Bioaccumulation and the soil factors affecting the uptake of arsenic in earthworm, Eisenia fetida.

@article{Lee2013BioaccumulationAT,
  title={Bioaccumulation and the soil factors affecting the uptake of arsenic in earthworm, Eisenia fetida.},
  author={Byung-Tae Lee and Sang-woo Lee and Ki-Rak Kim and Kyoung-Woong Kim},
  journal={Environmental science and pollution research international},
  year={2013},
  volume={20 12},
  pages={8326-33}
}
To better understand arsenic (As) bioaccumulation, a soil invertebrate species was exposed to 17 field soils contaminated with arsenic due to mining activity. Earthworms (Eisenia fetida) were kept in the soils for 70 days under laboratory conditions, as body burden increased and failed to reach equilibrium in all soils. After 70 days of exposure, XANES spectra determined that As was biotransformed to a highly reduced form. Uptake kinetics for As was calculated using one compartment model… CONTINUE READING

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