| NMs | Nanomaterials |
| NPs | Nanoparticles |
| p-NP | Para-nitrophenol |
| p-AP | Para-aminophenol |
| VB, CB | Valence band, conduction band |
| MB | Methylene blue |
| ROS | Reactive oxygen species |
| AgNPs@CP | Silver nanoparticles @ cellulose polymer |
| AuNPs | Gold nanoparticles |
| A.S | Aspergillus sp. |
| (NiFe2O4)/poly(aniline-co-o-toluidine) | Nickel ferrite/poly(aniline-co-o-toluidine) |
| ZnO; NiO | Zinc oxide; nickel oxide |
| MNPs | Metal nanoparticles |
| SDG’s | Sustainable Development Goals |
| PdNPs | Palladium nanoparticles |
| AgNPs | Silver nanoparticles |
| CDs | Carbon dots |