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

被引：113
|
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
收藏
页码：10160 / 10163
页数：4
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