Immobilization of glucose oxidase using pyrrole-titania nanohybrids for electrochemical biosensor applications

Yun Mo Sung, Kyung Soo Park, Yong Ji Lee, Won Seok Chae, Yong Won Song

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Pyrrole-titania hybrid films were electropolymerized on platinum electrodes and used for the entrapment of glucose oxidase (GOD) through chronoamperometry. The electrodes deposited in a sodium dodecyl sulfate solution showed higher oxidation current values than those deposited in a phosphate buffer solution. A possible mechanism for this difference was proposed based on the increase in the amount of GOD attachment, originating from the slow diffusion rate of large dodecyl sulfate anions. Hybrid-GOD electrodes revealed enhanced sensitivity with the concentration variation of glucose solution compared to pyrrole-GOD electrodes.

Original languageEnglish
Pages (from-to)H24-H26
JournalElectrochemical and Solid-State Letters
Volume8
Issue number2
DOIs
Publication statusPublished - 2005 Feb 21
Externally publishedYes

    Fingerprint

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this