Transient measurement with an enzyme-immobilized electrode undergoing protein adsorption

Satoka Aoyagi, Yusuke Suzuki, Kiyotaka Sakai, Takehiro Miyasaka, Yasuo Yoshimi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

A measurement without the influence of protein adsorption on the sensor surface has been developed using transient current of an enzyme-immobilized electrode. Response current decreases due to protein adsorption on the sensor surface and the enzyme-immobilized membrane causing glucose concentration gradient. By measuring glucose concentration in the transient state while controlling GOD activity, it is possible to prevent the influence of protein adsorption. A needle-type electrode glucose sensor on which enzyme is immobilized with a polyurethane membrane, with electrochemical on-off control of enzyme activity, is capable of accurate measurement of glucose concentration in bovine serum at least for 24 hrs.

本文言語English
ページ(範囲)251-253
ページ数3
ジャーナルElectrochemistry
69
4
DOI
出版ステータスPublished - 2001 4

ASJC Scopus subject areas

  • Electrochemistry

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