Glucose sensing based on interdigitated array microelectrode

Peng Jin, Akira Yamaguchi, Fumika Asari Oi, Shigeki Matsuo, Jiubin Tan, Hiroaki Misawa

研究成果: Article

27 引用 (Scopus)


A micro glucose sensor consisting of an interdigitated array gold microelectrode was developed. The interdigitated array structure, which has 10 μm band width and 10 μm band gap, was fabricated in a small region (2.5 × 5 mm 2 ) on a quartz substrate. Glucose oxidase was chemically fixed onto the electrode surface through self-assembled monolayer of 11-mercaptoundecanoic acid; ferroceneacetic acid was used as electron mediator. Electrochemical properties of the glucose oxidase-immobilized microelectrode were investigated by cyclic voltammogram measurements. Results confirmed that the reductive ferroceneacetic acid generated at counter electrode diffuses through a narrow band gap (10 μm) and can reach the working electrode surface.

ジャーナルAnalytical Sciences
出版物ステータスPublished - 2001 1 1

ASJC Scopus subject areas

  • Analytical Chemistry

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