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The effect of lipids on transepidermal water permeation in snakes.
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The effect of lipids on transepidermal water permeation in snakes.

Author: RR Burken; PW Wertz; DT Downing
Edition/Format: Article Article : English
Publication:Comparative biochemistry and physiology. A, Comparative physiology, 1985; 81(2): 213-6
Database:From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
Summary:
Transepidermal water permeation was measured for the shed skin of 8 species of snakes under conditions where the skin formed an interface between liquid water and dry air. Extraction with chloroform: methanol removed lipids amounting to 4.9-8.7% of the dry weight of skin and increased transepidermal water permeation 35- to 175-fold. Initial extraction of snake skin with hexane removed only 25-35% of the total  Read more...
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Details

Document Type: Article
All Authors / Contributors: RR Burken; PW Wertz; DT Downing
ISSN:0300-9629
OCLC Number: 113488246
Language Note: English
Awards:

Abstract:

Transepidermal water permeation was measured for the shed skin of 8 species of snakes under conditions where the skin formed an interface between liquid water and dry air. Extraction with chloroform: methanol removed lipids amounting to 4.9-8.7% of the dry weight of skin and increased transepidermal water permeation 35- to 175-fold. Initial extraction of snake skin with hexane removed only 25-35% of the total extractable lipid but increased water permeation 3- to 10-fold. For totally delipidized skin, water-to-air permeation was much faster than air-to-air permeation, and was also faster than evaporation from a free water surface.

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