| UVB | Ultraviolet B |
| UVI | UV Index |
| AgNPs | Silver nanoparticles |
| TiO2 | Titanium dioxide |
| ZnO | Zinc oxide |
| ROS | Reactive oxygen species |
| TNF–α | Tumor necrosis factor–α |
| IL-1β | Interleukin-1β |
| MED | minimal erythema dose |
| TUNEL | Terminal deoxynucleotidyl transferase dUTP nick end labeling |
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