Table II.
The Mean Diameter Particle Size and Polydispersity of Rifampicin-Loaded mPEG–DSPE Nanoparticles
| Formula code | Copolymer type | Filter porosity (μm) | Rifampicin conc. (mg/ml) | Drug/copolymer weight ratio (w/w) | Mean diameter (nm) | Polydispersity |
|---|---|---|---|---|---|---|
| F2 | mPEG2000–DSPE | 0.45 | 0.2 | (1:5) | 235.73 ± 84 | 0.73 ± 0.05 |
| F3 | mPEG2000–DSPE | 0.45 | 0.2 | (1:10) | 258.06 ± 74 | 0.86 ± 0.13 |
| F4 | mPEG2000–DSPE | 0.45 | 0.3 | (1.5:10) | 395.63 ± 14 | 0.55 ± 0.05 |
| F5 | mPEG2000–DSPE | 0.22 | 0.2 | (1:5) | 225.70 ± 3.8 | 0.55 ± 0.06 |
| F6 | mPEG2000–DSPE | 0.22 | 0.2 | (1:10) | 247.53 ± 24 | 0.54 ± 0.05 |
| F7 | mPEG2000–DSPE | 0.22 | 0.3 | (1.5:10) | 318.06 ± 11 | 0.55 ± 0.06 |
| F8 | mPEG5000–DSPE | 0.45 | 0.2 | (1:5) | 210.66 ± 13 | 0.48 ± 0.05 |
| F9 | mPEG5000–DSPE | 0.45 | 0.2 | (1:10) | 231.63 ± 4.3 | 0.57 ± 0.10 |
| F10 | mPEG5000–DSPE | 0.45 | 0.3 | (1.5:10) | 232.56 ± 7.1 | 0.61 ± 0.01 |
| F11 | mPEG5000–DSPE | 0.22 | 0.2 | (1:5) | 162.96 ± 36 | 0.60 ± 0.05 |
| F12 | mPEG5000–DSPE | 0.22 | 0.2 | (1:10) | 186.23 ± 19 | 0.63 ± 0.06 |
| F13 | mPEG5000–DSPE | 0.22 | 0.3 | (1.5:10) | 194.03 ± 10 | 0.62 ± 0.02 |
Mean ± SD; N = 3