Document Detail


Infrared spectroscopy and differential scanning calorimetry studies of binary combinations of cis-6-octadecenoic acid and octadecanoic acid.
MedLine Citation:
PMID:  17697674     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fourier transform infrared (FTIR) spectroscopy and differential scanning calorimetry (DSC) studies are reported for combinations of cis-6-octadecenoic acid (also termed petroselinic acid, PSA) and octadecanoic acid (also termed stearic acid, SA) across a wide range of binary mole ratio combinations. The data are then used to plot the phase diagram which is found to be montotectic with the PSA reducing the melting temperature of SA at all compositions. The relevance of these experiments to stratum corneum (SC) biophysical behavior, particularly the influence and potential mechanisms of PSA on dermal permeation, is discussed. The potential role of cis-6-octadecenoic acid as a permeation enhancer is discussed in the context of these studies of its interaction with saturated fatty acids.
Authors:
David J Moore; Donald Koelmel; Donna Laura; Eilidh Bedford
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Publication Detail:
Type:  Journal Article     Date:  2007-06-26
Journal Detail:
Title:  Chemistry and physics of lipids     Volume:  150     ISSN:  0009-3084     ISO Abbreviation:  Chem. Phys. Lipids     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-10-15     Completed Date:  2007-12-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0067206     Medline TA:  Chem Phys Lipids     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  109-15     Citation Subset:  IM    
Affiliation:
ISP, 1361 Alps Road, Wayne, NJ 07470, USA. djmoore@ispcorp.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Calorimetry, Differential Scanning
Humans
Models, Biological
Permeability
Phase Transition*
Skin / chemistry*,  metabolism
Spectrophotometry, Infrared
Stearic Acids / chemistry*
Temperature
Chemical
Reg. No./Substance:
0/Stearic Acids; 57-11-4/stearic acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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