Aggregation-induced accelerating peroxidase-like activity of gold nanoclusters and their applications for colorimetric Pb2+ detection

被引：114

作者：

Liao, Hong

Liu, Guangjuan

Liu, Yun

Li, Rong

Fu, Wensheng

Hu, Lianzhe ^{[1
]}

机构：

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

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 73期

基金：

中国国家自然科学基金;

关键词：

INDUCED EMISSION ENHANCEMENT; FLUORESCENT DETECTION; METAL NANOCLUSTERS; NANOZYMES; NANOPARTICLES; NANOCERIA;

D O I：

10.1039/c7cc05409b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, we found that Pb2+-induced aggregation can greatly accelerate the peroxidase-like activity of Au nanoclusters (Au-NCs). The catalytic activities of Au-NCs toward peroxidase substrate 3,3',5,5'-tetramethylbenzidine (TMB) oxidation in the presence of H2O2 are nearly 10-fold increased after the Pb2+-induced aggregation. Based on this finding, a simple and reliable colorimetric method for Pb2+ detection was developed.

引用

页码：10160 / 10163

页数：4

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