Bioconcentration of 5,5′,6 -trichlorobiphenyl and pentachlorophenol in the midge, Chironomus riparius, as measured by a pharmacokinetic model
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Abstract
A two compartment pharmacokinetic model was developed which describes the uptake and elimination of 5,5′,6-trichlorobiphenyl (TCB) and pentachlorophenol (PCP) in the midge, Chironomus riparius. C. riparius were exposed to nominal TCB (2 μg L−1) and PCP (9 μg L−1) concentrations during a 16 h static uptake phase. Depuration was determined over approximately 45 h using a flowthrough system without feeding. The uptake clearance (P) was 330±61 ml g−1 midge h−1 for TCB and 55±4 ml g−1 midge h−1 for PCP, while measured bioconcentration factors (BCF) were 35,900 and 458 for TCB and PCP, respectively. Overall, the clearance-volume-based pharmacokinetic model predicted BCF values that were consistent with published values as well as with BCF values obtained from the octanol-water partition coefficient (KOW).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Bioconcentration of 5,5′,6 -trichlorobiphenyl and pentachlorophenol in the midge, Chironomus riparius, as measured by a pharmacokinetic model |
| Series title | Archives of Environmental Contamination and Toxicology |
| DOI | 10.1007/BF00224812 |
| Volume | 26 |
| Issue | 2 |
| Year Published | 1994 |
| Language | English |
| Publisher | Springer |
| Description | 6 p. |
| First page | 251 |
| Last page | 256 |
| Google Analytic Metrics | Metrics page |