
Annele Virtanen
Professor
Department of Technical Physics, Faculty of Science, Forestry and Technology
[email protected] | +358 50 316 4118
Head of the Aerosol Physics Research Group: http://www.uef.fi/aerosol/
I received my PhD in Tampere University of Technology (TUT, Department of Physics) 2004. After that I continued working as a postdoc and group leader at TUT. On January 2012 I moved to University of Eastern Finland (UEF) to lead the Aerosol Physics Laboratory. I have a strong background in measurement method development and applications related to atmospheric aerosols. My major research questions are related to the atmospheric aerosols: how they form, what are their properties and what is the role they play in the Earth’s climate through their interactions with water vapour. To study these questions in a comprehensive way I have established a wide international collaborative networks and consistently developed our own research infrastructure at UEF.
Major part of my research is funded by EU Framework program (e.g. project FORCeS, EUROCHAMP2020, ERC Starting Grant project QAPPA) and Academy of Finland.
Research groups
Publications
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High sensitivity of cloud formation to aerosol changes
Virtanen, Annele; Joutsensaari, Jorma; Kokkola, Harri; Partridge, Daniel G; Blichner, Sara; Seland, Oyvind; Holopainen, Eemeli; Tovazzi, Emanuele; Lipponen, Antti; Mikkonen, Santtu; Leskinen, Ari; Hyvaerinen, Antti-Pekka; Zieger, Paul; Krejci, Radovan; Ekman, Annica M L; Riipinen, Ilona; Quaas, Johannes; Romakkaniemi, Sami. 2025. Nature geoscience. 18: 289-295 A1 Journal article (refereed), original research -
Organic aerosol enhances boreal forest photosynthesis under cumulus clouds
Ezhova, Ekaterina; Aarne, Aino; Arola, Antti; Lipponen, Antti; Lintunen, Anna; Kokkola, Harri; Ylivinkka, Ilona; Yli-Juuti, Taina; Petäjä, Tuukka; Kerminen, Veli Matti; Virtanen, Annele; Kulmala, Markku. 2025. Communications earth & environment. 6: . 576 A1 Journal article (refereed), original research -
A model study investigating the sensitivity of aerosol forcing to the volatilities of semi-volatile organic compounds
Irfan, Muhammed; Kühn, Thomas; Yli-Juuti, Taina; Laakso, Anton; Holopainen, Eemeli; Worsnop, Douglas R.; Virtanen, Annele; Kokkola, Harri. 2024. Atmospheric chemistry and physics. 24: 8489-8506 A1 Journal article (refereed), original research -
Biogenic secondary organic aerosol participates in plant interactions and herbivory defense
Yu, Hao; Buchholz, Angela; Pullinen, Iida; Saarela, Silja; Li, Zijun; Virtanen, Annele; Blande, James D.. 2024. Science. 385: 1225-1230 A1 Journal article (refereed), original research -
Direct mitigation of secondary organic aerosol particulate pollutants by multiphase photocatalysis
Hao, Liqing; Li, Zijun; Yli-Juuti, Taina; Ylisirniö, Arttu; Pullinen, Iida; Miettinen, Pasi; Xu, Wujun; Lehto, Vesa Pekka; Worsnop, Douglas R; Virtanen, Annele. 2024. Science of the total environment. 923: . 171323 A1 Journal article (refereed), original research -
Effect of Long‐Range Transported Fire Aerosols on Cloud Condensation Nuclei Concentrations and Cloud Properties at High Latitudes
Kommula, S. M.; Buchholz, A.; Gramlich, Y.; Mielonen, T.; Hao, L.; Pullinen, I.; Vettikkat, L.; Ylisirniö, A.; Joutsensaari, J.; Schobesberger, S.; Tiitta, P.; Leskinen, A.; Hesslin‐Rees, D.; Haslett, S. L.; Siegel, K.; Lunder, C.; Zieger, P.; Krejci, R.; Romakkaniemi, S.; Mohr, C.; Virtanen, A.. 2024. Geophysical research letters. 51: . e2023GL107134 A1 Journal article (refereed), original research -
Impact of Biomass Burning on Arctic Aerosol Composition
Gramlich, Yvette; Siegel, Karolina; Haslett, Sophie L; Cremer, Roxana S; Lunder, Chris; Kommula, Snehitha M; Buchholz, Angela; Yttri, Karl Espen; Chen, Gang; Krejci, Radovan; Zieger, Paul; Virtanen, Annele; Riipinen, Ilona; Mohr, Claudia. 2024. ACS earth and space chemistry. 8: 920-936 A1 Journal article (refereed), original research -
Process-evaluation of forest aerosol-cloud-climate feedback shows clear evidence from observations and large uncertainty in models
Blichner, Sara M; Yli-Juuti, Taina; Mielonen, Tero; Pöhlker, Christopher; Holopainen, Eemeli; Heikkinen, Liine; Mohr, Claudia; Artaxo, Paulo; Carbone, Samara; Meller, Bruno Backes; Quaresma Dias-Júnior, Cléo; Kulmala, Markku; Petäjä, Tuukka; Scott, Catherine E; Svenhag, Carl; Nieradzik, Lars; Sporre, Moa; Partridge, Daniel G; Tovazzi, Emanuele; Virtanen, Annele; Kokkola, Harri; Riipinen, Ilona. 2024. Nature communications. 15: . 969 A1 Journal article (refereed), original research -
Atmospheric new particle formation from the CERN CLOUD experiment
Kirkby, Jasper; Amorim, António; Baltensperger, Urs; Carslaw, Kenneth S; Christoudias, Theodoros; Curtius, Joachim; Donahue, Neil M; Haddad, Imad El; Flagan, Richard C; Gordon, Hamish; Hansel, Armin; Harder, Hartwig; Junninen, Heikki; Kulmala, Markku; Kürten, Andreas; Laaksonen, Ari; Lehtipalo, Katrianne; Lelieveld, Jos; Möhler, Ottmar; Riipinen, Ilona; Stratmann, Frank; Tomé, Antonio; Virtanen, Annele; Volkamer, Rainer; Winkler, Paul M; Worsnop, Douglas R. 2023. Nature geoscience. 16: 948-957 A1 Journal article (refereed), original research -
Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions
Li, Zijun; Buchholz, Angela; Barreira, Luis M. F.; Ylisirnio, Arttu; Hao, Liqing; Pullinen, Iida; Schobesberger, Siegfried; Virtanen, Annele. 2023. Atmospheric chemistry and physics. 23: 203-220 A1 Journal article (refereed), original research -
Opinion: The strength of long-Term comprehensive observations to meet multiple grand challenges in different environments and in the atmosphere
Kulmala, Markku; Lintunen, Anna; Lappalainen, Hanna; Virtanen, Annele; Yan, Chao; Ezhova, Ekaterina; Nieminen, Tuomo; Riipinen, Ilona; Makkonen, Risto; Tamminen, Johanna; Sundström, Anu Maija; Arola, Antti; Hansel, Armin; Lehtinen, Kari; Vesala, Timo; Petäjä, Tuukka; Bäck, Jaana; Kokkonen, Tom; Kerminen, Veli Matti. 2023. Atmospheric chemistry and physics. 23: 14949-14971 A1 Journal article (refereed), original research -
Sink, Source or Something In-Between? Net Effects of Precipitation on Aerosol Particle Populations
Khadir, Théodore; Riipinen, Ilona; Talvinen, Sini; Heslin-Rees, Dominic; Pöhlker, Christopher; Rizzo, Luciana; Machado, Luiz AT; Franco, Marco A.; Kremper, Leslie A; Artaxo, Paulo; Petäjä, Tuukka; Kulmala, Markku; Tunved, Peter; Ekman, Annica ML; Krejci, Radovan; Virtanen, Annele. 2023. Geophysical research letters. 50: . e2023GL104325 A1 Journal article (refereed), original research -
The Center of Excellence in Atmospheric Science (2002–2019) — from molecular and biological processes to the global climate
Lintunen, Anna; Aalto, Juho; Asmi, Ari; Aurela, Mika; Bäck, Jaana; Ehn, Mikael; Ezhova, Ekaterina; Hakola, Hannele; Hartonen, Kari; Heinonsalo, Jussi; Hellén, Heidi; Hölttä, Teemu; Jokinen, Tuija; Järvi, Leena; Järvinen, Heikki; Kangasluoma, Juha; Kerminen, Veli Matti; Kolari, Pasi; Köster, Kajar; Köster, Egle; Kulmala, Liisa; Kurten, Theo; Laaksonen, Ari; Lappalainen, Hanna K.; Laurila, Tuomas; Lehtipalo, Katrianne; Lihavainen, Heikki; Lohila, Annalea; Losoi, Mari; Mäkelä, Annikki; Makkonen, Ri. 2023. Boreal environment research. 28: 15-80 A1 Journal article (refereed), original research -
Aerosol–stratocumulus interactions: towards a better process understanding using closures between observations and large eddy simulations
Calderón, Silvia M.; Tonttila, Juha; Buchholz, Angela; Joutsensaari, Jorma; Komppula, Mika; Leskinen, Ari; Hao, Liqing; Moisseev, Dmitri; Pullinen, Iida; Tiitta, Petri; Xu, Jian; Virtanen, Annele; Kokkola, Harri; Romakkaniemi, Sami. 2022. Atmospheric chemistry and physics. 22: 12417-12441 A1 Journal article (refereed), original research -
Comparison of particle number size distribution trends in ground measurements and climate models
Leinonen, Ville; Kokkola, Harri; Yli-Juuti, Taina; Mielonen, Tero; Kühn, Thomas; Nieminen, Tuomo; Heikkinen, Simo; Miinalainen, Tuuli; Bergman, Tommi; Carslaw, Ken; Decesari, Stefano; Fiebig, Markus; Hussein, Tareq; Kivekäs, Niku; Krejci, Radovan; Kulmala, Markku; Leskinen, Ari; Massling, Andreas; Mihalopoulos, Nikos; Mulcahy, Jane P.; Noe, Steffen M.; van Noije, Twan; O'Connor, Fiona M.; O'Dowd, Colin; Olivie, Dirk; Pernov, Jakob B.; Petäjä, Tuukka; Seland, Øyvind; Schulz, Michael; Scott, Cathe. 2022. Atmospheric chemistry and physics. 22: 12873-12905 A1 Journal article (refereed), original research -
Comparison of saturation vapor pressures of α-pinene + O3 oxidation products derived from COSMO-RS computations and thermal desorption experiments
Hyttinen, Noora; Pullinen, Iida; Nissinen, Aki; Schobesberger, Siegfried; Virtanen, Annele; Yli-Juuti, Taina. 2022. Atmospheric chemistry and physics. 22: 1195-1208 A1 Journal article (refereed), original research -
Emissions of biogenic volatile organic compounds from adjacent boreal fen and bog as impacted by vegetation composition
Männistö, Elisa; Ylänne, Henni; Losoi, Mari; Keinänen, Markku; Yli-Pirilä, Pasi; Korrensalo, Aino; Bäck, Jaana; Hellén, Heidi; Virtanen, Annele; Tuittila, Eeva-Stiina. 2022. Science of the total environment. 2023; 858: A1 Journal article (refereed), original research -
Hygroscopicity and CCN potential of DMS-derived aerosol particles
Rosati, Bernadette; Isokääntä, Sini; Christiansen, Sigurd; Jensen, Mads Mørk; Moosakutty, Shamjad P.; Wollesen de Jonge, Robin; Massling, Andreas; Glasius, Marianne; Elm, Jonas; Virtanen, Annele; Bilde, Merete. 2022. Atmospheric chemistry and physics. 22: 13449-13466 A1 Journal article (refereed), original research -
Measurement report: Introduction to the HyICE-2018 campaign for measurements of ice-nucleating particles and instrument inter-comparison in the Hyytiälä boreal forest
Brasseur, Zoé; Castarède, Dimitri; Thomson, Erik S.; Adams, Michael P.; Drossaart van Dusseldorp, Saskia; Heikkilä, Paavo; Korhonen, Kimmo; Lampilahti, Janne; Paramonov, Mikhail; Schneider, Julia; Vogel, Franziska; Wu, Yusheng; Abbatt, Jonathan P. D.; Atanasova, Nina S.; Bamford, Dennis H.; Bertozzi, Barbara; Boyer, Matthew; Brus, David; Daily, Martin I.; Fösig, Romy; Gute, Ellen; Harrison, Alexander D.; Hietala, Paula; Höhler, Kristina; Kanji, Zamin A.; Keskinen, Jorma; Lacher, Larissa; Lampimä. 2022. Atmospheric chemistry and physics. 22: 5117-5145 A1 Journal article (refereed), original research -
Particle emissions from a modern heavy-duty diesel engine as ice nuclei in immersion freezing mode: a laboratory study on fossil and renewable fuels
Korhonen, Kimmo; Kristensen, Thomas Bjerring; Falk, John; Malmborg, Vilhelm B; Eriksson, Axel; Gren, Louise; Novakovic, Maja; Shamun, Sam; Karjalainen, Panu; Markkula, Lassi; Pagels, Joakim; Svenningsson, Birgitta; Tunér, Martin; Komppula, Mika; Laaksonen, Ari; Virtanen, Annele. 2022. Atmospheric chemistry and physics. 22: 1615-1631 A1 Journal article (refereed), original research -
The effect of clouds and precipitation on the aerosol concentrations and composition in a boreal forest environment
Isokääntä, Sini; Kim, Paul; Mikkonen, Santtu; Kühn, Thomas; Kokkola, Harri; Yli-Juuti, Taina; Heikkinen, Liine; Luoma, Krista; Petäjä, Tuukka; Kipling, Zak; Partridge, Daniel; Virtanen, Annele. 2022. Atmospheric chemistry and physics. 22: 11823-11843 A1 Journal article (refereed), original research -
Evolution of volatility and composition in sesquiterpene-mixed and α-pinene secondary organic aerosol particles during isothermal evaporation
Li, Zijun; Buchholz, Angela; Ylisirniö, Arttu; Barreira, Luis; Hao, Liqing; Schobesberger, Siegfried; Yli-Juuti, Taina; Virtanen, Annele. 2021. Atmospheric chemistry and physics. 21: 18283-18302 A1 Journal article (refereed), original research -
Ice nucleation on surrogates of boreal forest SOA particles: effect of water content and oxidative age
Piedehierro, Ana A; Welti, Andre; Buchholz, Angela; Korhonen, Kimmo; Pullinen, Iida; Summanen, Ilkka; Virtanen, Annele; Laaksonen, Ari. 2021. Atmospheric chemistry and physics. 21: 11069-11078 A1 Journal article (refereed), original research -
Immersion Freezing Ability of Freshly Emitted Soot with Various Physico-Chemical Characteristics
Falk, John Korhonen, Kimmo Malmborg, Vilhelm B. Gren, Louise Eriksson, Axel C. Karjalainen, Panu; Markkula, Lassi; Bengtsson, Per-Erik; Virtanen, Annele; Svenningsson, Birgitta; Pagels, Joakim; Kristensen, Thomas B.. 2021. Atmosphere. 12: 1173 A1 Journal article (refereed), original research -
Influence of biogenic emissions from boreal forests on aerosol-cloud interactions
Petäjä, T; Tabakova, K; Manninen, A; Ezhova, E; O'Connor, E; Moisseev, D; Sinclair, VA; Backman, J; Levula, J; Luoma, K; Virkkula, A; Paramonov, M; Räty, M; Äijäla, M; Heikkinen, L; Ehn, M.; Sipilä, M; Yli-Juuti, T; Virtanen, A; Ritsche, M; Hickmon, N; Pulik, G; Rosenfeld, D; Worsnop, DR; Bäck, J; Kulmala, M; Kerminen, V-M. 2021. Nature geoscience. 2022; 15: 42-47 A1 Journal article (refereed), original research -
Observations on aerosol optical properties and scavenging during cloud events
Ruuskanen, Antti; Romakkaniemi, Sami; Kokkola, Harri; Arola, Antti; Mikkonen, Santtu; Portin, Harri; Virtanen, Annele; Lehtinen, Kari EJ; Komppula, Mika; Leskinen, Ari. 2021. Atmospheric chemistry and physics. 21: 1683-1695 A1 Journal article (refereed), original research -
On the calibration of FIGAERO-ToF-CIMS: importance and impact of calibrant delivery for the particle-phase calibration
Ylisirniö, Arttu; Barreira, Luis M. F.; Pullinen, Iida; Buchholz, Angela; Jayne, John; Krechmer, Jordan E.; Worsnop, Douglas R.; Virtanen, Annele; Schobesberger, Siegfried. 2021. Atmospheric measurement techniques. 14: 355-367 A1 Journal article (refereed), original research -
Potential of Climate Change and Herbivory to Affect the Release and Atmospheric Reactions of BVOCs from Boreal and Subarctic Forests
Yu, H; Holopainen, JK; Kivimäenpää, M; Virtanen, A; Blande, JD. 2021. Molecules. 26: 2283 A1 Journal article (refereed), original research -
Significance of the organic aerosol driven climate feedback in the boreal area
Yli-Juuti, Taina; Mielonen, Tero; Heikkinen, Liine; Arola, Antti; Ehn, Mikael; Isokääntä, Sini; Keskinen, Helmi-Marja; Kulmala, Markku; Laakso, Anton; Lipponen, Antti; Luoma, Krista; Mikkonen, Santtu; Nieminen, Tuomo; Paasonen, Pauli; Petäjä, Tuukka; Romakkaniemi, Sami; Tonttila, Juha; Kokkola, Harri; Virtanen, Annele. 2021. Nature communications. 12: 5637 A1 Journal article (refereed), original research -
Ambient Quantification and Size Distributions for Organic Aerosol in Aerosol Mass Spectrometers with the New Capture Vaporizer
Hu, Weiwei; Campuzano-Jost, Pedro; Day, Douglas A; Nault, Benjamin A; Park, Taehyun; Lee, Taehyoung; Pajunoja, Aki; Virtanen, Annele; Croteau, Philip; Canagaratna, Manjula R; Jayne, John T; Worsnop, Douglas; Jimenez, Jose L. 2020. ACS earth and space chemistry. 4: 676-689 A1 Journal article (refereed), original research -
Comparing secondary organic aerosol (SOA) volatility distributions derived from isothermal SOA particle evaporation data and FIGAERO-CIMS measurements
Tikkanen, Olli-Pekka; Buchholz, Angela; Ylisirni, Arttu; Schobesberger, Siegfried; Virtanen, Annele; Yli-Juuti, Taina. 2020. Atmospheric chemistry and physics. 20: 10441-10458 A1 Journal article (refereed), original research -
Comparison of dimension reduction techniques in the analysis of mass spectrometry data
Isokääntä, Sini; Kari, Eetu; Buchholz, Angela; Hao, Liqing; Schobesberger, Siegfried; Virtanen, Annele; Mikkonen, Santtu. 2020. Atmospheric measurement techniques. 13: 2995-3022 A1 Journal article (refereed), original research -
Composition and volatility of secondary organic aerosol (SOA) formed from oxidation of real tree emissions compared to simplified volatile organic compound (VOC) systems
Ylisirniö, Arttu; Buchholz, Angela; Mohr, Claudia; Li, Zijun; Barreira, Luis; Lambe, Andrew; Faiola, Celia; Kari, Eetu; Yli-Juuti, Taina; Nizkorodov, Sergey A; Worsnop, Douglas R; Virtanen, Annele; Schobesberger, Siegfried. 2020. Atmospheric chemistry and physics. 20: 5629-5644 A1 Journal article (refereed), original research -
Deconvolution of FIGAERO-CIMS thermal desorption profiles using positive matrix factorisation to identify chemical and physical processes during particle evaporation
Buchholz, Angela Ylisirniö, Arttu Huang, Wei Mohr, Claudia Canagaratna, Manjula Worsnop, Douglas R. Schobesberger, Siegfried Virtanen, Annele. 2020. Atmospheric chemistry and physics. 20: 7693-7716 A1 Journal article (refereed), original research -
Deposition of α-pinene oxidation products on plant surfaces affects plant VOC emission and herbivore feeding and oviposition
Mofikoya, Adedayo; Yli-Pirilä, Pasi; Kivimäenpää, Minna; Blande, James; Virtanen, Annele; Holopainen, Jarmo. 2020. Environmental pollution. 263: 114437 A1 Journal article (refereed), original research -
Direct contribution of ammonia to [alpha]-pinene secondary organic aerosol formation
Hao, Liqing; Kari, Eetu; Leskinen, Ari; Worsnop, Douglas R; Virtanen, Annele. 2020. Atmospheric chemistry and physics. 20: 14393-14405 A1 Journal article (refereed), original research -
Ice-nucleating ability of particulate emissions from solid-biomass-fired cookstoves: an experimental study
Korhonen, Kimmo; Kristensen, Thomas Bjerring; Falk, John; Lindgren, Robert; Andersen, Christina; Carvalho, Ricardo Luis; Malmborg, Vilhelm; Eriksson, Axel; Boman, Christoffer; Pagels, Joakim; Svenningsson, Birgitta; Komppula, Mika; Lehtinen, Kari E J; Virtanen, Annele. 2020. Atmospheric chemistry and physics. 20: 4951-4968 A1 Journal article (refereed), original research -
Molecular understanding of the suppression of new-particle formation by isoprene
Heinritzi, Martin; Dada, Lubna; Simon, Mario; Stolzenburg, Dominik; Wagner, Andrea C; Fischer, Lukas; Ahonen, Lauri R; Amanatidis, Stavros; Baalbaki, Rima; Baccarini, Andrea; Bauer, Paulus S; Baumgartner, Bernhard; Bianchi, Federico; Brilke, Sophia; Chen, Dexian; Chiu, Randall; Dias, Antonio; Dommen, Josef; Duplissy, Jonathan; Finkenzeller, Henning et al (Incl. Nieminen, Tuomo; Schobesberger, Siegfried; Virtanen, Annele). 2020. Atmospheric chemistry and physics. 20: 11809-11821 A1 Journal article (refereed), original research -
SPIN modification for low-temperature experiments
Welti, André; Korhonen, Kimmo; Miettinen, Pasi; Piedehierro, Ana A; Viisanen, Yrjö; Virtanen, Annele; Laaksonen, Ari. 2020. Atmospheric measurement techniques. 13: 7059-7067 A1 Journal article (refereed), original research -
Size-dependent influence of NOx on the growth rates of organic aerosol particles
Yan, C; Nie, W; Vogel, A L; Dada, L; Lehtipalo, K; Stolzenburg, D; Wagner, R; Rissanen, M P; Xiao, M; Ahonen, L; Fischer, L; Rose, C; Bianchi, F; Gordon, H; Simon, M; Heinritzi, M; Garmash, O; Roldin, P; Dias, A; Ye, P et al incl. [Buchholz, A; Pajunoja A; Virtanen, A; Väisänen, O; Ylisirniö, A]. 2020. Science advances. 6: eaay4945 A1 Journal article (refereed), original research -
Trajectory-based analysis on the source areas and transportation pathways of atmospheric particulate matter over Eastern Finland
Väisänen, Olli; Hao, Liqing; Virtanen, Annele; Romakkaniemi, Sami. 2020. Tellus series b: chemical and physical meteorology. 72: 1799687 A1 Journal article (refereed), original research -
Effect of Decreased Temperature on the Evaporation of α-Pinene Secondary Organic Aerosol Particles
Li, Zijun; Tikkanen, Olli-Pekka; Buchholz, Angela; Hao, Liqing; Kari, Eetu; Yli-Juuti, Taina; Virtanen, Annele. 2019. ACS earth and space chemistry. 3: 2775-2785 A1 Journal article (refereed), original research -
Insights into the O : C-dependent mechanisms controlling the evaporation of α-pinene secondary organic aerosol particles
Buchholz, Angela; Lambe, Andrew T; Ylisirniö, Arttu; Li, Zijun; Tikkanen, Olli-Pekka; Faiola, Celia; Kari, Eetu; Hao, Liqing; Luoma, Olli; Huang, Wei; Mohr, Claudia; Worsnop, Douglas R; Nizkorodov, Sergey A; Yli-Juuti, Taina; Schobesberger, Siegfried; Virtanen, Annele. 2019. Atmospheric chemistry and physics. 19: 4061-4073 A1 Journal article (refereed), original research -
Potential dual effect of anthropogenic emissions on the formation of biogenic secondary organic aerosol (BSOA)
Kari, Eetu; Hao, Liqing; Ylisirniö, Arttu; Buchholz, Angela; Leskinen, Ari; Yli-Pirilä, Pasi; Nuutinen, llpo; Kuuspalo, Kari; Jokiniemi, Jorma; Faiola, Celia L; Schobesberger, Siegfried; Virtanen, Annele). 2019. Atmospheric chemistry and physics. 19: 15651-15671 A1 Journal article (refereed), original research -
Secondary Organic Aerosol Formation from Healthy and Aphid-Stressed Scots Pine Emissions
Faiola, CL; Pullinen, I; Buchholz, A; Khalaj, F; Ylisirniö, A; Kari, E; Miettinen, P; Holopainen, JK; Kivimäenpää, M; Schobesberger, S; Yli-Juuti, T; Virtanen, A. 2019. ACS earth and space chemistry. 3: 1756-1772 A1 Journal article (refereed), original research -
Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme
Jiang, Jianhui; Aksoyoglu, Sebnem; El-Haddad, Imad; Ciarelli, Giancarlo; van der Gon, Hugo AC Denier; Canonaco, Francesco; Gilardoni, Stefania; Paglione, Marco; Cruz Minguillon, Maria; Favez, Olivier; Zhang, Yunjiang; Marchand, Nicolas; Hao, Liqing; Virtanen, Annele; Florou, Kalliopi; O'Dowd, Colin; Ovadnevaite, Jurgita; Baltensperger, Urs; Prevot, Andre SH. 2019. Atmospheric chemistry and physics. 19: 15247-15270 A1 Journal article (refereed), original research -
The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system
Roldin, P; Ehn, M; Kurtén, T; Olenius, T; Rissanen, MP; Sarnela, N; Elm, J; Rantala, P; Hao, L; Hyttinen, N; Heikkinen, L; Worsnop, DR; Pichelstorfer, L; Xavier, C; Clusius, P; Öström, E; Petäjä, T; Kulmala, M; Vehkamäki, H; Virtanen, A; et al.. 2019. Nature communications. 10: 4370 A1 Journal article (refereed), original research -
Time-resolved characterization of biotic stress emissions from Scots pines being fed upon by pine weevil by means of PTR-ToF-MS
Kari, Eetu; Faiola, Celia L; Isokääntä, Sini; Miettinen, Pasi; Yli-Pirilä, Pasi; Buchholz, Angela; Kivimäenpää, Minna; Mikkonen, Santtu; Holopainen, Jarmo K; Virtanen, Annele. 2019. Boreal environment research. 24: 25-49 A1 Journal article (refereed), original research -
Cloud droplet activation of black carbon particles coated with organic compounds of varying solubility
Dalirian, Maryam; Ylisirniä, Arttu; Buchholz, Angela; Schlesinger, Daniel; Ström, Johan; Virtanen, Annele; Riipinen, Ilona. 2018. Atmospheric chemistry and physics. 18: 12477-12489 A1 Journal article (refereed), original research -
Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods
Hao, Liqing; Garmash, Olga; Ehn, Mikael; Miettinen, Pasi; Massoli, Paola; Mikkonen, Santtu; Jokinen, Tuija; Roldin, Pontus; Aalto, Pasi; Yli-Juuti, Taina; Joutsensaari, Jorma; Petäjä, Tuukka; Kulmala, Markku; Lehtinen, Kari E J; Worsnop, Douglas R; Virtanen, Annele. 2018. Atmospheric chemistry and physics. 18: 17705-17716 A1 Journal article (refereed), original research -
Global analysis of continental boundary layer new particle formation based on long-term measurements
Nieminen, Tuomo; Kerminen, Veli-Matti; Petäjä, Tuukka; Aalto, Pasi P; Arshinov, Mikhail; Asmi, Eija; Baltensperger, Urs; Beddows, David C S; Beukes, Johan Paul; Collins, Don; Ding, Aijun; Harrison, Roy M; Henzing, Bas; Hooda, Rakesh; Hu, Min; Horrak, Urmas; Kivekäs, Niku; Komsaare, Kaupo; Krejci, Radovan; Kristensson, Adam; et al. [Incl. Laaksonen, Ari; Virtanen Annele]. 2018. Atmospheric chemistry and physics. 18: 14737-14756 A1 Journal article (refereed), original research -
Hygroscopicity of dimethylaminium-, sulfate-, and ammonium-containing nanoparticles
Tikkanen, Olli-Pekka; Väisänen, Olli; Hao, Liqing; Holopainen, Eemeli; Wang, Hao; Lehtinen, Kari E J; Virtanen, Annele; Yli-Juuti, Taina. 2018. Aerosol science and technology. 52: 971-983 A1 Journal article (refereed), original research -
Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors
Lehtipalo, K; Yan, C; Dada, L; Bianchi, F; Xiao, M; Wagner, R; Stolzenburg, D; Ahonen, LR; Amorim, A; Baccarini, A; Bauer, PS; Baumgartner, B; Bergen, A; Bernhammer, A; Breitenlechner, M; Brilke, S; Buchholz, A; Mazon, SB; Chen, D; Chen, X; et al [Incl Nieminen, T; Virtanen, A; Väisänen, O; Ylisirniö, A]. 2018. Science advances. 4: eaau5363 A1 Journal article (refereed), original research -
Novel insights on new particle formation derived from a pan-european observing system
Dall'Osto, M; Beddows, DCS; Asmi, A; Poulain, L; Hao, L; Freney, E; Allan, JD; Canagaratna, M; Crippa, M; Bianchi, F; de Leeuw, G; Eriksson, A; Swietlicki, E; Hansson, HC; Henzing, JS; Granier, C; Zemankova, K; Laj, P; Onasch, T; Prevot, A; et al.. 2018. Scientific reports. 8: 1482 A1 Journal article (refereed), original research -
PTR-ToF-MS product ion distributions and humidity-dependence of biogenic volatile organic compounds
Kari, Eetu; Miettinen, Pasi; Yli-Pirilä, Pasi; Virtanen, Annele; Faiola, Celia L. 2018. International journal of mass spectrometry. 430: 87-97 A1 Journal article (refereed), original research -
Semi-volatile and highly oxygenated gaseous and particulate organic compounds observed above a boreal forest canopy
Lee, Ben H; Lopez-Hilfiker, Felipe D; D'Ambro, Emma L; Zhou, Putian; Boy, Michael; Petäjä, Tuukka; Hao, Liqing; Virtanen, Annele; Thornton, Joel A. 2018. Atmospheric chemistry and physics. 18: 11547-11562 A1 Journal article (refereed), original research -
Terpene Composition Complexity Controls Secondary Organic Aerosol Yields from Scots Pine Volatile Emissions
Faiola, CL; Buchholz, A; Kari, E; Yli-Pirilä, P; Holopainen, JK; Kivimäenpää, M; Miettinen, P; Worsnop, DR; Lehtinen, KEJ; Guenther, AB; Virtanen, A. 2018. Scientific reports. 8: 3053 A1 Journal article (refereed), original research -
The efficiency of secondary organic aerosol particles acting as ice-nucleating particles under mixed-phase cloud conditions
Frey, Wiebke; Hu, Dawei; Dorsey, James; Alfarra, M Rami; Pajunoja, Aki; Virtanen, Annele; Connolly, Paul; McFiggans, Gordon. 2018. Atmospheric chemistry and physics. 18: 9393-9409 A1 Journal article (refereed), original research -
[alpha]-Pinene secondary organic aerosol at low temperature: chemical composition and implications for particle viscosity
Huang, Wei; Saathoff, Harald; Pajunoja, Aki; Shen, Xiaoli; Naumann, Karl-Heinz; Wagner, Robert; Virtanen, Annele; Leisner, Thomas; Mohr, Claudia. 2018. Atmospheric chemistry and physics. 18: 2883-2898 A1 Journal article (refereed), original research -
Estimates of the organic aerosol volatility in a boreal forest using two independent methods
Hong Juan, Äijälä Mikko, Häme Silja AK, Hao Liqing, Duplissy Jonathan, Heikkinen Liine M, Nie Wei, Mikkilä Jyri, Kulmala Markku, Prisle Nønne L, Virtanen Annele, Ehn Mikael, Paasonen Pauli, Worsnop Douglas R, Riipinen Ilona, Petäjä Tuukka, Kerminen Veli-Matti. 2017. Atmospheric chemistry and physics. 17: 4387-4399 A1 Journal article (refereed), original research -
Factors controlling the evaporation of secondary organic aerosol from alfa-pinene ozonolysis
Yli-Juuti T, Pajunoja A, Tikkanen O-P, Buchholz A, Faiola C, Väisänen O, Hao L, Kari E, Peräkylä O, Garmash O, Shiraiwa M, Ehn M, Lehtinen K, Virtanen A. 2017. Geophysical research letters. 44: 2562-2570 A1 Journal article (refereed), original research -
Heterogeneous ice nucleation of alfa-pinene SOA particles before and after ice cloud processing
Wagner R, Höhler K, Huang W, Kiselev A, Möhler O, Mohr C, Pajunoja A, Saathoff H, Schiebel T, Shen X, Virtanen A. 2017. Journal of geophysical research : atmospheres. 122: 4924-4943 A1 Journal article (refereed), original research -
Microphysical explanation of the RH-dependent water affinity of biogenic organic aerosol and its importance for climate
Rastak N, Pajunoja A, Acosta Navarro JC, Ma J, Song M, Partridge DG, Kirkevåg A, Leong Y, Hu WW, Taylor NF, Lambe A, Cerully K, Bougiatioti A, Liu P, Krejci R, Petäjä T, Percival C, Davidovits P, Worsnop DR, Ekman AML et al.. 2017. Geophysical research letters. 44: 5167-5177 A1 Journal article (refereed), original research -
Multiphase Photochemistry of Pyruvic Acid under Atmospheric Conditions
Reed Harris Allison E, Pajunoja Aki, Cazaunau Mathieu, Gratien Aline, Pangui Edouard, Monod Anne, Griffith Elizabeth C, Virtanen Annele, Doussin Jean-Francois, Vaida Veronica. 2017. Journal of physical chemistry a. 121: 3327-3339 A1 Journal article (refereed), original research -
Revising the hygroscopicity of inorganic sea salt particles
Zieger P, Väisänen O, Corbin JC, Partridge DG, Bastelberger S, Mousavi-Fard M, Rosati B, Gysel M, Krieger UK, Leck C, Nenes A, Riipinen I, Virtanen A, Salter ME. 2017. Nature communications. 8: 15883 A1 Journal article (refereed), original research -
Sources of particulate organic nitrates in the boreal forest in Finland
Kortelainen A, Hao L, Tiitta P, Jaatinen A, Miettinen P, Kulmala M, Smith JN, Laaksonen A, Worsnop DR, Virtanen A. 2017. Boreal environment research. 22: 13-26 A1 Journal article (refereed), original research -
Volatility of mixed atmospheric humic-like substances and ammonium sulfate particles
Nie Wei, Hong Juan, Häme Silja A K, Aijun Ding, Li Yugen, Yan Chao, Hao Liqing, Mikkilä Jyri, Zheng Longfei, Xie Yuning, Zhu Caijun, Xu Zheng, Chi Xuguang, Huang Xin, Zhou Yang, Lin Peng, Virtanen Annele, Worsnop Douglas R, Kulmala Markku, Ehn Mikael et al.. 2017. Atmospheric chemistry and physics. 17: 3659-3672 A1 Journal article (refereed), original research -
BAECC: A field campaign to elucidate the impact of Biogenic Aerosols on Clouds and Climate
Petäjä Tuukka, O'Connor Ewan J, Moisseev Dmitri, Sinclair Victoria A, Manninen Antti J, Väänänen Riikka, von Lerber Annakaisa, Thornton Joel A, Nicoll Keri, Petersen Walt, Chandrasekar V, Smith James N, Winkler Paul M, Krüger Olaf, Hakola Hannele, Timonen Hilkka, Brus David, Laurila Tuomas, Asmi Eija, Riekkola Marja-Liisa et al. 2016. Bulletin of the american meteorological society. 97: 1909-1928 A1 Journal article (refereed), original research -
Effect of Pellet Boiler Exhaust on Secondary Organic Aerosol Formation from alpha-Pinene
Kari Eetu, Hao Liqing, Yli-Pirilä Pasi, Leskinen Ari, Kortelainen Miika, Grigonyte Julija, Worsnop Douglas R, Jokiniemi Jorma, Sippula Olli, Faiola Celia I, Virtanen Annele. 2016. Environmental science and technology. 2017; 51: 1423-1432 A1 Journal article (refereed), original research -
Herbivory by an outbreaking moth increases emissions of biogenic volatiles and leads to enhanced secondary organic aerosol formation capacity
Yli-Pirilä Pasi, Copolovici Lucian, Kännaste Astrid, Noe Steffen, Blande James D, Mikkonen Santtu, Klemola Tero, Pulkkinen Juha, Virtanen Annele, Laaksonen Ari, Joutsensaari Jorma, Niinemets Ülo, Holopainen Jarmo K. 2016. Environmental science and technology. 50: 11501-11510 A1 Journal article (refereed), original research -
Heterogeneous ice nucleation of viscous secondary organic aerosol produced from ozonolysis of (alpha)-pinene
Ignatius K, Kristensen TB, Järvinen E, Nichman L, Fuchs C, Gordon H, Herenz P, Hoyle CR, Duplissy J, Garimella S, Dias A, Frege C, Hoeppel N, Troestl J, Wagner R, Yan C, Amorim A, Baltensperger U, Curtius J, Donahue NM et al. 2016. Atmospheric chemistry and physics. 16: 6495-6509 A1 Journal article (refereed), original research -
Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments
Kim J, Ahlm L , Yli-Juuti T, Lawler M, Keskinen H, Tröestl J, Schobesberger S, Duplissy J, Amorim A, Bianchi F, Donahue NM, Flagan RC, Hakala J, Heinritzi M, Jokinen T, Kuerten A, Laaksonen A, Lehtipalo K, Miettinen P, Petäjä T et al. 2016. Atmospheric chemistry and physics. 16: 293-304 A1 Journal article (refereed), original research -
In-cloud measurements highlight the role of aerosol hygroscopicity in cloud droplet formation
Väisänen Olli, Ruuskanen Antti, Ylisirniö Arttu, Miettinen Pasi, Portin Harri, Hao Liqing, Leskinen Ari, Komppula Mika, Romakkaniemi Sami, Lehtinen Kari EJ, Virtanen Annele. 2016. Atmospheric chemistry and physics. 16: 10385-10398 A1 Journal article (refereed), original research -
Ion-induced nucleation of pure biogenic particles
Kirkby Jasper, Duplissy Jonathan, Sengupta Kamalika, Frege Carla, Gordon Hamish, Williamson Christina, Heinritzi Martin, Simon Mario, Yan Chao, Almeida Joäo, Tröstl Jasmin, Nieminen Tuomo, Ortega Ismael K, Wagner Robert, Adamov Alexey, Amorim Antonio, Bernhammer Anne-Kathrin, Bianchi Federico, Breitenlechner Martin, Brilke Sophia et al. 2016. Nature. 533: 521-526 A1 Journal article (refereed), original research -
Modeling the thermodynamics and kinetics of sulfuric acid-dimethylamine-water nanoparticle growth in the CLOUD chamber
Ahlm L, Yli-Juuti T, Schobesberger S, Praplan AP, Kim J, Tikkanen O-P, Lawler MJ, Smith JN, Tröstl J, Acosta Navarro JC, Baltensperger U, Bianchi F, Donahue NM, Duplissy J, Franchin A, Jokinen T, Keskinen H, Kirkby J, Kürten A, Laaksonen A et al. 2016. Aerosol science and technology. 50: 1017-1032 A1 Journal article (refereed), original research -
Observation of viscosity transition in [alpha]-pinene secondary organic aerosol
Järvinen Emma, Ignatius Karoliina, Nichman Leonid, Kristensen Thomas B, Fuchs Claudia, R Hoyle Christopher, Höppel Niko, Corbin Joel C., Craven Jill, Duplissy Jonathan, Ehrhart Sebastian, El Haddad Imad, Frege Carla, Gordon Hamish, Jokinen Tuija, Kallinger Peter, Kirkby Jasper, Kiselev Alexei, Naumann Karl-Heinz, Petäjä Tuukka et al. (incl. Virtanen Annele). 2016. Atmospheric chemistry and physics. 16: 4423-4438 A1 Journal article (refereed), original research -
Phase state of ambient aerosol linked with water uptake and chemical aging in the southeastern US
Pajunoja Aki, Hu Weiwei, Leong Yu J, Taylor Nathan F, Miettinen Pasi, Palm Brett B, Mikkonen Santtu, Collins Don R, Jimenez Jose L, Virtanen Annele. 2016. Atmospheric chemistry and physics. 16: 11163-11176 A1 Journal article (refereed), original research -
Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation
Gordon Hamish, Sengupta Kamalika, Rap Alexandru, Duplissy Jonathan, Frege Carla, Williamson Christina, Heinritzi Martin, Simon Mario, Yan Chao, Almeida João, Tröstl Jasmin, Nieminen Tuomo, Ortega Ismael K, Wagner Robert, Dunne Eimear M, Adamov Alexey, Amorim Antonio, Bernhammer Anne-Kathrin, Bianchi Federico, Breitenlechner Martin et al. 2016. Proceedings of the National Academy of Sciences of the United States of America. 113: 12053-12058 A1 Journal article (refereed), original research -
Studying the vertical aerosol extinction coefficient by comparing in situ airborne data and elastic backscatter lidar
Rosati Bernadette, Herrmann Erik, Bucci Silvia, Fierli Federico, Cairo Francesco, Gysel Martin, Tillmann Ralf, Größ Johannes, Gobbi Gian Paolo, Di Liberto Luca, Di Donfrancesco Guido, Wiedensohler Alfred, Weingartner Ernest, Virtanen Annele, Mentel Thomas F., Baltensperger Urs. 2016. Atmospheric chemistry and physics. 16: 4539-4554 A1 Journal article (refereed), original research -
The effect of acid-base clustering and ions on the growth of atmospheric nano-particles
Lehtipalo Katrianne, Rondo Linda, Kontkanen Jenni, Schobesberger Siegfried, Jokinen Tuija, Sarnela Nina, Kürten Andreas, Ehrhart Sebastian, Franchin Alessandro, Nieminen Tuomo, Riccobono Francesco, Sipilä Mikko, Yli-Juuti Taina, Duplissy Jonathan, Adamov Alexey, Ahlm Lars, Almeida Joäo, Amorim Antonio, Bianchi Federico, Breitenlechner Martin et al. 2016. Nature communications. 7: 11594 A1 Journal article (refereed), original research -
The role of low-volatility organic compounds in initial particle growth in the atmosphere
Tröstl Jasmin, Chuang Wayne K, Gordon Hamish, Heinritzi Martin, Yan Chao, Molteni Ugo, Ahlm Lars, Frege Carla, Bianchi Federico, Wagner Robert, Simon Mario, Lehtipalo Katrianne, Williamson Christina, Craven Jill S, Duplissy Jonathan, Adamov Alexey, Almeida Joao, Bernhammer Anne-Kathrin, Breitenlechner Martin, Brilke Sophia et al.. 2016. Nature. 533: 527-531 A1 Journal article (refereed), original research -
Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging
Tiitta Petri, Leskinen Ari, Hao Liqing, Yli-Pirilä Pasi, Kortelainen Miika, Grigonyte Julija, Tissari Jarkko, Lamberg Heikki, Hartikainen Anni, Kuuspalo Kari, Kortelainen Aki-Matti, Virtanen Annele, Lehtinen Kari EJ, Komppula Mika, Pieber Simone, Prévôt André SH, Onasch Timothy B, Worsnop Douglas R, Czech Hendryk, Zimmermann Ralf et al. 2016. Atmospheric chemistry and physics. 16: 13251-13269 A1 Journal article (refereed), original research -
Vertical profiling of aerosol hygroscopic properties in the planetary boundary layer during the PEGASOS campaigns
Rosati Bernadette, Gysel Martin, Rubach Florian, Mentel Thomas F, Goger Brigitta, Poulain Laurent, Patrick Schlag, Miettinen Pasi, Pajunoja Aki, Virtanen Annele, Baltink Henk Klein, Henzing JS Bas, Größ Johannes, Gobbi Gian Paolo, Wiedensohler Alfred, Kiendler-Scharr Astrid, Decesari Stefano, Facchini Maria Cristina, Weingartner Ernest, Urs Baltensperger. 2016. Atmospheric chemistry and physics. 16: 7295-7315 A1 Journal article (refereed), original research -
Adsorptive uptake of water by semisolid secondary organic aerosols
Pajunoja Aki, Lambe Andrew T, Hakala Jani, Rastak Narges, Cummings Molly J, Brogan James F, Hao Liqing, Paramonov Mikhail, Hong Juan, Prisle Nonne L, Malila Jussi, Romakkaniemi Sami, Lehtinen Kari EJ, Laaksonen Ari, Kulmala Markku, Massoli Paola, Onasch Timothy B, Donahue Neil M, Riipinen Ilona, Davidovits Paul et al. 2015. Geophysical research letters. 42: 3063-3068 A1 Journal article (refereed), original research -
CCN activation of fumed silica aerosols mixed with soluble pollutants
Dalirian M, Keskinen H, Ahlm L, Ylisirniö A, Romakkaniemi S, Laaksonen A, Virtanen A, Riipinen I. 2015. Atmospheric chemistry and physics. 15: 3815-3829 A1 Journal article (refereed), original research -
Characterization and testing of a new environmental chamber
Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2015. Atmospheric measurement techniques. 8: 2267-2278 A1 Journal article (refereed), original research -
Hygroscopic properties and cloud condensation nuclei activation of limonene-derived organosulfates and their mixtures with ammonium sulfate
Hansen AMK, Hong J, Raatikainen T, Kristensen K, Ylisirniö A, Virtanen A, Petäjä T, Glasius M, Prisle NL. 2015. Atmospheric chemistry and physics. 15: 14070-14089 A1 Journal article (refereed), original research -
Phase State and Deliquescence Hysteresis of Ammonium-Sulfate-Seeded Secondary Organic Aerosol
Saukko Erkka, Zorn Soeren, Kuwata Mikinori, Keskinen Jorma, Virtanen Annele. 2015. Aerosol science and technology. 49: 531-537 A1 Journal article (refereed), original research -
Real-Time Chemical Composition Analysis of Particulate Emissions from Woodchip Combustion
Kortelainen Aki, Joutsensaari Jorma, Hao Liqing, Leskinen Jani, Tiitta Petri, Jaatinen Antti, Miettinen Pasi, Sippula Olli, Torvela Tiina, Tissari Jarkko, Jokiniemi Jorma, Worsnop Douglas R., Smith James N., Laaksonen Ari, Virtanen Annele. 2015. Energy and fuels. 29: 1143-1150 A1 Journal article (refereed), original research -
Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment
Hong J, Kim J, Nieminen T, Duplissy J, Ehn M, Äijälä M, Hao LQ, Nie W, Sarnela N, Prisle NL, Kulmala M, Virtanen A, Petäjä T, Kerminen V-M. 2015. Atmospheric chemistry and physics. 15: 11999-12009 A1 Journal article (refereed), original research -
Atmospheric submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region
Hao Liqing, Kortelainen Aki, Romakkaniemi Sami, Portin Harri, Jaatinen Antti, Leskinen Ari, Komppula Mika, Miettinen Pasi, Sueper Donna, Pajunoja Aki, Smith James N, Lehtinen Kari E J, Worsnop Douglas R, Laaksonen Ari, Virtanen Annele. 2014. Atmospheric chemistry and physics. 14: 13483-13495 A1 Journal article (refereed), original research -
Characterization and testing of a new environmental chamber designed for emission aging studies
Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2014. Atmospheric measurement techniques discussions. 7: 5921-5951 A1 Journal article (refereed), original research -
Effective densities and fractal dimensions of particles emitted from small-scale combustion of different wood fuels
Leskinen Jani, Ihalainen Mika, Torvela Tiina, Kortelainen Miika, Lamberg Heikki, Tiitta Petri, Jakobi Gert, Grigonyte Julija, Joutsensaari Jorma, Sippula Olli, Tissari Jarkko, Virtanen Annele, Zimmermann Ralf, Jokiniemi Jorma. 2014. Environmental science and technology. 48: 13298-13306 A1 Journal article (refereed), original research -
Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change: summary and outlook
Kulmala Markku, Lappalainen Hanna K, Bäck Jaana, Laaksonen Ari, Nikinmaa E, Riekkola M-L, Vesala Timo, Viisanen Yrjö, Aalto T, Boy M, Dal Maso Miikka, Ehn Mikael, Hakola Hannele, Hari P, Hartonen K, Hämeri Kaarle, Hölttä T, Junninen Heikki, Järvi Leena, Kurten Theo, et al.. 2014. Boreal environment research. 19: 2-19 A1 Journal article (refereed), original research -
Heavy-duty, off-road diesel engine low-load particle number emissions and particle control
Lähde Tero, Virtanen Annele, Happonen Matti, Söderström Christer, Kytö Matti, Keskinen Jorma. 2014. Journal of the air and waste management association. 64: 1186-1194 A1 Journal article (refereed), original research -
Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from Increased hygroscopicity of Arizona Test Dust seeds by secondary organic alfa-pinene ozonolysis
Keskinen Helmi, Kortelainen Aki-Matti, Jaatinen Antti, Yli-Pirilä Pasi, Joutsensaari Jorma, Romakkaniemi Sami, Hao Liqing, Torvela Tiina, Miettinen Pasi, Virtanen Annele, Worsnop Douglas R, Laaksonen Ari, Smith James N. 2014. Boreal environment research. 19: 182-190 A1 Journal article (refereed), original research -
Insight into Acid-Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters
Bianchi Federico, Praplan Arnaud P, Sarnela Nina, Dommen Josef, Kürten Andreas, Ortega Ismael K, Schobesberger Siegfried, Junninen Heikki, Simon Mario, Tröstl Jasmin, Jokinen Tuija, Sipilä Mikko, Adamov Alexey, Amorim Antonio, Almeida Joao, Breitenlechner Martin, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, et al.. 2014. Environmental science and technology. 48: 13675-13684 A1 Journal article (refereed), original research -
Representing situational knowledge acquired from sensor data for atmospheric phenomena
Stocker Markus, Baranizadeh Elham, Portin Harri, Komppula Mika, Rönkkö Mauno, Hamed Amar, Virtanen Annele, Lehtinen Kari, Laaksonen Ari, Kolehmainen Mikko. 2014. Environmental modelling and software. 58: 27-47 A1 Journal article (refereed), original research -
The effect of cloudiness on new-particle formation: investigation of radiation levels
Baranizadeh Elham, Arola Antti, Hamed Amar, Nieminen Tuomo, Mikkonen Santtu, Virtanen Annele, Kulmala Markku, Lehtinen Kari, Laaksonen Ari. 2014. Boreal environment research. 19: 343-354 A1 Journal article (refereed), original research -
The role of low volatile organics on secondary organic aerosol formation
Kokkola Harri, Yli-Pirilä Pasi, Vesterinen Milko, Korhonen Hannele, Keskinen Helmi, Romakkaniemi Sami, Hao Liqing, Kortelainen Aki, Joutsensaari Jorma, Worsnop Douglas R, Virtanen Annele, Lehtinen Kari E J. 2014. Atmospheric chemistry and physics. 14: 1689-1700 A1 Journal article (refereed), original research -
The third Pallas Cloud Experiment: Consistency between the aerosol hygroscopic growth and CCN activity
Jaatinen Antti, Romakkaniemi Sami, Anttila Tatu, Hyvärinen Antti-Pekka, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Mikkonen Santtu, Smith James N, Virtanen Annele, Laaksonen Ari. 2014. Boreal environment research. 19: 368-382 A1 Journal article (refereed), original research -
Acquisition and Representation of Knowledge for Atmospheric New Particle Formation
Stocker Markus, Baranizadeh Elham, Hamed Amar, Rönkkö Mauno, Virtanen Annele, Laaksonen Ari, Portin Harri, Komppula Mika, Kolehmainen Mikko. Teoksessa: Hřebíček Jiří, Schimak Gerald, Kubásek Miroslav, Rizzoli Andrea E.(toim.) , 2013. Environmental Software Systems. Fostering Information Sharing. s. 98-108. Springer Gabler A3 Book section, Chapters in research books -
Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry
L. Q. Hao, S. Romakkaniemi, A. Kortelainen, A. Jaatinen, H. Portin, P. Miettinen, M. Komppula, A. Leskinen, A. Virtanen, J.N. Smith, D. Sueper,D.R. Worsnop, K.E.J. Lehtinen and A. Laaksonen. 2013. Environmental science and technology. 47: 2645-2653 A1 Journal article (refereed), original research -
Atmospheric nucleation and growth in the CLOUD experiment at CERN
Kirkby, Jasper and CLOUD Collaboration. Teoksessa: DeMott Paul J and O'Dowd Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 278-286. American Institute of Physics A4 Conference proceedings -
Bounce characteristics of α -pinene derived SOA particles with implications to physical phase
Kannosto Jonna, Yli-Pirilä Pasi, Hao Liqing, Leskinen Jani, Jokiniemi Jorma, Mäkelä Jyrki, Joutsensaari Jorma, Laaksonen Ari, Worsnop Douglas R, Keskinen Jorma, Virtanen Annele. 2013. Boreal environment research. 18: 329-340 A1 Journal article (refereed), original research -
Estimating the Viscosity Range of SOA Particles Based on Their Coalescence Time
Pajunoja Aki, Malila Jussi, Hao Liqing, Joutsensaari Jorma, Lehtinen Kari E J, Virtanen Annele. 2013. Aerosol science and technology. 48: i-iv A1 Journal article (refereed), original research -
Evolution of nanoparticle composition in CLOUD in presence of sulphuric acid, ammonia and organics
Keskinen Helmi, Virtanen Annele, Joutsensaari Jorma, Tsagkogeorgas G, Duplissy J, Schobesberger S, Gysel M, Riccobono F, Slowik JG, Bianchi F, Yli-Juuti T, Lehtipalo K, Rondo L, Breitenlechner M, Kupc A, Almeida J, Amorim A, Dunne EM, Downard A, Ehrhart S, et al.. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 291-294. American Institute of Physics A4 Conference proceedings -
Evolution of particle composition in CLOUD nucleation experiments
Keskinen Helmi, Virtanen Annele, Joutsensaari Jorma, Tsagkogeorgas G, Duplissy J, Schobesberger S, Gysel M, Riccobono F, Slowik J G, Bianchi F, Yli-Juuti Taina, Lehtipalo Katrianne, Rondo L, Breitenlechner M, Kupc A, Almeida J, Amorim A, Dunne E M, Downard A J, Ehrhart S, Franchin A, et. al.. 2013. Atmospheric chemistry and physics. 13: 5587-5600 A1 Journal article (refereed), original research -
Hygroscopicity of nucleated nanoparticles in CLOUD 7 experiments
Kim Jae-Seok, Keskinen Helmi, Vaattovaara Petri, Miettinen Pasi, Joutsensaari Jorma, Virtanen Annele. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 306-309. American Institute of Physics A4 Conference proceedings -
Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere
Almeida João, Schobesberger Siegfried, Kürten Andreas, Ortega Ismael K, Kupiainen-Määttä Oona, PraplanArnaud P, Adamov Alexey, Amorim Antonio, Bianchi Federico, Breitenlechner Martin, David André, Dommen Josef, Donahue Neil M, Downard Andrew, Dunne Eimear, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, Franchin Alessandro, Guida Roberto, et. al.. 2013. Nature. 502: 359-363 A1 Journal article (refereed), original research -
A method to resolve the phase state of aerosol particles
Saukko E, Kuuluvainen H, Virtanen A. 2012. Atmospheric measurement techniques. 5: 259-265 A1 Journal article (refereed), original research -
A new method for characterizing the bounce and charge transfer properties of nanoparticles
Kuuluvainen Heino, Arffmann Anssi, Saukko Erkka, Virtanen Annele, Keskinen Jorma. 2012. Journal of aerosol science. 55: 104-105 A1 Journal article (refereed), original research -
Diesel exhaust emissions and particle hygroscopicity with HVO fuel-oxygenate blend
Happonen Matti, Heikkilä Juha, Aakko-Saksa Päivi, Murtonen Timo, Lehto Kalle, Rostedt Antti, Sarjovaara Teemu, Larmi Martti, Keskinen Jorma, Virtanen Annele. 2012. Fuel. 103: 380-386 A1 Journal article (refereed), original research -
Humidity-dependent phase state of SOA particles from biogenic and anthropogenic precursors
Saukko Erkka, Lambe A T, Massoli P, Koop T, Wright J P, Croasdale D R, Pedernera D A, Onasch T B, Laaksonen Ari, Davidovits P, Worsnop Douglas R, Virtanen Annele. 2012. Atmospheric chemistry and physics. 12: 7517-7529 A1 Journal article (refereed), original research -
Reductions in Particulate and NOx Emissions by Diesel Engine Parameter Adjustments with HVO Fuel
Happonen Matti, Heikkilä Juha, Murtonen Timo, Lehto Kalle, Sarjovaara Teemu, Larmi Martti, Keskinen Jorma, Virtanen Annele. 2012. Environmental science and technology. 46: 6198-6204 A1 Journal article (refereed), original research -
Study of Miller timing on exhaust emissions of a hydrotreated vegetable oil (HVO)-fueled diesel engine
Heikkilä Juha, Happonen Matti, Murtonen Timo, Lehto Kalle, Sarjovaara Teemu, Larmi Martti, Keskinen Jorma, Virtanen Annele. 2012. Journal of the air and waste management association. 62: 1305-1312 A1 Journal article (refereed), original research