T. Schwarze,H. Müller, S. Ast, D. Steinbrück, S. Eidner, F. Geißler, M. U. Kumke, H.-J. Holdt
Fluorescence lifetime-based sensing of sodium by an optode
Chem. Commun. 2014, 50, 14167
DOI: 10.1039/C4CC06112H
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.
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