Stickiness of giant vesicles, visible under the light microscope, can be promoted or prevented (see figure) by substances such as poly-L-lysine (cationic), polyvinylpyrrolidone (nonionic; yellow), and heparin (anionic; blue). In one particular system, adhesion was time-dependent owing to exchange of components by a pair of electrostatically adhered vesicles.
No takes yet. Share an insight, caveat, or question.
Menger et al. (2002) studied this question.