Copper(II) sensing properties of colorimetric and fluorimetric chemosensors based on 7-dimethylaminocoumarin chromophores

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题名:	Copper(II) sensing properties of colorimetric and fluorimetric chemosensors based on 7-dimethylaminocoumarin chromophores
作者:	Chuang, R.-R., Chen, Y.-L., Yang, D.-Y.
贡献者:	Department of Chemistry, Tunghai University
关键词:	7-Dimethylaminocoumarin;Chemosensor;Colorimetric;Fluorimetric
日期:	2010
上传时间:	2013-05-14T09:02:37Z (UTC)
摘要:	Two 7-dimethylaminocoumarin-based derivatives were prepared, and their metal ion sensing properties were investigated. One compound showed a selective chromogenic behavior toward Cu2+ ion by changing the color of the solution from colorless to greenish-yellow. The other ionophore exhibited a pronounced Cu2+-selective fluoroionophoric property among the representative transitionand heavy-metal ions in aqueous DMSO solution. The fluorescence was efficiently quenched with 1 equiv of Cu2+ ion, and the detection limit was found to be 1.5 ? 10-7 M. Copyright ? 2010 American Scientific Publishers All rights reserved.
關聯:	Sensor Letters 8 (4) , pp. 607-612
显示于类别:	[化學系所] 期刊論文

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