| Issue |
Europhys. Lett.
Volume 37, Number 5, February II 1997
|
|
|---|---|---|
| Page(s) | 371 - 376 | |
| Section | Cross-disciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i1997-00543-x | |
| Published online | 01 September 2002 | |
Electrostatic adhesion between fluid membranes: phase separation and blistering
Biophysics Laboratory Physik-Department (E22), Technische Universität München, 85747 Garching, Germany
Received:
2
September
1996
Accepted:
6
January
1997
The electrostatically controlled adhesion of giant vesicles on supported membranes is studied by microinterferometry allowing quantitative evaluation of contact formation and surface profile near the contact area. Under suitable conditions the adhesion induced segregation of charged lipids in one of the membranes of contact zone. This leads to patches of tight contact and decoupled blisters, which are demonstrated for the first time. The stabilization of the pressurized blisters is rationalized in terms of counterion accumulation in the contact area ensuring charge neutrality.
PACS: 87.22.Bt – Membrane and subcellular physics and structure / 64.75.+g – Solubility, segregation, and mixing; phase separation
© EDP Sciences, 1997
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