Fluorescent and chromogenic probes bearing salicylaldehyde hydrazone functionality for cyanide detection in aqueous solution

Fluorescent and chromogenic probes bearing salicylaldehyde hydrazone functionality for cyanide detection in aqueous solution
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具有水杨醛腙功能的荧光和显色探针,用于水溶液中氰化物的检测

DOI:
10.1016/j.snb.2009.09.038
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发表时间:
2009-12
影响因子:
8.4
通讯作者:
Liu, Yunlong
Liu, Yunlong
中科院分区:
化学1区
文献类型:
--
作者:
Guo, Wei;Sun, Yue;Liu, Yunlong

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报道了两种具有快速响应的高选择性的以水杨醛腙为结合位点的氰化物探针。氰化物的检测是通过氰化物阴离子对探针亚胺基团的亲核攻击进行的,结合化学计量比为1:1,这可以通过1H NMR和MS研究来证实。特异性反应导致其中一种探针的荧光显著增强,另一种探针的颜色从浅黄色变为暗红色。本文所述的氰化物检测方法应具有潜在的应用,作为一个新的家庭的探针检测氰化物在水溶液中。
Two highly selective cyanide probes with a salicylaldehyde hydrazone functionality as binding site were reported with fast response. The detection of cyanide was performed via the nucleophilic attack of cyanide anion on the imine group of the probes with a 1:1 binding stoichiometry, which could be confirmed by1H NMR and MS studies. The specific reaction results in a prominent fluorescence enhancement for one of the probes and a color change from pale yellow to dark red for the other. The cyanide detection method described here should have potential application as a new family of probes for detecting cyanide in aqueous solution.
DOI: 10.1002/chin.199744337
发表时间: 1997-10
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