Glutathione detection based on peroxidase-like activity of Co3O4-Montmorillonite nanocomposites

被引：132

作者：

Gao, Yan ^{[1
]}

Wu, Kaili ^{[2
]}

Li, Hongyu ^{[2
]}

Chen, Wei ^{[2
]}

Fu, Min ^{[2
]}

Yue, Kang ^{[3
]}

Zhu, Xixi ^{[2
]}

Liu, Qingyun ^{[2
]}

机构：

[1] Shandong Univ Sci & Technol, Coll Elect Engn & Automat, Qingdao 266590, Peoples R China

[2] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Peoples R China

[3] Qingdao Univ, Affiliated Hosp, Dept Clin Lab, Qingdao 266555, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 273卷

基金：

中国国家自然科学基金;

关键词：

Co3O4-MMT; Nanocomposites; Peroxidase; H2O2; Glutathione; Colorimetric; COLORIMETRIC DETECTION; CO3O4; NANOPARTICLES; GOLD NANOPARTICLES; RISK-FACTOR; H2O2; PLASMA; FLUORESCENCE; GLUCOSE; BLOOD; ELECTROPHORESIS;

D O I：

10.1016/j.snb.2018.07.091

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Co3O4 nanoparticles homogeneously anchored on montmorillonite (MMT) were synthesized via a facile hydrothermal method. Co3O4-MMT were demonstrated to possess intrinsic peroxidase- and weak oxidase-like activity, and employed as peroxidase mimics for the first time. The efficient catalytic activity of the Co3O4-MMT NCs may originate from the electron transfer among catalyst, TMB (3,3',5,5'-tetramethylbenzidine) and H2O2. Furthermore, a sensitive colorimetric sensor for glutathione based on the peroxidase activity of Co3O4-MMT is proposed with a low detection limit of 0.088 mu M. And the proposed method had been successfully applied in detecting GSH in human serum and reduced glutathione for injection solutions.

引用

页码：1635 / 1639

页数：5

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