Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 16
Articles | Volume 17, issue 16
https://doi.org/10.5194/acp-17-9965-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-9965-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 16
Research article
 | 
25 Aug 2017
Research article |  | 25 Aug 2017

Dithiothreitol activity by particulate oxidizers of SOA produced from photooxidation of hydrocarbons under varied NOx levels

Huanhuan Jiang, Myoseon Jang, and Zechen Yu

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Short summary
The oxidative potential of secondary organic aerosol (SOA) was measured by dithiothreitol assay. To quantify the reactive functional groups of particulate oxidizers that can increase dithiothreitol response, the quantities of quinones, organic hydroperoxides, and peroxy acyl nitrates were measured by chemical assays. Organic hydroperoxides were largely attributed to the oxidative potential of SOA. The results provide a deep understanding of the mechanistic role of SOA in modifying biomolecules.
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