An electron-conducting cross-linked polyaniline-based redox hydrogel, formed in one step at pH 7.2, wires glucose oxidase

Nicolas Mano, Eun Yoo Joung, Jacob Tarver, Yueh Lin Loo, Adam Heller

Research output: Contribution to journalArticle

92 Scopus citations

Abstract

A polyaniline-based, electron-conducting, glucose-permeable, redox hydrogel was formed in one step at pH 7.2 by cross-linking polymer acid-templated polyaniline with a water-soluble diepoxide, poly(ethylene glycol diglycidyl ether). Coimmobilization of glucose oxidase in the hydrogel, by co-cross-linking in the same step, led to the electrical wiring of the enzyme and to the formation of a glucose electrooxidation catalyst, allowing the electrocatalytic oxidation of glucose at a steady-state current density of 225 μA·cm-2 at 0.3 V vs Ag/AgCl.

Original languageEnglish (US)
Pages (from-to)7006-7007
Number of pages2
JournalJournal of the American Chemical Society
Volume129
Issue number22
DOIs
StatePublished - Jun 6 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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