| PDT | Photodynamic therapy |
| PS | Photosensitizer |
| 1O2 | Singlet oxygen |
| 5-ALA | 5-aminolevulinic acid |
| DPPH | 1,1-diphenyl-2-picrylhydrazyl |
| DPBF | 1,3-diphenylisobenzofuran |
| CFU | Colony forming units |
| SEM | Scanning electron microscopy |
| FT-IR | Fourier transform infrared |
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