Issue 91, 2014
From the journal:

Chemical Communications

Fluorescence lifetime-based sensing of sodium by an optode†

Thomas Schwarze,a   Holger Müller,a   Sandra Ast,ac   Dörte Steinbrück,b   Sascha Eidner,b   Felix Geißler,b   Michael U. Kumke*b  and  Hans-Jürgen Holdt*a  

* Corresponding authors

a University of Potsdam, Inorganic Chemistry, Karl-Liebknecht-Straße 24-25, 14476 Golm, Germany
E-mail: holdt@uni-potsdam.de
Fax: +49 331 977 5055

b University of Potsdam, Physical Chemistry, 14476 Golm, Germany
E-mail: kumke@uni-potsdam.de

c University of Sydney, School of Chemistry, NSW2006, Sydney, Australia

Abstract

We report a 1,2,3-triazol fluoroionophore for detecting Na+ that shows in vitro enhancement in the Na+-induced fluorescence intensity and decay time. The Na+-selective molecule 1 was incorporated into a hydrogel as a part of a fiber optical sensor. This sensor allows the direct determination of Na+ in the range of 1–10 mM by measuring reversible fluorescence decay time changes.

Graphical abstract: Fluorescence lifetime-based sensing of sodium by an optode

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Article information

DOI
https://doi.org/10.1039/C4CC06112H
Article type
Communication
Submitted
06 Aug 2014
Accepted
18 Sep 2014
First published
19 Sep 2014
This article is Open Access
Creative Commons BY license

Chem. Commun., 2014,50, 14167-14170

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Fluorescence lifetime-based sensing of sodium by an optode

T. Schwarze, H. Müller, S. Ast, D. Steinbrück, S. Eidner, F. Geißler, M. U. Kumke and H. Holdt, Chem. Commun., 2014, 50, 14167 DOI: 10.1039/C4CC06112H

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