Elastic moderation of intrinsically applied tension in lipid membranes

Details Elastic moderation of intrinsically applied tension in lipid membranes Elastic moderation of intrinsically applied tension in lipid membranes

2010-10-20

arxiv.org/abs/1010.4181v1

Phys. Rev. E 83, 011913 (2011)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, REVTeX

Scientific paper

Tension in lipid membranes is often controlled externally, by pulling on the boundary of the membrane or changing osmotic pressure across a curved membrane. But modifications of the tension can also be induced in an internal fashion, for instance as a byproduct of changing a membranes electric potential or, as observed experimentally, by activity of membrane proteins. Here we develop a theory which demonstrate how such internal contributions to the tension are moderated through elastic stretching of the membrane when the membrane is initially in a low tension floppy state.

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