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. 1984 May;81(10):3249-53.
doi: 10.1073/pnas.81.10.3249.

Periodic structures in lipid monolayer phase transitions

H M McConnell  1 , L K Tamm, R M Weis
Affiliations

Periodic structures in lipid monolayer phase transitions

H M McConnell et al. Proc Natl Acad Sci U S A. 1984 May.

Abstract

Periodic patterns are observed when supported lipid monolayers doped with low concentrations of fluorescent lipid probes are observed with epi-fluorescence microscopy. Monolayers of dipalmitoyl phosphatidylcholine were examined on air-water interfaces and also on alkylated glass coverslips. The patterns are formed by periodic arrays of solid-phase lipid domains in equilibrium with fluid-phase lipid under specified conditions of temperature and two-dimensional lipid pressure. Electrostatic forces may stabilize the periodic ordering of the solid domains.

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