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
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
收藏
页码:785 / 794
页数:10
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