Thiol reduction of arsenite and selenite: DFT modeling of the pathways to an as-se bond.

Abstract

The reactivity of arsenite and selenite with biological thiols plays an important role in the toxicity of these elements. However, toxic effects are eliminated when the species are coadministered, due to the antagonistic relationship between selenium and arsenic. The reduction of arsenous acid and selenious acid by thiol and the formation of an As-Se… (More)
DOI: 10.1021/tx500384h

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