Table 1. Size and ζ-Potential of the Three Different Kinds of Liposomesa.
| samples | size (nm) | PDI | ζ-potential (mV) |
|---|---|---|---|
| LP (pH 2.5) | 307.1 ± 24.2 | 0.36 ± 0.06 | –19.15 ± 7.70 |
| LP (pH 5.0) | 339.5 ± 31.8 | 0.38 ± 0.06 | –21.15 ± 2.62 |
| LP (pH 7.4) | 278.2 ± 28.1 | 0.33 ± 0.08 | –9.43 ± 0.66 |
Data are presented as mean ± s.d. (n = 3).