| GI | gastrointestinal (tract, lumen) |
| LNCs | lipid nanocapsules |
| LNs | lipid nanoparticles |
| LPHNs | lipid–polymeric hybrid nanoparticles |
| LPNs | Lipid–polymeric nanoparticles |
| NABDs | nucleic acid-based drugs |
| NCLs | nanostructured lipid carriers |
| NEs | nanoerithrocytes |
| NP | nanoparticle |
| MTT | 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide |
| PNs | lipid nanoparticles |
| RBCs | red blood cells |
| RBC-MCNs | rbc-membrane-camouflaged nanocarriers |
| RES | reticuloendothelial system |
| siRNA | short interfering RNA |
| SLNs | solid lipid nanoparticles |
| SMSLNs | surface-modified solid lipid nanoparticles |