Peroxidase-like Activity of Metal-Organic Framework [Cu(PDA)(DMF)] and Its Application for Colorimetric Detection of Dopamine

被引：139

作者：

Wang, Jun ^{[1
]}

Hu, Yuyan ^{[1
]}

Zhou, Qi ^{[1
]}

Hu, Lianzhe ^{[1
]}

Fu, Wensheng ^{[1
]}

Wang, Yi ^{[1
]}

机构：

[1] Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2019年 / 11卷 / 47期

基金：

中国国家自然科学基金;

关键词：

metal-organic frameworks; peroxidase; nanozyme; copper; dopamine; GLUCOSE; ENZYMES; NANOPARTICLES; DNA;

D O I：

10.1021/acsami.9b17488

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A metal-organic framework (MOF) [Cu(PDA)(DMF)] was synthesized under mild mixed solvothermal conditions. It is constructed by 1,10-phenanthroline-2,9-dicarboxylic acid (H(2)PDA) and Cu2+ ions. The complex exhibits high peroxidase-like activity and can catalytically oxidize the colorless substrate 3,3',5,5'-tetramethylbenzidine to a blue product in the presence of H2O2. However, the peroxidase-like activity of [Cu(PDA)(DMF)] can be potently inhibited in the presence of dopamine. Based on this phenomenon, the colorimetric detection of dopamine was demonstrated with good selectivity and high sensitivity. [Cu(PDA)(DMF)] showed good stability and robust catalytic activity, which has been employed in the detection of dopamine in human urine and pharmaceutical samples.

引用

页码：44466 / 44473

页数：8

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