Enhanced electrochemiluminescence by ZnO nanowires for taurine determination

被引：15

作者：

Guerrero-Esteban, Tamara ^{[1
]}

Gutierrez-Sanchez, Cristina ^{[1
]}

Revenga-Parra, Monica ^{[1
,2
,3
]}

Luis Pau, Jose ^{[4
]}

Pariente, Felix ^{[1
,2
]}

Lorenzo, Encarnacion ^{[1
,2
,3
]}

机构：

[1] Dept Quim Analit & Anal Instrumental, Madrid, Spain

[2] Univ Autonoma Madrid, Inst Adv Res Chem Sci IAdChem, E-28049 Madrid, Spain

[3] Inst Madrileno Estudios Avanzados IMDEA Nanocienc, Faraday 9,Campus Cantoblanco, Madrid 28049, Spain

[4] Univ Autonoma Madrid, Dept Fis Aplicada, E-28049 Madrid, Spain

来源：

TALANTA | 2019年 / 204卷

关键词：

Taurine; Electrochemiluminiscence; ZnO nanowires; ELECTROGENERATED CHEMILUMINESCENCE; SENSITIVE DETECTION; OPTICAL-PROPERTIES; QUANTUM DOTS; NANOPARTICLES; GLYPHOSATE; GRAPHENE; NANORODS; SENSOR; PHOTOLUMINESCENCE;

D O I：

10.1016/j.talanta.2019.05.090

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel electrochemiluminescence (ECL) sensor for the sensitive detection of taurine was developed. Taurine contains an aliphatic amine that gives it co-reactant properties. The ECL response of the taurine/[Ru(bpy)(3)](2+) system was analyzed on two different electrodes surfaces, screen-printed graphene and gold electrodes, before and after modification with ZnO nanowires (ZnO NWs). The ZnO NWs modified electrode yielded an enhanced ECL signal, allowing rapid detection of taurine at 5.5 x 10(-6) mol L-1 detection limit. The ECL signal is stable and reproducible. The sensor has been applied to the determination of taurine in a commercial taurine supplement.

引用

页码：63 / 69

页数：7

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