Issue 4, 2011

Gold nanoparticles for the colorimetric and fluorescent detection of ions and small organic molecules

Abstract

In recent years, gold nanoparticles (AuNPs) have drawn considerable research attention in the fields of catalysis, drug delivery, imaging, diagnostics, therapy and biosensors due to their unique optical and electronic properties. In this review, we summarized recent advances in the development of AuNP-based colorimetric and fluorescent assays for ions including cations (such as Hg2+, Cu2+, Pb2+, As3+, Ca2+, Al3+, etc) and anions (such as NO2, CN, PF6, F, I, oxoanions), and small organic molecules (such as cysteine, homocysteine, trinitrotoluene, melamine and cocaine, ATP, glucose, dopamine and so forth). Many of these species adversely affect human health and the environment. Moreover, we paid particular attention to AuNP-based colorimetric and fluorescent assays in practical applications.

Graphical abstract: Gold nanoparticles for the colorimetric and fluorescent detection of ions and small organic molecules

Article information

Article type
Feature Article
Submitted
19 nov 2010
Accepted
07 jan 2011
First published
28 feb 2011

Nanoscale, 2011,3, 1421-1433

Gold nanoparticles for the colorimetric and fluorescent detection of ions and small organic molecules

D. Liu, Z. Wang and X. Jiang, Nanoscale, 2011, 3, 1421 DOI: 10.1039/C0NR00887G

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