Uptake and transfer of14C-simetryne through the laboratory freshwater food chain

Xu Ying; J. P. Lay; Zhang Yongyuan

doi:10.1007/BF02842653

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Uptake and transfer of14C-simetryne through the laboratory freshwater food chain

Updated：2023-05-16

- Uptake and transfer of14C-simetryne through the laboratory freshwater food chain
- Journal of Oceanology and Limnology Vol. 7, Issue 1, Pages: 10-16(1989)
- Affiliations：
  
  Institute of Hydrobiology
- Author bio：
- Funds：
- DOI：10.1007/BF02842653
  CLC：
- Published：1989
- Accepted：
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Ying, X., Lay, J.P. & Yongyuan, Z. Uptake and transfer of14C-simetryne through the laboratory freshwater food chain., Chin. J. Ocean. Limnol. 7, 10–16 (1989). https://doi.org/10.1007/BF02842653
DOI：

Ying, X., Lay, J.P. & Yongyuan, Z. Uptake and transfer of14C-simetryne through the laboratory freshwater food chain., Chin. J. Ocean. Limnol. 7, 10–16 (1989). https://doi.org/10.1007/BF02842653 DOI：

摘要

Abstract

This paper deals with the bioconcentration of14C-simetryne from water by aquatic test organisms: green algae—Monoraphidium minutum

rotifers—Brachionus rubens

daphnids—Daphnia magna

and fish—Brachydanio rerio. The chemical was bioconcentrated rapidly in all test species during the first 48 hours of experiment. The BCF values (bioconcentration factor) from all uptake studies show that simetryne has higher accumulation in algae than in rotifers

daphnids and zebra fish. The logarithm of the n-octanol/water partition coefficient of simetryne measured as 2.06±0.05 was correlated with the BCFs in the organisms as based on the lipid contents. 14C-simetryne uptake via the food-chain amounted to only 22% to 42% of the bioconcentration from water. Clearance of14C-derived residues from fish was rapid with a half-life of 2.1 days.

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references

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