Journal ArticleDOI
Ultra-small fluorescent metal nanoclusters: Synthesis and biological applications
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In this article, the authors summarize synthesis strategies of water-soluble fluorescent metal nanoclusters and their optical properties, highlight recent advances in their application for ultrasensitive biological detection and fluorescent biological imaging, and finally discuss current challenges for their potential biomedical applications.About:
This article is published in Nano Today.The article was published on 2011-08-01. It has received 1306 citations till now. The article focuses on the topics: Nanoclusters.read more
Citations
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Papain-directed synthesis of luminescent gold nanoclusters and the sensitive detection of Cu2+.
TL;DR: Highly fluorescent papain stabilized gold nanoclusters (NCs) have been synthesized through a simple wet chemical route and the sensing strategy is also highly selective against the various potential interference ions.
Journal ArticleDOI
Fluorescence Dynamics in BSA-Protected Au25 Nanoclusters
TL;DR: In this article, the authors investigate the fluorescence dynamics in BSA-protected Au25 nanoclusters by time-resolved photoluminescence and transient absorption techniques covering picosecond to microsecond time scales.
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11-Mercaptoundecanoic acid directed one-pot synthesis of water-soluble fluorescent gold nanoclusters and their use as probes for sensitive and selective detection of Cr3+ and Cr6+
Jian Sun,Jie Zhang,Yongdong Jin +2 more
TL;DR: In this paper, a one-pot approach to prepare fluorescent gold nanoclusters (AuNCs) from HAuCl4 by simply using 11-mercaptoundecanoic acid (11-MUA) as a reducing and capping agent, in an aqueous solution of NaOH at room temperature.
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Facile one-pot synthesis of l-proline-stabilized fluorescent gold nanoclusters and its application as sensing probes for serum iron
TL;DR: Based on the aggregation-induced fluorescence quenching mechanism, the Au NCs provided favorable biocompatibility, high sensitivity and good selectivity for the measurement of ferric ion (Fe(3+)).
Journal ArticleDOI
Nanoscale chirality in metal and semiconductor nanoparticles
TL;DR: This work discusses optical activity in metal nanoclusters and semiconductor quantum dots, broadly focusing on recent advances in nanoscale chirality in plasmonic nanoparticles and their assemblies.
References
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Journal ArticleDOI
Quantum Dots for Live Cells, in Vivo Imaging, and Diagnostics
Xavier Michalet,Fabien Pinaud,Laurent A. Bentolila,James M. Tsay,Sören Doose,J. Jack Li,Gobalakrishnan Sundaresan,Anna M. Wu,Sanjiv S. Gambhir,Sanjiv S. Gambhir,Shimon Weiss +10 more
TL;DR: The new generations of qdots have far-reaching potential for the study of intracellular processes at the single-molecule level, high-resolution cellular imaging, long-term in vivo observation of cell trafficking, tumor targeting, and diagnostics.
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Localized Surface Plasmon Resonance Spectroscopy and Sensing
TL;DR: This review describes recent fundamental spectroscopic studies that reveal key relationships governing the LSPR spectral location and its sensitivity to the local environment, including nanoparticle shape and size and introduces a new form of L SPR spectroscopy, involving the coupling between nanoparticle plasmon resonances and adsorbate molecular resonances.
Journal ArticleDOI
Luminescent Carbon Nanodots: Emergent Nanolights
Sheila N. Baker,Gary A. Baker +1 more
TL;DR: This Review summarize recent advances in the synthesis and characterization of C-dots and speculate on their future and discuss potential developments for their use in energy conversion/storage, bioimaging, drug delivery, sensors, diagnostics, and composites.
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The fluorescent toolbox for assessing protein location and function
TL;DR: The focus is on protein detection in live versus fixed cells: determination of protein expression, localization, activity state, and the possibility for combination of fluorescent light microscopy with electron microscopy.
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Water-Soluble Quantum Dots for Multiphoton Fluorescence Imaging in Vivo
Daniel R. Larson,Warren R. Zipfel,Rebecca M. Williams,S. W. Clark,Marcel P. Bruchez,Frank W. Wise,Watt W. Webb +6 more
TL;DR: This work characterized water-soluble cadmium selenide–zinc sulfide quantum dots for multiphoton imaging in live animals and found no evidence of blinking (fluorescence intermittency) in solution on nanosecond to millisecond time scales.