Issue 17, 2013
From the journal:

Analyst

Exclusive fluoride ion recognition and fluorescence “turn-on” response with a label-free DMN Schiff base†

Masood Ayoub Kalooa  and  Jeyaraman Sankar*a  

* Corresponding authors

a Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI Gas Rahat Building, Govindpura, Bhopal, India
E-mail: sankar@iiserb.ac.in
Fax: +91-755-4092392
Tel: +91-755-4092324

Abstract

A label-free DMN Schiff base (4) has been explored as a highly selective and sensitive fluoride ion receptor. Fluoride-induced deprotonation results in a charge transfer (CT) transition red shifted with a fluorescence ‘turn-on’. Anion selectivity can be tuned by the electron push–pull property of substituents at the phenyl para-position. Selectivity for F− is attributed to the suitable acidity of –NH2.

Graphical abstract: Exclusive fluoride ion recognition and fluorescence “turn-on” response with a label-free DMN Schiff base

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Article information

DOI
https://doi.org/10.1039/C3AN00942D
Article type
Communication
Submitted
10 May 2013
Accepted
28 Jun 2013
First published
01 Jul 2013

Analyst, 2013,138, 4760-4763

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Exclusive fluoride ion recognition and fluorescence “turn-on” response with a label-free DMN Schiff base

M. A. Kaloo and J. Sankar, Analyst, 2013, 138, 4760 DOI: 10.1039/C3AN00942D

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