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Characterization of chemical components and cytotoxicity effects of indoor and outdoor fine particulate matter (PM2.5) in Xi'an, China
Niu, Xinyi1,2; Ho, Kin Fai1; Hu, Tafeng2,3; Sun, Jian4; Duan, Jing2,3; Huang, Yu2,3; Lui, Ka Hei1; Cao, Junji2,3
通讯作者Ho, Kin Fai(kfho@cuhk.edu.hk) ; Cao, Junji(cao@loess.llqg.ac.cn)
2019-11-01
发表期刊ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
卷号26期号:31页码:31913-31923
摘要The chemical and cytotoxicity properties of fine particulate matter (PM2.5) at indoor and outdoor environment were characterized in Xi'an, China. The mass concentrations of PM2.5 in urban areas (93.29 similar to 96.13 mu g m(-3) for indoor and 124.37 similar to 154.52 mu g m(-3) for outdoor) were higher than suburban (68.40 mu g m(-3) for indoor and 96.18 mu g m(-3) for outdoor). The PM2.5 concentrations from outdoor environment due to fossil fuel combustion were higher than indoor environment. An indoor environment without central heating demonstrated higher organic carbon-to-elemental carbon (OC / EC) ratios and n-alkanes values that potentially attributed to residential coal combustion activities. The cell viability of human epithelial lung cells showed dose-dependent decrease, while nitric oxide (NO) and oxidative potential showed dose-dependent increase under exposure to PM2.5. The variations of bioreactivities could be possibly related to different chemical components from different sources. Moderate (0.4 < R < 0.6) to strong (R > 0.6) correlations were observed between bioreactivities and elemental carbon (EC)/secondary aerosols (NO3-, SO42-, and NH4+)/heavy metals (Ni, Cu, and Pb). The findings suggest PM2.5 is associated with particle induced oxidative potential, which are further responsible for respiratory diseases under chronic exposure.
关键词PM2.5 Indoor and outdoor Oxidative stress Inflammation
DOI10.1007/s11356-019-06323-3
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; NITRIC-OXIDE PRODUCTION ; LUNG EPITHELIAL-CELLS ; SEASONAL-VARIATIONS ; OXIDATIVE STRESS ; SOURCE APPORTIONMENT ; ELEMENTAL CARBON ; VEHICLE EXHAUST ; RIVER DELTA ; N-ALKANES
收录类别SCI ; SCI
语种英语
资助项目National Science Foundation of China[NSFC21661132005] ; Research Grants Council of the Hong Kong Special Administrative Region China[CUHK/14212116]
WOS研究方向Environmental Sciences & Ecology
项目资助者National Science Foundation of China ; Research Grants Council of the Hong Kong Special Administrative Region China
WOS类目Environmental Sciences
WOS记录号WOS:000500201200029
出版者SPRINGER HEIDELBERG
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/13028
专题粉尘与环境研究室
通讯作者Ho, Kin Fai; Cao, Junji
作者单位1.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian, Shaanxi, Peoples R China
4.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian, Shaanxi, Peoples R China
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GB/T 7714
Niu, Xinyi,Ho, Kin Fai,Hu, Tafeng,et al. Characterization of chemical components and cytotoxicity effects of indoor and outdoor fine particulate matter (PM2.5) in Xi'an, China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2019,26(31):31913-31923.
APA Niu, Xinyi.,Ho, Kin Fai.,Hu, Tafeng.,Sun, Jian.,Duan, Jing.,...&Cao, Junji.(2019).Characterization of chemical components and cytotoxicity effects of indoor and outdoor fine particulate matter (PM2.5) in Xi'an, China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,26(31),31913-31923.
MLA Niu, Xinyi,et al."Characterization of chemical components and cytotoxicity effects of indoor and outdoor fine particulate matter (PM2.5) in Xi'an, China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 26.31(2019):31913-31923.
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