Kurtén, Mikael Ehn, Michel Attoui, Hanna Vehkamäki
How well can we predict cluster fragmentation inside a mass spectrometer?
published pages: 5946-5949, ISSN: 1359-7345, DOI: 10.1039/c9cc02896j
Chemical Communications 55/42 2019-10-28
2016 Jani Hakala, Jyri Mikkilä, Juan Hong, Mikael Ehn, Tuukka Petäjä
VH-TDMA: A description and verification of an instrument to measure aerosol particle hygroscopicity and volatility
published pages: 97-107, ISSN: 0278-6826, DOI: 10.1080/02786826.2016.1255712
Aerosol Science and Technology 51/1 2019-05-28
2016 Theo Kurtén, Kirsi Tiusanen, Pontus Roldin, Matti Rissanen, Jan-Niclas Luy, Michael Boy, Mikael Ehn, Neil Donahue
α-Pinene Autoxidation Products May Not Have Extremely Low Saturation Vapor Pressures Despite High O:C Ratios
published pages: 2569-2582, ISSN: 1089-5639, DOI: 10.1021/acs.jpca.6b02196
The Journal of Physical Chemistry A 120/16 2019-05-28
2016 M. Dal Maso, L. Liao, J. Wildt, A. Kiendler-Scharr, E. Kleist, R. Tillmann, M. Sipilä, J. Hakala, K. Lehtipalo, M. Ehn, V.-M. Kerminen, M. Kulmala, D. Worsnop, T. Mentel
A chamber study of the influence of boreal BVOC emissions and sulfuric acid on nanoparticle formation rates at ambient concentrations
published pages: 1955-1970, ISSN: 1680-7324, DOI: 10.5194/acp-16-1955-2016
Atmospheric Chemistry and Physics 16/4 2019-05-28
2015 Reddy L. N. Yatavelli, Claudia Mohr, Harald Stark, Douglas A. Day, Samantha L. Thompson, Felipe D. Lopez-Hilfiker, Pedro Campuzano-Jost, Brett B. Palm, Alexander L. Vogel, Thorsten Hoffmann, Liine Heikkinen, Mikko Äijälä, Nga L. Ng, Joel R. Kimmel, Manjula R. Canagaratna, Mikael Ehn, Heikki Junninen, Michael J. Cubison, Tuukka Petäjä, Markku Kulmala, John T. Jayne, Douglas R. Worsnop, Jose L. Jimenez
Estimating the contribution of organic acids to northern hemispheric continental organic aerosol
published pages: 6084-6090, ISSN: 0094-8276, DOI: 10.1002/2015GL064650
Geophysical Research Letters 42/14 2019-05-28
2016 Mikko Sipilä, Nina Sarnela, Tuija Jokinen, Henning Henschel, Heikki Junninen, Jenni Kontkanen, Stefanie Richters, Juha Kangasluoma, Alessandro Franchin, Otso Peräkylä, Matti P. Rissanen, Mikael Ehn, Hanna Vehkamäki, Theo Kurten, Torsten Berndt, Tuukka Petäjä, Douglas Worsnop, Darius Ceburnis, Veli-Matti Kerminen, Markku Kulmala, Colin O’Dowd
Molecular-scale evidence of aerosol particle formation via sequential addition of HIO3
published pages: 532-534, ISSN: 0028-0836, DOI: 10.1038/nature19314
Nature 537/7621 2019-05-28
2017 Mikko Äijälä, Liine Heikkinen, Roman Fröhlich, Francesco Canonaco, André S. H. Prévôt, Heikki Junninen, Tuukka Petäjä, Markku Kulmala, Douglas Worsnop, Mikael Ehn
Resolving anthropogenic aerosol pollution types – deconvolution and exploratory classification of pollution events
published pages: 3165-3197, ISSN: 1680-7324, DOI: 10.5194/acp-17-3165-2017
Atmospheric Chemistry and Physics 17/4 2019-05-28
2017 Sainan Wang, Runrun Wu, Torsten Berndt, Mikael Ehn, Liming Wang
Formation of Highly Oxidized Radicals and Multifunctional Products from the Atmospheric Oxidation of Alkylbenzenes
published pages: 8442-8449, ISSN: 0013-936X, DOI: 10.1021/acs.est.7b02374
Environmental Science & Technology 51/15 2019-05-28
2017 Tuija Jokinen, Jenni Kontkanen, Katrianne Lehtipalo, Hanna E. Manninen, Juho Aalto, Albert Porcar-Castell, Olga Garmash, Tuomo Nieminen, Mikael Ehn, Juha Kangasluoma, Heikki Junninen, Janne Levula, Jonathan Duplissy, Lauri R. Ahonen, Pekka Rantala, Liine Heikkinen, Chao Yan, Mikko Sipilä, Douglas R. Worsnop, Jaana Bäck, Tuukka Petäjä, Veli-Matti Kerminen, Markku Kulmala
Solar eclipse demonstrating the importance of photochemistry in new particle formation
published pages: 45707, ISSN: 2045-2322, DOI: 10.1038/srep45707
Scientific Reports 7 2019-05-28
2017 Juan Hong, Mikko Äijälä, Silja A. K. Häme, Liqing Hao, Jonathan Duplissy, Liine M. Heikkinen, Wei Nie, Jyri Mikkilä, Markku Kulmala, Nønne L. Prisle, Annele Virtanen, Mikael Ehn, Pauli Paasonen, Douglas R. Worsnop, Ilona Riipinen, Tuukka Petäjä, Veli-Matti Kerminen
Estimates of the organic aerosol volatility in a boreal forest using two independent methods
published pages: 4387-4399, ISSN: 1680-7324, DOI: 10.5194/acp-17-4387-2017
Atmospheric Chemistry and Physics 17/6 2019-05-28
2017 Mikael Ehn, Torsten Berndt, Jürgen Wildt, Thomas Mentel
Highly Oxygenated Molecules from Atmospheric Autoxidation of Hydrocarbons: A Prominent Challenge for Chemical Kinetics Studies
published pages: 821-831, ISSN: 0538-8066, DOI: 10.1002/kin.21130
International Journal of Chemical Kinetics 49/11 2019-05-28
2015 Tuija Jokinen, Torsten Berndt, Risto Makkonen, Veli-Matti Kerminen, Heikki Junninen, Pauli Paasonen, Frank Stratmann, Hartmut Herrmann, Alex B. Guenther, Douglas R. Worsnop, Markku Kulmala, Mikael Ehn, Mikko Sipilä
Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications
published pages: 7123-7128, ISSN: 0027-8424, DOI: 10.1073/pnas.1423977112
Proceedings of the National Academy of Sciences 112/23 2019-05-28
2016 Chao Yan, Wei Nie, Mikko Äijälä, Matti P. Rissanen, Manjula R. Canagaratna, Paola Massoli, Heikki Junninen, Tuija Jokinen, Nina Sarnela, Silja A. K. Häme, Siegfried Schobesberger, Francesco Canonaco, Lei Yao, André S. H. Prévôt, Tuukka Petäjä, Markku Kulmala, Mikko Sipilä, Douglas R. Worsnop, Mikael Ehn
Source characterization of highly oxidized multifunctional compounds in a boreal forest environment using positive matrix factorization
published pages: 12715-12731, ISSN: 1680-7324, DOI: 10.5194/acp-16-12715-2016
Atmospheric Chemistry and Physics 16/19 2019-05-28
2015 J. Hong, J. Kim, T. Nieminen, J. Duplissy, M. Ehn, M. Äijälä, L. Q. Hao, W. Nie, N. Sarnela, N. L. Prisle, M. Kulmala, A. Virtanen, T. Petäjä, V.-M. Kerminen
Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment
published pages: 11999-12009, ISSN: 1680-7324, DOI: 10.5194/acp-15-11999-2015
Atmospheric Chemistry and Physics 15/20 2019-05-28
2017 Taina Yli-Juuti, Aki Pajunoja, Olli-Pekka Tikkanen, Angela Buchholz, Celia Faiola, Olli Väisänen, Liqing Hao, Eetu Kari, Otso Peräkylä, Olga Garmash, Manabu Shiraiwa, Mikael Ehn, Kari Lehtinen, Annele Virtanen
Factors controlling the evaporation of secondary organic aerosol from α-pinene ozonolysis
published pages: , ISSN: 0094-8276, DOI: 10.1002/2016GL072364
Geophysical Research Letters 2019-05-28
2017 Emilie Öström, Zhou Putian, Guy Schurgers, Mikhail Mishurov, Niku Kivekäs, Heikki Lihavainen, Mikael Ehn, Matti P. Rissanen, Theo Kurtén, Michael Boy, Erik Swietlicki, Pontus Roldin
Modeling the role of highly oxidized multifunctional organic molecules for the growth of new particles over the boreal forest region
published pages: 8887-8901, ISSN: 1680-7324, DOI: 10.5194/acp-17-8887-2017
Atmospheric Chemistry and Physics 17/14 2019-05-28
2015 P. Roldin, L. Liao, D. Mogensen, M. Dal Maso, A. Rusanen, V.-M. Kerminen, T. F. Mentel, J. Wildt, E. Kleist, A. Kiendler-Scharr, R. Tillmann, M. Ehn, M. Kulmala, M. Boy
Modelling the contribution of biogenic volatile organic compounds to new particle formation in the Jülich plant atmosphere chamber
published pages: 10777-10798, ISSN: 1680-7324, DOI: 10.5194/acp-15-10777-2015
Atmospheric Chemistry and Physics 15/18 2019-05-28
2016 Jennifer A. Faust, Heikki Junninen, Mikael Ehn, Xuemeng Chen, Kai Ruusuvuori, Antti-Jussi Kieloaho, Jaana Bäck, Anne Ojala, Tuija Jokinen, Douglas R. Worsnop, Markku Kulmala, Tuukka Petäjä
Real-Time Detection of Arsenic Cations from Ambient Air in Boreal Forest and Lake Environments
published pages: 42-46, ISSN: 2328-8930, DOI: 10.1021/acs.estlett.5b00308
Environmental Science & Technology Letters 3/2 2019-05-28
2015 Theo Kurtén, Matti P. Rissanen, Kasper Mackeprang, Joel A. Thornton, Noora Hyttinen, Solvejg Jørgensen, Mikael Ehn, Henrik G. Kjaergaard
Computational Study of Hydrogen Shifts and Ring-Opening Mechanisms in α-Pinene Ozonolysis Products
published pages: 11366-11375, ISSN: 1089-5639, DOI: 10.1021/acs.jpca.5b08948
The Journal of Physical Chemistry A 119/46 2019-05-28
2017 Robert Wagner, Chao Yan, Katrianne Lehtipalo, Jonathan Duplissy, Tuomo Nieminen, Juha Kangasluoma, Lauri R. Ahonen, Lubna Dada, Jenni Kontkanen, Hanna E. Manninen, Antonio Dias, Antonio Amorim, Paulus S. Bauer, Anton Bergen, Anne-Kathrin Bernhammer, Federico Bianchi, Sophia Brilke, Stephany Buenrostro Mazon, Xuemeng Chen, Danielle C. Draper, Lukas Fischer, Carla Frege, Claudia Fuchs, Olga Garmash, Hamish Gordon, Jani Hakala, Liine Heikkinen, Martin Heinritzi, Victoria Hofbauer, Christopher R. Hoyle, Jasper Kirkby, Andreas Kürten, Alexander N. Kvashnin, Tiia Laurila, Michael J. Lawler, Huajun Mai, Vladimir Makhmutov, Roy L. Mauldin III, Ugo Molteni, Leonid Nichman, Wei Nie, Andrea Ojdanic, Antti Onnela, Felix Piel, Lauriane L. J. Quéléver, Matti P. Rissanen, Nina Sarnela, Simon Schallhart, Kamalika Sengupta, Mario Simon, Dominik Stolzenburg, Yuri Stozhkov, Jasmin Tröstl, Yrjö Viisanen, Alexander L. Vogel, Andrea C. Wagner, Mao Xiao, Penglin Ye, Urs Baltensperger, Joachim Curtius, Neil M. Donahue, Richard C. Flagan, Martin Gallagher, Armin Hansel, James N. Smith, António Tomé, Paul M. Winkler, Douglas Worsnop, Mikael Ehn, Mikko Sipilä, Veli-Matti Kerminen, Tuukka Petäjä, Markku Kulmala
The role of ions in new particle formation in the CLOUD chamber
published pages: 15181-15197, ISSN: 1680-7324, DOI: 10.5194/acp-17-15181-2017
Atmospheric Chemistry and Physics 17/24 2019-05-28
2015 Noora Hyttinen, Oona Kupiainen-Määttä, Matti P. Rissanen, Mikko Muuronen, Mikael Ehn, Theo Kurtén
Modeling the Charging of Highly Oxidized Cyclohexene Ozonolysis Products Using Nitrate-Based Chemical Ionization
published pages: 6339-6345, ISSN: 1089-5639, DOI: 10.1021/acs.jpca.5b01818
The Journal of Physical Chemistry A 119/24 2019-05-28
2017 Geoffroy Duporté, Matthieu Riva, Jevgeni Parshintsev, Enna Heikkinen, Luís M. F. Barreira, Nanna Myllys, Liine Heikkinen, Kari Hartonen, Markku Kulmala, Mikael Ehn, Marja-Liisa Riekkola
Chemical Characterization of Gas- and Particle-Phase Products from the Ozonolysis of α-Pinene in the Presence of Dimethylamine
published pages: 5602-5610, ISSN: 0013-936X, DOI: 10.1021/acs.est.6b06231
Environmental Science & Technology 51/10 2019-05-28
2017 Wei Nie, Juan Hong, Silja A. K. Häme, Aijun Ding, Yugen Li, Chao Yan, Liqing Hao, Jyri Mikkilä, Longfei Zheng, Yuning Xie, Caijun Zhu, Zheng Xu, Xuguang Chi, Xin Huang, Yang Zhou, Peng Lin, Annele Virtanen, Douglas R. Worsnop, Markku Kulmala, Mikael Ehn, Jianzhen Yu, Veli-Matti Kerminen, Tuukka Petäjä
Volatility of mixed atmospheric humic-like substances and ammonium sulfate particles
published pages: 3659-3672, ISSN: 1680-7324, DOI: 10.5194/acp-17-3659-2017
Atmospheric Chemistry and Physics 17/5 2019-05-28
2017 Julia Schmale, Silvia Henning, Bas Henzing, Helmi Keskinen, Karine Sellegri, Jurgita Ovadnevaite, Aikaterini Bougiatioti, Nikos Kalivitis, Iasonas Stavroulas, Anne Jefferson, Minsu Park, Patrick Schlag, Adam Kristensson, Yoko Iwamoto, Kirsty Pringle, Carly Reddington, Pasi Aalto, Mikko Äijälä, Urs Baltensperger, Jakub Bialek, Wolfram Birmili, Nicolas Bukowiecki, Mikael Ehn, Ann Mari Fjæraa, Markus Fiebig, Göran Frank, Roman Fröhlich, Arnoud Frumau, Masaki Furuya, Emanuel Hammer, Liine Heikkinen, Erik Herrmann, Rupert Holzinger, Hiroyuki Hyono, Maria Kanakidou, Astrid Kiendler-Scharr, Kento Kinouchi, Gerard Kos, Markku Kulmala, Nikolaos Mihalopoulos, Ghislain Motos, Athanasios Nenes, Colin O’Dowd, Mikhail Paramonov, Tuukka Petäjä, David Picard, Laurent Poulain, André Stephan Henry Prévôt, Jay Slowik, Andre Sonntag, Erik Swietlicki, Birgitta Svenningsson, Hiroshi Tsurumaru, Alfred Wiedensohler, Cerina Wittbom, John A. Ogren, Atsushi Matsuki, Seong Soo Yum, Cathrine Lund Myhre, Ken Carslaw, Frank Stratmann, Martin Gysel
Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition
published pages: 170003, ISSN: 2052-4463, DOI: 10.1038/sdata.2017.3
Scientific Data 4 2019-05-28
2015 A. P. Praplan, S. Schobesberger, F. Bianchi, M. P. Rissanen, M. Ehn, T. Jokinen, H. Junninen, A. Adamov, A. Amorim, J. Dommen, J. Duplissy, J. Hakala, A. Hansel, M. Heinritzi, J. Kangasluoma, J. Kirkby, M. Krapf, A. Kürten, K. Lehtipalo, F. Riccobono, L. Rondo, N. Sarnela, M. Simon, A. Tomé, J. Tröstl, P. M. Winkler, C. Williamson, P. Ye, J. Curtius, U. Baltensperger, N. M. Donahue, M. Kulmala, D. R. Worsnop
Elemental composition and clustering behaviour of α-pinene oxidation products for different oxidation conditions
published pages: 4145-4159, ISSN: 1680-7324, DOI: 10.5194/acp-15-4145-2015
Atmospheric Chemistry and Physics 15/8 2019-05-28
2015 F. D. Lopez-Hilfiker, C. Mohr, M. Ehn, F. Rubach, E. Kleist, J. Wildt, Th. F. Mentel, A. J. Carrasquillo, K. E. Daumit, J. F. Hunter, J. H. Kroll, D. R. Worsnop, J. A. Thornton
Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds
published pages: 7765-7776, ISSN: 1680-7324, DOI: 10.5194/acp-15-7765-2015
Atmospheric Chemistry and Physics 15/14 2019-05-28
2015 T. F. Mentel, M. Springer, M. Ehn, E. Kleist, I. Pullinen, T. Kurtén, M. Rissanen, A. Wahner, J. Wildt
Formation of highly oxidized multifunctional compounds: autoxidation of peroxy radicals formed in the ozonolysis of alkenes – deduced from structure–product relationships
published pages: 6745-6765, ISSN: 1680-7324, DOI: 10.5194/acp-15-6745-2015
Atmospheric Chemistry and Physics 15/12 2019-05-28
2016 Torsten Berndt, Stefanie Richters, Tuija Jokinen, Noora Hyttinen, Theo Kurtén, Rasmus V. Otkjær, Henrik G. Kjaergaard, Frank Stratmann, Hartmut Herrmann, Mikko Sipilä, Markku Kulmala, Mikael Ehn
Hydroxyl radical-induced formation of highly oxidized organic compounds
published pages: 13677, ISSN: 2041-1723, DOI: 10.1038/ncomms13677
Nature Communications 7 2019-05-28

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