|
| Type | Lipophilic surfactant conc. [wt %]2 | Hydrophilic surfactant | Model drug | EE [%] |
| P1 | W/O/W | 5 | PVA | Theophylline | 19.7 |
| P2 | S/O/W | 5 | PVA | Theophylline | 54.2 |
| P3 | S/O/W | 3 | PVA | Theophylline | 22.1 |
| P4 | S/O/W | 10 | PVA | Theophylline | 53.2 |
| P5 | S/O/W | 5 | P-1670 | Theophylline | 37.1 |
| P6 | S/O/W | 5 | Cholic acid | Theophylline | 44.6 |
| P7 | S/O/W1 | 5 | PVA | Theophylline | 56.3 |
| P8 | S/O/W1 | 5 | Cholic acid | Theophylline | 45.0 |
| P9 | S/O/W1 | 5 | Cholic acid | Insulin | 72.4 |
| P10 | S/O/W1 | 5 | Cholic acid | Albumin | 87.1 |