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OPTICAL RECOGNITION OF SUBSTRATES IN MEMBRANES

Morf, Werner E.
Seiler, Kurt
Lehmann, Beatrice
Gehrig, Peter
Rouilly, Marizel
Suter, Gabriela
Rusterholz, Bruno
Spichiger-Keller, Ursula
Pretsch, Ernö
Simon, Wilhelm
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Issue Date
1989
Submitted date
2024-01-16
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Abstract
Macrocyclic and non-macrocyclic ion-selective carriers containing structural elements that heavily change their optical properties in the uv / VIS region upon ion complexation have been introduced earlier as chromoionophores and fluoroionophores, respectively. Here we present membrane morphologies resulting in a successful design of sensor membranes with an optical transduction of the chemical substrate recognition process. Novel optodes based on membranes containing a neutral carrier for a selected ion, a neutral chromoionophore (e.g. for H30*) as well as lipophilic anionic sites can be made to selectively respond to at least 20 different ions.
Citation
Biosensors : applications in medicine, environmental protection and process control, 321 - 329
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Type
Book chapter
conference paper
Language
en
Description
Series/Report no.
GBF monographs ; Volume 13
ISSN
0930-4320
EISSN
ISBN
3527280324
0895739550
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License
Attribution-NonCommercial-ShareAlike 4.0 International