Sensitive recognition of cyanide through supramolecularly complexed new calix[4]arenes

被引：14
|
作者：
Chawla, Har Mohindra [1 ]
Shukla, Richa [1 ]
Goel, Preeti [1 ]
机构：
[1] Indian Inst Technol Delhi, Dept Chem, New Delhi 110016, India
来源：
NEW JOURNAL OF CHEMISTRY | 2014年 / 38卷 / 11期
关键词：
FLUORESCENT SENSOR; CHEMOSENSOR; ENSEMBLE; CALIXARENES; DESIGN; PROBE; IONS;
D O I：
10.1039/c4nj00065j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two new calix[4]arene based fluorescence sensors (L1 and L2) have been synthesized and characterized. L1 was found to selectively quench fluorescence intensity upon addition of Cu2+ ions through host-guest complexation and display "on-off'' behavior while L2 was not that efficient. The in situ generated L1.Cu2+ complex could further recognize CN- from the anionic broth with a distinct "off-on'' behavior in the fluorescence titration.
引用
收藏
页码：5264 / 5267
页数：4
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