A low-temperature structural phase transition in aqueous dimyristoyl phosphatidylcholine bilayers observed by Raman scattering

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DOIResolve DOI: http://doi.org/10.1139/v82-305
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TypeArticle
Journal titleCanadian Journal of Chemistry
ISSN0008-4042
1480-3291
Volume60
Issue16
Pages21372140
AbstractA new structural phase change at −60 °C and atmospheric pressure was observed in the gel phase of aqueous DMPC dispersions. This gel–gel phase transition exhibits first-order characteristics and is equivalent to the phase transition observed at 2.6 kbar and 30 °C. The decrease in temperature has analogous effects on the ordering of the acyl chains in DMPC as has the increase in pressure. The rigid interchain reorientational fluctuations in the gel phase are gradually damped with decreasing temperature and below −60 °C the interchain orientation becomes highly ordered.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
NPARC number23001398
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Record identifier8483122e-7cc5-4a7c-b267-c312dcaee4ca
Record created2017-02-02
Record modified2017-02-02
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