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Characterization of the chemical components and bioreactivity of fine particulate matter produced during crop-residue burning in China
Chuang, HC (Chuang, Hsiao-Chi)1,2,3; Sun, J (Sun, Jian)4; Ni, HY (Ni, Haiyan)5,6; Tian, J (Tian, Jie)5,6; Lui, KH (Lui, Ka Hei)7; Han, YM (Han, Yongming)5,6; Cao, JJ (Cao, Junji)5,8; Huang, RJ (Huang, Ru-Jin)5; Shen, ZX (Shen, Zhenxing)9; Ho, KF (Ho, Kin-Fai)5,7,10
2019-02
Source PublicationENVIRONMENTAL POLLUTION
Volume245Pages:226-234
Contribution Rank5
AbstractFive types of crop residue (rice, wheat, corn, sorghum, and sugarcane) collected from different provinces in China were used to characterize the chemical components and bioreactivity properties of fine particulate matter (PM2.5) emissions during open-burning scenarios. Organic carbon (OC) and elemental carbon (EC) were the most abundant components, contributing 41.7%-54.9% of PM2.5 emissions. The OC/EC ratio ranged from 8.8 to 31.2, indicating that organic matter was the dominant component of emissions. Potassium and chloride were the most abundant components in the portion of PM2.5 composed of water-soluble ions. The coefficient of divergence ranged from 0.27 to 0.51 among various emissions profiles. All samples exposed to a high PM2.5 concentration (150 mu g/mL) exhibited a significant reduction in cell viability (A549 lung alveolar epithelial cells) and increase in lactic dehydrogenase (LDH) and interleukin 6 levels compared with those exposed to 20 or 0 mu g/mL Higher bioreactivity (determined according to LDH and interleukin 6 level) was observed for the rice, wheat, and corn samples than for the sorghum straw samples. Pearson's correlation analysis suggested that OC, heavy metals (chromium, manganese, iron, nickel, copper, zinc, tin, and barium), and water-soluble ions (fluoride, calcium, and sulfate) are the components potentially associated with LDH production.
KeywordCrop residue Open burning PM2.5 Respiratory effects Bioreactivity
Indexed BySCI ; SCIE
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10966
Collection粉尘与环境研究室
Affiliation1.Taipei Med Univ, Coll Med, Sch Resp Therapy, Taipei, Taiwan;
2.Taipei Med Univ, Shuang Ho Hosp, Dept Internal Med, Div Pulm Med, New Taipei, Taiwan;
3.Taipei Med Univ, Coll Med, Sch Med, Dept Internal Med, Taipei, Taiwan;
4.Xian Jiaatong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Shaanxi, Peoples R China;
5.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710075, Shaanxi, Peoples R China;
6.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Shaanxi, Peoples R China;
7.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Hong Kong, Peoples R China;
8.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Shaanxi, Peoples R China;
9.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian, Shaanxi, Peoples R China;
10.Chinese Univ Hong Kong, Shenzhen Res Inst, Shenzhen Municipal Key Lab Hlth Risk Anal, Shenzhen, Peoples R China
Recommended Citation
GB/T 7714
Chuang, HC ,Sun, J ,Ni, HY ,et al. Characterization of the chemical components and bioreactivity of fine particulate matter produced during crop-residue burning in China[J]. ENVIRONMENTAL POLLUTION,2019,245:226-234.
APA Chuang, HC .,Sun, J .,Ni, HY .,Tian, J .,Lui, KH .,...&Ho, KF .(2019).Characterization of the chemical components and bioreactivity of fine particulate matter produced during crop-residue burning in China.ENVIRONMENTAL POLLUTION,245,226-234.
MLA Chuang, HC ,et al."Characterization of the chemical components and bioreactivity of fine particulate matter produced during crop-residue burning in China".ENVIRONMENTAL POLLUTION 245(2019):226-234.
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