| BMPR2 | Bone morphogenetic protein type 2 receptor |
| CITDAS | Copley inhaler testing data analysis software |
| CV% | Coefficient of variation |
| DOE | Design of experiments |
| DLS | Dynamic light scattering. |
| DPPC | 1,2-dipalmitoyl-sn-glycero-3-phosphocholine |
| DPPG, sodium salt | 1,2-Dipalmitoyl-sn-glycerol-3-phosphate-rac-(1-glycerol) |
| D/L | Drug-to-lipid molar ratio |
| EF | Emitted fraction |
| EGCG | (-)-Epigallocatechin gallate |
| FDA | Food and Drug Administration |
| FPF | Fine particle fraction |
| GSD | Geometric standard deviation |
| HPLC | High-performance liquid chromatography |
| MCT | Monocrotaline |
| MMAD | Mass median aerodynamic diameter |
| MOC | Micro-orifice collector |
| NGI | Next-generation impactor |
| PAH | Pulmonary arterial hypertension |
| PBS | Phosphate-buffered saline |
| PDI | Polydispersity index |
| qPCR | Quantitative polymerase chain reaction |
| R2 | Coefficient of determination |
| TEM | Transmission electron microscopy |
| TGF-β | Transforming growth factor β |
| 2FI | Two-factor model interaction model |