An Efficient Inclusion Complex Based Fluorescent Sensor for Mercury (II) and its Application in Live-Cell Imaging

被引:0
作者
Keerthana P
Hanna Abbo
Anila Rose Cherian
Salam Titinchi
Anitha Varghese
机构
[1] CHRIST (Deemed To Be University),Department of Chemistry
[2] University of the Western Cape,Department of Chemistry
[3] University of Basrah,Department of Chemistry, College of Science
来源
Journal of Fluorescence | 2022年 / 32卷
关键词
Hydroxypropyl-beta-cyclodextrin (H-CD); Inclusion complex; Colorimetric; Hg; Fluorescence enhancement; Chemosensor;
D O I
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中图分类号
学科分类号
摘要
The formation of an inclusion complex between hydroxypropyl-β-cyclodextrin (H-CD) and 4-acetylphenyl-4-(((6-chlorobenzo[d]thiazol-2-yl)-imino)-methyl)-benzoate (L) was investigated by FT-IR, 1H-NMR, X-ray diffraction (XRD), FT-Raman, scanning electron microscope (SEM) techniques in the solid-state, absorption and emission spectroscopy in the liquid state and the virtual state as molecular docking technique. The binding properties of the inclusion complex (H-CD: L) with cations in deionized water was observed via absorbance and photoluminescence (PL) emission spectroscopy. The fluorescence probe (H-CD: L) inclusion complex (IC) was examined for several heavy metal cations, and identified that the PL emission wavelength of the complex displayed a continuous rise in the fluorescence intensity for Hg2+. A linearity range of 1 × 10–8 – 11 × 10–8 M and limit of detection value of 2.71 × 10–10 M was found to be achieved for the detection of Hg2+. This outcome proves that the inclusion complex H-CD: L would be a promising material for the development a solid-state fluorescence probe for detecting Hg2+. It also shows application in real sample analysis and cell imaging.
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页码:1109 / 1124
页数:15
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