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Faraday Discuss. 2017 Aug 24;200:165-194. doi: 10.1039/c7fd00010c.

Condensed-phase biogenic-anthropogenic interactions with implications for cold cloud formation.

Faraday discussions

Joseph C Charnawskas, Peter A Alpert, Andrew T Lambe, Thomas Berkemeier, Rachel E O'Brien, Paola Massoli, Timothy B Onasch, Manabu Shiraiwa, Ryan C Moffet, Mary K Gilles, Paul Davidovits, Douglas R Worsnop, Daniel A Knopf

Affiliations

  1. Institute for Terrestrial and Planetary Atmospheres, School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, New York, USA. [email protected].

PMID: 28574555 DOI: 10.1039/c7fd00010c

Abstract

Anthropogenic and biogenic gas emissions contribute to the formation of secondary organic aerosol (SOA). When present, soot particles from fossil fuel combustion can acquire a coating of SOA. We investigate SOA-soot biogenic-anthropogenic interactions and their impact on ice nucleation in relation to the particles' organic phase state. SOA particles were generated from the OH oxidation of naphthalene, α-pinene, longifolene, or isoprene, with or without the presence of sulfate or soot particles. Corresponding particle glass transition (T

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