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- W2070543278 abstract "Reactions of copper(II)-polyamine-N-polycarboxylate complexes such as Cu II (edta) (edta: ethylenediamenetetraacetic acid) and Cu II (dtpa) (dtpa: diethylenetriaminepentaacetic acid) with hydrogen peroxide (H 2 O 2 ) were investigated spectroscopically in the presence or absence of biological reductants. In the absence of biological reductants such as L -cysteine, N-acetyl- L -cysteine, L -ascorbic acid, NADH and glutathione, no reaction occurred between Cu II (edta) and H 2 O 2 ; but, in the presence of these biological reductants, Cu II (edta) was reduced to Cu I and then the subsequent redox reaction (Fenton-type reaction) between Cu I and H 2 O 2 occurred to yield hydroxyl radicals (·.OH). From these results, it is concluded that copper(II)-polyamine-N-polycarboxylate complexes cannot directly be reduced to Cu I by H 2 O 2 , because the redox potentials of CU 2 + ions towards H 2 O 2 have been changed by ligation with these polyamine-N-polycarboxylate ligands." @default.
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- W2070543278 date "1992-01-01" @default.
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- W2070543278 title "Spectroscopic studies on the production of hydroxyl radicals from the reactions of copper(II)polyamine-n-polycarboxylate complexes with hydrogen peroxide" @default.
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- W2070543278 doi "https://doi.org/10.1016/s0277-5387(00)86004-0" @default.
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