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
收藏
页码：1635 / 1639
页数：5
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