A 1,8-naphthalimide-based fluorescent sensor with high selectivity and sensitivity for Hg2+ in aqueous solution and living cells

Daying Liu; Hualing Zhu; Jun Shi; Xinxin Deng; Tingting Zhang; Ye Zhao; Pengpeng Qi; Guangming Yang; Huarui He

doi:10.1039/C9AY00711C

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A 1,8-naphthalimide-based fluorescent sensor with high selectivity and sensitivity for Hg²⁺ in aqueous solution and living cells†

Daying Liu,

*^ab Hualing Zhu,^a Jun Shi,^a Xinxin Deng,^a Tingting Zhang,^a Ye Zhao,^a Pengpeng Qi,^a Guangming Yang^b and Huarui He^c

Author affiliations

* Corresponding authors

^a College of Basic Science, Chemistry Experiment Teaching Center, Tianjin Agricultural University, Tianjin, China

^b Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, China
E-mail: dyxyliu@mail.nankai.edu.cn

^c Heowns Biochem Technologies LLC, Tianjin, China

Abstract

A new 4-amino-1,8-naphthalimide-based fluorescent sensor, with iminodiacetic acid and picolinic acid as receptors, was developed and applied successfully to detect Hg²⁺ in aqueous solution and living cells. It demonstrates high selectivity and sensitivity for sensing Hg²⁺ with about 25-fold enhancement with a characteristic emission band centered at 550 nm with a green color.

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Article information

DOI: https://doi.org/10.1039/C9AY00711C
Article type: Communication
Submitted: 04 Apr 2019
Accepted: 30 May 2019
First published: 30 May 2019

Download Citation

Anal. Methods, 2019,11, 3150-3154

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A 1,8-naphthalimide-based fluorescent sensor with high selectivity and sensitivity for Hg²⁺ in aqueous solution and living cells

D. Liu, H. Zhu, J. Shi, X. Deng, T. Zhang, Y. Zhao, P. Qi, G. Yang and H. He, Anal. Methods, 2019, 11, 3150 DOI: 10.1039/C9AY00711C

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Analytical Methods