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学科主题: Environmental Sciences
题名: Body burdens of polybrominated diphenyl ethers in childbearing-aged women at an intensive electronic-waste recycling site in China
作者: Leung, Anna O. W.1, 2; Chan, Janet K. Y.1, 2; Xing, Guan Hua1, 2; Xu, Ying3; Wu, Sheng Chun1, 2; Wong, Chris K. C.1, 2; Leung, Clement K. M.4; Wong, Ming H.1, 2
通讯作者: Wong, MH, Hong Kong Baptist Univ, Croucher Inst Environm Sci, Kowloon Tong, Hong Kong, Peoples R China
关键词: Human milk ; Placenta ; Hair ; PBDEs ; Dietary intake ; Infants
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2010-08-01
DOI: 10.1007/s11356-010-0310-6
卷: 17, 期:7, 页:1300-1313
收录类别: SCI
文章类型: Article
部门归属: [Leung, Anna O. W.; Chan, Janet K. Y.; Xing, Guan Hua; Wu, Sheng Chun; Wong, Chris K. C.; Wong, Ming H.] Hong Kong Baptist Univ, Croucher Inst Environm Sci, Kowloon Tong, Hong Kong, Peoples R China; [Leung, Anna O. W.; Chan, Janet K. Y.; Xing, Guan Hua; Wu, Sheng Chun; Wong, Chris K. C.; Wong, Ming H.] Hong Kong Baptist Univ, Dept Biol, Kowloon Tong, Hong Kong, Peoples R China; [Xu, Ying] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China; [Leung, Clement K. M.] Hong Kong Sanat & Hosp, IVF Ctr Ltd, Happy Valley, Hong Kong, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Research Grants Council of the University Grants Committee of Hong Kong [HKBU 1/03C]; Hong Kong Baptist University
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: This study is the first to investigate PBDE body burden with regard to the concurrent analyses of multiple human matrices, namely milk, placenta, and hair, collected from a group of childbearing-aged women at an electronic waste (e-waste) recycling site to determine the partitioning of PBDEs in these different human matrices and the possible health risks imposed to infants at the e-waste recycling site. Five sets of milk, placenta, and hair samples were collected from an e-waste site (Taizhou, Zhejiang Province) and a reference site (Lin'an city, Zhejiang Province; 245 km away from Taizhou) in China. The concentrations of total PBDEs in different human tissues were analyzed according to US EPA standard methods. PBDE body burdens of women from the e-waste site (milk 117 +/- 191, 8.89-457 ng/g fat, placenta 19.5 +/- 29.9, 1.28-72.1 ng/g fat, hair 110 +/- 210, 8.47-486 ng/g dry wt.) showed significantly higher levels than those from the reference site (milk 2.06 +/- 0.94, 1.0-3.56 ng/g fat, placenta 1.02 +/- 0.36, 0.59-1.42 ng/g fat, hair 3.57 +/- 2.03, 1.56-5.61 ng/g dry wt.) and were higher than those reported in other studies, due to e-waste recycling operations, especially open burning. On a dry-weight basis, the following trend was found for PBDE among the samples from Taizhou: haira parts per thousand << milk > placenta. Among the donors, the body burden of an e-waste worker ranked second. Higher brominated BDEs (hepta-BDEs) contributed a significantly greater proportion to total PBDEs in hair of the Taizhou women (20%) than that in milk (2.9%) and in placenta (2.6%). The estimated intake of PBDEs of 6-month-old breastfed infants living at the e-waste site was 572 +/- 839 ng/kg body wt/day, which was 57 times higher than that of infants from the reference site (10.1 +/- 4.60 ng/kg body wt/day). Moreover, the maximum calculated value (2,240 ng/kg body wt/day) exceeded the chronic oral reference dose for penta-BDE (2,000 ng/kg/day) of US EPA. BDE-47 was the dominant congener accounting for 20-30% in all the individual samples, while higher-brominated congeners, for example, BDE-183 and BDE-190, contributed between 2% and 20%. The presence of hepta-BDE congeners (BDE-181, BDE-190) in hair of the women in Taizhou suggest that thermal degradation of Deca-BDE from the open burning of e-waste may have been their source because these congeners are not found in either Penta-BDE or Octa-BDE technical products. Of the three types of samples analyzed, it was also suspected that hair may be more favorable to higher-brominated compounds which might explain why the hair samples contained the highest total PBDE concentrations and the highest proportion of higher-brominated BDEs (hepta-BDEs). This study provides evidence that primitive e-waste recycling in China leads to high PBDE body burdens in local residents and can potentially threaten the health of infants. Control measures should be imposed to minimize the level of pollutants resulting from e-waste processing operations to the environment and to humans. In-depth investigations on epidemiological studies of health impacts caused by e-waste recycling operations should be conducted. It is recommended that further measurements of PBDE levels in local food (e.g., fish, shellfish, dairy products, meat, fruits, and vegetables), dust, air, water, and human specimens be collected from a larger sample size at the e-waste processing site for the determination of human exposure pathways to PBDEs.
英文摘要: This study is the first to investigate PBDE body burden with regard to the concurrent analyses of multiple human matrices, namely milk, placenta, and hair, collected from a group of childbearing-aged women at an electronic waste (e-waste) recycling site to determine the partitioning of PBDEs in these different human matrices and the possible health risks imposed to infants at the e-waste recycling site.
关键词[WOS]: BROMINATED FLAME RETARDANTS ; HUMAN BREAST-MILK ; PEARL RIVER DELTA ; DIBENZO-P-DIOXINS ; HUMAN EXPOSURE ; SOUTH CHINA ; ORGANOCHLORINE PESTICIDES ; POLYCHLORINATED-BIPHENYLS ; ORGANOHALOGEN COMPOUNDS ; MATERNAL SERUM
语种: 英语
WOS记录号: WOS:000279588800002
ISSN号: 0944-1344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13691
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Hong Kong Baptist Univ, Croucher Inst Environm Sci, Kowloon Tong, Hong Kong, Peoples R China
2.Hong Kong Baptist Univ, Dept Biol, Kowloon Tong, Hong Kong, Peoples R China
3.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
4.Hong Kong Sanat & Hosp, IVF Ctr Ltd, Happy Valley, Hong Kong, Peoples R China

Recommended Citation:
Leung, Anna O. W.; Chan, Janet K. Y.; Xing, Guan Hua; Xu, Ying; Wu, Sheng Chun; Wong, Chris K. C.; Leung, Clement K. M.; Wong, Ming H..Body burdens of polybrominated diphenyl ethers in childbearing-aged women at an intensive electronic-waste recycling site in China,ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2010,17(7):1300-1313
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