✦ LIBER ✦

Low-Frequency Dielectric Dispersion from Ion Permeability of Membranes

✍ Scribed by Wensheng Kuang; Stuart O. Nelson

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 238 KB
Volume: 193
Category: Article
ISSN: 0021-9797
DOI: 10.1006/jcis.1997.5073

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✦ Synopsis

Low-frequency dielectric behavior of membrane/electrolyte systems was studied with artificial membranes made from thin plastic films and NaCl electrolyte of various concentrations. A low-frequency dielectric dispersion or relaxation, which is associated with membrane pores and membrane permeability, was observed and investigated. A qualitative explanation is proposed. Membrane structure characteristics, such as thickness, pore size, and number, were found to affect significantly the low-frequency dielectric dispersion, which indicates some potential applications for low-frequency dielectric measurements in membrane- or tissue-related areas. Copyright 1997 Academic Press. Copyright 1997Academic Press

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