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Selected examples of first, second and third generation PSs. PS, photosensitizer.
| First generation PSs | Second generation PSs | Third generation PSs |
|---|---|---|
| Porphyrin | Benzoporphyrin | Antibody conjugates |
| Hematoporphyrin | 5-Aminolevulinic acid | Encapsulated agents into carriers (e.g. liposomes, micelles, nanoparticles) |
| Protoporphyrin IX | ||
| Phthalocyanine | ||
| Chlorin |
