Journal ArticleDOI
Ultra-small fluorescent metal nanoclusters: Synthesis and biological applications
Reads0
Chats0
TLDR
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
More filters
Journal ArticleDOI
Fluorescent silver nanoclusters capped by polyethyleneimine with different molecular weights: Universal synthesis and application as a temperature sensor
TL;DR: In this paper, a universal, applicable and simple synthetic method of Ag nanoclusters capped by polyethyleneimine (PEI) with different molecular weights (AgNC-PEIs), including Mw 600, 1300, 1800, 2000, 10, 000, 25,000, 70,000 and 750,000) was developed.
Journal ArticleDOI
Cu2+-Mediated turn-on fluorescence assay for sulfide ions using glutathione-protected gold nanoclusters: enhanced sensitivity, good reusability, and cell imaging
TL;DR: In this paper, a simple assay for highly selective and sensitive fluorescence detection of sulfide ions (S2−) using glutathione-protected gold nanoclusters (GSH-Au NCs) was developed.
Journal ArticleDOI
A fluorometric sensing method for sensitive detection of trypsin and its inhibitor based on gold nanoclusters and gold nanoparticles
TL;DR: A facile, label-free, and sensitive fluorometric strategy for detection of trypsin and its inhibitor was established on the basis of the fluorescence resonance energy transfer (FRET) between mercaptoundecanoic acid functionalized gold nanoclusters and gold nanoparticles (AuNPs) via protamine as a bridge.
Journal ArticleDOI
Superlinear Photoluminescence by Ultrafast Laser Pulses in Dielectric Matrices with Metal Nanoclusters
J. Bornacelli,Carlos Torres-Torres,H. G. Silva-Pereyra,Gladis Judith Labrada-Delgado,Alejandro Crespo-Sosa,Juan Carlos Cheang-Wong,Alicia Oliver +6 more
TL;DR: These metal nanoclusters present very promising optical features such as bright visible photoluminescence and photostability under strong picosecond laser excitations showing a quadratic dependence on the pump power fluence.
Journal ArticleDOI
Detection of biotin-streptavidin interactions via terminal protection of small molecule linked DNA and the formation of fluorescent DNA-templated silver nanoclusters
Yue He,Bining Jiao +1 more
TL;DR: A fluorescent sensing platform for small molecule-protein interaction assay has been developed based on terminal protection strategy and ssDNA-templated silver nanoclusters (AgNCs), thereby providing a fluorometric tool for the detection of such interactions.
References
More filters
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.