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Issue 4, 2011
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Gold nanoparticles for the colorimetric and fluorescent detection of ions and small organic molecules

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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

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Publication details

The article was received on 19 Nov 2010, accepted on 07 Jan 2011 and first published on 28 Feb 2011


Article type: Feature Article
DOI: 10.1039/C0NR00887G
Citation: Nanoscale, 2011,3, 1421-1433
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    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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