Interaction of supramolecular assembly with hairless rat stratum corneum

被引:22
作者
Kamimura, W [1 ]
Ooya, T [1 ]
Yui, N [1 ]
机构
[1] JAPAN ADV INST SCI & TECHNOL, SCH MAT SCI, TATSUNOKUCHI, ISHIKAWA 92312, JAPAN
关键词
supramolecular assembly; polyrotaxane; stratum corneum; bound water; penetration enhancers;
D O I
10.1016/S0168-3659(96)01530-1
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Polyrotaxanes are well known as a supramolecular assembly in which many cyclic compounds are threaded onto a linear polymeric chain capped with bulky end-groups. In this paper, a polyrotaxane consisting of alpha-CDs and PEG capped with biodegradable peptide moieties was synthesized, and the interaction with stratum corneum of hairless rat skin was examined by means of a differential scanning calorimetry. The hydroxypropylated polyrotaxane was found to interact with lipid components in the stratum corneum: bound water content was significantly decreased although ordered lipid bilayers were maintained. Thus, it is suggested that our designed polyrotaxane can be feasible as novel candidates for transdermal penetration enhancers.
引用
收藏
页码:295 / 299
页数:5
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