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Emulsion-Based Fluorosensors for Potassium Featuring Improved Stability and Signal Change

Krause, Christian, Werner, Tobias, Huber, Christian and Wolfbeis, Otto S. (1999) Emulsion-Based Fluorosensors for Potassium Featuring Improved Stability and Signal Change. Analytical Chemistry 71 (23), pp. 5304-5308.

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Abstract

A novel kind of potassium optode is presented which is based on the use of lipophilic droplets containing valinomycin and entrapped in a structured hydrogel. A positively charged solvatochromic dye located near the surface of the droplets responds to the valinomycin-assisted extraction of potassium from the sample by dramatic decrease of fluorescence intensity. The dynamic range is from 5 to 100 ...

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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/ac9907383DOI
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:20450
Owner only: item control page

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