Articles | Volume 15, issue 5
https://doi.org/10.5194/acp-15-2327-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-2327-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
04 Mar 2015
Research article |
| 04 Mar 2015
Oxidant production from source-oriented particulate matter – Part 1: Oxidative potential using the dithiothreitol (DTT) assay
J. G. Charrier
Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA
N. K. Richards-Henderson
Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA
K. J. Bein
Air Quality Research Center, University of California, Davis, CA 95616, USA
Center for Health and the Environment, University of California, Davis, CA 95616, USA
A. S. McFall
Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA
A. S. Wexler
Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA
Air Quality Research Center, University of California, Davis, CA 95616, USA
Department of Mechanical and Aeronautical~Engineering, University of California, Davis, CA 95616, USA
Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA
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Saved (final revised paper)
Latest update: 26 Dec 2024
Short summary
We measured the oxidative potential of airborne particles – a property that has been linked to health problems caused by particles – from different emission source mixtures in Fresno, CA. Copper was responsible for the majority of the oxidative potential (as measured by the DTT assay), followed by unknown species (likely organics) and manganese. Sources of copper-rich particles, including vehicles, had higher oxidative potentials.
We measured the oxidative potential of airborne particles – a property that has been linked to...
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