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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1981-6-13
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pubmed:abstractText |
In order to clarify, in dipalmitoyl phosphatidylcholine multilayers, the effect of the 34 degrees C thermal pretransition on the acyl chain intramolecular disordering process, Raman spectra of dipalmitoyl phosphatidylcholine gels at 20 and 34 degrees C were compared in the 1000--1200 cm-1 skeletal C-C stretching region. In addition to an overall intensity decrease associated with a change in chain packing characteristics, the growth of intensity in the 1080--1090 and 1122 cm-1 regions in the 34--20 degrees C) difference spectrum clearly indicates that the thermal pretransition is accompanied by an increase in the population of hydrocarbon chain gauche rotamers toward the center of the bilayer.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0006-3002
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
6
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pubmed:volume |
640
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
760-6
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pubmed:dateRevised |
2000-12-18
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pubmed:meshHeading |
pubmed-meshheading:6894246-Isomerism,
pubmed-meshheading:6894246-Kinetics,
pubmed-meshheading:6894246-Lipid Bilayers,
pubmed-meshheading:6894246-Molecular Conformation,
pubmed-meshheading:6894246-Pulmonary Surfactants,
pubmed-meshheading:6894246-Spectrum Analysis, Raman,
pubmed-meshheading:6894246-Temperature
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pubmed:year |
1981
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pubmed:articleTitle |
Evidence for acyl chain trans/gauche isomerization during the thermal pretransition of dipalmitoyl phosphatidylcholine bilayer dispersions.
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pubmed:publicationType |
Journal Article
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