Copper-Based Metal Organic Framework Nanoparticles with Peroxidase-Like Activity for Sensitive Colorimetric Detection of Staphylococcus aureus

被引：263

作者：

Wang, Shuqin ^{[1
]}

Deng, Wenfang ^{[1
]}

Yang, Lu ^{[1
]}

Tan, Yueming ^{[1
]}

Xie, Qngji ^{[1
]}

Yao, Shouzhuo ^{[1
]}

机构：

[1] Hunan Normal Univ, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ China, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 29期

基金：

中国国家自然科学基金;

关键词：

metal-organic framework; peroxidase-like activity; chromogenic reaction; pathogenic bacteria; Staphylococcus aureus; ZEOLITIC IMIDAZOLATE FRAMEWORK; CATALYTIC-ACTIVITY; PLATFORM; SEPARATION; STRATEGY; BACTERIA;

D O I：

10.1021/acsami.7b07307

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Cu-MOF nanoparticles with an average diameter of 550 nm were synthesized from 2-aminoterephthalic acid and Cu(NO3)(2) by a mixed solvothermal method. The Cu-MOF nanoparticles can show peroxidase-like activity that can catalyze 3,3',5,5'-tetramethylbenzidine to produce a yellow chromogenic reaction in the presence of H2O2. The presence of abundant amine groups on the surfaces of Cu-MOF nanoparticles enables facile modification of Staphylococcus aureus (S. aureus) aptamer on Cu-MOF nanoparticles. By combining Cu-MOF-catalyzed chromogenic reaction with aptamer recognition and magnetic separation, a simple, sensitive, and selective colorimetric method for the detection of S. aureus was developed.

引用

页码：24440 / 24445

页数：6

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