Physical properties of NPs with and without drug.
| Nanoparticles | Janus | Mixed | ||
|---|---|---|---|---|
| Without drug | With drug | Without drug | With drug | |
| Drug/nanoparticle in feed (%) | — | 10 | — | 10 |
| Drug loading (%) | — | 6.5 | — | 7.9 |
| Encapsulation efficiency (%) | — | 72.3 | — | 86.9 |
| Size (nm) | 175 ± 4.6 | 179.9 ± 3.58 | 152 ± 3.36 | 161 ± 5.08 |
| PDI | 0.55 | 0.42 | 0.24 ± 0.04 | 0.31 ± 0.04 |
| Zeta potential | +15.1 | +19 | +17 ± 0.80 | +22.5 ± 1.04 |