Liposomes: A Novel Drug Delivery System

Abstract

Liposomes derived from two Greek words:Lipo(FAT) and soma(BODY).It is so named because of its composition is primarily of phopholipid.Liposomes are microparticulate lipoidal vesicales which are under extensive investigation as drug carriers for improving the drug delivery of therapeutic agents,relatively composed of biocompatible and bio degradable materials,and they consists of an aqueous volume entrapped by one or more bilayers of natural or synthetic lipids.A liposome is a spherical veicle having at least one lipid bilayer.the liposomes can be used as a vehicle for administration of nutrients and pharmaceutical drugs.liposomes can be prepared by disrupting biological membranes(such as by sonication).Size range:25-5000nm.

Keywords: liposome, drug delievery, novel

JEL Classification: 02