| Lead in children's blood is mainly caused by coal-fired ash after phasing out of leaded gasoline in Shanghai. | |
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MedLine Citation:
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PMID: 20536267 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Lead (Pb) is a highly toxic element to the human body. After phasing out of leaded gasoline we find that the blood lead level of children strongly correlates with the lead concentration in atmospheric particles, and the latter correlates with the coal consumption instead of leaded gasoline. Combined with the (207)Pb/(206)Pb ratio measurements, we find that the coal consumption fly ash is a dominate source of Pb exposure to children in Shanghai, rather than vehicle exhaust, metallurgic dust, paint dust, and drinking water. Those particles are absorbed to children's blood via breathing and digesting their deposition on ground by hand-to-mouth activities. Probably the same situation occurs in other large cities of developing countries where the structure of energy supply is mainly based on coal-combustion. |
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Authors:
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Feng Liang; Guilin Zhang; Mingguang Tan; Chonghuai Yan; Xiaolin Li; Yulan Li; Yan Li; Yuanmao Zhang; Zuci Shan |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Environmental science & technology Volume: 44 ISSN: 0013-936X ISO Abbreviation: Environ. Sci. Technol. Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-11 Completed Date: 2010-08-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0213155 Medline TA: Environ Sci Technol Country: United States |
Other Details:
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Languages: eng Pagination: 4760-5 Citation Subset: IM |
Affiliation:
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Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Atmosphere
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chemistry Carbon / chemistry* Child China Coal / analysis* Gasoline / analysis* Humans Isotopes Lead / blood* Particulate Matter / analysis, chemistry* Power Plants |
| Chemical | |
Reg. No./Substance:
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0/Coal; 0/Gasoline; 0/Isotopes; 0/Particulate Matter; 68131-74-8/fly ash; 7439-92-1/Lead; 7440-44-0/Carbon |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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