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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 8
Atmos. Meas. Tech., 10, 2821–2835, 2017
https://doi.org/10.5194/amt-10-2821-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Meas. Tech., 10, 2821–2835, 2017
https://doi.org/10.5194/amt-10-2821-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 08 Aug 2017

Research article | 08 Aug 2017

A method for measuring total aerosol oxidative potential (OP) with the dithiothreitol (DTT) assay and comparisons between an urban and roadside site of water-soluble and total OP

Dong Gao et al.

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Status: closed
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Dong Gao on behalf of the Authors (07 Jul 2017)  Author's response    Manuscript
ED: Publish as is (10 Jul 2017) by Pierre Herckes
Publications Copernicus
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Short summary
This work compares three methods to determine the optimal approach for quantifying the total oxidative potential (OP) of fine particles collected with filters using the dithiothreitol (DTT) assay. An automated system has been developed to facilitate the total OP measurements for use in generation of large data sets needed for epidemiology studies. The results from this study show that the water-insoluble components contribute to PM2.5 OP and the related DTT-active species are largely secondary.
This work compares three methods to determine the optimal approach for quantifying the total...
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