A fluorescent sensor with high selectivity for Ca2+ against Mg2+ in seawater

Daying Liu; Jing Qi; Zhiqiang Yu; Xiaoyan Liu; Renwei Yang; Haitao Yang; Hexi Chang; Huarui He; Guangming Yang

doi:10.1039/C4AY00312H

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A fluorescent sensor with high selectivity for Ca²⁺ against Mg²⁺ in seawater†

Daying Liu,^a Jing Qi,^a Zhiqiang Yu,^a Xiaoyan Liu,^a Renwei Yang,^b Haitao Yang,^b Hexi Chang,^b Huarui He*^b and Guangming Yang*^a

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* Corresponding authors

^a Department of Chemistry, Nankai University, Tianjin, China
E-mail: yanggm@nankai.edu.cn
Fax: +86 22 23508545
Tel: +86 22 23501230

^b Heowns Biochem Technologies LLC, Tianjin, China
E-mail: huarui.he@heowns.com
Fax: +86 22 83717748
Tel: +86 22 83717408

Abstract

A new 4-amino-1,8-naphthalimide-based fluorescent sensor with phenyliminodiethoxyacetic acid as a receptor was synthesized and characterized. It can be used for continuous monitoring of the calcium ion concentration in seawater with high selectivity against magnesium ions.

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Article information

DOI: https://doi.org/10.1039/C4AY00312H
Article type: Communication
Submitted: 07 Feb 2014
Accepted: 13 Mar 2014
First published: 17 Mar 2014

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Anal. Methods, 2014,6, 3555-3559

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A fluorescent sensor with high selectivity for Ca²⁺ against Mg²⁺ in seawater

D. Liu, J. Qi, Z. Yu, X. Liu, R. Yang, H. Yang, H. Chang, H. He and G. Yang, Anal. Methods, 2014, 6, 3555 DOI: 10.1039/C4AY00312H

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Analytical Methods