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Wu, W.Z.* ; Schramm, K.-W. ; Xu, Y.* ; Kettrup, A.

Accumulation and partition of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/F) in the muscle and liver of fish.

Chemosphere 43, 633-641 (2001)

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Open Access Green as soon as Postprint is submitted to ZB.

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The present study monitored fish from sites contaminated for many years, and the data reflected the results of actual, long-term environmental exposure. The sum concentrations and TEQs of PCDD/F in the muscle of common carp (Cyprinus carpio (linnaeus)) and big head (Aristichthys nobilis) from the different site of a heavily polluted lake in China are decreased with decrease of PCDD/F concentration in sediment and water. Concentration in fish can be highly variable, but the concentration is comparable in muscle between different species of fish if the concentrations are normalized by lipid content. PCDD/F accumulate in certain tissues with the highest proportions found in the liver of fish. The concentrations and TEQs in livers were also decreased with concentrations of sediments and water. The concentrations of PCDD/F in muscle are significantly correlated with those in liver. BCFs of 2,3,7,8-substituted PCDD/F calculated directly from water were consistent with that calculated indirectly from sediment. PCDD/F concentrations in sediment are much higher than that in water, therefore the measurement is much easier and the results are more accurate. Estimated BCFs for superhydrophobic chemicals derived from sediment may also serve as acceptable surrogates for true bioaccumulation potential.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Accumulation; Partition; PCDD/F; Fish muscle; Fish liver

ISSN (print) / ISBN 0045-6535

e-ISSN 1879-1298

Journal Chemosphere

Quellenangaben Volume: 43 , Issue: 4-7, Pages: 633-641

Publisher Elsevier

Publishing Place Kidlington, Oxford

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Ecological Chemistry (IOEC)