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

16 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

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All Science Journal Classification (ASJC) codes

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

Cite this

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 - 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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10.1016/j.jlumin.2015.08.036