A turn-on Schiff-base fluorescence sensor for Mg2+ ion and its practical application

Min Hsiu Kao; Ting Yu Chen; You Ru Cai; Ching Han Hu; Yen Wen Liu; Yi Jhong; An Tai Wu

doi:10.1016/j.jlumin.2015.08.036

A turn-on Schiff-base fluorescence sensor for Mg²⁺ ion and its practical application

Min Hsiu Kao, Ting Yu Chen, You Ru Cai, Ching Han Hu, Yen Wen Liu, Yi Jhong, An Tai Wu

Department of Chemistry

Research output: Contribution to journal › Article

19 Citations (Scopus)

Abstract

A simple quinoline derivative (quinoline-base sensor) was synthesized and investigated by its sensing properties towards various metal ions in CH₃CN. Quinoline-base sensor showed a highly selective fluorescent enhancement towards Mg²⁺. The association constant of a 1:1 complex between quinoline-base sensor and Mg²⁺ was determined as 1.91×10⁷ M^-1. The detection limit of quinoline-base sensor for the analysis of Mg²⁺ ion was determined as 19.1 ppb; this value is below the maximum permissible level for drinking water.

Original language	English
Pages (from-to)	156-160
Number of pages	5
Journal	Journal of Luminescence
Volume	169
DOIs	https://doi.org/10.1016/j.jlumin.2015.08.036
Publication status	Published - 2016 Jan 1

All Science Journal Classification (ASJC) codes

Biophysics
Biochemistry
Chemistry(all)
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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Kao, M. H., Chen, T. Y., Cai, Y. R., Hu, C. H., Liu, Y. W., Jhong, Y., & Wu, A. T. (2016). A turn-on Schiff-base fluorescence sensor for Mg²⁺ ion and its practical application. Journal of Luminescence, 169, 156-160. https://doi.org/10.1016/j.jlumin.2015.08.036

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abstract = "A simple quinoline derivative (quinoline-base sensor) was synthesized and investigated by its sensing properties towards various metal ions in CH3CN. Quinoline-base sensor showed a highly selective fluorescent enhancement towards Mg2+. The association constant of a 1:1 complex between quinoline-base sensor and Mg2+ was determined as 1.91×107 M-1. The detection limit of quinoline-base sensor for the analysis of Mg2+ ion was determined as 19.1 ppb; this value is below the maximum permissible level for drinking water.",

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AU - Kao, Min Hsiu

AU - Chen, Ting Yu

AU - Cai, You Ru

AU - Hu, Ching Han

AU - Liu, Yen Wen

AU - Jhong, Yi

AU - Wu, An Tai

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AB - A simple quinoline derivative (quinoline-base sensor) was synthesized and investigated by its sensing properties towards various metal ions in CH3CN. Quinoline-base sensor showed a highly selective fluorescent enhancement towards Mg2+. The association constant of a 1:1 complex between quinoline-base sensor and Mg2+ was determined as 1.91×107 M-1. The detection limit of quinoline-base sensor for the analysis of Mg2+ ion was determined as 19.1 ppb; this value is below the maximum permissible level for drinking water.

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