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pH-Insensitive Ion Selective Optode: A Coextraction-Based Sensor for Potassium Ions

Krause, Christian, Werner, Tobias, Huber, Christian, Wolfbeis, Otto S. and Leiner, Marc J. P. (1999) pH-Insensitive Ion Selective Optode: A Coextraction-Based Sensor for Potassium Ions. Analytical Chemistry 71 (8), pp. 1544-1548.

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Abstract

A novel type of optical potassium sensor is presented whose response mechanism is virtually insensitive to pH and ionic strength. It is based on a coextraction mechanism using a lipophilic ion carrier and a fluorescent anion, the two contained in a solid oil-in-water emulsion. The latter is composed of lipophilic plasticizer droplets (containing valinomycin) and a hydrogel containing the highly ...

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Item type:Article
Date:1999
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Identification Number:
ValueType
10.1021/ac981042xDOI
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:20453
Owner only: item control page

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