Potentiometric biosensor for urea based on electropolymerized electroinactive polypyrrole

Shinichi Komaba, Michiko Seyama, Toshiyuki Momma, Tetsuya Osaka

研究成果: Article査読

80 被引用数 (Scopus)

抄録

A urea biosensor was developed by immobilizing urease into an electropolymerized electroinactive polypyrrole (PPy) on a platinum electrode. This enzyme-immobilized PPy electrode showed a stable potential response to urea based on the pH response of the electroinactive PPy film electrode. The electropolymerization conditions were optimized, and thus the biosensor showed a Nernstian response with a slope of 31.8mV decade-1 over concentration range of 1 × 10-4-0.3 mol dm-3 urea.

本文言語English
ページ(範囲)383-388
ページ数6
ジャーナルElectrochimica Acta
42
3
DOI
出版ステータスPublished - 1997
外部発表はい

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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