articleTop 1% cited
Lysozyme-stabilized gold fluorescent cluster: Synthesis and application as Hg2+ sensor
The Analyst · 2010 · Vol. 135(6) · pp. 1406–1406
Hui Wei(University of Illinois Urbana-Champaign)Zidong Wang(University of Illinois Urbana-Champaign)Limin Yang(Chongqing University)Shiliang Tian(University of Illinois Urbana-Champaign)Changjun Hou(Chongqing University)Yi Lu✉(University of Illinois Urbana-Champaign)
Abstract
Highly fluorescent gold clusters have been synthesized in basic aqueous solution by using lysozyme as reducing and stabilizing agents. The lysozyme-stabilized gold fluorescent clusters (LsGFC) have an average size of 1 nm and emission approximately 657 nm. The fluorescence could be specifically quenched by Hg(2+), so the LsGFC can be used as a sensor for sensitive and selective Hg(2+) detection with a detection limit of 10 nM.
Nanocluster Synthesis and ApplicationsAdvanced Nanomaterials in CatalysisGold and Silver Nanoparticles Synthesis and ApplicationsLysozymeFluorescenceDetection limitAqueous solutionCluster (spacecraft)ChemistryMaterials scienceGold clusterColloidal goldCombinatorial chemistry
MeSH terms
Fluorescent DyesGoldMercuryMuramidaseSpectrometry, FluorescenceWater Pollutants, ChemicalPhotoelectron Spectroscopy
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References
Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Journal of the American Chemical Society · 2009 · 2,557 citations
Highly selective and ultrasensitive detection ofHg2+ based on fluorescence quenching of Au nanoclusters by Hg2+–Au+ interactions
Chemical Communications · 2009 · 719 citations
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