Table 1. Physicochemical Characteristics of Liposomal Formulations.
liposomes | sizea (nm) | PDIb | ζc (mV) | HA:lipidd (μg/μmol) |
---|---|---|---|---|
plain | 117 ± 4 | 0.288 | –38.5 ± 1 | NA |
5–8 kDa HA | 125 ± 2 | 0.130 | –50.1 ± 2 | 34.4 |
50–60 kDa HA | 120 ± 2 | 0.091 | –49.7 ± 5 | 22.3 |
175–350 kDa HA | 120 ± 3 | 0.090 | –52.3 ± 4 | 20.0 |
PEG-175–350 kDa HA | 121 ± 1 | 0.213 | –9.23 ± 3 | 18.5 |
mPEG-5000 | 113 ± 2 | 0.112 | –6.6 ± 0.3 | NA |
Measured by dynamic light scattering.
Polydispersity index.
HA contents were measured by CTAB precipitation assay.