Research Article

Preparation, Physicochemical Characterization, and Cell Viability Evaluation of Long-Circulating and pH-Sensitive Liposomes Containing Ursolic Acid

Table 2

Distribution of vesicle diameter (%) for SpHL 20UA1a.

Mean diameter (nm)Distribution of vesicle diameter (%)
≤100 nm≤300 nm300–500 nm≥500 nm

191.1 ± 6.472.4 ± 14.788.4 ± 7.37.1 ± 4.74.4 ± 2.6

Each value represents the mean ± S.D ( ).