| MSNs | mesoporous silica nanoparticles |
| RhB | rhodamine B |
| MB | methylene blue |
| MV | methyl violet |
| MG | malachite green |
| BF | basic fuchsin |
| AF | acid fuchsin |
| MO | methyl orange |
| CR | congo red |
| CTAB | cetyltrimethyl ammonium bromide |
| TEOS | tetraethyl orthosilicate |
| THEED | N,N,N,N-Tetrakis (2-hydroxyethyl)ethylenediamine |
| SEM | scanning electron microscopy |
| TEM | transmission electron microscopy |
| FT-IR | Fourier-transform infrared |
| BET | Brunauer-Emmett-Teller |
| DFT | Density functional theory |
| R2 | correlation coefficients |
| pHpzc | point of zero charge |