A direct observation of the peroxidase catalyzed oxidation of halide and thiocyanate ions.

概要

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By using an ion analysis technique, it could be observed that all halides except fluoride were oxidized by the peroxidase systems at an acidic pH (3.75-5.0). In the reactions, the reactivity of chloride, bromide and iodide for the peroxidase-hydrogen peroxide systems increased in the order of the atomic number of halogen. That is, the oxidation of chloride was catalyzed only by myeloperoxidase, the oxidation of bromide by myeloperoxidase, lactoperoxidase and saliva peroxidase and the oxidation of iodide effectively by the all tested peroxidases, namely myeloperoxidase, lactoperoxidase, saliva peroxidase and horseradish peroxidase. Thiocyanate, a pseudohalide was also oxidized by the myeloperoxidase-, lactoperoxidase- and saliva peroxidase-hydrogen peroxide systems.
歯科基礎医学会の論文