Long-term total OH reactivity measurements in a boreal forest

by A. P. Praplan, T. Tykkä, D. Chen, M. Boy, D. Taipale, V. Vakkari, V. Vakkari, P. Zhou, T. Petäjä, H. Hellén
Published 2019-11-01

Hygroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid

by M. Ehn, T. Petäjä, H. Aufmhoff, P. Aalto, K. Hämeri, K. Hämeri, F. Arnold, A. Laaksonen, A. Laaksonen, M. Kulmala
Published 2007-01-01

Size distributions, sources and source areas of water-soluble organic carbon in urban background air

by H. Timonen, S. Saarikoski, O. Tolonen-Kivimäki, M. Aurela, K. Saarnio, T. Petäjä, P. P. Aalto, M. Kulmala, T. Pakkanen, R. Hillamo
Published 2008-09-01

Hygroscopic properties and cloud condensation nuclei activation of limonene-derived organosulfates and their mixtures with ammonium sulfate

by A. M. K. Hansen, J. Hong, T. Raatikainen, K. Kristensen, A. Ylisirniö, A. Virtanen, T. Petäjä, M. Glasius, N. L. Prisle
Published 2015-12-01

Aerosol particle formation in the upper residual layer

by J. Lampilahti, K. Leino, A. Manninen, P. Poutanen, A. Franck, M. Peltola, P. Hietala, L. Beck, L. Dada, L. Quéléver, R. Öhrnberg, Y. Zhou, M. Ekblom, V. Vakkari, V. Vakkari, S. Zilitinkevich, S. Zilitinkevich, V.-M. Kerminen, T. Petäjä, T. Petäjä, M. Kulmala, M. Kulmala, M. Kulmala
Published 2021-05-01

P116 CARDIAC OUTPUT IS INCREASED IN YOUNG PEOPLE WITH ELEVATED BP

by Chiara Nardin, Kaisa Maki-Petaja, Yasmin Yasmin, Barry McDonnell, John R. Cockcroft, Ian B. Wilkinson, Carmel M. McEniery
Published 2018-12-01

P.063 INDUCIBLE NITRIC OXIDE SYNTHASE ACTIVITY IS ASSOCIATED WITH INCREASED AORTIC STIFFNESS AND ENDOTHELIAL DYSFUNCTION

by K.M. Maki-Petaja, J. Cheriyan, F.C. Hall, S.M.L. Wallace, C.M. McEniery, I.B. Wilkinson
Published 2007-08-01

Comparison of estimates of central systolic blood pressure and peripheral augmentation index obtained from the Omron HEM-9000AI and SphygmoCor systems

by Charlotte J. Richardson, Kaisa M. Maki-Petaja, Barry J. McDonnell, Stacey S. Hickson, Ian B. Wilkinson, Carmel M. McEniery
Published 2009-02-01

Charged and total particle formation and growth rates during EUCAARI 2007 campaign in Hyytiälä

by H. E. Manninen, T. Nieminen, I. Riipinen, T. Yli-Juuti, S. Gagné, E. Asmi, P. P. Aalto, T. Petäjä, V.-M. Kerminen, M. Kulmala
Published 2009-06-01

Sulfuric acid and OH concentrations in a boreal forest site

by T. Petäjä, R. L. Mauldin, III, E. Kosciuch, J. McGrath, T. Nieminen, P. Paasonen, M. Boy, A. Adamov, T. Kotiaho, M. Kulmala
Published 2009-10-01

Online atmospheric pressure chemical ionization ion trap mass spectrometry (APCI-IT-MSⁿ) for measuring organic acids in concentrated bulk aerosol – a laboratory an...

by J. Williams, M. Kulmala, D. R. Worsnop, H. Junninen, T. Petäjä, M. Ehn, M. Brüggemann, M. Äijälä, A. L. Vogel, T. Hoffmann
Published 2013-02-01

Characterization of three new condensation particle counters for sub-3 nm particle detection during the Helsinki CPC workshop: the ADI versatile water CPC, TSI 3777 nano enhancer a...

by J. Kangasluoma, S. Hering, D. Picard, G. Lewis, J. Enroth, F. Korhonen, M. Kulmala, K. Sellegri, M. Attoui, M. Attoui, T. Petäjä
Published 2017-06-01

A new high-transmission inlet for the Caltech nano-RDMA for size distribution measurements of sub-3 nm ions at ambient concentrations

by A. Franchin, A. Downard, J. Kangasluoma, T. Nieminen, K. Lehtipalo, G. Steiner, H. E. Manninen, T. Petäjä, R. C. Flagan, M. Kulmala
Published 2016-06-01

Resolving anthropogenic aerosol pollution types – deconvolution and exploratory classification of pollution events

by M. Äijälä, L. Heikkinen, R. Fröhlich, F. Canonaco, A. S. H. Prévôt, H. Junninen, T. Petäjä, M. Kulmala, D. Worsnop, M. Ehn
Published 2017-03-01

Enhancement of atmospheric H₂SO₄ / H₂O nucleation: organic oxidation products versus amines

by T. Berndt, M. Sipilä, F. Stratmann, T. Petäjä, J. Vanhanen, J. Mikkilä, J. Patokoski, R. Taipale, R. L. Mauldin III, M. Kulmala
Published 2014-01-01

The origin of plasma neutrophil gelatinase-associated lipocalin in cardiac surgery

by Arie Passov, Liisa Petäjä, Marjut Pihlajoki, Ulla-Stina Salminen, Raili Suojaranta, Antti Vento, Sture Andersson, Ville Pettilä, Alexey Schramko, Eero Pesonen
Published 2019-05-01

Relating high ozone, ultrafine particles, and new particle formation episodes using cluster analysis

by Cristina Carnerero, Noemí Pérez, Tuukka Petäjä, Tiia M. Laurila, Lauri R. Ahonen, Jenni Kontkanen, Kang-Ho Ahn, Andrés Alastuey, Xavier Querol
Published 2019-10-01

Atmospheric new particle formation as a source of CCN in the eastern Mediterranean marine boundary layer

by N. Kalivitis, V.-M. Kerminen, G. Kouvarakis, I. Stavroulas, A. Bougiatioti, A. Nenes, H. E. Manninen, T. Petäjä, M. Kulmala, N. Mihalopoulos
Published 2015-08-01

On the growth of nucleation mode particles: source rates of condensable vapor in polluted and clean environments

by M. Kulmala, T. Petäjä, P. Mönkkönen, I. K. Koponen, M. Dal Maso, P. P. Aalto, K. E. J. Lehtinen, V.-M. Kerminen
Published 2005-01-01

Constructing a data-driven receptor model for organic and inorganic aerosol – a synthesis analysis of eight mass spectrometric data sets from a boreal forest site

by M. Äijälä, K. R. Daellenbach, F. Canonaco, L. Heikkinen, H. Junninen, H. Junninen, T. Petäjä, M. Kulmala, A. S. H. Prévôt, M. Ehn
Published 2019-03-01