A colorimetric chemosensor for the sequential recognition of Mercury (II) and iodide in aqueous media

被引：20
|
作者：
Lee, Seong Youl [1 ]
Lee, Jae Jun [1 ]
Bok, Kwon Hee [1 ]
Kim, Jin Ah [1 ]
Kim, SoYoung [1 ]
Kim, Cheal [1 ]
机构：
[1] Seoul Natl Univ Sci & Technol, Dept Interdisciplinary Bio IT Mat, Dept Fine Chem, Seoul 139743, South Korea
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2016年 / 70卷
基金：
新加坡国家研究基金会;
关键词：
Mercury; Iodide; Colorimetric; Sequential recognition; Test kit; FLUORESCENT SENSOR; RELAY RECOGNITION; WATER; CU2+; IONS; HG2+; COMPLEX;
D O I：
10.1016/j.inoche.2016.06.004
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new highly selective colorimetric chemosensor 1 N'1,N'2-bis((1E,2E)-3-(4-(dimethylamino)phenyl)allylidene)oxalohydrazide was designed and synthesized as a colorimetric sensor for Hg2+ The sensor 1 showed high selectivity toward Hg2+ in a 1:1 stoichiometric system and fast color change from yellow to orange in the presence of Hg2+. The sensing mechanism was explained by theoretical calculations. Moreover, the resulting 1-Hg2+ complex acted as an efficient colorimetric sensor for I-, showing recovery of 1 from 1-Hg2+ complex. Furthermore, 1 and 1-Hg2+ complex could be used as practical, visible colorimetric test kits for Hg2+ and 1, respectively, in an aqueous environment. Therefore, probe I could be a good alternative method for onsite and real time screening of Hg2+ and I-. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：147 / 152
页数：6
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