A turn-on fluorescence probe for Fe3+ based-on benzimidazo[2,1-α]benz[de]isoquinoline-7-one derivatives

被引：13

作者：

Wang, Ying ^{[1
]}

Liu, Zheng ^{[1
]}

Sun, Junhua ^{[1
]}

Liu, Xiaogang ^{[1
]}

Pei, Meishan ^{[1
]}

Zhang, Guangyou ^{[1
]}

机构：

[1] Univ Jinan, Sch Chem & Chem Engn, Jinan 250022, Peoples R China

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2017年 / 332卷

关键词：

Fluorescence; Fe3+; DFT; Ethyl-2-aminothiazole-4-(2-hydroxyimino)acetate; LIVING CELLS; AQUEOUS-SOLUTION; HUMAN BLOOD; SENSOR; CHEMOSENSOR; ION; IRON(III); IRON;

D O I：

10.1016/j.jphotochem.2016.10.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel fluorescent chemosensor L based on benzimidazo[2,1-alpha]benz[de] isoquinoline-7-one-12-carboxylic acid as fluorophore with ethyl-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetate as receptor was developed. L in CH3CN/H2O (v/v = 9:1, 5 mM tris, pH = 7.4) exhibited selectively fluorescence "off-on" pattern for Fe3+. Moreover, the detection limit of L for Fe3+ was 9.0 x 10(-8) M. In addition, ESI-MS confirmed 1:1 stoichiometry ratio of L with Fe3+. DFT theory calculations was used to prove the hypothetical PET mechanism. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：515 / 520

页数：6

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