Mudsnails and sediments from an electronic waste recycling region in South China were chosen to study the polybrominated diphenyl ethers (PBDEs) bioavailability of mudsnail in different ambient levels. Significant (p < 0.05) correlations of biota-sediment accumulation factor (BSAF) versus the reciprocal of PBDE concentration in sediment (1/Sed) occurred in all quantitative PBDE congeners except BDE-209, showed that the BSAFs of PBDEs in mudsnails were increased with reciprocal increasing ambient levels. The BDE-183 correlation of mudsnail versus sediment (r = 0.580) was much lower than the correlation of BDE-209 versus BDE-183 in mudsnails (r = 0.812), indicated the main source of BDE-183 in mudsnails was from the debromination of higher brominated PBDEs.
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This study was financially supported by the National Basic Research Program of China (973 Program) (2003CB415005), the Knowledge Innovation Program of Chinese Academy of Sciences (KZCX2-YW-420-3) and the National Natural Science Foundation of China (20437020).
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Yang, Z.Z., Zhao, X.R., Qin, Z.F. et al. Polybrominated Diphenyl Ethers in Mudsnails (Cipangopaludina cahayensis) and Sediments from an Electronic Waste Recycling Region in South China. Bull Environ Contam Toxicol 82, 206–210 (2009). https://doi.org/10.1007/s00128-008-9600-9
- Polybrominated diphenyl ethers (PBDEs)
- Biota-sediment accumulation factor (BSAF)