Polybrominated diphenyl ethers and polychlorinated biphenyls in human adipose tissue from New York
2005
Human adipose tissue samples (n = 52) collected in New York City during 2003−2004 were analyzed for the presence of polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs). Concentrations of PBDEs in adipose tissues ranged from 17 to 9630 ng/g, lipid wt (median: 77; mean: 399 ng/g, lipid wt; sum all di- through hexa-BDE congeners). Average PBDE concentrations in human adipose tissues from New York City were 10- to 100-times greater than those reported for European countries. A concentration of 9630 ng/g, lipid wt, found in a sample of adipose tissue, is one of the highest concentrations reported to date. PBDE 47 (2,2‘,4,4‘-tetraBDE) was the major congener detected in human tissues, followed by PBDE congeners #99 (2,2‘,4,4‘,5-pentaBDE), 100 (2,2‘,4,4‘,6-pentaBDE), and 153 (2,2‘,4,4‘,5,5‘-hexaBDE). A few individuals contained PBDE 153 as the predominant congener in total PBDE concentrations, suggesting alternative exposure sources, possibly occupational. Principal component analysis of...
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