Gold nanoparticles as efficient sensors in colorimetric detection of toxic metal ions: A review

被引：503

作者：

Priyadarshini, E. ^{[1
]}

Pradhan, N. ^{[1
,2
]}

机构：

[1] CSIR, Inst Minerals & Mat Technol, Acad Sci & Innovat Res, Bhubaneswar 751013, Orissa, India

[2] CSIR, Inst Minerals & Mat Technol, Environm & Sustainibil Dept, Bhubaneswar 751013, Orissa, India

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 238卷

关键词：

Gold nanoparticles; Colorimetric; Functionalization; Detection; Metal ions; SURFACE-PLASMON RESONANCE; SELECTIVE DETECTION; OPTICAL-PROPERTIES; AU NANOPARTICLES; VISUAL DETECTION; CADMIUM IONS; MERCURY IONS; CALCIUM-ION; LEAD IONS; AGGREGATION;

D O I：

10.1016/j.snb.2016.06.081

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Rapid and high precision detection of toxic metal ions is one of the chief requirements today to combat environment pollution. Gold nanoparticles play a key role in this by assisting the development of smart sensors and detection agents. Their high surface to volume ratio and unique optical property facilitates the development of high sensitive analytical GNP based bio-sensing tools. Recently, a major research thrust area has been the design and development of smartly fabricated GNPs as probes for selective detection of toxic contaminates and metal pollutants. In this review we focus on the use of GNPs and its functionalization for colorimetric detection of metal ions. Colorimetric detection enables cost effective and simple monitoring of toxic ions accompanied with the advantages of on-site applicability, avoids complex instrumentation, ease of analysis and usage. We also discuss the promising prospects and future potentiality of GNPs to serve as next generation multi-functional sensing tools and "lab-on-chip" detection agents. (C) 2016 Published by Elsevier B.V.

引用

页码：888 / 902

页数：15

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