Stability of inverse bicontinuous cubic phases in lipid-water mixtures

We investigate the stability of seven inverse bicontinuous cubic phases [ G, D, P, C(P), S, I−WP, F−RD] in lipid-water mixtures based on a curvature model of membranes. Lipid monolayers are described by parallel surfaces to triply periodic minimal surfaces. The phase behavior is determined by the di...

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Hauptverfasser: Schwarz, Ulrich S. (VerfasserIn) , Gompper, Gerhard (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 14 August 2000
In: Physical review letters
Year: 2000, Jahrgang: 85, Heft: 7, Pages: 1472-1475
ISSN:1079-7114
DOI:10.1103/PhysRevLett.85.1472
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.85.1472
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.85.1472
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Verfasserangaben:U.S. Schwarz and G. Gompper
Beschreibung
Zusammenfassung:We investigate the stability of seven inverse bicontinuous cubic phases [ G, D, P, C(P), S, I−WP, F−RD] in lipid-water mixtures based on a curvature model of membranes. Lipid monolayers are described by parallel surfaces to triply periodic minimal surfaces. The phase behavior is determined by the distribution of the Gaussian curvature on the minimal surface and the porosity of each structure. Only G, D, and P are found to be stable, and to coexist along a triple line. The calculated phase diagram agrees very well with experimental results for 2:1 lauric acid/DLPC.
Beschreibung:Gesehen am 18.12.2017
Beschreibung:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.85.1472