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Low-potential glucose sensing utilizing a small planar electrode

Authors
Journal
Sensors and Actuators B Chemical
0925-4005
Publisher
Elsevier
Publication Date
Volume
20
Issue
1
Identifiers
DOI: 10.1016/0925-4005(93)01161-v
Disciplines
  • Biology
  • Design

Abstract

Abstract Consideration of capacitive current, electric field, and diffusion pattern has led to the design of a small planar smooth-Pt electrode (1.8 mm 2) for glucose sensing. When tested in a physiologic buffer containing glucose (50–400 mg/dl) in a cyclic voltammetry system, the electrode demonstrates reproducible and sensitive signals in the low and negative potential region with a linear relationship in a Langmuir-Hinshelwood plot (reciprocal current versus reciprocal glucose concentration).

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