| CNS | Central Nervous System |
| ELS | Electrophoretic light scattering |
| DLS | Dynamic light scattering |
| PC | L-α-phosphatidylcholine |
| BA | Barbituric acid |
| PF | Perphenazine |
| δ | Surface charge density |
| µ | Electrophoretic mobility |
| IEP | Isoelectric point |
| PDI | Polydispersity index |