| 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 |