A cyst may be a spherical sac having a minimum of one supermolecule bilayer. The cyst are often used as a vehicle for administration of nutrients and pharmaceutical medication. Liposomes are often ready by disrupting biological membranes (such as by sonication). Liposomes ar most frequently composed of phospholipids, particularly phosphatidylcholine, however might also embrace different lipids, like egg phosphatidylethanolamine, goodbye as they're compatible with supermolecule bilayer structure.A cyst style could use surface ligands for attaching to unhealthy tissue. The major forms of liposomes ar the multilamellar sac (MLV, with many lamellar part supermolecule bilayers), the tiny unilamellar cyst sac (SUV, with one supermolecule bilayer), the massive unilamellar sac (LUV), and also the cochleate sac. A less fascinating kind ar multivesicular liposomes during which one sac contains one or additional smaller vesicles.