A Selective Colorimetric and Turn-on Fluorescent Chemosensor for Hg2+ in Aqueous Solution

被引：0
作者：
Yi-Ru Chiou
Chin-Feng Wan
An-Tai Wu
机构：
[1] National Changhua University of Education,Department of Chemistry
[2] Chung Shan Medical University,Department of Medical Applied Chemistry
来源：
Journal of Fluorescence | 2017年 / 27卷
关键词：
Colorimetric; Fluorescence; Turn-on; Thiophene;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple colorimetric and turn-on fluorescence receptor FT (thiophene appended fluorescein-hydrazone derivative) was prepared and its cation-sensing properties were investigated. Receptor FT displayed a selective colorimetric change (from colorless to orange color) upon binding to Hg2+ in DMSO/H2O (1:9, v/v) solution. The association constant of FT-Hg2+ complex was calculated to be 3.03 × 109 M−1, and the detection limit for Hg2+ was found to be 0.24 ppm.
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页码：317 / 322
页数：5
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