Colorimetric detection of copper ions in sub-micromolar concentrations using a triarylamine-linked resin bead

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Title:	Colorimetric detection of copper ions in sub-micromolar concentrations using a triarylamine-linked resin bead
Authors:	Thomas, T G Sreenath, K Gopidas, K R
Keywords:	Fluoresecent chemosensor Selective recognition Aqueous solution Radical cations Derivatives Nanoparticles
Issue Date:	2012
Publisher:	The Royal Society of Chemistry
Citation:	Analyst 137(22):5358-5362;2012
Abstract:	The triarylamine derivative ETPA reacts with Cu2+ to give deeply colored, stable radical cations in acetonitrile solution. ETPA was immobilized on to a tentagel resin bead which was then used for the fabrication of a simple device capable of the colorimetric detection of submicromolar concentrations of Cu2+ ions in water. The naked eye detection limit reported here for Cu2+ is one of the lowest ever reported for small molecule sensors
URI:	http://hdl.handle.net/123456789/518
Appears in Collections:	2012

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