Toxic chlorobiphenyls in adipose tissue and whole blood of an occupationally/acidentally exposed man and the general population.

Kannan, Narayanan, Schulz-Bull, Detlef E., Petrick, Gert, Duinker, Jan C., Macht-Hausmann, M. and Wassermann, O. (1994) Toxic chlorobiphenyls in adipose tissue and whole blood of an occupationally/acidentally exposed man and the general population. Archives of Environmental Health, 49 . pp. 375-383. DOI 10.1080/00039896.1994.9954990.

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Abstract

Individual polychlorinated biphenyl (CB) congeners in adipose and whole blood tissues of a capacitor manufacture worker (occupational/accidental exposure) and of the general population were determined. Nondestructive sample cleanup and multidimensional gas chromatography-electron capture detection (MDGC-ECD) techniques were applied. Special attention was given to the toxicologically relevant congeners CB-77, CB-126, CB-169, CB-105, CB-114, CB-118, CB-156, CB-167, and CB-189 (IUPAC). Lipid-based tissue contents of sigma CBs were higher in the occupationally/accidentally exposed worker (adipose = 7,000 ng/g; whole blood = 11 ng/g) than in the general population (adipose = 300 ng/g; whole blood = 1.9 ng/g). Among the non-ortho Cl CBs, CB-77 was below detection limit (< 1.0 pg/g). The contents of CB-126 for the capacitor manufacture worker were 2,000 and 3 pg/g, and in the general population were 100 and 2 pg/g for adipose and whole blood, respectively. The corresponding data for CB-169 were 3,500 and 4 for adipose and whole blood, respectively, in the exposed worker, and 40 and 2 for adipose and whole blood, respectively, in the general population. Congeners with highest contents were CB-153, CB-138, CB-180, CB-170, and CB-187. These congeners possess chlorine substitution patterns, making them resistant to metabolism. X/153 ratios suggest that both PB and 3-MC type cytochrome P-450 enzymes were induced in the exposed worker, as well as in the general population.

Document Type: Article
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-CH Chemical Oceanography
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1080/00039896.1994.9954990
ISSN: 0003-9896
Date Deposited: 18 Feb 2008 17:27
Last Modified: 17 Aug 2018 08:54
URI: http://oceanrep.geomar.de/id/eprint/7059

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