A Highly Sensitive and Selective Fluorescent Probe for Cyanide Based on the Dissolution of Gold Nanoparticles and Its Application in Real Samples

被引：64

作者：

Lou, Xiaoding ^{[1
]}

Zhang, Yi ^{[1
]}

Qin, Jingui ^{[1
]}

Li, Zhen ^{[1
]}

机构：

[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2011年 / 17卷 / 35期

基金：

中国国家自然科学基金;

关键词：

analytical methods; cyanide detection; fluorescent probes; gold; nanoparticles; METAL-IONS; COLORIMETRIC DETECTION; GAS-CHROMATOGRAPHY; SENSORS; FIRE; BLOOD; LUMINESCENT; RECOGNITION; MECHANISM; ACCIDENT;

D O I：

10.1002/chem.201100389

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a simple fluorescence method for detection of cyanide sensitively and selectively based on the dissolution of polymer-coated gold nanoparticles by cyanide. The lowest concentration for quantification of cyanide ions was 3.0 x 10(-7) M, and other common anions nearly have no influence. Furthermore, several real water samples spiked with cyanide, including local groundwater, tap water, boiled water, and lake water, were analyzed, and the experimental results demonstrated that our sensing system worked well in the above water samples, with a good linear correlation.

引用

页码：9691 / 9696

页数：6

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