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1.
NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere / Nie, Wei (Nanjing U. (main) ; Unlisted, CN ; Helsinki U. ; SYRTE, Paris) ; Yan, Chao (Nanjing U. (main) ; Unlisted, CN ; Helsinki U. ; SYRTE, Paris) ; Yang, Liwen (Nanjing U. (main)) ; Roldin, Pontus (Khlopin Radium Inst. ; Malmo U.) ; Liu, Yuliang (Nanjing U. (main)) ; Vogel, Alexander L (Frankfurt U., FIAS ; Frankfurt U.) ; Molteni, Ugo (PSI, Villigen ; UC, Irvine (main) ; Unlisted, US) ; Stolzenburg, Dominik (Helsinki U. ; Vienna U.) ; Finkenzeller, Henning (Colorado U.) ; Amorim, Antonio (CMAF, Lisbon) et al.
The interaction between nitrogen monoxide (NO) and organic peroxy radicals (RO$_{2}$) greatly impacts the formation of highly oxygenated organic molecules (HOM), the key precursors of secondary organic aerosols. It has been thought that HOM production can be significantly suppressed by NO even at low concentrations. [...]
2023 - 11 p. - Published in : Nature Commun. 14 (2023) 3347 Fulltext: PDF;
2.
High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures / Shen, Jiali ; Scholz, Wiebke ; He, Xu-Cheng ; Zhou, Putian ; Marie, Guillaume ; Wang, Mingyi ; Marten, Ruby ; Surdu, Mihnea ; Rörup, Birte ; Baalbaki, Rima et al.
Dimethyl sulfide (DMS) influences climate via cloud condensation nuclei (CCN) formation resulting from its oxidation products (mainly methanesulfonic acid, MSA, and sulfuric acid, H2SO4). Despite their importance, accurate prediction of MSA and H2SO4 from DMS oxidation remains challenging. [...]
2022 - 14 p. - Published in : Environ. Sci. Technol. 56 (2022) 13931-13944 Fulltext: PDF;
3.
Formation and growth of atmospheric nanoparticles in the eastern Mediterranean: results from long-term measurements and process simulations / Kalivitis, Nikos (Crete U. ; Athens Observ.) ; Kerminen, Veli-Matti (Helsinki U.) ; Kouvarakis, Giorgos (Crete U.) ; Stavroulas, Iasonas (Crete U. ; Cyprus Inst. ; Athens Observ.) ; Tzitzikalaki, Evaggelia (Crete U.) ; Kalkavouras, Panayiotis (Crete U. ; Athens Observ.) ; Daskalakis, Nikos (Crete U. ; Bremen U.) ; Myriokefalitakis, Stelios (Athens Observ. ; Utrecht U.) ; Bougiatioti, Aikaterini (Athens Observ.) ; Manninen, Hanna E (Helsinki U. ; CERN) et al.
Atmospheric new particle formation (NPF) is a common phenomenon all over the world. In this study we present the longest time series of NPF records in the eastern Mediterranean region by analyzing 10 years of aerosol number size distribution data obtained with a mobility particle sizer. [...]
2019 - 16 p. - Published in : Atmos. Chem. Phys. 19 (2019) 2671-2686
4.
Evaporation of sulfate aerosols at low relative humidity / Tsagkogeorgas, Georgios (TROPOS, Leibniz) ; Roldin, Pontus (Helsinki U. ; Lund U.) ; Duplissy, Jonathan (Helsinki U. ; Helsinki Inst. of Phys.) ; Rondo, Linda (Goethe U., Frankfurt (main)) ; Tröstl, Jasmin (PSI, Villigen) ; Slowik, Jay G (PSI, Villigen) ; Ehrhart, Sebastian (Goethe U., Frankfurt (main)) ; Franchin, Alessandro (Helsinki U.) ; Kürten, Andreas (Goethe U., Frankfurt (main)) ; Amorim, Antonio (Lisbon, CENTRA) et al.
Evaporation of sulfuric acid from particles can be important in the atmospheres of Earth and Venus. However, the equilibrium constant for the dissociation of H2SO4 to bisulfate ions, which is the one of the fundamental parameters controlling the evaporation of sulfur particles, is not well constrained. [...]
2017 - 16 p. - Published in : Atmos. Chem. Phys. 17 (2017) 8923-8938 External link: Fulltext

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