Voltammetric Sensors and Sensor System Based on Gold Electrodes Modified with Polyarylenephthalides for Cysteine Recognition

被引：7

作者：

Yarkaeva, Yu A. ^{[1
]}

Dubrovskii, D., I ^{[1
]}

Zil'berg, R. A. ^{[1
]}

Maistrenko, V. N. ^{[1
]}

机构：

[1] Bashkortostan State Univ, Ufa 450076, Bashkortostan, Russia

来源：

RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2020年 / 56卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

voltammetry; sensors; sensor system; modified electrodes; polyarylenephthalides; cysteine; GLASSY-CARBON ELECTRODE; ELECTROCHEMICAL DETECTION; NANOPARTICLES; QUANTIFICATION; FILM; NANOCOMPOSITE; IDENTIFICATION; OXIDATION; TONGUE; THIOLS;

D O I：

10.1134/S102319352007006X

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Voltammetric sensors and a sensor system based on gold electrodes modified with polyarylenephthalides (chlorinated polyphthalidylidene fluorene and polyphthalidylidene diphenyl and brominated polyphthalidylidene diphenyl) for the identification of cysteine are developed. The surface morphology of the modified electrodes and electrochemical and analytical characteristics of the sensors are studied, the conditions for the electrochemical oxidation of cysteine and the production of an analytical signal are optimized. The proposed sensors and sensor system, with chemometric processing of response signals, allows recognizing manufacturers of cysteine-containing pharmaceutical preparations. The use of the voltammetric sensor system can significantly increase the percentage of correctly recognized samples in comparison with the registration of voltammograms on separate electrodes.

引用

页码：544 / 555

页数：12