journal article·2010-09-22

Thin-Walled Graphitic Nanocages As a Unique Platform for Amperometric Glucose Biosensor

Chun Xian Guo, Zhao Min Sheng, Yi Qiang Shen, Zhi Li Dong, Chang Ming Li

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Abstract

A thin-walled graphitic nanocages material with well-developed graphitic structure, large specific surface area and pronounced mesoporosity was synthesized and used to construct a sensing interface for an amperometric glucose biosensor, showing a high and reproducible sensitivity of 13.3 μA mM(-1) cm(-2), linear dynamic range of 0.02-6.2 mM, and fast response time of 5 s. It was successfully used to accurately detect glucose in human serum with effective discrimination to common interference species such as dopamine, ascorbic acid, acetaminophen, and uric acid.
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Research context

OpenAlex topics: Electrochemical sensors and biosensors · Conducting polymers and applications · Advanced biosensing and bioanalysis techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, School of Material Science and Engineering, Nanyang Technological University, 70 Nanyang Avenue, Singapore 639798

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