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Droplet-induced budding transitions of membranes

Kusumaatmaja, H.; Lipowsky, R.

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R. Lipowsky


Motivated by recent experiments on biomimetic membranes exposed to several aqueous phases, we theoretically study the morphology of a membrane in contact with a liquid droplet formed via aqueous phase separation. We concentrate on membranes with negligible spontaneous curvature. At small droplet volumes, bending energy dominates and the droplet is only partially wrapped by the membrane. At large volumes, this configuration can become unstable and undergo a discontinuous transition to a state in which the droplet is (almost) completely wrapped by the membrane. A morphology diagram, showing the parameter region where such budding transition occurs, is constructed as a function of the membrane tension and the intrinsic contact angle of the liquid with the membrane. The effects of spontaneous curvature are discussed qualitatively.


Kusumaatmaja, H., & Lipowsky, R. (2011). Droplet-induced budding transitions of membranes. Soft Matter, 7(15), 6914-6919.

Journal Article Type Article
Publication Date Aug 7, 2011
Deposit Date May 22, 2013
Publicly Available Date Apr 24, 2014
Journal Soft Matter
Print ISSN 1744-683X
Electronic ISSN 1744-6848
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 7
Issue 15
Pages 6914-6919


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