A highly selective and sensitive benzothiazole-based 'turn-on' fluorescent sensor for Hg2+ ion

被引:21
作者
Erdemir, Serkan [1 ]
Malkondu, Sait [1 ]
Alici, Onder [1 ]
机构
[1] Selcuk Univ, Fac Sci, Dept Chem, TR-42031 Konya, Turkey
关键词
NAKED-EYE DETECTION; MERCURY; CHEMOSENSOR; METHYLMERCURY; METALS;
D O I
10.1111/cote.12122
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A simple benzothiazole-based fluorescent probe (TDA) for the determination of Hg2+ ion in aqueous solutions was synthesised in one step and characterised by H-1 NMR, C-13 NMR, APT, COSY, FTIR, and elemental analysis. TDA shows a significant fluorescence change upon the interaction of Hg2+ ion in DMF-water (v/v=1/1), while only minor changes in fluorescence intensity are observed with 18 other metal ions. Fluorescence enhancement by a factor of 15 is achieved upon selective interaction with Hg2+ ion. The Hg2+ ion detection process is found to be pH dependent; therefore, TDA could be feasible within a pH range of 4.0-7.0.
引用
收藏
页码:32 / 37
页数:6
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