Measurement of the curvature-elastic modulus of egg lecithin bilayers |
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| Authors: | RM Servuss V Harbich W Helfrich |
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| Institution: | 1. Institut für Atom und Festkörperphysik, Freie Universitat, Königin Luise-Str. 28–30, D 1000 Berlin 33 Germany;2. Institut für Theoretische Physik, Freie Universität, Arnimallee 3, D 1000 Berlin 33 Germany |
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| Abstract: | The first determination of the curvature-elastic modulus k of a bilayer is presented. The method is based on the microscopic study of thermally fluctuating bilayer tubes. For egg lecithin at room temperature we obtain k = (2.3 ± 0.3) · 10−12erg. |
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