Publications

Publications in Nature or Science

He, X.-C. et al. Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere. Science 382, 1308-1314, 2023.
Shen, J. et al. New particle formation from isoprene under upper-tropospheric conditions. Nature 636, 115–123, , 2024.
He, X., et al. Global significance of iodic acid new-particle formation in the atmosphere, Science, 371 (6529): 589-595, , 2021
Sipilä M., et al. Molecular-scale evidence of aerosol particle formation via sequential addition of HIO3. Nature, 537, 532–534, , 2016.
Dunne E. et al.: Global atmospheric particle formation from CERN CLOUD measurements, Science, , 2016.
Tröstl, J., et al. The role of low-volatility organic compounds in initial particle growth in the atmosphere, Nature, 533, 527–531, , 2016.
Kirkby, J., et al. Ion-induced nucleation of pure biogenic particles, Nature, 533, 521–526, , 2016.
Bianchi, F., et al. New particle formation in the free troposphere: A question of chemistry and timing, Science, 352(6289), 1109–1112, , 2016.
Ehn, M., et al. A Large Source of Low-volatility Secondary Organic Aerosol, Nature, 506, 476-479, , 2014.
Riccobono et al. Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles, Science, , 2014.
Kulmala, M., et al. Direct Observations of Atmospheric Aerosol Nucleation, Science, 339, 943-946, , 2013.
Almeida, J., et al. Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere, Nature, 502, 359–363, , 2013.
Mauldin, R. L., et al. A new atmospherically relevant oxidant of sulphur dioxide, Nature, 488(7410), , 2012.
Kirkby, J., et al. Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation, Nature, 476, 429-U477, , 2011.
Sipilä, M., et al. The role of sulphuric acid in atmospheric nucleation, Science, 327, 1243-1246, , 2010.

OTHER HIGHLIGHTED PUBLICATIONS

2026

Tuovinen, S. et al. Investigating small ion number size distributions: insight into cluster formation and growth. Aerosol Research 4, 37-62, 2026.
Cai, R. et al. The key role of nanoparticle concentration gradient in aerosol initial growth. Nature Communications 17, 3338, 2026.
Ovaskainen, O. et al. A digital twin for real-time biodiversity forecasting with citizen science data. Nature Ecology & Evolution 10, 23, 2026.
Jokinen, T. et al. Direct observations of atmospheric oxidized mercury speciation in polar areas. Nature Communications 17, 3160, 2026.
Peltola, M. et al. Measurement report: New particle formation and aerosol properties at a newly founded atmospheric observatory at the Finnish Baltic Sea coast. Atmospheric Chemistry and Physics 26, 489–513, 2026.

2025

Alfaouri, D. et al. An optimization of transmission measurement of an atmospheric pressure interface time-of-flight mass spectrometer (APi-ToF MS). Environmental Science: Atmospheres 5, 1341-1353, 2025.
Luo, Y. et al. Gas-phase observations of accretion products from stabilized Criegee intermediates in terpene ozonolysis with two dicarboxylic acids. Atmospheric Chemistry and Physics 25, 4655-4664, 2025.
Stolzenburg, D. et al. Incomplete mass closure in atmospheric nanoparticle growth. npj Climate and Atmospheric Science 8, 75, 2025.
Ylivinkka, I. et al. Intervention of pollution episodes from nearby sawmills to ecosystem-atmosphere interactions studied in a boreal forest at SMEAR II. Boreal Environment Research 30, 221-241, 2025.
Li, X. et al. Parameterization of particle formation rates in distinct atmospheric environments. Aerosol Research 3, 271-291, 2025.
Kulmala, M. et al. Understanding atmospheric processes: insights from the comparison between Beijing and Hyytiälä. npj Clean Air 1, 26, 2025.
Shcherbinin, A. et al. Uronium from X-ray-desorbed urea enables sustainable ultrasensitive detection of amines and semivolatiles. Analytical Chemistry 97, 21282-21290, 2025.
Xiao, M. et al. Anthropogenic organic aerosol in Europe produced mainly through second-generation oxidation. Nature Geoscience 18, 239-245, 2025.
Brean, J. et al. Multiple eco-regions contribute to the seasonal cycle of Antarctic aerosol size distributions. Atmospheric Chemistry and Physics 25, 1145-1162, 2025.
Boyer, M. et al. Penguin guano is an important source of climate-relevant aerosol particles in Antarctica. Communications Earth & Environment 6, 368, 2025.
Bergner, N. et al. Characteristics and effects of aerosols during blowing snow events in the central Arctic. Elementa 13, 00047, 2025.
Heutte, B. et al. Observations of high-time-resolution and size-resolved aerosol chemical composition and microphysics in the central Arctic: implications for climate-relevant particle properties. Atmospheric Chemistry and Physics 25, 2207–2241, 2025.
Heutte, B. et al. Sources and composition of organic aerosols in the central Arctic during spring and summer. Environmental Science & Technology 59, 21924–21940, 2025.
Thakur, R. C. et al. Coastal-SMEAR – introduction to infrastructure and capacity of the atmospheric observatory in Tvärminne, Finland. Boreal Environment Research 30, 195–219, 2025.
Ke, P. et al. Potential of carbon uptake and local aerosol production in boreal and hemi-boreal ecosystems across Finland and in Estonia. Biogeosciences 22, 3235–3251, 2025.

2024

Kumar, A. et al. Direct measurements of covalently bonded sulfuric anhydrides from gas-phase reactions of SO₃ with acids under ambient conditions. Journal of the American Chemical Society 146, 15562-15575, 2024.
Cai, J. et al. Elucidating the mechanisms of atmospheric new particle formation in the highly polluted Po Valley, Italy. Atmospheric Chemistry and Physics 24, 2423-2441, 2024.
Zhang, J. et al. Evaluating the applicability of a real-time highly oxygenated organic molecule (HOM)-based indicator for ozone formation sensitivity at a boreal forest station. Environmental Science & Technology Letters 11, 1227-1232, 2024.
Finkenzeller, H. et al. Multiphysical description of atmospheric pressure interface chemical ionisation in MION2 and Eisele type inlets. Atmospheric Measurement Techniques 17, 5989-6001, 2024.
de Jonge, R. W. et al. Natural marine precursors boost continental new particle formation and production of cloud condensation nuclei. Environmental Science & Technology 58, 10956-10968, 2024.
Li, X. et al. Over 20 years of observations in the boreal forest reveal a decreasing trend of atmospheric new particle formation. Boreal Environment Research 29, 35-52, 2024.
Boyer, M. et al. The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition. Atmospheric Chemistry and Physics 24, 12595-12621, 2024.
Xavier, C. et al. Role of iodine-assisted aerosol particle formation in Antarctica. Environmental Science & Technology 58, 7314-7324, 2024.
Rörup, B. et al. Temperature, humidity, and ionisation effect of iodine oxoacid nucleation. Environmental Science: Atmospheres 4, 531-546, 2024.
Beck, I. et al. Characteristics and sources of fluorescent aerosols in the central Arctic Ocean. Elementa 12, 00125, 2024.
Schervish, M. et al. Interactions of peroxy radicals from monoterpene and isoprene oxidation simulated in the radical volatility basis set. Environmental Science: Atmospheres 4, 740–753, 2024.
Huang, W. et al. Potential pre-industrial-like new particle formation induced by pure biogenic organic vapors in Finnish peatland. Science Advances 10, eadm9191, 2024.
Shen, J. et al. New particle formation from isoprene under upper-tropospheric conditions. Nature 636, 115–123, 2024.

2023

Tham, Y. J. et al. Widespread detection of chlorine oxyacids in the Arctic atmosphere, Nature Communications. 14, 1769. 10.1038/s41467-023-37387-y, 2023.
Boyer, M. et al. A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinarydrifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, Atmospheric Chemistry and Physics. 23, 389-415, 10.5194/acp-23-389-2023, 2023
Kulmala, M. et al. Direct link between the characteristics of atmospheric new particle formation and the COBACC feedback loop. Boreal Environment Research 28, 1-13, 2023.
Yin, R. et al. Revealing the sources and sinks of negative cluster ions in an urban environment through quantitative analysis. Atmospheric Chemistry and Physics 23, 5279-5296, 2023.
Lintunen, A. et al. The Center of Excellence in Atmospheric Science (2002–2019) – from molecular and biological processes to the global climate. Boreal Environment Research 28, 15-80, 2023.
He, X.-C. et al. Characterisation of gaseous iodine species detection using the MION2 inlet with bromide and nitrate ionisation. Atmospheric Measurement Techniques 16, 4461-4487, 2023.
Okuljar, M. et al. Influence of anthropogenic emissions on highly oxygenated organic molecules in Helsinki. Atmospheric Chemistry and Physics 23, 12965–12983, 2023.
He, X.-C. et al. Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere. Science 382, 1308-1314, 2023.
Heutte, B. et al. Measurements of aerosol microphysical and chemical properties in the central Arctic atmosphere during MOSAiC. Scientific Data 10, 690, 2023.
Finkenzeller, H. et al. The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source. Nature Chemistry 15, 129-135, 2023.
Barten, J. G. M. et al. Low ozone dry deposition rates to sea ice during the MOSAiC field campaign: implications for the Arctic boundary layer ozone budget. Elementa: Science of the Anthropocene 11, 00086, 2023.
Ahmed, S. et al. Modelling the coupled mercury-halogen-ozone cycle in the central Arctic during spring. Elementa: Science of the Anthropocene 11, 00129, 2023.
Nie, W. et al. NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere. Nature Communications 14, 3347, 2023.
Dada, L. et al. Role of sesquiterpenes in biogenic new particle formation. Science Advances 9, eadi5297, 2023.
Yue, F. et al. The Marginal Ice Zone as a dominant source region of atmospheric mercury during central Arctic summertime. Nature Communications 14, 4887, 2023.

2022

Thakur, R. C. et al. An evaluation of new particle formation events in Helsinki during a Baltic Sea cyanobacterial summer bloom, Atmospheric Chemistry and Physics. 22, p. 6365-6391, 10.5194/acp-22-6365-2022, 2022.
Jokinen, T. et al. Measurement report: Long-term measurements of aerosol precursor concentrations in the Finnish subarctic boreal forest, Atmospheric Chemistry and Physics, 22, 2237-2254. 10.5194/acp-22-2237-2022, 2022
Quelever, L. et al. Investigation of new particle formation mechanisms and aerosol processes at Marambio Station, Antarctic Peninsula, Atmospheric Chemistry and Physics. 22,8417-8437, 10.5194/acp-22-8417-2022, 2022

2021

Tham, Y. J., et al. Direct field evidence of autocatalytic iodine release from atmospheric aerosol, Proceedings of the National Academy of Sciences, 118 (4) e2009951118; DOI: 10.1073/pnas.2009951118, 2021
Beck, L. J. and Sarnela, N., et al. Differing Mechanisms of New Particle Formation at Two Arctic Sites, Geophysical Research Letters, 47, e2020GL091334. , 2021
Sulo, J., et al., Long-term measurement of sub-3 nm particles and their precursor gases in the boreal forest, Atmospheric Chemistry and Physics, 21, 695–715, , 2021

2020

Yan, C., et al. Size-dependent influence of NOx on the growth rates of organic aerosol particles, Science Advances, 6 (22) eaay4945 DOI: 10.1126/sciadv.aay4945, 2020
Dada, L., et al. Sources and sinks driving sulphuric acid concentrations in contrasting environments: implications on proxy calculations, Atmospheric Chemistry and Physics, 11747–11766, , 2020

2019

Bianchi, F., et al. Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol , Chemical Reviews, 119, 6, p. 3472-3509, 2019
Molteni, U., et al. Formation of Highly Oxygenated Organic Molecules from alpha-Pinene Ozonolysis: Chemical Characteristics, Mechanism, and Kinetic Model Development, Earth and Space Chemistry. 3, 5, p. 873-883, 2019
Nielsen, I. E. et al. Biogenic and anthropogenic sources of aerosols at the High Arctic site Villum Research Station9, 19, 15, 10239-10256, 10.5194/acp-19-10239-2019, 2019
Roldin, P. et al. The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system 10, 4370, 10.1038/s41467-019-12338-8, 2019

2018

Hao, L., et al. Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods, Atmospheric Chemistry and Physics, 18, 23, p.17705-17716, 2018
Yan, C., et al. The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest, Atmospheric Chemistry and Physics, 18, 13231-13243, , 2018
Sarnela, N. M., et al. Measurement–model comparison of stabilized Criegee intermediate and highly oxygenated molecule production in the CLOUD chamber, Atmospheric Chemistry and Physics, 18, 2363-2380, 2018
Kürten, A., et al. New particle formation in the sulfuric acid-dimethylamine-water system: reevaluation of CLOUD chamber measurements and comparison to an aerosol nucleation and growth model, Atmospheric Chemistry and Physics, 18, 845-863, 2018
Frege, C., et al. Influence of temperature on the molecular composition of ions and charged clusters during pure biogenic nucleation, Atmospheric Chemistry and Physics, 18, 1, 65-79, 2018
Jokinen, T., et al., Ion induced sulfuric acid–ammonia nucleation drives particle formation in coastal Antarctica, Science Advances, 4, 11, 2018
Lehtipalo, K., et al., Multi-component new particle formation from sulfuric acid, ammonia, and biogenic vapors, Science Advances, 4, 12, 2018
Rose, C., et al. Observations of biogenic ion-induced cluster formation in the atmosphere, Science Advances 4, 4, 2018
Lawler, M. J. et al Evidence for Diverse Biogeochemical Drivers of Boreal Forest New Particle Formation, Geophysical Research Letters, 45, 4, 2038-2046, 10.1002/2017GL076394, 2018
Qi, X. et al. 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, Atmospheric Chemistry and Physics, 18, 16, 11779-11791, 10.5194/acp-18-11779-2018, 2018
Stolzenburg, D. et al. Rapid growth of organic aerosol nanoparticles over a wide tropospheric temperature range, Proceedings of the National Academy of Sciences of the United States of America, 115, 37, 9122-9127, 10.1073/pnas.1807604115, 2018
Zha, Q. et al. Vertical characterization of highly oxygenated molecules (HOMs) below and above a boreal forest canopy, Atmospheric Chemistry and Physics, 18, 23, 17437-17450, 10.5194/acp-18-17437-2018, 2018

2017

Jokinen, T., et al. Solar eclipse demonstrating the importance of photochemistry in new particle formation, Scientific Reports, 7, 45705, 2017
Bianchi, F. et al. The role of highly oxygenated molecules (HOMs) in determining the composition of ambient ions in the boreal forest, Atmospheric Chemistry and Physics, 17, 22, 13819-13831, 10.5194/acp-17-13819-2017, 2017
Wagner, R. et al. The role of ions in new particle formation in the CLOUD chamber, Atmospheric Chemistry and Physics, 17, 24, 15181-15197, 10.5194/acp-17-15181-2017, 2017

2016

Lehtipalo, K., et al. The effect of acid–base clustering and ions on the growth of atmospheric nano-particles, Nature Communications, 7 (11594), doi:10.1038/ncomms11594, 2016
Berndt, T. Hydroxyl radical-induced formation of highly oxidized organic compounds, Nature Communications. 7, 13677, , 2016
Lawler, M.J., et al. Unexpectedly acidic nanoparticles formed in dimethylamine-ammonia-sulfuric-acid nucleation experiments at CLOUD, Atmospheric Chemistry and Physics, 16, 21, 13601-16618, , 2016
Kuerten, A., et al. Experimental particle formation rates spanning tropospheric sulfuric acid and ammonia abundances, ion production rates, and temperatures, Journal of Geophysical Research : Atmospheres, 121, 20, 12377-12400, 2016
Gordon, H. et al. Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation, Proceedings of the National Academy of Sciences of the United States of America, 113, 43, 12053-1205, 2016
Yan, C., et al. Source characterization of highly oxidized multifunctional compounds in a boreal forest environment using positive matrix factorization, Atmospheric Chemistry and Physics, 16, 19, 12715-12731, 2016
Jokinen, T., et al Production of highly oxidized organic compounds from ozonolysis of β-caryophyllene: laboratory and field measurements, Boreal Environment Research, 21: 262–273, 2016
Järvinen, E., et al. Observation of viscosity transition in a-pinene secondary organic aerosol , Atmospheric Chemistry and Physics 16, 4423-4438, doi:10.5194/acp-16-4423-2016, 2016
Rondo, L., et al. Effect of dimethylamine on the gas phase sulfuric acid concentration measured by chemical ionization mass spectrometer , Journal of Geophysical Research: Atmospheres, DOI: 10.1002/2015JD023868, 2016
Kim, J. et al Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments, Atmospheric Chemistry and Physics, 16, 293-304, doi:10.5194/acp-16-293-2016, 2016
Ahlm, L., et al. Modeling the thermodynamics and kinetics of sulfuric acid-dimethylamine-water nanoparticle growth in the CLOUD chamber , Aerosol Science and Technology, 50 (10), 2016
Faust, J. A., et al. Real-Time Detection of Arsenic Cations from Ambient Air in Boreal Forest and Lake Environments , Environmental Science & Technology Letters 3 (2), 42-46, doi: 10.1021/acs.estlett.5b00308, 2016

2015

Jokinen, T., et al. Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications, Proc. Natl. Acad. Sci., 112, 23, 7123-7128, doi: 10.1073/pnas.1423977112, JUN 9 2015.
Sipilä, M., et al. Bisulfate – cluster based atmospheric pressure chemical ionization mass spectrometer for high-sensitivity (< 100 ppqV) detection of atmospheric dimethyl amine: proof-of-concept and first ambient data from boreal forest, Atmos. Meas. Tech., 8, 4001-4011, doi:10.5194/amt-8-4001-2015, 2015
Rissanen, MP., et al. Effects of Chemical Complexity on the Autoxidation Mechanisms of Endocyclic Alkene Ozonolysis Products: From Methylcyclohexenes toward Understanding alpha-Pinene, J. Phys. Chem. A, 119, 19, 4633-4650, doi: 10.1021/jp510966g, May 14 2015.
Rose, C. et al. Major contribution of neutral clusters to new particle formation at the interface between the boundary layer and the free troposphere. Atmos. Chem. Phys., 15, 3413–3428, doi:10.5194/acp-15-3413-2015, 2015.
Schobesberger, S. et al. On the composition of ammonia-sulfuric acid clusters during aerosol particle formation, Atmos. Chem. Phys., doi:10.5194/acp-15-55-2015, 2015.

2014

Kürten et al. Neutral molecular cluster formation of sulfuric acid–dimethylamine observed in real time under atmospheric conditions, doi/10.1073/pnas.1404853111, PNAS, 2014.
Jokinen, T. et al. Rapid Autoxidation Forms Highly Oxidized RO2 Radicals in the Atmosphere, Angewandte Chemie International Edition, doi: 10.1002/anie.201408566, 2014
Sipilä, M, et al. Reactivity of stabilized Criegee intermediates (sCIs) from isoprene and monoterpene ozonolysis toward SO2 and organic acids, Atmospheric Chemistry and Physics, 14, 12143-12153, doi:10.5194/acp-14-12143-2014, 2014
Kulmala, M., et al. Chemistry of Atmospheric Nucleation: On the Recent Advances on Precursor Characterization and Atmospheric Cluster Composition in Connection with Atmospheric New Particle Formation, Annu. Rev. Phys. Chem., 65(1), 21-37. doi:10.1146/annurev-physchem-040412-110014, 2014.
Lopez-Hilfiker, F. D., et al. A novel method for online analysis of gas and particle composition: description and evaluation of a Filter Inlet for Gases and AEROsols (FIGAERO), Atmos. Meas. Tech., 7, 983-1001, doi:10.5194/amt-7-983-2014, 2014.
Rissanen, M. P., et al. CH2NH2 + O-2 and CH3CHNH2 + O-2 Reaction Kinetics: Photoionization Mass Spectrometry Experiments and Master Equation Calculations, J. Phys. Chem. A, 118, 12, 2176-2186, doi: 10.1021/jp411238e, 2014.
Kangasluoma, J., et al., Sub-3 nm particle size and composition dependent response of a nano-CPC battery, Atmos. Meas. Tech., 7, 689-700, doi:10.5194/amt-7-689-2014, 2014.
Schnitzhofer, R., et al. A. and the CLOUD Team. Characterisation of organic contaminants in the CLOUD chamber at CERN, doi:10.5194/amt-7-2159-2014, Atmos. Meas. Tech., 7, 2159-2168, 2014.

2013

Schobesberger, S., et al., Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules, P. Natl. Acad. Sci., 110(43), 17223-17228. doi: 10.1073/pnas.1306973110, 2013.
Corrigan, A. L., et al., Biogenic and biomass burning organic aerosol in a boreal forest at Hyytiälä, Finland, during HUMPPA-COPEC 2010, Atmos. Chem. Phys., 13, 12233-12256, doi:10.5194/acp-13-12233-2013, 2013.
Vogel, A. L., et al., In situ submicron organic aerosol characterization at a boreal forest research station during HUMPPA-COPEC 2010 using soft and hard ionization mass spectrometry, Atmos. Chem. Phys., 13, 10933-10950, doi:10.5194/acp-13-10933-2013, 2013.
Olenius, T., et al., Comparing simulated and experimental molecular cluster distributions, Farad. Discuss., 165, 75-89, doi: 10.1039/C3FD00031A, 2013.
Donahue, N. M., et al., How do organic vapors contribute to new-particle formation?, Farad. Discuss., 165, 91-104, doi: 10.1039/C3FD00046J, 2013.
Keskinen, H., et al., Evolution of particle composition in CLOUD nucleation experiments, Atmos. Chem. Phys., 13, 5587-5600, doi: 10.5194/acp-13-5587-2013, 2013.
Vogel, A. L., et al., Online atmospheric pressure chemical ionization ion trap mass spectrometry (APCI-IT-MSn) for measuring organic acids in concentrated bulk aerosol – a laboratory and field study, Atmos. Meas. Tech., 6, 431-443, doi:10.5194/amt-6-431-2013, 2013.

2012

Kulmala, M., et al., Measurement of the nucleation of atmospheric aerosol particles, Nature Protocols, 7(9), 1651-1667, doi: 10.1038/ nprot.2012.091, 2012.
Berndt, T., et al., Gas-Phase Ozonolysis of Selected Olefins: The Yield of Stabilized Criegee Intermediate and the Reactivity toward SO2, Journal of Physical Chemistry Letters, 3(19), 2892-2896. doi: 10.1021/Jz301158u, 2012.
Ehn, M., et al., Gas phase formation of extremely oxidized pinene reaction products in chamber and ambient air, Atmos. Chem. Phys., 12, 5113-5127, doi: 10.5194/acp-12-5113-2012, 2012.
Häkkinen, S. A. K., et al., Long-term volatility measurements of submicron atmospheric aerosol in Hyytiälä, Finland, Atmos. Chem. Phys., 12, 10771-10786, doi: 10.5194/acp-12-10771-2012, 2012.
Riccobono, F., et al., Contribution of sulfuric acid and oxidized organic compounds to particle formation and growth, Atmos. Chem. Phys., 12, 9427-9439, doi: 10.5194/acp-12-9427-2012, 2012.
Jokinen, T., et al., Atmospheric sulphuric acid and neutral cluster measurements using CI-APi-TOF, Atmos. Chem. Phys., 12, 4117-4125, doi: 10.5194/acp-12-4117-2012, 2012.

2011

Kurtén, T., et al., The effect of H2SO4 – amine clustering on chemical ionization mass spectrometry (CIMS) measurements of gas-phase sulfuric acid, Atmos. Chem. Phys., 11, 3007-3019, doi: 10.5194/acp-11-3007-2011, 2011.
Laitinen, T., et al., Characterization of organic compounds in 10-to 50-nm aerosol particles in boreal forest with laser desorption-ionization aerosol mass spectrometer and comparison with other techniques, Atmos. Environ., 45, 3711-3719, doi: 10.1016/j.atmosenv.2011.04.023, 2011.
Lehtipalo, K., et al.. Observations of Nano-CN in the nocturnal boreal forest, Aerosol Sci. Technol., 45, 499-509, doi: 10.1080/02786826.2010.547537, 2011.
Liao, L., et al., Monoterpene pollution episodes in a forest environment: Indication of anthropogenic origin and association with aerosol particles, Boreal Env. Res., 16, 288-303, 2011.
Manninen, H. E., et al., Characterisation of corona-generated ions used in a neutral cluster and air ion spectrometer (NAIS), Atmos. Meas. Tech., 4, 2767-2776, doi: 10.5194/amt-4-2767-2011, 2011.
Ehn, M., et al., An instrumental comparison of mobility and mass measurements of atmospheric small ions, Aerosol Sci. Tech., 45, 499-509, doi: 10.1080/02786826.2010.547890, 2011.

2010

T. Petäjä, et al., Experimental Observation of Strongly Bound Dimers of Sulfuric Acid: Application to Nucleation in the Atmosphere, Physical Review Letters, 106, doi.org/10.1103/PhysRevLett.106.228302, 2011.
Ehn, M., et al., Composition and temporal behavior of ambient ions in the boreal forest, Atmos. Chem. Phys., 10, 8513-8530, doi:10.5194/acp-10-8513-2010, 2010.
Junninen, H., et al., A high-resolution mass spectrometer to measure atmospheric ion composition, Atmos. Meas. Tech., 3, 1039-1053, doi:10.5194/amt-3-1039-2010, 2010.