New rhodamine dimer probes for mercury detection via color changes and enhancement of the fluorescence emission: Fast recognition in cellulose supported devices

被引：38

作者：

Nunez, Cristina ^{[1
,2
]}

Diniz, Mario ^{[1
]}

Dos Santos, Alcindo A. ^{[3
]}

Capelo, Jose Luis ^{[1
]}

Lodeiro, Carlos ^{[1
]}

机构：

[1] NOVA Univ Lisbon, Fac Sci & Technol, Dept Chem, REQUIMTE,CQFB,BIOSCOPE Grp, P-2829516 Caparica, Portugal

[2] Canterbury Christ Church Univ, Dept Geog & Life Sci, Ecol Res Grp, Canterbury CT1 1QU, Kent, England

[3] Univ Sao Paulo, Inst Quim, BR-05508000 Sao Paulo, Brazil

来源：

DYES AND PIGMENTS | 2014年 / 101卷

基金：

巴西圣保罗研究基金会;

关键词：

Rhodamine; Mercury ion; Fluorescence; Sensor; Solid support; Aqueous detection; SELECTIVE FLUORESCENT; HG2+ IONS; RAPID DETECTION; ENERGY-TRANSFER; CHEMOSENSOR; SENSOR; CHEMODOSIMETER; CELLS;

D O I：

10.1016/j.dyepig.2013.09.019

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two rhodamine dimer compounds exhibiting high selectivity and sensitivity for Hg2+ over other metal cations have been studied in absolute ethanol solution. Increase in the absorption and emission signals with a color change from colorless to pink were observed in both cases. Recognition of Hg2+ with both compounds in the gas phase was also explored. Immobilization of the rhodamine probes in cellulose supported systems to evaluate their efficiency on the fast detection of Hg2+ in aqueous phase was also reported. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：156 / 163

页数：8

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