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Nickel nanoparticle modified BDD electrode shows an electrocatalytic response to adenine and DNA in aqueous alkaline media

Research output: Contribution to journalJournal articlepeer-review

Published
  • John C. Harfield
  • Kathryn E. Toghill
  • Christopher Batchelor-McAuley
  • Clive Downing
  • Richard G. Compton
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<mark>Journal publication date</mark>04/2011
<mark>Journal</mark>Electroanalysis
Issue number4
Volume23
Number of pages8
Pages (from-to)931-938
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The electrooxidation of adenine, guanine and DNA was investigated under alkaline conditions at unmodified (BDDE) and at a nickel nanoparticle modified boron-doped diamond electrodes (Ni-BDDE). An oxidative response was observed at the Ni-BDDE for each analyte, particularly notable of the adenine as the oxidation overpotential was reduced to below 0.5 V vs. SCE, and was otherwise unobserved at the unmodified electrode.