Potentiometric performances of polymer membtane electrode based on cyclosporin

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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18권 6호

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싸이크로스포린을 이용한 고분자막 전위차 전극

Potentiometric performances of polymer membtane electrode based on cyclosporin

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

2005, v.18 no.6, pp.490-494

이인숙 (서울여자대학교)

이인숙. (2005). 싸이크로스포린을 이용한 고분자막 전위차 전극. , 18(6), 490-494.

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Abstract

The main component governing selectivity in ion-selective electrodes and optodes is the ionophore. For this reason, a member of natural products that possess selective ion-binding properties have long been sought after. By applying this principle, the performance of cyclosporin used as neutral carriers for calcium selective polymeric membrane electrode was investigated. The calcium ion-selective electrode based on cyclosporin gave a good Nernstian response of 26.6 mV per decade for calcium ion in the activity range $1{\times}10^{-6}M$ to $1{\times}10^{-2}M$. The optimized calcium ion-selective electrode displayed very comparable selectivity for $Ca^{2+}$ ion against alkali and alkaline earth metal ions, $Na^{2+}$, and $Mg^{2+}$ in particular.

keywords: cyclosporin, ionophore, <TEX>$Ca^{2+}$</TEX>, ion-selective electrode

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싸이크로스포린을 이용한 고분자막 전위차 전극

Potentiometric performances of polymer membtane electrode based on cyclosporin

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