Articles | Volume 22, issue 3
https://doi.org/10.5194/acp-22-1793-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-1793-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Feb 2022
Research article |
| 07 Feb 2022
| 07 Feb 2022
Are reactive oxygen species (ROS) a suitable metric to predict toxicity of carbonaceous aerosol particles?
Zhi-Hui Zhang
CORRESPONDING AUTHOR
Department of Environmental Sciences, University of Basel, 4056 Basel,
Switzerland
Department of Chemistry, University of Cambridge, Cambridge CB2 1EW,
UK
Elena Hartner
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Joint Mass Spectrometry Centre, Chair of Analytical Chemistry,
University of Rostock, 18059 Rostock, Germany
Battist Utinger
Department of Environmental Sciences, University of Basel, 4056 Basel,
Switzerland
Benjamin Gfeller
Department of Environmental Sciences, University of Basel, 4056 Basel,
Switzerland
Andreas Paul
Forschungzentrum Jülich, IEK-8: Troposphere, Jülich, Germany
Martin Sklorz
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Hendryk Czech
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Joint Mass Spectrometry Centre, Chair of Analytical Chemistry,
University of Rostock, 18059 Rostock, Germany
Bin Xia Yang
Institute of Molecular and Cell Biology (IMCB), Agency for Science,
Technology and Research (A*STAR), Singapore
Xin Yi Su
Institute of Molecular and Cell Biology (IMCB), Agency for Science,
Technology and Research (A*STAR), Singapore
Gert Jakobi
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Jürgen Orasche
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Jürgen Schnelle-Kreis
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Seongho Jeong
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Joint Mass Spectrometry Centre, Chair of Analytical Chemistry,
University of Rostock, 18059 Rostock, Germany
Thomas Gröger
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Michal Pardo
Department of Earth and Planetary Sciences, Weizmann Institute of
Science, Rehovot 76100, Israel
Thorsten Hohaus
Forschungzentrum Jülich, IEK-8: Troposphere, Jülich, Germany
Thomas Adam
Umwelttechnik und Chemie (WE 6), Universität der Bundeswehr München, 85577 Neubiberg, Germany
Astrid Kiendler-Scharr
Forschungzentrum Jülich, IEK-8: Troposphere, Jülich, Germany
Yinon Rudich
Department of Earth and Planetary Sciences, Weizmann Institute of
Science, Rehovot 76100, Israel
Ralf Zimmermann
Joint Mass Spectrometry Centre, Cooperation Group of Comprehensive Molecular
Analytics (CMA), Helmholtz Zentrum München, 81379 Munich, Germany
Joint Mass Spectrometry Centre, Chair of Analytical Chemistry,
University of Rostock, 18059 Rostock, Germany
Markus Kalberer
CORRESPONDING AUTHOR
Department of Environmental Sciences, University of Basel, 4056 Basel,
Switzerland
Department of Chemistry, University of Cambridge, Cambridge CB2 1EW,
UK
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Short summary
Using a novel setup, we comprehensively characterized the formation of particle-bound reactive oxygen species (ROS) in anthropogenic and biogenic secondary organic aerosols (SOAs). We found that more than 90 % of all ROS components in both SOA types have a short lifetime. Our results also show that photochemical aging promotes particle-bound ROS production and enhances the oxidative potential of the aerosols. We found consistent results between chemical-based and biological-based ROS analyses.
Using a novel setup, we comprehensively characterized the formation of particle-bound reactive...
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