Poly(phenylenediamine) film for the construction of glucose biosensors based on platinized glassy carbon electrode

Dong Mei Zhou, Yi Qing Dai, Kwok Keung SHIU*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

32 Citations (Scopus)


Three phenylenediamine isomers (including ortho-, meta- and para-derivatives) were electrochemically polymerized to give polyphenylenediamine (PPD) films on platinized glassy carbon electrodes. Amperometric glucose sensors were developed by immobilizing glucose oxidase (GOx) into these polymer matrices during polymerization. Effects of the polymerization potential, polymerization charge, monomer concentration, GOx concentration and Pt deposition charge on the performance of the enzyme electrode to glucose were investigated. These resulting GC/Pt/PPD-GOx electrodes showed rapid electrochemical responses to hydrogen peroxide and glucose, and very good anti-interference ability to ascorbic acid. Correlation between the electroanalytical behaviors of the enzyme electrodes and the polymer structures was examined.

Original languageEnglish
Pages (from-to)1997-2003
Number of pages7
JournalJournal of Applied Electrochemistry
Issue number11
Publication statusPublished - Nov 2010

Scopus Subject Areas

  • Chemical Engineering(all)
  • Electrochemistry
  • Materials Chemistry

User-Defined Keywords

  • Electropolymerized poly(phenylenediamine) films
  • Glucose biosensor
  • Phenylenediamine isomers
  • Platinum deposits


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