A Simple Strategy for Prompt Visual Sensing by Gold Nanoparticles: General Applications of Interparticle Hydrogen Bonds | Zendy

Lin ShuYi | Zendy; Wu SungHsun | Zendy; Chen Chunhsien | Zendy

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A Simple Strategy for Prompt Visual Sensing by Gold Nanoparticles: General Applications of Interparticle Hydrogen Bonds

Author(s) -

Lin ShuYi,

Wu SungHsun,

Chen Chunhsien

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200600771

Subject(s) - colloidal gold , naked eye , hydrogen bond , nanoparticle , nanotechnology , materials science , thioctic acid , crown ether , chemistry , molecule , organic chemistry , chromatography , detection limit , ion , lipoic acid , antioxidant

Local color : Gold nanoparticles (GNPs) bifunctionalized with a crown ether and thioctic acid can be used for the rapid sensing of a target analyte with the naked eye. A color transformation occurs when the interparticle hydrogen bonds of aggregated GNPs are broken forming a dispersion. For example, the detection of Pb II takes only 1 s (see picture).

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