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Deuterium order parameters in relation to thermodynamic properties of a phospholiped bilayer : a statistical mechanical interpretation

Schindler, H. and Seelig, J.. (1975) Deuterium order parameters in relation to thermodynamic properties of a phospholiped bilayer : a statistical mechanical interpretation. Biochemistry, Vol. 14, H. 11. pp. 2283-2287.

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Official URL: http://edoc.unibas.ch/dok/A5257556

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Abstract

The physical properties of bilayers of dipalmitoyl-3-sn-phosphatidylcholine are analyzed in terms of a statistical model proposed by Marcelja (S. Marcelja (1974), Biochim. Biophys. Acta 367, 165). The model is used to calculate the segmental order parameters of the hydrocarbon chains, the transition temperature of the crystalline leads to liquid crystalline phase transition, the entropy change of the transition, the bilayer thickness, and the linear thermal expansion coefficient. The theoretical predictions are in excellent agreement with experimental results obtained by deuterium magnetic resonance, differential scanning calorimetry, and X-ray diffraction. The model yields the probabilities of trans and gauche conformations and also those of more specific conformational defects like kinks or jogs.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Biophysical Chemistry (Seelig J)
UniBasel Contributors:Seelig, Joachim
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Chemical Society
ISSN:0006-2960
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:20
Deposited On:22 Mar 2012 13:18

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