| UHPLC-ESI-MS/MS | Ultrahigh-performance liquid chromatography-electrospray ionization-mass spectrometry |
| SD | Standard deviation |
| NLME | Nonlinear mixed effects model |
| AIC | Akaike information criterion |
| SC | Schwarz criterion |
| WRSS | Weighted residual sum of squares |
| IIV | Interindividual variability |
| OFV | Objective function value |
| SE | Standard error |
| RSE | Relative standard error |
| MRT | Mean residence time |
| AUMC | Area under the first moment curve |
| SEM | Scanning electron microscopy |
| TEM | Transmission electron microscopy |
| RES | Reticuloendothelial system |