Novel chloride-selective optode based on polymer-stabilised emulsions doped with a lipophilic fluorescent polarity-sensitive dye

DOI to cite this document:: 10.5283/epub.20436

Huber, Christian ; Werner, Tobias ; Krause, Christian ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 15 Apr 2011 09:11

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Abstract

A chloride-selective optode is presented which is based on a polymer-stabilised emulsion system consisting of a hydrogel with entrapped plasticizer droplets. The droplets contain a neutral chloride-selective ionophore and a polarity-sensitive cationic fluorescent dye (PSD) located near the droplet surface. The ionophore extracts chloride out of the aqueous solution through the hydrogel into the ...