Electrochemical Study of the Complex [Cu(pdto)(H2O)]2+ (pdto =1,8-bis-(2-pyridyl)-3,6-dithiaoctane) in the Presence of the Superoxide. Toward an Electrochemical Method to Measure SOD Activity
DOI:
https://doi.org/10.29356/jmcs.v57i3.206Keywords:
Copper (II) complex, pdto=1, 8-bis-(2-pyridyl)-3, 6-dithiaoctane, SOD mechanism, electrochemistryAbstract
This work presents the electrochemical characterization of Cu(NO3)2•2.5H2O, [Cu(pdto)H2O](PF6)2 and superoxide ion in DMSO. The electrochemical processes Cu(II) + 2e → Cu(0), [Cu(pdto)(H2O)]2+ + 1e → [Cu(pdto)]+, [Cu(pdto)]+ + 1e → Cu(0), O2 •- ↔ O2 + 1e-, and O2•- + 1e + H+ → OOH- were identified. The electrochemical response of a mixture of the complex [Cu(pdto)(H2O)]2+ with superoxide was studied and, according to this result, it was possible to establish a simple methodology that indicates if a compound presents a superoxide dismutase (SOD)-like mechanism.Downloads
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Published
2017-10-12
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