Electrocatalytic synthesis of poly(2,6-diaminopyridine) on reduced graphene oxide and its application in glucose sensing

被引：7

作者：

Qin, Yong ^{[1
]}

Yuan, Jie ^{[1
]}

Ma, Jianfeng ^{[1
]}

Kong, Yong ^{[1
]}

Xue, Huaiguo ^{[2
]}

Peng, Yonggang ^{[3
]}

机构：

[1] Changzhou Univ, Sch Petrochem Engn, Jiangsu Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Peoples R China

[2] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China

[3] Changzhou Univ, Jiangsu Key Lab Fine Petrochem Engn, Changzhou 213164, Peoples R China

来源：

RSC ADVANCES | 2015年 / 5卷 / 65期

基金：

中国国家自然科学基金;

关键词：

GLASSY-CARBON ELECTRODE; ELECTROCHEMICAL COPOLYMERIZATION; SENSOR; AMINOPHENOL; ANILINE; FILMS; 2,6-PYRIDINEDIAMINE; POLYMERIZATION; NANOCOMPOSITES; NANOSHEETS;

D O I：

10.1039/c5ra07345f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reduced graphene oxide (RGO) was prepared via electrochemical reduction of graphene oxide (GO), and it can effectively catalyze the polymerization of 2,6-diaminopyridine. Poly(2,6-diaminopyridine) (PDAP) deposited on RGO (PDAP-RGO) has good electroactivity in a wide pH range until pH 11.0. Due to the electrocatalytic reduction of H2O2 at the PDAP-RGO, a platform for glucose sensing was constructed by immobilizing glucose oxidase (GOD) into the PDAP-RGO. The proposed glucose sensor exhibited a wide linear range from 0.05 to 6.65 mM, a low detection limit of 0.142 mu M, a good reproducibility and stability. The apparent Michaelis-Menten constant of GOD was also calculated based on the relationship between steady-state current and glucose concentration.

引用

页码：52896 / 52901

页数：6

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