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Mediated electron transfer of polyethylene oxide-modified superoxide dismutase by methyl viologen

Authors
Journal
Bioelectrochemistry and Bioenergetics
0302-4598
Publisher
Elsevier
Publication Date
Volume
37
Issue
1
Identifiers
DOI: 10.1016/0302-4598(94)01772-s
Keywords
  • Mediated Electron Transfer
  • Polyethylene Oxide-Modified Superoxide Dismutase
  • Methyl Viologen

Abstract

Abstract Methyl viologen was found to efficiently mediate the electron transfer between polyethylene oxide-modified superoxide dismutase and the electrode in dimethyl sulphoxide media. Based on the potential-step chronoamperometric experiments, the rate constant for the mediated electron transfer was estimated to be ≈ (1−2) × 10 3M −1s −1.

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