Articles | Volume 10, issue 8
https://doi.org/10.5194/amt-10-2821-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-2821-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
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
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
Ting Fang
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
Vishal Verma
School of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
Linghan Zeng
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
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68 citations as recorded by crossref.
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- Application of a Fluorescent Probe for the Online Measurement of PM-Bound Reactive Oxygen Species in Chamber and Ambient Studies R. Brown et al. 10.3390/s19204564
- Assessment of long-range oriented source and oxidative potential on the South-west shoreline, Korea: Molecular marker receptor models during shipborne measurements S. Oh et al. 10.1016/j.envpol.2021.116979
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- Development and field testing of an online instrument for measuring the real-time oxidative potential of ambient particulate matter based on dithiothreitol assay J. Puthussery et al. 10.5194/amt-11-5767-2018
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- Assessing the Oxidative Potential of Outdoor PM2.5 in Wintertime Fairbanks, Alaska Y. Yang et al. 10.1021/acsestair.3c00066
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- Oxidized and Unsaturated: Key Organic Aerosol Traits Associated with Cellular Reactive Oxygen Species Production in the Southeastern United States F. Liu et al. 10.1021/acs.est.3c03641
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- Chemical constituents, driving factors, and source apportionment of oxidative potential of ambient fine particulate matter in a Port City in East China K. Chen et al. 10.1016/j.jhazmat.2022.129864
- Yearlong variability of oxidative potential of particulate matter in an urban Mediterranean environment D. Paraskevopoulou et al. 10.1016/j.atmosenv.2019.02.027
- A high-throughput, turbulent-mixing, condensation aerosol concentrator for direct aerosol collection as a liquid suspension O. Zervaki et al. 10.1016/j.jaerosci.2024.106442
- Characterization of organic compounds and oxidative potential of aqueous PM2.5 suspensions collected via an aerosol-into-liquid collector for use in toxicology studies E. Soleimanian et al. 10.1016/j.atmosenv.2020.117839
- Effects of Atmospheric Processing on the Oxidative Potential of Biomass Burning Organic Aerosols J. Wong et al. 10.1021/acs.est.9b01034
- Review of Acellular Assays of Ambient Particulate Matter Oxidative Potential: Methods and Relationships with Composition, Sources, and Health Effects J. Bates et al. 10.1021/acs.est.8b03430
- Emerging investigator series: oxidative potential of diesel exhaust particles: role of fuel, engine load, and emissions control N. Sharma et al. 10.1039/C8EM00571K
- Dithiothreitol-based oxidative potential for airborne particulate matter: an estimation of the associated uncertainty C. Molina et al. 10.1007/s11356-020-09508-3
1 citations as recorded by crossref.
Latest update: 20 Nov 2024
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...