Predominance of secondary organic aerosol to particle-bound reactive oxygen species activity in fine ambient aerosol

Zhou, Jun; Elser, Miriam; Huang, Ru-Jin; Krapf, Manuel; Fröhlich, Roman; Bhattu, Deepika; Stefenelli, Giulia; Zotter, Peter; Bruns, Emily A.; Pieber, Simone M.; Ni, Haiyan; Wang, Qiyuan; Wang, Yichen; Zhou, Yaqing; Chen, Chunying; Xiao, Mao; Slowik, Jay G.; Brown, Samuel; Cassagnes, Laure-Estelle; Daellenbach, Kaspar R.; Nussbaumer, Thomas; Geiser, Marianne; Prévôt, André S. H.; El-Haddad, Imad; Cao, Junji; Baltensperger, Urs; Dommen, Josef

doi:https://doi.org/10.5194/acp-19-14703-2019

Articles | Volume 19, issue 23

https://doi.org/10.5194/acp-19-14703-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

https://doi.org/10.5194/acp-19-14703-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 23

Research article

|

05 Dec 2019

Research article |

| 05 Dec 2019

Predominance of secondary organic aerosol to particle-bound reactive oxygen species activity in fine ambient aerosol

Jun Zhou, Miriam Elser, Ru-Jin Huang, Manuel Krapf, Roman Fröhlich, Deepika Bhattu, Giulia Stefenelli, Peter Zotter, Emily A. Bruns, Simone M. Pieber, Haiyan Ni, Qiyuan Wang, Yichen Wang, Yaqing Zhou, Chunying Chen, Mao Xiao, Jay G. Slowik, Samuel Brown, Laure-Estelle Cassagnes, Kaspar R. Daellenbach, Thomas Nussbaumer, Marianne Geiser, André S. H. Prévôt, Imad El-Haddad, Junji Cao, Urs Baltensperger, and Josef Dommen

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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of acp-2019-190', Zoran Ristovski, 18 Jul 2019
- AC1: 'Author comments', Josef Dommen, 17 Sep 2019
RC2: 'comment on Zhou et al.', Anonymous Referee #3, 14 Aug 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Josef Dommen on behalf of the Authors (17 Sep 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (03 Oct 2019) by Xavier Querol

RR by Zoran Ristovski (10 Oct 2019)

ED: Publish as is (17 Oct 2019) by Xavier Querol

AR by Josef Dommen on behalf of the Authors (28 Oct 2019)

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Short summary

Reactive oxygen species (ROS) are believed to contribute to the adverse health effects of aerosols. We measured particle-bound ROS (PB-ROS) with an online instrument in two distinct environments, i.e., Beijing (China) and Bern (Switzerland). In both cities these exogenic ROS are predominantly related to secondary organic aerosol (SOA). PB-ROS content in SOA from various anthropogenic emission sources tested in the laboratory was comparable to that in the ambient measurements.