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The European Physical Journal E

, Volume 21, Issue 2, pp 153–159 | Cite as

Effect of an electric field on a floating lipid bilayer: A neutron reflectivity study

  • S. Lecuyer
  • G. Fragneto
  • T. Charitat
Regular Article

Abstract.

We present here a neutron reflectivity study of the influence of an alternative electric field on a supported phospholipid double bilayer. We report for the first time a reproducible increase of the fluctuation amplitude leading to the complete unbinding of the floating bilayer. Results are in good agreement with a semi-quantitative interpretation in terms of negative electrostatic surface tension.

PACS.

87.16.Dg Membranes, bilayers, and vesicles 87.15.Ya Fluctuations 61.12.Ha Neutron reflectometry 

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Copyright information

© EDP Sciences, Società Italiana di Fisica and Springer-Verlag 2006

Authors and Affiliations

  1. 1.Institut Charles Sadron, UPR 22CNRS-Université Louis PasteurStrasbourg CedexFrance
  2. 2.Institut Laue-LangevinGrenoble CedexFrance

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