| Issue |
Europhys. Lett.
Volume 67, Number 2, July 2004
|
|
|---|---|---|
| Page(s) | 314 - 320 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2004-10068-x | |
| Published online | 01 July 2004 | |
Electrostatic colloid-membrane binding
1
Fachbereich Physik, Universität Konstanz - Universitätsstr. 10 78457 Konstanz, Germany
2
Sektion Physik, LMU Munich - Theresienstrasse 37, 80333 Munich, Germany
Received:
5
January
2004
Accepted:
12
May
2004
We investigate the adsorption of a charged spherical colloid on an oppositely charged flexible membrane. The long-ranged character of the electrostatic interaction leads to a re-entrant unwrapping of the membrane from the sphere: only for intermediate salt concentration and colloid sizes do we find full wrapping. We derive simple scaling relations for the wrapping transitions, which agree well with results obtained by numerically minimizing the free energy with respect to the membrane shape.
PACS: 87.16.Dg – Membranes, bilayers, and vesicles / 87.15.Kg – Molecular interactions; membrane-protein interactions / 87.15.Aa – Theory and modeling; computer simulation
© EDP Sciences, 2004
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