Influence of membrane-solvent-solute interactions on solute permeation in skin

被引：51

作者：

Dias, M. ^{[1
]}

Hadgraft, J. ^{[1
]}

Lane, M. E. ^{[1
]}

机构：

[1] Univ London, Sch Pharm, Dept Pharmaceut, London WC1N 1AX, England

来源：

INTERNATIONAL JOURNAL OF PHARMACEUTICS | 2007年 / 340卷 / 1-2期

关键词：

solubility parameter; skin; vehicle; flux;

D O I：

10.1016/j.ijpharm.2007.03.030

中图分类号：

R9 [药学];

学科分类号：

1007 ;

摘要：

The relative importance of solubility parameters and other solvent properties on membrane diffusion processes has not been fully elucidated in the literature. Previously, we have studied the effect of different vehicles on the permeation of caffeine, benzoic acid (BA) and salicylic acid (SA) through silicone membranes. The present paper investigates diffusion of the selected permeants from different saturated solutions through human epidermis. The permeation of caffeine was strongly affected by the vehicle chosen and the maximum enhancement observed for the permeation of caffeine was 288-fold. A maximum of 12-fold enhancement in the flux was observed for the permeation of SA and a maximum of 10-fold enhancement was observed for the permeation of BA. The diffusion profiles obtained for SA in the different solvents were very similar when compared with those obtained for BA but the permeation rates were higher for BA than for SA. This similarity results from the similar chemical structure and lipophilicity. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：65 / 70

页数：6

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