Photo of Katrianne Lehtipalo
  • PL 64 (Gustaf Hällströmin katu 2)

    00014

    Finland

20082019
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Publications 2008 2019

2014

Concentrations of sub-3nm atmospheric clusters in different environmental conditions

Kontkanen, J., Lehtipalo, K., Kangasluoma, J. P., Manninen, H. E., Järvinen, E., Laaksonen, A., Rose, C., Sellegri, K., Asmi, E., Lee, S., Petaja, T. & Kulmala, M., 2014, Proceedings of the Center of Excellence in Atmospheric Sciences (CoE ATM): Molecular and Biological Processes to the Global Climate’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (eds.). Helsinki: Aerosolitutkimusseura ry, p. 350-353 4 p. (Report Series in Aerosol Science; vol. 2014, no. 157).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change: summary and outlook

Kulmala, M., Lappalainen, H. K., Back, J., Laaksonen, A., Nikinmaa, E., Riekkola, M-L., Vesala, T., Viisanen, Y., Aalto, T., Boy, M., Dal Maso, M., Ehn, M., Hakola, H., Hari, P., Hartonen, K., Hameri, K., Holtta, T., Junninen, H., Jarvi, L., Kurten, T. & 19 othersLauri, A., Laurila, T., Lehtipalo, K., Lihavainen, H., Lintunen, A., Mammarella, I., Manninen, H. E., Petaja, T., Pihlatie, M., Pumpanen, J., Rinne, J., Romakkaniemi, S., Ruuskanen, T., Sipila, M., Sorvari, S., Vehkamaki, H., Virtanen, A., Worsnop, D. R. & Kerminen, V-M., 2014, In : Boreal Environment Research. 19, suppl. B, p. 2-19 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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From boreal forest to mountain top: observations of sub 3-nm atmospheric clusters and particles in different environments

Kontkanen, J., Lehtipalo, K., Kangasluoma, J. P., Manninen, H. E., Järvinen, E., Hakala, J. P., Laaksonen, A., Rose, C., Sellegri, K., Asmi, E., Petaja, T. & Kulmala, M., 2014, Unknown host publication. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Growth of small atmospheric clusters a comparison of growth rates based on cluster appearance times and collision–evaporation fluxes

Olenius, T., Riipinen, I., Lehtipalo, K. & Vehkamäki, H., 2014, Proceedings of 'the Center of Excellence in Atmospheric Sciences (CoE ATM): From Molecular and Biological Processes to the Global Climate’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (eds.). Helsinki: Aerosolitutkimusseura ry, p. 487-490 4 p. (Report Series in Aerosol Science; vol. 2014, no. 157).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Growth of small molecular clusters: comparison of growth rates determined from cluster appearance times and collision–evaporation fluxes

Olenius, T., Riipinen, I., Lehtipalo, K. & Vehkamäki, H., 2014, Unknown host publication.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Growth rates of atmospheric molecular clusters based on appearance times and collision-evaporation fluxes: Growth by monomers

Olenius, T., Riipinen, I., Lehtipalo, K. & Vehkamaki, H., Dec 2014, In : Journal of Aerosol Science. 78, p. 55-70 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Insight into Acid-Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters

Bianchi, F., Praplan, A. P., Sarnela, N., Dommen, J., Kuerten, A., Ortega, I. K., Schobesberger, S., Junninen, H., Simon, M., Troestl, J., Jokinen, T., Sipilä, M., Adamov, A., Amorim, A., Almeida, J., Breitenlechner, M., Duplissy, J., Ehrhart, S., Flagan, R. C., Franchin, A. & 30 othersHakala, J., Hansel, A., Heinritzi, M., Kangasluoma, J., Keskinen, H., Kim, J., Kirkby, J., Laaksonen, A., Lawler, M. J., Lehtipalo, K., Leiminger, M., Makhmutov, V., Mathot, S., Onnela, A., Petäjä, T., Riccobono, F., Rissanen, M. P., Rondo, L., Tome, A., Virtanen, A., Viisanen, Y., Williamson, C., Wimmer, D., Winkler, P. M., Ye, P., Curtius, J., Kulmala, M., Worsnop, D. R., Donahue, N. M. & Baltensperger, U., 2 Dec 2014, In : Environmental Science & Technology. 48, 23, p. 13675-13684 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Methods for determining particle size distribution and growth rates between 1 and 3 nm using the Particle Size Magnifier

Lehtipalo, K., Leppa, J., Kontkanen, J., Kangasluoma, J., Franchin, A., Wimnner, D., Schobesberger, S., Junninen, H., Petaja, T., Sipila, M., Mikkila, J., Vanhanen, J., Worsnop, D. R. & Kulmala, M., Sep 2014, In : Boreal Environment Research. 19, B, p. 215-236 22 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Naisfyysikon kynästä: hiukkasen fysiikkaa

Lehtipalo, K., 13 May 2014, In : LUMA.fi Sanomat.

Research output: Contribution to journalArticleGeneral public

Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real time under atmospheric conditions

Kuerten, A., Jokinen, T., Simon, M., Sipilä, M., Sarnela, N., Junninen, H., Adamov, A., Almeida, J., Amorim, A., Bianchi, F., Breitenlechner, M., Dommen, J., Donahue, N. M., Duplissy, J., Ehrhart, S., Flagan, R. C., Franchin, A., Hakala, J., Hansel, A., Heinritzi, M. & 28 othersHutterli, M., Kangasluoma, J., Kirkby, J., Laaksonen, A., Lehtipalo, K., Leiminger, M., Makhmutov, V., Mathot, S., Onnela, A., Petäjä, T., Praplan, A. P., Riccobono, F., Rissanen, M. P., Rondo, L., Schobesberger, S., Seinfeld, J. H., Steiner, G., Tome, A., Troestl, J., Winkler, P. M., Williamson, C., Wimmer, D., Ye, P., Baltensperger, U., Carslaw, K. S., Kulmala, M., Worsnop, D. R. & Curtius, J., 21 Oct 2014, In : Proceedings of the National Academy of Sciences of the United States of America. 111, 42, p. 15019-15024 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Observations of sub-3nm atmospheric clusters and particles in different environments

Kontkanen, J., Lehtipalo, K., Kangasluoma, J. P., Manninen, H. E., Järvinen, E., Laaksonen, A., Rose, C., Sellegri, K., Asmi, EI., Lee, S., Petaja, T. & Kulmala, M., 2014, Unknown host publication.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles

Riccobono, F., Schobesberger, S., Scott, C. E., Dommen, J., Ortega, I. K., Rondo, L., Almeida, J., Amorim, A., Bianchi, F., Breitenlechner, M., David, A., Downard, A., Dunne, E. M., Duplissy, J., Ehrhart, S., Flagan, R. C., Franchin, A., Hansel, A., Junninen, H., Kajos, M. & 35 othersKeskinen, H., Kupc, A., Kuerten, A., Kvashin, A. N., Laaksonen, A., Lehtipalo, K., Makhmutov, V., Mathot, S., Nieminen, T., Onnela, A., Petäjä, T., Praplan, A. P., Santos, F. D., Schallhart, S., Seinfeld, J. H., Sipilä, M., Spracklen, D. V., Stozhkov, Y., Stratmann, F., Tome, A., Tsagkogeorgas, G., Vaattovaara, P., Viisanen, Y., Vrtala, A., Wagner, P. E., Weingartner, E., Wex, H., Wimmer, D., Carslaw, K. S., Curtius, J., Donahue, N. M., Kirkby, J., Kulmala, M., Worsnop, D. R. & Baltensperger, U., 16 May 2014, In : Science. 344, 6185, p. 717-721 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Sub-3 nm particle size and composition dependent response of a nano-CPC battery

Kangasluoma, J., Kuang, C., Wimmer, D., Rissanen, M. P., Lehtipalo, K., Ehn, M., Worsnop, D. R., Wang, J., Kulmala, M. & Petaja, T., 2014, In : Atmospheric Measurement Techniques. 7, 3, p. 689-700 12 p.

Research output: Contribution to journalArticleScientificpeer-review

2013

A10 PSM: A new version of the particle size magnifier for detection of atmospheric clusters and particles as small as 1 nm

Lehtipalo, K., Franchin, A., Kontkanen, J., Mikkilä, J., Vanhanen, J., Kangasluoma, J. P., Petaja, T. & Kulmala, M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 330-332 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

A method to determine the size distribution of recombination products from atmospheric measurements

Kontkanen, J., Nieminen, T., Manninen, H. E., Lehtipalo, K., Kerminen, V-M., Kulmala, M. & Lehtinen, K., 2013, Unknown host publication.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Contribution of oxidized organic compounds to nanoparticle growth

Nieminen, T., Franchin, A., Lehtipalo, K., Schobesberger, S., Sarnela, N., Jokinen, T., Duplissy, J., Sipila, M., Kulmala, M. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 363-366 4 p.

Research output: Contribution to journalConference articleScientific

Determination of the Size Distribution of Recombination Products from Atmospheric Measurements

Kontkanen, J., Nieminen, T., Manninen, H., Lehtipalo, K., Kerminen, V-M., Lehtinen, K. E. J. & Kulmala, M., 2013, In : AIP Conference Proceedings. 1527, p. 238-241 4 p.

Research output: Contribution to journalConference articleScientific

Direct Observations of Atmospheric Aerosol Nucleation

Kulmala, M., Kontkanen, J., Junninen, H., Lehtipalo, K., Manninen, H. E., Nieminen, T., Petaja, T., Sipilä, M. J., Schobesberger, S., Rantala, P., Franchin, A., Jokinen, T., Järvinen, E. P., Äijälä, M., Kangasluoma, J. P., Hakala, J. P., Aalto, P. P., Paasonen, P., Mikkilä, J., Vanhanen, J. & 19 othersAalto, J., Hakola, H., Makkonen, U., Ruuskanen, T., Mauldin III, R., Duplissy, J., Vehkamäki, H., Bäck, J., Kortelainen, A., Riipinen, I., Kurten, T. C., Johnston, M., Smith, J., Ehn, M. K., Mentel, T., Lehtinen, K., Laaksonen, A., Kerminen, V-M. & Worsnop, D., 22 Feb 2013, In : Science. 339, 6122, p. 943-946 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Effect of ions on sulphuric acid-water binary nucleation: experimental data and comparison with improved classical nucleation theory

Duplissy, J., Merikanto, J., Wimmer, D., Rondo, L., Vuollekoski, H., Schobesberger, S., Franchin, A., Lehtipalo, K., Kuerten, A., Tsagkogeorgas, G., Riccobono, F., Bianchi, F., Praplan, A., Steiner, G., Kangasluoma, J., Junninen, H., Nieminen, T., Breitenlechner, M., Ehrhart, S., Sitals, R. & 7 othersAmorin, A., Tome, A., Määttänen, A., Kupc, A., Vehkamäki, H., Kulmala, M. & CLOUD Collaboration, 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. Kulmala, M., Lappalainen, H. K., Brus, M. & Kontkanen, J. (eds.). Helsinki, p. 208-210 3 p. (Report Series in Aerosol Science; no. 142).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Estimating the contribution of ion-ion recombination to sub-2 nm cluster concentrations from atmospheric measurements

Kontkanen, J., Lehtinen, K. E. J., Nieminen, T., Manninen, H. E., Lehtipalo, K., Kerminen, V-M. & Kulmala, M., 2013, In : Atmospheric Chemistry and Physics. 13, 22, p. 11391-11401 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Evolution of Alpha-Pinene Oxidation Products in the Presence of Varying Oxidizers: CI-APi-TOF Point of View

Rissanen, M. P., Jokinen, T., Schobesberger, S., Praplan, A. P., Sipila, M., Sarnela, N., Junninen, H., Duplissy, J., Kangasluoma, J., Hakala, J., Wimmer, D., Adamov, A., Lehtipalo, K., Nieminen, T., Kulmala, M., Worsnop, D. R. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 371-373 3 p.

Research output: Contribution to journalConference articleScientific

Evolution of particle composition in CLOUD nucleation experiments

Keskinen, H-M., Joutsensaari, J., Tsagkogeorgas, G., Duplissy, J., Schobesberger, S., Gysel, M., Riccobono, F., Slowik, J. G., Bianchi, F., Yli-Juuti, T., Lehtipalo, K., Rondo, L., Breitenlechner, M., Kupc, A., Almeida, J., Amorim, A., Dunne, E. M., Downard, A. J., Ehrhart, S., Franchin, A. & 31 othersKajos, M. K., Kirkby, J., Kuerten, A., Nieminen, T., Makhmutov, V., Mathot, S., Onnela, A., Petäjä, T., Praplan, A., Santos, F. D., Schallhart, S., Sipilä, M., Stozhkov, Y., Tome, A., Vaattovaara, P., Wimmer, D., Prevot, A., Dommen, J., Donahue, N. M., Flagan, R. C., Weingartner, E., Viisanen, Y., Riipinen, I., Hansel, A., Curtius, J., Kulmala, M., Worsnop, D. R., Baltensperger, U., Wex, H., Stratmann, F. & Laaksonen, A., 2013, In : Atmospheric Chemistry and Physics. 13, 11, p. 5587-5600 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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How Do Amines Affect the Growth of Recently Formed Aerosol Particles

Lehtipalo, K., Schobesberger, S., Sipila, M., Jokinen, T., Sarnela, N., Franchin, A., Nieminen, T., Riccobono, F., Duplissy, J., Riipinen, I., Kulmala, M., Worsnop, D. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 295-297 3 p.

Research output: Contribution to journalConference articleScientific

Improving the size resolution of air ion measurements in the 1-6 nm range

Franchin, A., Kangasluoma, J. P., Nieminen, T., Lehtipalo, K., Downard, A., Duplissy, J., Petaja, T., Flagan, R., Kulmala, M. & CLOUD Collaboration, 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 211-213 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Investigations on the spatiotemporal properties of new particle formation events in a boreal forest environment

Lampilahti, J., Manninen, H. E., Nieminen, T., Mirme, S., Pullinen, I., Yli-Juuti, T., Schobesberger, S., Kangasluoma, J. P., Lehtipalo, K., Mentel, T. F., Petaja, T. & Kulmala, M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 324-328 5 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Ion Generation And CPC Detection Efficiency Studies In Sub 3-nm Size Range

Kangasluoma, J., Junninen, H., Lehtipalo, K., Mikkilä, J., Vanhanen, J., Attoui, M., Sipilä, M., Worsnop, D., Kulmala, M. & Petäjä, T., 2013, Nucleation and Atmospheric Aerosols: 19th International Conference. DeMott, P. J. & O'Dowd, C. D. (eds.). AIP Publishing, p. 192-196 5 p. (AIP Conference Proceedings; vol. 1527).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Long-term aerosol and trace gas measurements in Eastern Lapland, Finland: the impact of Kola air pollution to new particle formation and potential CCN

Kyrö, E-M., Väänänen, R., Kerminen, V-M., Virkkula, A. O., Asmi, A., Nieminen, T., Dal Maso, M., Petaja, T., Keronen, P. I. R., Aalto, P. P., Riipinen, I., Lehtipalo, K., Hari, P. & Kulmala, M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 320-323 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Measurements of cluster composition in new particle formation from sulphuric acid, small bases, and oxidised organics

Schobesberger, S., Junninen, H., Franchin, A., Bianchi, F., Dommen, J., Donahue, N. M., Duplissy, J., Ehn, M. K., Lehtipalo, K., Lönn, G., Nieminen, T., Ortega Colomer, I. K., Sipilä, M. J., Petaja, T., Kulmala, M., Worsnop, D. & CLOUD Collaboration, 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 496-499 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Measurements of Cluster Ions Using a Nano Radial DMA and a Particle Size Magnifier in CLOUD

Franchin, A., Kangasluoma, J., Lehtipalo, K., Downard, A., Nieminen, T., Schobesberger, S., Duplissy, J., Petaja, T., Flagan, R., Kulmala, M. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 287-290 4 p.

Research output: Contribution to journalConference articleScientific

Measuring Composition & Growth of Ion Clusters of Sulfuric Acid, Ammonia, Amines & Oxidized Organics as First Steps of Nucleation in the CLOUD Experiment

Schobesberger, S., Praplan, A., Junninen, H., Bianchi, F., Lönn, G., Ehn, M., Lehtipalo, K., Dommen, J., Ehrhart, S., Franchin, A., Ortega, I. K., Riccobono, F., Duplissy, J., Rissanen, M., Sipilä, M., Petäjä, T., Kulmala, M., Donahue, N. M., Worsnop, D. R. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 298-301 4 p.

Research output: Contribution to journalConference articleScientific

Molecular Steps of Neutral Sulfuric Acid and Dimethylamine Nucleation in CLOUD

Jokinen, T., Sarnela, N., Sipilä, M. J., Junninen, H., Lehtipalo, K., Duplissy, J. & CLOUD collaboration, Jun 2013, In : AIP Conference Proceedings. 1527, p. 302-305 4 p., 302.

Research output: Contribution to journalConference articleScientific

Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

Schobesberger, S., Junninen, H., Bianchi, F., Lönn, G., Ehn, M., Lehtipalo, K., Dommen, J., Ehrhart, S., Ortega, I. K., Franchin, A., Nieminen, T., Riccobono, F., Hutterli, M., Duplissy, J., Almeida, J., Amorim, A., Breitenlechner, M., Downard, A. J., Dunne, E. M., Flagan, R. C. & 27 othersKajos, M., Keskinen, H., Kirkby, J., Kupc, A., Kürten, A., Kurtén, T., Laaksonen, A., Mathot, S., Onnela, A., Praplan, A. P., Rondo, L., Santos, F. D., Schallhart, S., Schnitzhofer, R., Sipilä, M., Tomé, A., Tsagkogeorgas, G., Vehkamäki, H., Wimmer, D., Baltensperger, U., Carslaw, K. S., Curtius, J., Hansel, A., Petäjä, T., Kulmala, M., Donahue, N. M. & Worsnop, D. R., 22 Oct 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 43, p. 17223-17228 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere

Almeida, J., Schobesberger, S., Kuerten, A., Ortega, I. K., Kupiainen, O., Praplan, A. P., Adamov, A., Amorim, A., Bianchi, F., Breitenlechner, M., David, A., Dommen, J., Donahue, N. M., Downard, A., Dunne, E., Duplissy, J., Ehrhart, S., Flagan, R. C., Franchin, A., Guida, R. & 59 othersHakala, J., Hansel, A., Heinritzi, M., Henschel, H., Jokinen, T., Junninen, H., Kajos, M., Kangasluoma, J., Keskinen, H., Kupc, A., Kurten, T., Kvashin, A. N., Laaksonen, A., Lehtipalo, K., Leiminger, M., Leppa, J., Loukonen, V., Makhmutov, V., Mathot, S., McGrath, M. J., Nieminen, T., Olenius, T., Onnela, A., Petäjä, T., Riccobono, F., Riipinen, I., Rissanen, M., Rondo, L., Ruuskanen, T., Santos, F. D., Sarnela, N., Schallhart, S., Schnitzhofer, R., Seinfeld, J. H., Simon, M., Sipilä, M., Stozhkov, Y., Stratmann, F., Tome, A., Troestl, J., Tsagkogeorgas, G., Vaattovaara, P., Viisanen, Y., Virtanen, A., Vrtala, A., Wagner, P. E., Weingartner, E., Wex, H., Williamson, C., Wimmer, D., Ye, P., Yli-Juuti, T., Carslaw, K. S., Kulmala, M., Curtius, J., Baltensperger, U., Worsnop, D. R., Vehkamäki, H. & Kirkby, J., 17 Oct 2013, In : Nature. 502, 7471, p. 359-363 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Nucleation of H2SO4 and Oxidized Organics in CLOUD experiment

Sipila, M., Sarnela, N., Jokinen, T., Nieminen, T., Almeida, J., Troestl, J., Lehtipalo, K., Duplissy, J., Junninen, H. & CLOUD Collaboration, 2013, In : AIP Conference Proceedings. 1527, p. 318-321 4 p.

Research output: Contribution to journalConference articleScientific

Observations of sub 3-nm atmospheric clusters and particles in different environments

Kontkanen, J., Lehtipalo, K., Kangasluoma, J. P., Manninen, H. E., Järvinen, E. P., Hakala, J. P., Hamad, A., Laaksonen, A., Rose, C., Sellegri, K., Asmi, E., Petaja, T. & Kulmala, M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 283-286 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

On Atmospheric Neutral and Ion Clusters observed in Hyytiala Spring 2011

Kulmala, M., Kontkanen, J., Junninen, H., Lehtipalo, K., Nieminen, T., Manninen, H. E., Petaja, T., Schobesberger, S., Kangasluoma, J., Sipila, M., Vehkamaki, H., Worsnop, D. R. & Kerminen, V-M., 2013, In : AIP Conference Proceedings. 1527, p. 169-172 4 p.

Research output: Contribution to journalConference articleScientific

Performance of diethylene glycol-based particle counters in the sub-3 nm size range

Wimmer, D., Lehtipalo, K., Franchin, A., Kangasluoma, J., Kreissl, F., Kuerten, A., Kupc, A., Metzger, A., Mikkila, J., Petaja, T., Riccobono, F., Vanhanen, J., Kulmala, M. & Curtius, J., 2013, In : Atmospheric Measurement Techniques. 6, 7, p. 1793-1804 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Remarks on Ion Generation for CPC Detection Efficiency Studies in Sub-3-nm Size Range

Kangasluoma, J., Junninen, H., Lehtipalo, K., Mikkila, J., Vanhanen, J., Attoui, M., Sipila, M., Worsnop, D., Kulmala, M. & Petaja, T., 1 May 2013, In : Aerosol Science and Technology. 47, 5, p. 556-563 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Sub3-nm growth rates in the CLOUD experiment

Wimmer, D., Lehtipalo, K., Petaja, T., Kulmala, M., Curtius, J. & CLOUD Collaboration, 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 550-553 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Sulphur Dioxide and Sulphuric Acid Concentrations in the Vicinity of Kilpilahti Industrial Area

Sarnela, N., Jokinen, T., Junninen, H., Hakala, J., Taipale, R., Patokoski, J., Kajos, M., Schobesberger, S., Lehtipalo, K., Sipila, M., Teittinen, J., Westerholm, H., Larnimaa, K., Petaja, T. & Kulmala, M., 2013, In : AIP Conference Proceedings. 1527, p. 629-632 4 p.

Research output: Contribution to journalConference articleScientific

The Particle Size Magnifier Closing the Gap between Measurement of Molecules, Molecular Clusters and Aerosol Particles

Mikkilä, J., Lehtipalo, K., Kangasluoma, J., Franchin, A., Sipila, M., Jokinen, T., Sarnela, N., Schobesberger, S., Junninen, H., Kulmala, M., Worsnop, D. & Petaja, T., 2013, In : AIP Conference Proceedings. 1527, p. 189-191 3 p.

Research output: Contribution to journalConference articleScientific

2012

Direct observations of atmospheric sub-2 nm neutral and charged clusters

Kontkanen, J., Kulmala, M. T., Lehtipalo, K., Manninen, H. E., Petäjä, T. T., Sipilä, M. J., Junninen, H., Schobesberger, S., Rantala, P. A. I., Franchin, A., Jokinen, T. B. A., Järvinen, E. P., Äijälä, M. Y. E., Kangasluoma, J. P., Nieminen, T. J., Hakala, J. P., Aalto, P. P., Paasonen, P. J., Mikkilä, J. T., Vanhanen, J. J. & 10 othersAalto, J. A., Ruuskanen, T. M., Mauldin III, R. L., Duplissy, J., Bäck, J. K., Riipinen, I. A., Johnston, M., Smith, J., Kerminen, V-M. & Worsnop, D. R., 2012, Proceedings of the European Aerosol Conference 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Long-term volatility measurements of submicron atmospheric aerosol in Hyytiala, Finland

Häkkinen, S., Aijala, M., Lehtipalo, K., Junninen, H., Backman, J., Virkkula, A., Nieminen, T., Vestenius, M., Hakola, H., Ehn, M., Worsnop, D. R., Kulmala, M., Petaja, T. & Riipinen, I., 2012, In : Atmospheric Chemistry and Physics. 12, 22, p. 10771-10786 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Measurement of the nucleation of atmospheric aerosol particles

Kulmala, M., Petaja, T., Nieminen, T., Sipila, M., Manninen, H. E., Lehtipalo, K., Dal Maso, M., Aalto, P. P., Junninen, H., Paasonen, P., Riipinen, I., Lehtinen, K. E. J., Laaksonen, A. & Kerminen, V-M., 1 Sep 2012, In : Nature Protocols. 7, 9, p. 1651-1667 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Neutral and charged sub-2nm clusters in boreal forest boundary layer

Kontkanen, J., Hakala, S., Nieminen, T. J., Lehtipalo, K., Manninen, H. E., Petäjä, T. T. & Kulmala, M. T., 2012, Proceedings of The Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change (FCoE) Annual Meeting 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Neutral and charged sub-2nm clusters in boreal forest boundary layer

Kontkanen, J., Hakala, S., Nieminen, T. J., Lehtipalo, K., Manninen, H. E., Petäjä, T. T. & Kulmala, M. T., 2012, Proceedings of the Cryosphere-Atmosphere Interactions in a Changing Arctic Climate (CRAICC) Annual Meeting 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2011

A new nanoscale ion differential mobility particle sizer

Hakala, J. P., Sipilä, M. J., Lehtipalo, K., Järvinen, E. P., Siivola, E., Kulmala, M. & Petaja, T., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 18.–20.5.2011. p. 108-110 3 p. (Report series in aerosol science; vol. 126).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

An overview of recent instrument development at University of Helsinki

Petäjä, T., Sipilä, M. J., Lehtipalo, K., Manninen, H. E., Junninen, H., Ruuskanen, T., Ehn, M. K., Vanhanen, J., Vehkamäki, H., Worsnop, D. & Kulmala, M., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 18.–20.5.2011. p. 309-314 6 p. (Report series in aerosol science; vol. 126).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Atmospheric ions and nucleation: a review of observations

Hirsikko, A., Nieminen, T., Gagne, S., Lehtipalo, K., Manninen, H. E., Ehn, M., Horrak, U., Kerminen, V-M., Laakso, L., McMurry, P. H., Mirme, A., Mirme, S., Petaja, T., Tammet, H., Vakkari, V., Vana, M. & Kulmala, M., 2011, In : Atmospheric Chemistry and Physics. 11, p. 767-798 32 p.

Research output: Contribution to journalArticleScientificpeer-review