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Table 1

Physical characterization of liposomal preparations.

Preparation Lipid composition Molar ratio Mean particle size (nm) Zeta potential (mV) Polydispersity index (PDI)
Blank liposomes PC:Chol 70:30 96 ± 5 −7 ± 1 0.26 ± 0.018
STPP liposomes PC:Chol:STPP 68:30:2 107 ± 4 28 ± 3 0.28 ± 0.002