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Confined bilayers passively regulate shape and stress

Staykova, M.; Arroyo, M.; Rahimi, M.; Stone, H.A.

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M. Arroyo

M. Rahimi

H.A. Stone


Lipid membranes are commonly confined to adjacent subcellular structures or to artificial substrates and particles. We develop an experimental and theoretical framework to investigate the mechanics of confined membranes, including the influence of adhesion, strain, and osmotic pressure. We find that supported lipid bilayers respond to stress by nucleating and evolving spherical and tubular protrusions. In cells, such transformations are generally attributed to proteins. Our results offer insights into the mechanics of cell membranes and can further extend the applications of supported bilayers.


Staykova, M., Arroyo, M., Rahimi, M., & Stone, H. (2013). Confined bilayers passively regulate shape and stress. Physical Review Letters, 110(2), Article 028101.

Journal Article Type Article
Publication Date Jan 1, 2013
Deposit Date Sep 3, 2013
Publicly Available Date Jul 11, 2014
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 110
Issue 2
Article Number 028101


Published Journal Article (794 Kb)

Copyright Statement
Reprinted with permission from the American Physical Society: Phys. Rev. Lett. 110, 028101 © (2013) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.

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