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Eur Biophys J. 1992;21(4):251-5.

The elastic deformability of closed multilayered membranes is the same as that of a bilayer membrane.

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Institute of Biophysics, Medical Faculty, University of Ljubljana, Slovenia.


The elastic behavior of closed multilayered membranes is analyzed with the assumption that the constituent layers are in close contact but are unconnected in the sense that they are free to slide by one another. The system exhibits three independent elastic deformation modes for any number of the constituent layers equal to or larger than two. These are the area expansivity of the membrane neutral surface, and the local and non-local membrane bending. The corresponding elastic moduli are expressed in terms of the elastic moduli of the constituent layers, their areas, and distances between their neutral surfaces. Closed multilayered membranes only differ from a closed bilayer membrane in that for any of their shapes some of the constituent layers are expanded and some compressed.

[Indexed for MEDLINE]

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