A Multi-Responsive Naphthalimide-Based "Turn-on" Fluorescent Chemosensor for Sensitive Detection of Trivalent Cations Ga3+, Al3+ and Cr3+

被引：27

作者：

Jang, Hyo Jung ^{[1
]}

Kang, Ji Hye ^{[1
]}

Yun, Dongju ^{[1
]}

Kim, Cheal ^{[1
]}

机构：

[1] Seoul Natl Univ Sci & Technol SNUT, Dept Fine Chem, Seoul 139743, South Korea

来源：

JOURNAL OF FLUORESCENCE | 2018年 / 28卷 / 03期

关键词：

Fluorescent chemosensor; Theoretical calculations; Gallium; Aluminum; Chromium; EFFECTIVE CORE POTENTIALS; MOLECULAR CALCULATIONS; SEQUENTIAL RECOGNITION; BETA-CYCLODEXTRIN; ALUMINUM TOXICITY; RELAY RECOGNITION; AQUEOUS-MEDIA; PROBE; CELL; IONS;

D O I：

10.1007/s10895-018-2240-5

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A new multifunctional chemosensor 1, (E)-2-(((2-hydroxynaphthalen-1-yl)methylene)amino)-1H-benzo[de]isoquinoline-1,3(2H)-dione, based on naphtalimide and naphthaldehyde was developed, which showed the fluorescence responses to trivalent metal ions (Ga3+, Al3+ and Cr3+). Sensor 1 detected and differentiated selectively trivalent metal ions Ga3+, Al3+ and Cr3+ by fluorescence enhancement at different emissions. The association constant of Ga3+-2.1 complex is the highest one among those of the organic chemosensors reported, to date. The sensing mechanisms for Ga3+, Al3+ and Cr3+ were explained by UV-vis titrations, Job plots, ESI-mass analyses and theoretical calculations.

引用

页码：785 / 794

页数：10

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