Rhodafluor-based chromo- and fluorogenic probe for cyanide anion

Rhodafluor-based chromo- and fluorogenic probe for cyanide anion
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基于 Rhodaflor 的氰化物阴离子显色和荧光探针

DOI:
10.1016/j.snb.2011.06.047
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发表时间:
2011-11
影响因子:
8.4
通讯作者:
Zhao, Yun
Zhao, Yun
中科院分区:
化学1区
文献类型:
--
作者:
Lv, Xin;Liu, Yunlong;Wang, Pi;Chen, Maliang;Guo, Wei;Liu, Jing;Zhao, Yun

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设计、合成并表征了一种基于若丹明荧光素的CN-−显色荧光探针。该探针包括若达氟的光谱单元和CN−特异的三氟乙酰氨基结合单元。由于其螺环结构,探针本身是无色和非荧光的,而CN−诱导的相应螺内酯的开环引起强烈的荧光发射和明显的颜色变化。该体系对水溶液中CN-−的检测具有很好的选择性,且大多数背景阴离子对CN-−的检测没有干扰。
A rhodafluor-based chromo- and fluorogenic probe for CN−has been designed, synthesized, and characterized. The probe comprises a spectroscopic unit of rhodafluor and a CN−-specific trifluoroacetylamino binding unit. The probe itself is colorless and nonfluorescent because of its spirocyclic structure, whereas ring-opening of the corresponding spirolactone induced by CN−gives rise to strong fluorescence emission and also clear color changes. In the system, an excellent selectivity toward the detection of CN−in aqueous solution over a wide range of tested anions was observed; moreover, most of the background anions have not any interference with the detection of CN−.
DOI: 10.1021/jo061798t
发表时间: 2006-12-08
影响因子: 3.6
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