Abstract
The adhesion of lipid vesicles to a rigid flat surface is investigated. We examine the influence of the membrane spontaneous curvature, adhesion strength, and the reduced volume on the stability and shape transformations of adhered vesicles. The minimal strength of the adhesion necessary to stabilize the shapes of adhered vesicles belonging to different shape classes is determined. It is shown that the budding of an adhered vesicle may be induced by the change of the adhesion strength. The importance of the free vesicle shape for its susceptibility to adhesion is discussed.
Highlights
The adhesion of biological cells and vesicles is ubiquitous in nature
We examine the influence of the membrane spontaneous curvature, adhesion strength, and the reduced volume on the stability and shape transformations of adhered vesicles
We focus on the shape transformations of lipid vesicles caused by their adhesion to a flat and rigid substrate
Summary
The adhesion of biological cells and vesicles is ubiquitous in nature. It occurs during endo- and exocytosis, when cells communicate with their environment. We examine the influence of the membrane spontaneous curvature, adhesion strength, and the reduced volume on the stability and shape transformations of adhered vesicles.
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