| FSNMN-C | Abbreviation of hyperbranched cationic polymer with nano ferric oxide core |
| FSNMN | Abbreviation of hyperbranched polymer with nano Fe3O4 core |
| CAMHA | Cationic polymer synthesized by acrylamide, acryloxyethyl trimethylammonium chloride and maleic anhydride |
| TEOS | Tetraethyl silicate |
| APTES | γ-Aminopropyltriethoxysilane |