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Issue 23, 2016
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Nitrogen-doped carbon foam as an efficient enzymatic biosensing platform for glucose sensing

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Abstract

In this work, nitrogen-doped elastic carbon foam (denoted as NECF) was constructed as the supporting matrix to load glucose oxidase (GOD) for preparing glucose biosensors. The NECF had an elastic three-dimensional (3D) interconnected network architecture and contained a large amount of nitrogen, which could greatly increase the specific surface area, electrical conductivity, mechanical stability, active sites and biocompatibility. Therefore, the NECF-based biosensor exhibited some advantages over the traditional GOD electrodes. The as-prepared glucose biosensors showed a wide linear range from 0.51 μM to 19.00 mM with a high sensitivity of 98.46 μA cm−2 mM−1 and a low detection limit of 0.17 μM. Furthermore, the glucose biosensor exhibited high selectivity, good repeatability and reproducibility, and good stability. This study essentially offered a novel approach for the development of biosensors with excellent analytical properties.

Graphical abstract: Nitrogen-doped carbon foam as an efficient enzymatic biosensing platform for glucose sensing

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Supplementary files

Article information


Submitted
29 Apr 2016
Accepted
12 May 2016
First published
17 May 2016

Anal. Methods, 2016,8, 4547-4553
Article type
Paper

Nitrogen-doped carbon foam as an efficient enzymatic biosensing platform for glucose sensing

Y. Song, D. Su, Y. Shen, C. Gong, Y. Song and L. Wang, Anal. Methods, 2016, 8, 4547
DOI: 10.1039/C6AY01265E

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