Pseudocritical Behavior and Unbinding of Phospholipid Bilayers

Jesper Lemmich; Kell Mortensen; John Hjorth Ipsen; Thomas Hønger Callisen; Rogert Bauer; Ole G. Mouritsen

doi:10.1103/PhysRevLett.75.3958

Pseudocritical Behavior and Unbinding of Phospholipid Bilayers

Jesper Lemmich, Kell Mortensen, John Hjorth Ipsen, Thomas Hønger Callisen, Rogert Bauer, Ole G. Mouritsen

Department of Chemistry

University of Copenhagen

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Abstract

The temperature dependence of the small-angle neutron scattering from fully hydrated multilamellar phospholipid bilayers near the main phase transition is analyzed by means of a simple geometric model which yields both the lamellar repeat distance as well as the hydrophobic thickness of the bilayer and the interlamellar aqueous spacing. The results for two different lipids show that the lamellar repeat distance displays pseudocritical behavior with a value of the exponent that is in accordance with the theory for critical unbinding transitions of interacting membranes.

Original language	English
Journal	Physical Review Letters
Volume	75
Issue number	21
Pages (from-to)	3958-3961
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.75.3958
Publication status	Published - 1995

Bibliographical note

Copyright (1995) American Physical Society.

Keywords

MEMBRANES
SCATTERING
AREA
: X-RAY
FLUID

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abstract = "The temperature dependence of the small-angle neutron scattering from fully hydrated multilamellar phospholipid bilayers near the main phase transition is analyzed by means of a simple geometric model which yields both the lamellar repeat distance as well as the hydrophobic thickness of the bilayer and the interlamellar aqueous spacing. The results for two different lipids show that the lamellar repeat distance displays pseudocritical behavior with a value of the exponent that is in accordance with the theory for critical unbinding transitions of interacting membranes.",

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AU - Mortensen, Kell

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AU - Bauer, Rogert

AU - Mouritsen, Ole G.

PY - 1995

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AB - The temperature dependence of the small-angle neutron scattering from fully hydrated multilamellar phospholipid bilayers near the main phase transition is analyzed by means of a simple geometric model which yields both the lamellar repeat distance as well as the hydrophobic thickness of the bilayer and the interlamellar aqueous spacing. The results for two different lipids show that the lamellar repeat distance displays pseudocritical behavior with a value of the exponent that is in accordance with the theory for critical unbinding transitions of interacting membranes.

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KW - FLUID

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Pseudocritical Behavior and Unbinding of Phospholipid Bilayers

Abstract

Bibliographical note

Keywords

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