De pegylerede liposomer har også en lav- permeabel lipidmatrix og et internt vandigt buffersystem, der sammen holder doxorubicinhydrochlorid indkapslet under liposomets tilstedeværelse i blodbanen.
The pegylated liposomes also have a low permeability lipid matrix and internal aqueous buffer system that combine to keep doxorubicin hydrochloride encapsulated during liposome residence time in circulation.