Identification of polymers as major components of atmospheric organic aerosols

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Author(s) Kalberer, Markus, Paulsen, Dwane, Sax, Mirjam, Steinbacher, Martin, Dommen, Josef, Prévǒt, André S.H., Fisseha, Rebeka, Weingartner, Ernest, Frankevich, Vladimir E., Zenobi, Renato, Baltensperger, Urs
Publication Type Journal Items, Publication Status: Published
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Title Identification of polymers as major components of atmospheric organic aerosols
Author(s) Kalberer, Markus
Paulsen, Dwane
Sax, Mirjam
Steinbacher, Martin
Dommen, Josef
Prévǒt, André S.H.
Fisseha, Rebeka
Weingartner, Ernest
Frankevich, Vladimir E.
Zenobi, Renato
Baltensperger, Urs
Journal or Series Title Science
Volume Number 303
Issue Number 5664
Start Page 1659
End Page 1662
ISSN 0036-8075
Publisher Science
Publication Place Cambridge, MA
Publication Date 2004-03-12
Abstract Results from photooxidation of aromatic compounds in a reaction chamber show that a substantial fraction of the organic aerosol mass is composed of polymers. This polymerization results from reactions of carbonyls and their hydrates. After aging for more than 20 hours, about 50% of the particle mass consists of polymers with a molecular mass up to 1000 daltons. This results in a lower volatility of this secondary organic aerosol and a higher aerosol yield than a model using vapor pressures of individual organic species would predict.
DOI 10.1126/science.1092185
Additional Notes Received 3 October 2003, Accepted 12 February 2004
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
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NEBIS System Number 000012517
Source Database ID WOS-000220151400041
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  author = "Kalberer, Markus and Paulsen, Dwane and Sax, Mirjam and Steinbacher, Martin and Dommen, Josef and Pr{\'{e}}v{\v{o}}t, Andr{\'{e}} S.H. and Fisseha, Rebeka and Weingartner, Ernest and Frankevich, Vladimir E. and Zenobi, Renato and Baltensperger, Urs",
  title = "{I}dentification of polymers as major components of atmospheric organic aerosols",
  journal = "Science",
  year = 2004,
  volume = "303",
  number = "5664",
  pages = "1659--1662",
  month = mar,

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