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Evaluation on exposures to particulate matter at a junior secondary school: a comprehensive study on health risks and effective inflammatory responses in Northwestern China
Xu, Hongmei1,2,3; Guinot, Benjamin2; Ho, Steven Sai Hang3,4; Li, Yaqi1; Cao, Junji3; Shen, Zhenxing1; Niu, Xinyi5; Zhao, Zhuohui6; Liu, Suixin3; Lei, Yali1; Zhang, Qian1; Sun, Jian1
2018-04-01
发表期刊ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
卷号40期号:2页码:849-863
文章类型Article
摘要Air pollutant measurement and respiratory inflammatory tests were conducted at a junior secondary school in Xi'an, Northwestern China. Hazardous substances including particulate matters (PMs), black carbon (BC) and particle-bounded polycyclic aromatic hydrocarbons (PAHs) were quantified both indoors and outdoors of the school. Source characterization with organic tracers and particle-size distribution demonstrated that the school's air was mostly polluted by combustion emissions from the surrounding environment. The evaluation of health assessment related to air quality was conducted by two methods, including potential risk estimation of air pollutants and direct respiratory inflammatory test. The incremental lifetime cancer risks associated with PAHs were estimated and were 1.62 x 10(-6) and 2.34 x 10(-6), respectively, for indoor and outdoor fine PMs. Both the values exceeded the threshold value of 1 x 10(-6), demonstrating that the carcinogenic PAHs are a health threat to the students. Respiratory inflammatory responses of 50 students who studied in the sample classroom were examined with a fractional exhaled nitric oxide (FeNO) test, with the aid of health questionnaires. The average FeNO concentration was 17.4 +/- 8.5 ppb, which was slightly lower than the recommended level of 20 ppb established by the American Thoracic Society for children. However, a wide distribution and 6% of the values were > 35 ppb, suggesting that the potentials were still high for eosinophilic inflammation and responsiveness to corticosteroids. A preliminary interpretation of the relationship between air toxins and respiratory inflammatory response demonstrated the high exposure cancer risks and inflammatory responses of the students to PMs in the city.
关键词Pm Bc And Pahs Cancer Risks Feno Health Assessment Northwestern China
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s10653-017-0030-7
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; EXHALED NITRIC-OXIDE ; NONPOLAR ORGANIC-COMPOUNDS ; TOXIC EQUIVALENCY FACTORS ; PORT THERMAL-DESORPTION ; BLACK CARBON ; SOURCE IDENTIFICATION ; AIR-POLLUTION ; SIZE DISTRIBUTIONS ; SEASONAL-VARIATION
收录类别SCI
语种英语
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Water Resources
WOS类目Engineering, Environmental ; Environmental Sciences ; Public, Environmental & Occupational Health ; Water Resources
WOS记录号WOS:000427282900021
引用统计
被引频次:5[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/361006/5221
专题粉尘与环境研究室
作者单位1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian, Shaanxi, Peoples R China
2.Univ Toulouse, Lab Aerol, CNRS, UPS, Toulouse, France
3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Shaanxi, Peoples R China
4.Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA
5.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian, Shaanxi, Peoples R China
6.Fudan Univ, Sch Publ Hlth, Dept Environm Hlth, Shanghai, Peoples R China
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Xu, Hongmei,Guinot, Benjamin,Ho, Steven Sai Hang,et al. Evaluation on exposures to particulate matter at a junior secondary school: a comprehensive study on health risks and effective inflammatory responses in Northwestern China[J]. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,2018,40(2):849-863.
APA Xu, Hongmei.,Guinot, Benjamin.,Ho, Steven Sai Hang.,Li, Yaqi.,Cao, Junji.,...&Sun, Jian.(2018).Evaluation on exposures to particulate matter at a junior secondary school: a comprehensive study on health risks and effective inflammatory responses in Northwestern China.ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,40(2),849-863.
MLA Xu, Hongmei,et al."Evaluation on exposures to particulate matter at a junior secondary school: a comprehensive study on health risks and effective inflammatory responses in Northwestern China".ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 40.2(2018):849-863.
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