Chemical characterization and toxicity of particulate matter emissions from roadside trash combustion in urban India
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- 作者：Heidi Vreelanda ; heidi.vreeland@duke.edu" class="auth_mail" title="E-mail the corresponding author ; James J. Schauerb ; Armistead G. Russellc ; Julian D. Marshalld ; Akihiro Fushimib ; e ; Grishma Jainf ; Karthik Sethuramanf ; Vishal Vermag ; 1 ; Sachi N. Tripathih ; Michael H. Bergina
- 关键词：Trash burning ; ROS ; Particulate matter ; Brown carbon ; DTT assay ; Redox activity
- 刊名：Atmospheric Environment
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：147
- 期：Complete
- 页码：22-30
- 全文大小：1127 K
文摘
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PM2.5 samples were collected from 24 trash-burning piles in Bangalore, India.
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ROS activity of the collected samples was assessed by macrophage and DTT assays.
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Near source, exposure to redox-active PM is expected to be extremely high.
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Ambient PM2.5 indicates higher intrinsic ROS activity than fresh emissions.