The electrocatalytic oxidation of D(+)‐glucose by a cis‐dioxoruthenium complex

Yip‐Kai ‐K Lai, Kwok Yin Wong

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Abstract

The ruthenium oxo complex electrogenerated from Cis‐[RuL2(OH2)2]2+(L = 6,6′‐dichloro‐2,2′‐bipyridine) is an active catalyst for the oxidation of D(+)‐glucose in solution. The second‐order rate‐constant for the reaction between cis [RuL2O2]2+and D( + )glucose in 0.1 M CF3CO2H evaluated by rotating disk voltammetry is (1.2 ± 0.2) × 102dm3mol−1s−1. The chemically modified electrode prepared by immobilization of the ruthenium complex inside a Nafion film on the pyrolytic graphite electrode surface is capable of catalyzing glucose oxidation at potentials comparable to other reported modified electrodes.
Original languageEnglish
Pages (from-to)919-924
Number of pages6
JournalElectroanalysis
Volume6
Issue number11-12
DOIs
Publication statusPublished - 1 Jan 1994

Keywords

  • Glucose oxidation
  • Nafion film
  • Ruthenium complex

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry

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