Synthesis and characterization of a naphthalimide derivative based cu2+-selective fluorescent probe

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International Journal of Development Research

Volume: 
7
Article ID: 
10722
3 pages
Research Article

Synthesis and characterization of a naphthalimide derivative based cu2+-selective fluorescent probe

Jinbin Lin, Yuxiang Ji, Wei Ye, Rui Chen, Lifang Zeng, Tianshun Li and Zixi Tang

Abstract: 

A fluorescent probe derived from naphthalimide was successfully synthesized and characterized as an “off-on” type Cu2+-selective fluorescent probe. A prominent fluorescence enhancement at 430 nm was observed in the presence of Cu2+ in ethanol-water solution (5:5, v:v, pH 6.8, 50 mM HEPES). With the optimized experimental conditions, the probe exhibited a dynamic response rangeof 7.0×10-7-9.0×10-6 M for Cu2+, and the detection limit is2.3×10-7 M.

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