PHASE TRANSITION BEHAVIOR AND PERMEATION PROPERTIES OF CATIONIC AND ANIONIC ARTIFICIAL LIPIDS WITH TWO ALKYL CHAINS.

Atsushi Kumano, Tisato Kajiyama, Motowo Takayanagi, Toyoki Kunitake, Yoshio Okahata

研究成果: Contribution to journalArticle査読

35 被引用数 (Scopus)

抄録

Membrane structure and crystal-liquid crystal phase transition behaviors were investigated for the water system of totally artificial lipids with cationic or anionic head group and two alkyl chains. These artifical lipids formed multilamellar liposomes composed of a bimolecular layer. The phase transition temperature from gel to liquid crystalline lamellae decreased steadily to a limiting temperature with an increase in water concentration up to the lipid fraction of 0. 80-0. 85. This kind of phase diagram means that the artifical lipids have characteristics of both thermotropic and lyotropic mesomorphisms. For the cationic artificial lipid, the thickness of the bimolecular lamella in a gel state was shorter than a bimolecular length calculated on the assumption of planar zigzag conformation of the alkyl chains.

本文言語英語
ページ(範囲)1216-1222
ページ数7
ジャーナルBerichte der Bunsengesellschaft/Physical Chemistry Chemical Physics
88
12
DOI
出版ステータス出版済み - 1 1 1984

All Science Journal Classification (ASJC) codes

  • 化学工学(全般)

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