A Cu2+ ion-selective fluoroionophore with dual off/on switches

被引：10
作者：
Moriuchi-Kawakami, Takayo [1 ]
Hisada, Youji [1 ]
Shibutani, Yasuhiko [1 ]
机构：
[1] Osaka Inst Technol, Fac Engn, Dept Appl Chem, Asahi Ku, Osaka 5358585, Japan
来源：
CHEMISTRY CENTRAL JOURNAL | 2010年 / 4卷
基金：
日本学术振兴会;
关键词：
TRANSITION-METAL IONS; FLUORESCENT CHEMOSENSOR; PYRENE EXCIMER; BLUE-SHIFT; DERIVATIVES; SENSOR; ENHANCEMENT; CATION; SENSITIVITY; COPPER(II);
D O I：
10.1186/1752-153X-4-7
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new malonamide fluoroionophore possessing two pyrene moieties was synthesized. This bispyrene exhibited the fluorescence of the pyrene monomer (lambda(em) = 395 nm) and intramolecular excimer (lambda(em) = 467 nm) emissions. The designed derivative showed the excellent ion sensing ability to Cu2+. The "on-off-off" and "off-on-off" fluorescence responses were demonstrated by the addition of the variable Cu2+ concentration. The utilization of the dual off/on responses could apply to the estimation of the rough Cu2+ concentration.
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页数：9
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