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

被引：138
|
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
收藏
页码：44466 / 44473
页数：8
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