Document Detail


Confirmation of polychlorinated biphenyl (PCB) distribution in the blood and verification of simple quantitative method for PCBs based on specific congeners.
MedLine Citation:
PMID:  20971493     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We measured the concentration of each polychlorinated biphenyl (PCB) congener in whole blood, plasma and blood cells, and investigated the distribution of PCBs in human blood using high-resolution gas chromatography/high-resolution mass spectrometry (HRGC/HRMS). The PCB concentrations in plasma and whole blood in terms of lipid concentrations were almost equal, with a correlation coefficient of r=0.972. In the blood, the ratio of PCBs in blood cells to those in plasma was generally about 1:9 and the congener distribution patterns in blood cells and plasma were similar. We performed verification of a simple mass screening method by obtaining information on the main PCB congeners for investigations on human accumulation and exposure. The total concentration of the seven PCB congeners (UNEP-7) proposed to the United Nations Environment Programme (UNEP) by Muir and Morita was about 50% of the total concentration of all PCB congeners, and UNEP-30 was about 80%. The seven main congeners in the blood (MCB-7) showed a value that was about 60%, and MCB-30 showed a value that was about 90%. Determinations with the main congeners in the blood showed a correlation of r=0.990 or more between the main eight congeners (MCB-7 plus #74) and the total PCB concentration for all congeners. The results suggest that, although total PCB concentration can be effectively estimated from the main seven congeners, the main eight congeners would be preferable, and that the use of these congeners in the simple mass screening method would be effective for populations in areas uncontaminated by PCBs.
Authors:
Tomomi Jotaki; Hideki Fukata; Chisato Mori
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Publication Detail:
Type:  Evaluation Studies; Journal Article     Date:  2010-10-23
Journal Detail:
Title:  Chemosphere     Volume:  82     ISSN:  1879-1298     ISO Abbreviation:  Chemosphere     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-11-24     Completed Date:  2010-12-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0320657     Medline TA:  Chemosphere     Country:  England    
Other Details:
Languages:  eng     Pagination:  107-13     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd. All rights reserved.
Affiliation:
SRL, Inc., Hachioji, Tokyo, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adult
Environmental Exposure / analysis*,  statistics & numerical data
Female
Humans
Male
Mass Screening / methods*
Middle Aged
Polychlorinated Biphenyls / blood*
Chemical
Reg. No./Substance:
0/Polychlorinated Biphenyls

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


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