A turn-on indole-based sensor for hydrogen sulfate ion

Chin Feng Wan; Shih Tse Yang; Hsiang Yi Lin; Ya Ju Chang; An Tai Wu

doi:10.1002/bio.2575

A turn-on indole-based sensor for hydrogen sulfate ion

Chin Feng Wan, Shih Tse Yang, Hsiang Yi Lin, Ya Ju Chang, An Tai Wu

Department of Chemistry

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

A simple indole-based receptor 1 was prepared by a simple Schiff-base reaction of 1H-indole-3-carbaldehyde with ethane 1,2-diamine and its fluoroionophoric properties toward anions were investigated. Indole-based receptor 1 acts as a selective turn-on fluorescent sensor for HSO ₄^- in methanol among a series of tested anions. Fluorescence spectroscopy, ultraviolet and nuclear magnetic resonance imaging support that the HSO₄^- indeed interacted with imine nitrogen and the proton of nitrogen in indole ring.

Original language	English
Pages (from-to)	500-503
Number of pages	4
Journal	Luminescence
Volume	29
Issue number	5
DOIs	https://doi.org/10.1002/bio.2575
Publication status	Published - 2014 Aug

All Science Journal Classification (ASJC) codes

Biophysics
Chemistry (miscellaneous)

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AU - Yang, Shih Tse

AU - Lin, Hsiang Yi

AU - Chang, Ya Ju

AU - Wu, An Tai

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AB - A simple indole-based receptor 1 was prepared by a simple Schiff-base reaction of 1H-indole-3-carbaldehyde with ethane 1,2-diamine and its fluoroionophoric properties toward anions were investigated. Indole-based receptor 1 acts as a selective turn-on fluorescent sensor for HSO 4- in methanol among a series of tested anions. Fluorescence spectroscopy, ultraviolet and nuclear magnetic resonance imaging support that the HSO4- indeed interacted with imine nitrogen and the proton of nitrogen in indole ring.

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