Document Detail

Total and methyl mercury levels in human scalp hairs of typical populations in China by NAA, GC(EC), and other techniques.
MedLine Citation:
PMID:  7710857     Owner:  NLM     Status:  MEDLINE    
The contents of total and methyl mercury in scalp hair samples of 1179 fishermen living in a typical Hg-polluted region in northeast China and 27 lying-in women and their newborns in Beijing have been determined by INAA, GC(EC), and other techniques. Only 18 of all fishermen had Hg contents above 5 micrograms/g, which indicates that the Hg pollution there has been substantially alleviated. The longitudinal Hg patterns of the lying-in women showed a gradually lowering tendency during pregnant period. Further, the Hg contents of the newborn babies generally were above or close to those of their mothers, confirming the mechanism that the methyl Hg, an organic species of Hg with high toxicity, is readily able to penetrate the placental barrier and to accumulate in the fetus. Thus, the mercury poison has occurred at the early stage of pregnancy.
C Chai; W Feng; Q Qian; M Guan; X Li; Y Lu; X Zhang
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Biological trace element research     Volume:  43-45     ISSN:  0163-4984     ISO Abbreviation:  Biol Trace Elem Res     Publication Date:  1994  
Date Detail:
Created Date:  1995-05-17     Completed Date:  1995-05-17     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7911509     Medline TA:  Biol Trace Elem Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  423-33     Citation Subset:  IM    
Institute of High Energy Physics, Academia Sinica, Beijing, China.
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MeSH Terms
Chromatography, Gas
Hair / chemistry*
Infant, Newborn
Maternal-Fetal Exchange
Methylmercury Compounds / analysis*
Neutron Activation Analysis
Quality Control
Spectrometry, X-Ray Emission / instrumentation
Reg. No./Substance:
0/Methylmercury Compounds

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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