An in uiuo method of monitoring the rate of water desorption from human forearms, using "dry" nitrogen gas passed over approximately 1 cm2 of skin was investigated with the aid of a commercial electrolytic moisture analyzer. The assembled apparatus was used to evaluate the differences in water loss
Effect of surfactants on epidermal permeability in rabbits
β Scribed by Michael Mezei; Kevin J. Ryan
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 354 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0022-3549
No coin nor oath required. For personal study only.
β¦ Synopsis
The rate of water dcsorption of untreated and surfactant-treated depilated rabbit skin was determined to supplement previous data of surfactant-induced changes in biological membranes. The compounds applied were petrolatum USP alone (control) and petrolatum containing 10% polysorbate 85, 10% polyoxyethylene ether 96. or 10% sorbitan trioleate. Skin slices 0.4 mm. thick, were placed in a constant-temperature and constant-humidity chamber, and water-vapor loss was continuously recorded with an electric microhalance. The water desorption rate was invariably greater with surfactant-treated than with control skin. The results confirm earlier findings that the tested surfactants affect membrane structure, thereby probably increasing permeability.
Keyphrases 0 Surfactants-effect on epidermal permeability in rabbits. water desorption rates 0 Permeability. epidermal---effect of surfactants, rabbits 0 Skin permeability, rabbits-effect of surfactants, water desorption rates
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