A Highly Copper-Selective Ratiometric Fluorescent Sensor Based on BODIPY

被引：16

作者：

Huang Jinlong ^{[1
]}

Wang Bo ^{[1
]}

Ye Jianguo ^{[1
]}

Liu Bin ^{[1
]}

Qiu Huayu ^{[1
]}

Yin Shouchun ^{[1
]}

机构：

[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Hangzhou 310036, Zhejiang, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2012年 / 30卷 / 08期

基金：

中国国家自然科学基金;

关键词：

BODIPY; chemosensor; copper(II); ratiometric measurement; spectroscopic properties; INTERNAL CHARGE-TRANSFER; TURN-ON FLUORESCENT; LIVING CELLS; TUNABLE PHOTOCHROMISM; AQUEOUS-MEDIA; OFF-ON; CU2+; CHEMOSENSOR; RHODAMINE; ION;

D O I：

10.1002/cjoc.201200260

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new ratiometric fluorescent sensor (1) for Cu2+ based on 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) with di(2-picolyl)amine (DPA) as ion recognition subunit has been synthesized and investigated in this work. The binding abilities of 1 towards different metal ions such as alkali and alkaline earth metal ions (Na+, K+, Mg2+, Ca2+) and other metal ions ( Ba2+, Zn2+, Cd2+, Fe2+, Fe3+, Pb2+, Ni2+, Co2+, Hg2+, Ag+) have been examined by UV-vis and fluorescence spectroscopies. 1 displays high selectivity for Cu2+ among all test metal ions and a similar to 10-fold fluorescence enhancement in I582/I558 upon excitation at visible excitation wavelength. The binding mode of 1 and Cu2+ is a 1:1 stoichiometry determined via studies of Job plot, the nonlinear fitting of the fluorometric titration and ESI mass.

引用

页码：1857 / 1861

页数：5

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