Selectivity enhancement in neutral-carrier-type ion sensors based on a liquid-crystalline polymer

文献信息

发布日期 2009-04-14

DOI 10.1039/B822449H

影响因子 4.616

作者

Shusuke Osaki, Setsuko Yajima, Keiichi Kimura

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摘要

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.

期刊推荐

Critical Reviews in Solid State and Materials Sciences

Bioorganic & Medicinal Chemistry Letters

Journal of the Indian Institute of Science

NDT & E International

Biocatalysis and Biotransformation

Polycyclic Aromatic Compounds

Chinese Journal of Chemistry

Topics in Catalysis

Bioorganic & Medicinal Chemistry

Main Group Chemistry

来源期刊

Analyst

CiteScore: 7.8

自引率: 5.6%

年发文量: 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.

Selectivity enhancement in neutral-carrier-type ion sensors based on a liquid-crystalline polymer

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