Introduction to Liposome Liposome was initially identified and described as swollen phospholipid systems, called Banghasomes, by British hematologist Alec D. Bangham, in 1961 at the Babraham Institute, University of Cambridge. Later, the structural description of liposomes was revealed as small systems constituting one or more closed phospholipid bilayers. The liposomal vesicles are considered as either