Liposomes Group 4: Dezron, Jack, Vijay What are liposomes? • Liposomes are vesicles that contain aqueous solution (a solution in which the solvent is water) surrounded by a phospholipid bilayer membrane. Structure of Liposomes Usage of Liposomes • Liposomes are used to protect drugs or active substances taken orally from being destroyed by gastric juices. This way, drugs can reach the target cells. Transportation of Drugs