Highly Selective Detection of Al3+ by Carboxamide-Based Fluorescent Chemosensor

被引：0
|
作者：
Jae Sung Heo
Dongkyun Gil
Cheal Kim
机构：
[1] SNUT (Seoul National Univ. of Sci. and Tech.),Department of Fine Chem
来源：
Journal of Fluorescence | 2022年 / 32卷
关键词：
Carboxamide; Fluorescence; Chemosensor; Test strip; DFT calculation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We designed a carboxamide-based fluorescent chemosensor HTPQ ((E)-2-(((8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methylene)amino)thiophene-3-carboxamide) for detecting Al3+. HTPQ could probe Al3+ by fluorescence enhancement. Limit of detection for Al3+ toward HTPQ was 1.4 μM. Binding of HTPQ to Al3+ was determined to be a 1:1 ratio with the analysis of Job plot and ESI-mass. In addition, HTPQ was able to detect Al3+ using the test strip by fluorescent variation. The sensing process of Al3+ by HTPQ was presented by UV–vis titration, ESI–MS, Job plot, 1H NMR titration and DFT calculation.
引用
收藏
页码：825 / 833
页数：8
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