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Direct X-Ray Study of the Molecular Tilt in Dipalmitoy Lecithin Bilayers

  • M. Hentschel
  • R. Hosemann
  • W. Helfrich
Conference paper
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 11)

Abstract

Well-ordered multilayer systems of dipalmitoyl lecithin and water containing enough material for X-ray diffraction were prepared. They consisted of 100 subsystems alternating with mylar films, each film and subsystem being 5 μm thick. The tilt of the hydrocarbon chains away from the layer normal was measured in the water-saturated gel phase (LA) as a function of temperature. The angle varied between 15° and 8° with the maximum at 10°C. The tilt was directed along one of the basic vectors of the quasihexagonal lattice of the hydrocarbon chains.

Keywords

Liquid Crystal Basic Vector Hydrocarbon Chain Hexagonal Lattice Multilayer System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer-Verlag Berlin Heidelberg 1980

Authors and Affiliations

  • M. Hentschel
    • 1
    • 2
  • R. Hosemann
    • 1
  • W. Helfrich
    • 2
  1. 1.Fritz-Haber-Institut der MPGTeilinstitut für StrukturforschungBerlin 33Germany
  2. 2.WE IB, FB PhysikFreie Universität BerlinBerlin 33Germany

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