Figure 7

SEM observation of retained liposomes on G-25 fine beads. A : Sephadex beads non incubated with liposomes, fixed with glutaraldehyde, washed, stained and prepared for SEM. B, C, D: Liposomes, containing PC and PE (6/4), retained by a 2 mL sephadex G-25 fine columns were fixed by glutaraldehyde, washed, stained and prepared for SEM observations.