Oxidant production from source-oriented particulate matter &ndash; Part 1: Oxidative potential using the dithiothreitol (DTT) assay

Charrier, J. G.; Richards-Henderson, N. K.; Bein, K. J.; McFall, A. S.; Wexler, A. S.; Anastasio, C.

doi:https://doi.org/10.5194/acp-15-2327-2015

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.

https://doi.org/10.5194/acp-15-2327-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 5

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, N. K. Richards-Henderson, K. J. Bein, A. S. McFall, A. S. Wexler, and C. Anastasio

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Final revised paper (published on 04 Mar 2015)
Supplement to the final revised paper
Preprint (discussion started on 18 Sep 2014)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC C7726: 'Reviewer comments on: ACPD, Charrier et al., 2014', Anonymous Referee #1, 06 Oct 2014
RC C8748: 'Review of Charrier et al', Anonymous Referee #2, 03 Nov 2014
RC C9382: 'Referee Comment', Anonymous Referee #3, 21 Nov 2014
AC C10591: 'Author's Response to Reviewers', Jessica Charrier, 30 Dec 2014

Peer-review completion

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

AR by Jessica Charrier on behalf of the Authors (30 Dec 2014) Author's response Manuscript

ED: Reconsider after minor revisions (Editor review) (03 Feb 2015) by Alex Huffman

AR by Jessica Charrier on behalf of the Authors (10 Feb 2015) Author's response Manuscript

ED: Publish as is (10 Feb 2015) by Alex Huffman

AR by Jessica Charrier on behalf of the Authors (18 Feb 2015)

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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.