期刊
ACS SENSORS
卷 1, 期 10, 页码 1265-1271出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssensors.6b00519
关键词
coumarin; copper complex; cyanide; molecular sensing; fluorescent sensor
资金
- SERB-DST, New Delhi [SB/FT/CS-195/2013]
- CSIR [01 (2855)/ 16/EMR-II]
- DST, India for the SERB-DST [SB/FT/CS-193/2013]
- SERB, New Delhi [SB/ FT/CS-127/2014]
The simple off-the-shelf chemical 6,7-dihydroxycoumarin (1) based copper complex (1 center dot Cu2+) has been used for the selective detection of toxic cyanide in aqueous medium. The DFT calculation confirms the binding behavior between 1 and Cu2+ (2:1) and the red shift in the UV-vis spectrum with copper ion was confirmed by the decrease in energy between HOMO-LUMO band gaps. The cyanide sensing in water was confirmed by both absorption and emission spectral studies. Cyanide ion showed 13-fold increments in fluorescent intensity in emission spectrum via displacement of copper from 1 center dot Cu2+. The limit of detection of CN- in water is 5.77 mu NM; 1 center dot Cu2+ also applicable for the detection of cyanide in fresh mouse serum with detection limit of 14.4 mu M. The cell images showed that 1 center dot Cu2+ could be used to detect intracellular CN-.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据