@article{
 title = {Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from a-pinene ozonolysis},
 type = {article},
 year = {2014},
 identifiers = {[object Object]},
 pages = {182-190},
 volume = {19},
 websites = {http://www.borenv.net/BER/pdfs/ber19/ber19B-182.pdf},
 id = {e7aa5ea2-7a73-32c2-9d08-8578d4783214},
 created = {2016-07-07T17:20:59.000Z},
 file_attached = {false},
 profile_id = {2e2b0bf1-6573-3fd8-8628-55d1dc39fe31},
 last_modified = {2018-01-01T22:09:10.184Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 source_type = {Journal Article},
 notes = {Times Cited: 0<br/>Si<br/>B},
 private_publication = {false},
 abstract = {Organic compounds can enhance the hygroscopic properties of insoluble\ndust particles and thereby affect their cloud condensation nuclei\nactivity in the atmosphere. In this study, Arizona Test Dust (ATD)\nparticles were exposed to oxidized organic vapors from the ozonolysis of\nalpha-pinene in a laboratory chamber. The particle size-dependent\nmorphology, inorganic and organic composition and hygroscopic properties\nwere studied. The dust consisted of particles with a range of\nmorphologies from spherical to geometrical, with a size range from 50 nm\nto 1 mu pm. Exposure to oxidized organics resulted in a separate mode of\nsecondary organic aerosol (SOA) particles with size ranging below 100 nm\nand a well-mixed ATD + SOA mode at larger sizes. The O:C mole ratio for\nthe organics produced from alpha-pinene ozonolysis was stable at 0.4 +/-\n0.05 in all experiments. The results showed that the hygroscopicities of\nthe ATD particles with a diameter of 100-150 nm were enhanced by a\nfactor of four with the addition of SOA, corresponding to a particulate\norganic volume fraction of similar to 0.6 and an average kappa of 0.09.},
 bibtype = {article},
 author = {Keskinen, Helmi and Kortelainen, Aki Matti and Jaatinen, Antti and Yli-Pirilä, Pasi and Joutsensaari, Jorma and Romakkaniemi, Sami and Hao, Li Qing and Miettinen, Pasi and Virtanen, Annele and Worsnop, Douglas R. and Laaksonen, Ari and Smith, James N. and Torvela, Tiina and Laaksonen, Ari and Worsnop, Douglas R. and Smith, James N. and Romakkaniemi, Sami},
 journal = {Boreal Environment Research}
}

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In this study, Arizona Test Dust (ATD)\\nparticles were exposed to oxidized organic vapors from the ozonolysis of\\nalpha-pinene in a laboratory chamber. The particle size-dependent\\nmorphology, inorganic and organic composition and hygroscopic properties\\nwere studied. The dust consisted of particles with a range of\\nmorphologies from spherical to geometrical, with a size range from 50 nm\\nto 1 mu pm. Exposure to oxidized organics resulted in a separate mode of\\nsecondary organic aerosol (SOA) particles with size ranging below 100 nm\\nand a well-mixed ATD + SOA mode at larger sizes. The O:C mole ratio for\\nthe organics produced from alpha-pinene ozonolysis was stable at 0.4 +/-\\n0.05 in all experiments. The results showed that the hygroscopicities of\\nthe ATD particles with a diameter of 100-150 nm were enhanced by a\\nfactor of four with the addition of SOA, corresponding to a particulate\\norganic volume fraction of similar to 0.6 and an average kappa of 0.09.","bibtype":"article","author":"Keskinen, Helmi and Kortelainen, Aki Matti and Jaatinen, Antti and Yli-Pirilä, Pasi and Joutsensaari, Jorma and Romakkaniemi, Sami and Hao, Li Qing and Miettinen, Pasi and Virtanen, Annele and Worsnop, Douglas R. and Laaksonen, Ari and Smith, James N. and Torvela, Tiina and Laaksonen, Ari and Worsnop, Douglas R. and Smith, James N. and Romakkaniemi, Sami","journal":"Boreal Environment Research","bibtex":"@article{\n title = {Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from a-pinene ozonolysis},\n type = {article},\n year = {2014},\n identifiers = {[object Object]},\n pages = {182-190},\n volume = {19},\n websites = {http://www.borenv.net/BER/pdfs/ber19/ber19B-182.pdf},\n id = {e7aa5ea2-7a73-32c2-9d08-8578d4783214},\n created = {2016-07-07T17:20:59.000Z},\n file_attached = {false},\n profile_id = {2e2b0bf1-6573-3fd8-8628-55d1dc39fe31},\n last_modified = {2018-01-01T22:09:10.184Z},\n read = {false},\n starred = {false},\n authored = {true},\n confirmed = {true},\n hidden = {false},\n source_type = {Journal Article},\n notes = {Times Cited: 0<br/>Si<br/>B},\n private_publication = {false},\n abstract = {Organic compounds can enhance the hygroscopic properties of insoluble\\ndust particles and thereby affect their cloud condensation nuclei\\nactivity in the atmosphere. In this study, Arizona Test Dust (ATD)\\nparticles were exposed to oxidized organic vapors from the ozonolysis of\\nalpha-pinene in a laboratory chamber. The particle size-dependent\\nmorphology, inorganic and organic composition and hygroscopic properties\\nwere studied. The dust consisted of particles with a range of\\nmorphologies from spherical to geometrical, with a size range from 50 nm\\nto 1 mu pm. Exposure to oxidized organics resulted in a separate mode of\\nsecondary organic aerosol (SOA) particles with size ranging below 100 nm\\nand a well-mixed ATD + SOA mode at larger sizes. The O:C mole ratio for\\nthe organics produced from alpha-pinene ozonolysis was stable at 0.4 +/-\\n0.05 in all experiments. The results showed that the hygroscopicities of\\nthe ATD particles with a diameter of 100-150 nm were enhanced by a\\nfactor of four with the addition of SOA, corresponding to a particulate\\norganic volume fraction of similar to 0.6 and an average kappa of 0.09.},\n bibtype = {article},\n author = {Keskinen, Helmi and Kortelainen, Aki Matti and Jaatinen, Antti and Yli-Pirilä, Pasi and Joutsensaari, Jorma and Romakkaniemi, Sami and Hao, Li Qing and Miettinen, Pasi and Virtanen, Annele and Worsnop, Douglas R. and Laaksonen, Ari and Smith, James N. and Torvela, Tiina and Laaksonen, Ari and Worsnop, Douglas R. and Smith, James N. and Romakkaniemi, Sami},\n journal = {Boreal Environment Research}\n}","author_short":["Keskinen, H.","Kortelainen, A., M.","Jaatinen, A.","Yli-Pirilä, P.","Joutsensaari, J.","Romakkaniemi, S.","Hao, L., Q.","Miettinen, P.","Virtanen, A.","Worsnop, D., R.","Laaksonen, A.","Smith, J., N.","Torvela, T.","Laaksonen, A.","Worsnop, D., R.","Smith, J., N.","Romakkaniemi, S."],"urls":{"Website":"http://www.borenv.net/BER/pdfs/ber19/ber19B-182.pdf"},"bibbaseid":"keskinen-kortelainen-jaatinen-ylipiril-joutsensaari-romakkaniemi-hao-miettinen-etal-increasedhygroscopicityofarizonatestdustseedsbysecondaryorganicaerosolcoatingfromapineneozonolysis-2014","role":"author","downloads":0},"search_terms":["increased","hygroscopicity","arizona","test","dust","seeds","secondary","organic","aerosol","coating","pinene","ozonolysis","keskinen","kortelainen","jaatinen","yli-pirilä","joutsensaari","romakkaniemi","hao","miettinen","virtanen","worsnop","laaksonen","smith","torvela","laaksonen","worsnop","smith","romakkaniemi"],"keywords":[],"authorIDs":["5a4ab23928adc05f5a00000f"]}