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CERN Document Server 7 notices trouvées  La recherche a duré 0.77 secondes. 
1.
Potential pre-industrial–like new particle formation induced by pure biogenic organic vapors in Finnish peatland / Huang, Wei (Helsinki U.) ; Junninen, Heikki (Tartu, Inst. Phys.) ; Garmash, Olga (Tampere U. of Tech. ; Washington U., Seattle) ; Lehtipalo, Katrianne (Helsinki U.) ; Stolzenburg, Dominik (TU Vienna) ; Lampilahti, Janne L P (Helsinki U.) ; Ezhova, Ekaterina (Helsinki U.) ; Schallhart, Simon (STUK, Helsinki) ; Rantala, Pekka (Helsinki U.) ; Aliaga, Diego (Helsinki U.) et al.
Pure biogenic new particle formation (NPF) induced by highly oxygenated organic molecules (HOMs) could be an important mechanism for pre-industrial aerosol formation. However, it has not been unambiguously confirmed in the ambient due to the scarcity of truly pristine continental locations in the present-day atmosphere or the lack of chemical characterization of NPF precursors. [...]
2024 - 11 p. - Published in : Sci. Adv. 10 (2024) adm9191 Fulltext: PDF;
2.
Role of sesquiterpenes in biogenic new particle formation / Dada, Lubna (PSI, Villigen ; Helsinki U.) ; Stolzenburg, Dominik (Helsinki U. ; Vienna U. ; TU Vienna) ; Simon, Mario (Frankfurt U.) ; Fischer, Lukas (Innsbruck U.) ; Heinritzi, Martin (Frankfurt U.) ; Wang, Mingyi (Carnegie Mellon U. ; Caltech) ; Xiao, Mao (PSI, Villigen) ; Vogel, Alexander L (Frankfurt U.) ; Ahonen, Lauri (Helsinki U.) ; Amorim, Antonio (Lisbon U.) et al.
Biogenic vapors form new particles in the atmosphere, affecting global climate. The contributions of monoterpenes and isoprene to new particle formation (NPF) have been extensively studied. [...]
2023 - 14 p. - Published in : Sci. Adv. 9 (2023) adi5297 Fulltext: PDF;
3.
The driving factors of new particle formation and growth in the polluted boundary layer / Xiao, Mao ; Hoyle, Christopher R ; Dada, Lubna ; Stolzenburg, Dominik ; Kürten, Andreas ; Wang, Mingyi ; Lamkaddam, Houssni ; Garmash, Olga ; Mentler, Bernhard ; Molteni, Ugo et al.
New particle formation (NPF) is a significant source of atmospheric particles, affecting climate and air quality. Understanding the mechanisms involved in urban aerosols is important to develop effective mitigation strategies. [...]
2021 - 17 p. - Published in : Atmos. Chem. Phys. 21 (2021) 14275-14291 Fulltext: PDF; Supplement: PDF;
4.
Molecular understanding of the suppression of new-particle formation by isoprene / Heinritzi, Martin (Frankfurt U.) ; Dada, Lubna (Helsinki U.) ; Simon, Mario (Frankfurt U.) ; Stolzenburg, Dominik (Vienna U.) ; Wagner, Andrea C (Frankfurt U. ; U. Colorado, Boulder) ; Fischer, Lukas (Innsbruck U.) ; Ahonen, Lauri R (Helsinki U.) ; Amanatidis, Stavros (Caltech, Pasadena (main)) ; Baalbaki, Rima (Helsinki U.) ; Baccarini, Andrea (PSI, Villigen) et al.
Nucleation of atmospheric vapours produces more than half of global cloud condensation nuclei and so has an important influence on climate. Recent studies show that monoterpene (C$_{10}$H$_{16}$) oxidation yields highly oxygenated products that can nucleate with or without sulfuric acid. [...]
2020 - 13 p. - Published in : Atmos. Chem. Phys. 20 (2020) 11809-11821
5.
Role of iodine oxoacids in atmospheric aerosol nucleation / He, Xu-Cheng (Helsinki U.) ; Tham, Yee Jun (Helsinki U.) ; Dada, Lubna (Helsinki U.) ; Wang, Mingyi (Carnegie Mellon U.) ; Finkenzeller, Henning (U. Colorado, Boulder) ; Stolzenburg, Dominik (Vienna U. ; Helsinki U.) ; Iyer, Siddharth (Tampere U. of Tech.) ; Simon, Mario (Frankfurt U., FIAS) ; Kürten, Andreas (Frankfurt U., FIAS) ; Shen, Jiali (Helsinki U.) et al.
Iodic acid (HIO3) is known to form aerosol particles in coastal marine regions, but predicted nucleation and growth rates are lacking. Using the CERN CLOUD (Cosmics Leaving Outdoor Droplets) chamber, we find that the nucleation rates of HIO3 particles are rapid, even exceeding sulfuric acid–ammonia rates under similar conditions. [...]
2021 - 7 p. - Published in : Science 371 (2021) 589-595
6.
Rapid growth of organic aerosol nanoparticles over a wide tropospheric temperature range / Stolzenburg, Dominik (Vienna U.) ; Fischer, Lukas (Innsbruck U.) ; Vogel, Alexander L (Frankfurt U. ; CERN ; PSI, Villigen) ; Heinritzi, Martin (Frankfurt U.) ; Schervish, Meredith (Carnegie Mellon U.) ; Simon, Mario (Frankfurt U.) ; Wagner, Andrea C (Frankfurt U.) ; Dada, Lubna (Helsinki U.) ; Ahonen, Lauri R (Helsinki U.) ; Amorim, Antonio (Lisbon U. ; CMAF, Lisbon) et al.
Nucleation and growth of aerosol particles from atmospheric vapors constitutes a major source of global cloud condensation nuclei (CCN). The fraction of newly formed particles that reaches CCN sizes is highly sensitive to particle growth rates, especially for particle sizes <10 nm, where coagulation losses to larger aerosol particles are greatest. [...]
2018 - 6 p. - Published in : Proc. Natl. Acad. Sci. U. S. A. 115 (2018) 9122-9127
7.
Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors / Lehtipalo, Katrianne (U. Helsinki (main) ; PSI, Villigen ; Finnish Meteorological Inst.) ; Yan, Chao (U. Helsinki (main)) ; Dada, Lubna (U. Helsinki (main)) ; Bianchi, Federico (U. Helsinki (main)) ; Xiao, Mao (PSI, Villigen) ; Wagner, Robert (U. Helsinki (main)) ; Stolzenburg, Dominik (Vienna U.) ; Ahonen, Lauri R (U. Helsinki (main)) ; Amorim, Antonio (Lisbon, CENTRA ; Lisbon U.) ; Baccarini, Andrea (PSI, Villigen) et al.
A major fraction of atmospheric aerosol particles, which affect both air quality and climate, form from gaseous precursors in the atmosphere. Highly oxygenated organic molecules (HOMs), formed by oxidation of biogenic volatile organic compounds, are known to participate in particle formation and growth. [...]
2018 - 10 p. - Published in : Sci. Adv. 4 (2018) eaau5363 Fulltext: PDF;

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