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A New Coumarin-Based Fluorescence Turn-On S.ensor For Al(Iii) Ions A nd Its Bioimaging In Cell

文献类型： 外文期刊

作者： Jin, L; Wang, WL; Shen, ZY; Xu, JH; Wang, QM; Zhao, CY

作者机构：

关键词： Aluminum ion; Fluorescence probe; Fluorescence turn - on; Coumarin-based; Bioimaging

期刊名称： JOURNAL OF MOLECULAR STRUCTURE

ISSN： 0022-2860

年卷期： 2019 年 1197 卷

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： A new coumarin-based probe 3-acetyl-7-diethylaminocoumarinthiosemicarbazone (DCT) is synthesized for Al3+ fluorescence detection in CH3CH2OH/H2O (6 : 4, v/v). The fluorescence intensity at 428 nm was enhanced about 15-fold with the fluorescence changed from colorless to blue. The binding constantof Al3+ with DCT is 5.04 x 10(6) M-1. The limit of detection (LOD) of Al3+ is calculated to be 82 nM. Furthermore, the binding details are determined by Job's plot and ESI - MS studies, which indicated that a stoichiometric ratio of 1 : 1 complex is formed between Al3+ and DCT. Cell imaging confirmed that DCT could useful for detecting Al3+ in HepG2 cells. (C) 2019 Elsevier B.V. All rights reserved.

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