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Metal nanoclusters: New fluorescent probes for sensors and bioimaging

Paper ID Volume ID Publish Year Pages File Format Full-Text
32308 44921 2014 26 PDF Available
Title
Metal nanoclusters: New fluorescent probes for sensors and bioimaging
Abstract

•Fluorescent metal nanoclusters have been developed as a new class of fluorophores with excellent properties.•New developments in the controllable synthesis and properties of metal nanoclusters are introduced.•The applications of metal nanoclusters in sensors and bioimaging are summarized.•Future challenges and prospects of the development of metal nanoclusters are concluded.

SummaryFluorescent metal nanoclusters (NCs) as a new class of fluorophores have attracted more and more attention due to their unique electronic structures and the subsequent unusual physical and chemical properties. The size of metal NCs approaches the Fermi wavelength of electrons, between metal atoms and nanoparticles, resulting in molecule-like properties including discrete energy levels, size-dependent fluorescence, good photostability and biocompatibility. These excellent properties make them ideal fluorescent probes for biological application. Up to now, significant efforts have been devoted to the synthesis, property and application studies of gold and silver NCs. Recently, a growing number of studies on copper and other metal clusters have also been reported. In this review article, we focus on summarizing recent advances in controllable synthesis strategies, chemical and optical properties, and sensing and imaging applications of metal NCs (mainly including Au, Ag, Cu, etc.). Finally, we conclude with a look at the future challenges and prospects of the future development of metal NCs.

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Keywords
Metal nanocluster; Fluorescent probe; Biolabels; Sensor; Imaging
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 9, Issue 1, February 2014, Pages 132–157
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us