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Side views of a (a) polystyrene bead of radius Rb = 45 μm, (b) vesicle of radius R = 67 μm, (c) vesicle of radius R = 22 μm. On the figure (c), Σ and L are the surface area and the contour length of half of the vesicle projection onto its meridian plane respectively, rΣ and rL are the distances of the centers of mass of the surface and the contour from the vertical symmetry axis.
