Application of potential-sensitive fluorescent dyes in anion and cation-sensitive polymer membranes

DOI to cite this document:: 10.5283/epub.20794

Mohr, Gerhard J. ; Murkovic, Ivana ; Lehmann, Frank ; Haider, Christian ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 13 May 2011 08:55

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Abstract

The applicability of two potential-sensitive dyes (PSDs) for optical sensing of ions is reported. In particular, nitrate and nitrite-responsive as well as potassium and mercury-sensitive polymer membranes have been developed. In general, membranes are composed of a plasticized polymer, an ion carrier and a fluorescent dye which optically transduces the extraction of the analyte ion in the polymer ...