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Effect of an Electric Field on a Floating Bilayer: A Neutron Reflectivity Study

Lecuyer, S.; Fragneto, G. and Charitat, T.

Sunday 20 July 2008, by mcube members

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.