Unexpected epoxide formation in the gas-phase photooxidation of isoprene

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Standard

Unexpected epoxide formation in the gas-phase photooxidation of isoprene. / Paulot, Fabien; Crounse, John D; Kjaergaard, Henrik G; Kürten, Andreas; St Clair, Jason M; Seinfeld, John H; Wennberg, Paul O.

I: Science, Bind 325, Nr. 5941, 2009, s. 730-733.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Paulot, F, Crounse, JD, Kjaergaard, HG, Kürten, A, St Clair, JM, Seinfeld, JH & Wennberg, PO 2009, 'Unexpected epoxide formation in the gas-phase photooxidation of isoprene', Science, bind 325, nr. 5941, s. 730-733. https://doi.org/10.1126/science.1172910

APA

Paulot, F., Crounse, J. D., Kjaergaard, H. G., Kürten, A., St Clair, J. M., Seinfeld, J. H., & Wennberg, P. O. (2009). Unexpected epoxide formation in the gas-phase photooxidation of isoprene. Science, 325(5941), 730-733. https://doi.org/10.1126/science.1172910

Vancouver

Paulot F, Crounse JD, Kjaergaard HG, Kürten A, St Clair JM, Seinfeld JH o.a. Unexpected epoxide formation in the gas-phase photooxidation of isoprene. Science. 2009;325(5941):730-733. https://doi.org/10.1126/science.1172910

Author

Paulot, Fabien ; Crounse, John D ; Kjaergaard, Henrik G ; Kürten, Andreas ; St Clair, Jason M ; Seinfeld, John H ; Wennberg, Paul O. / Unexpected epoxide formation in the gas-phase photooxidation of isoprene. I: Science. 2009 ; Bind 325, Nr. 5941. s. 730-733.

Bibtex

@article{bb94d3601a2111df8ed1000ea68e967b,
title = "Unexpected epoxide formation in the gas-phase photooxidation of isoprene",
abstract = "  Emissions of nonmethane hydrocarbon compounds to the atmosphere from the biosphere exceedthose from anthropogenic activity. Isoprene, a five-carbon diene, contributes more than 40% ofthese emissions. Once emitted to the atmosphere, isoprene is rapidly oxidized by the hydroxylradical OH. We report here that under pristine conditions isoprene is oxidized primarily tohydroxyhydroperoxides. Further oxidation of these hydroxyhydroperoxides by OH leads efficientlyto the formation of dihydroxyepoxides and OH reformation. Global simulations show an enormousflux-nearly 100 teragrams of carbon per year-of these epoxides to the atmosphere. Thediscovery of these highly soluble epoxides provides a missing link tying the gas-phase degradationof isoprene to the observed formation of organic aerosols.",
author = "Fabien Paulot and Crounse, {John D} and Kjaergaard, {Henrik G} and Andreas K{\"u}rten and {St Clair}, {Jason M} and Seinfeld, {John H} and Wennberg, {Paul O}",
year = "2009",
doi = "10.1126/science.1172910",
language = "English",
volume = "325",
pages = "730--733",
journal = "Science",
issn = "0036-8075",
publisher = "American Association for the Advancement of Science",
number = "5941",

}

RIS

TY - JOUR

T1 - Unexpected epoxide formation in the gas-phase photooxidation of isoprene

AU - Paulot, Fabien

AU - Crounse, John D

AU - Kjaergaard, Henrik G

AU - Kürten, Andreas

AU - St Clair, Jason M

AU - Seinfeld, John H

AU - Wennberg, Paul O

PY - 2009

Y1 - 2009

N2 -   Emissions of nonmethane hydrocarbon compounds to the atmosphere from the biosphere exceedthose from anthropogenic activity. Isoprene, a five-carbon diene, contributes more than 40% ofthese emissions. Once emitted to the atmosphere, isoprene is rapidly oxidized by the hydroxylradical OH. We report here that under pristine conditions isoprene is oxidized primarily tohydroxyhydroperoxides. Further oxidation of these hydroxyhydroperoxides by OH leads efficientlyto the formation of dihydroxyepoxides and OH reformation. Global simulations show an enormousflux-nearly 100 teragrams of carbon per year-of these epoxides to the atmosphere. Thediscovery of these highly soluble epoxides provides a missing link tying the gas-phase degradationof isoprene to the observed formation of organic aerosols.

AB -   Emissions of nonmethane hydrocarbon compounds to the atmosphere from the biosphere exceedthose from anthropogenic activity. Isoprene, a five-carbon diene, contributes more than 40% ofthese emissions. Once emitted to the atmosphere, isoprene is rapidly oxidized by the hydroxylradical OH. We report here that under pristine conditions isoprene is oxidized primarily tohydroxyhydroperoxides. Further oxidation of these hydroxyhydroperoxides by OH leads efficientlyto the formation of dihydroxyepoxides and OH reformation. Global simulations show an enormousflux-nearly 100 teragrams of carbon per year-of these epoxides to the atmosphere. Thediscovery of these highly soluble epoxides provides a missing link tying the gas-phase degradationof isoprene to the observed formation of organic aerosols.

U2 - 10.1126/science.1172910

DO - 10.1126/science.1172910

M3 - Journal article

C2 - 19661425

VL - 325

SP - 730

EP - 733

JO - Science

JF - Science

SN - 0036-8075

IS - 5941

ER -

ID: 17654355