Oxidative potential of on-road fine particulate matter (PM2.5) measured on major freeways of Los Angeles, CA, and a 10-year comparison with earlier roadside studies
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- 作者：Farimah Shirmohammadia ; Dongbin Wanga ; Sina Hasheminassaba ; Vishal Vermab ; James J. Schauerc ; Martin M. Shaferc ; Constantinos Sioutasa ; sioutas@usc.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Particulate matter ; Oxidative potential ; Dithiothreitol (DTT) assay ; Tailpipe and non-tailpipe emissions ; Metals and elements ; EC and OC
- 刊名：Atmospheric Environment
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：148
- 期：Complete
- 页码：102-114
- 全文大小：1779 K
文摘
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On-road measurements of fine particulate matter (PM2.5) on roadways of Los Angeles.
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Oxidative potential of PM2.5 quantified using the dithiothreitol (DTT) assay.
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A 10-year comparison of PM2.5 chemical composition to previous near-road measurements.
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Increased levels of on-road DTT activity in comparison to previous dynamometer studies.
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Results from this study highlights the importance of non-tailpipe emissions.
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