https://www.selleckchem.com/pr....oducts/semaxanib-su5
A novel zero-valent iron nanomaterial (Fe0@Fe2MnO4) was synthesized and achieved an ultrasensitive electrochemical detection of As(iii). It was found that the enhanced sensitivity is attributed to the surficial catalytic redox couple Fe(ii)/Fe(iii) induced by Fe0 of Fe0@Fe2MnO4. Besides, the catalytic kinetics was modelled and simulated, and the strong influence of the oxidation potential of the catalytic redox species on sensitivity was revealed. By tailoring the surficial atomic and electronic structures of the material, the
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