Bioconcentration of 5,5',6-trichlorobiphenyl and pentachlorophenol in the Midge, Chironomus riparius, as measured by a pharmacokinetic model

Midges were exposed to carbon-14 labelled 5,5',6-trichlorobiphenyl (TCB) and pentachlorophenol (PCP) at nominal concentrations of 2 and 9 ug per litre, respectively for a 16 h static uptake phase. Depuration was measured over 45 h in a flowthrough system. A 2 compartment pharmacokinetic model w...

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Veröffentlicht in:Archives of environmental contamination and toxicology 1994-02, Vol.26 (2), p.251-256
Hauptverfasser: LYDY, M. J, HAYTON, W. L, STAUBUS, A. E, FISHER, S. W
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creator LYDY, M. J
HAYTON, W. L
STAUBUS, A. E
FISHER, S. W
description Midges were exposed to carbon-14 labelled 5,5',6-trichlorobiphenyl (TCB) and pentachlorophenol (PCP) at nominal concentrations of 2 and 9 ug per litre, respectively for a 16 h static uptake phase. Depuration was measured over 45 h in a flowthrough system. A 2 compartment pharmacokinetic model was developed to describe the uptake and elimination of both compounds. The uptake clearances were 330 ml per g midge.h for TCB and 55 ml per g midge.h for PCP. The measured bioconcentration factors were 35,900 and 458 for TCB and PCP, which were similar to values of 19, 055 and 758, respectively, obtained from the octanol water partition coefficients.
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source SpringerLink Journals - AutoHoldings
subjects Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
chironomidae
Chironomus riparius
Diptera
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on protozoa and invertebrates
Freshwater
Fundamental and applied biological sciences. Psychology
title Bioconcentration of 5,5',6-trichlorobiphenyl and pentachlorophenol in the Midge, Chironomus riparius, as measured by a pharmacokinetic model
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