Geobacter sulfurreducens biofilms developed under different growth conditions on glassy carbon electrodes: Insights using cyclic voltammetry

Krishna P. Katuri, Paul Kavanagh, Saravanan Rengaraj, Dónal Leech*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

137 Scopus citations

Abstract

Growth of biofilms of G. sulfurreducens on glassy carbon that yield a bioelectrocatalytic response to acetate oxidation is achieved using a fixed applied potential, with current density for acetate oxidation scaling with applied potential. In contrast biofilms grown under electron acceptor-limiting conditions display redox signals shifted to lower potentials and do not oxidise acetate.

Original languageEnglish (US)
Pages (from-to)4758-4760
Number of pages3
JournalChemical Communications
Volume46
Issue number26
DOIs
StatePublished - Jul 14 2010

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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