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

被引：2

作者：

Song, Yonggui ^{[1
,2
]}

Su, Dan ^{[2
]}

Shen, Yuan ^{[1
]}

Gong, Coucong ^{[1
]}

Song, Yonghai ^{[1
]}

Wang, Li ^{[1
]}

机构：

[1] Jiangxi Normal Univ, Coll Chem & Chem Engn, Key Lab Chem Biol, Key Lab Funct Small Organ Mol,Minist Educ, Nanchang 330022, Jiangxi, Peoples R China

[2] Jiangxi Univ Chinese Tradit Med, 56 Yangming Rd, Nanchang 330006, Peoples R China

来源：

ANALYTICAL METHODS | 2016年 / 8卷 / 23期

基金：

中国国家自然科学基金;

关键词：

DIRECT ELECTRON-TRANSFER; HIGH-PERFORMANCE ANODE; DIRECT ELECTROCHEMISTRY; BIO-INTERPHASE; OXIDASE; NANOTUBES; GRAPHENE; NANOPARTICLES; SURFACE; IMMOBILIZATION;

D O I：

10.1039/c6ay01265e

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 mu M to 19.00 mM with a high sensitivity of 98.46 mu A cm(-2) mM(-1) and a low detection limit of 0.17 mu M. 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.

引用

页码：4547 / 4553

页数：7

共 56 条

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