| Issue |
EPL
Volume 97, Number 6, March 2012
|
|
|---|---|---|
| Article Number | 68008 | |
| Number of page(s) | 5 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/97/68008 | |
| Published online | 22 March 2012 | |
Morphogenesis of membrane invaginations in spherical confinement
1
Equipe BioPhysStat, ICPMB-FR CNRS 2843, Université de Lorraine - 1, boulevard Arago, F-57070 Metz, France, EU
2
Computational Physics for Engineering Materials, ETH Zurich - Schafmattstr. 6, HIF, CH-8093 Zurich, Switzerland
Received:
12
January
2012
Accepted:
20
February
2012
We study the morphology of a fluid membrane in spherical confinement. When the area of the membrane is slightly larger than the area of the outer container, a single axisymmetric invagination is observed. For higher area, self-contact occurs: the invagination breaks symmetry and deforms into an ellipsoid-like shape connected to its outer part via a small slit. For even higher areas, a second invagination forms inside the original invagination. The folding patterns observed could constitute basic building blocks in the morphogenesis of biological tissues and organelles.
PACS: 87.16.D- – Membranes, bilayers, and vesicles / 87.10.Pq – Elasticity theory
© EPLA, 2012
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