Development of a biosorbent for arsenite: structural modeling based on X-ray spectroscopy.

  title={Development of a biosorbent for arsenite: structural modeling based on X-ray spectroscopy.},
  author={M{\^o}nica Cristina Teixeira and V S T Virg{\'i}nia S T Ciminelli},
  journal={Environmental science & technology},
  volume={39 3},
This work describes a biological route for direct sorption of aqueous As(III) species, which are the most toxic and mobile arsenic species found in soils. Based upon the biochemical mechanisms that explain arsenic toxicity, we propose that a waste biomass with a high fibrous protein content obtained from chicken feathers can be used for selective As(III) adsorption. Prior to adsorption, the disulfide bridges present in the biomass are reduced by thioglycolate. Our investigations demonstrated… CONTINUE READING

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