✦ LIBER ✦

Nonenzymatic Electrochemical Glucose Sensor Based on Pt Nanoparticles/Mesoporous Carbon Matrix

✍ Scribed by Chang Su; Cheng Zhang; Guoqiang Lu; Chunan Ma

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 181 KB
Volume: 22
Category: Article
ISSN: 1040-0397
DOI: 10.1002/elan.200900633

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A nonenzymatic amperometric sensor for sensitive and selective detection of glucose has been constructed by using highly dispersed Pt nanoparticles supported onto mesoporous carbons (MCs). The Pt nanoparticles/mesoporous carbons (Pt/MCs) composites modified electrode displayed high electrocatalytic activity towards the oxidation of glucose. At an applied potential of 0.1 V, the Pt/MCs electrode has a linear dependence (R=0.996) in the glucose concentration up to 7.5 mM with a sensitivity of 8.52 mA M^−1^ cm^−2^. The Pt/MCs electrode has also shown highly resistant toward poisoning by chloride ions and without interference from the oxidation of common interfering species.

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