Selectivity enhancement in neutral-carrier-type ion sensors based on a liquid-crystalline polymer
Literature Information
Publication Date
2009-04-14
DOI
10.1039/B822449H
Impact Factor
4.616
Authors
Shusuke Osaki, Setsuko Yajima, Keiichi Kimura
View Original
Abstract
A liquid-crystalline polymer was applied to a neutral-carrier-type ion sensor as a membrane material for enhancement of ion selectivity. An ion-sensitive field-effect transistor (ISFET) based on the membranes containing the polymer showed high sensitivity and selectivity for K+ by adding a low-molecular-weight liquid crystal as the plasticizer. The ion-sensor properties of the ISFETs based on the membranes containing a liquid-crystalline polymer were similar to those of the corresponding ion-selective electrodes (ISEs) based on the same polymer. The ion sensor with a liquid-crystalline polymer was more durable than that without any liquid-crystalline polymer. The use of liquid-crystalline polymer as the membrane material improves not only the ion-sensor properties but also the durability.
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Source Journal
Analyst
CiteScore:
7.8
Self-citation Rate:
5.6%
Articles per Year:
653
Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
Ethyl 2,4-bis(trifluoromethyl)-5-pyrimidinecarboxylate
CAS Number:
188781-15-9
Molecular Formula:
C9H6F6N2O2
4-(Bromomethyl)-1-cyclohexyl-2-(trifluoromethyl)benzene
CAS Number:
800381-60-6
Molecular Formula:
C14H16BrF3
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