Hypericin Singlet oxygen

Ghetti, F.; Checcucci, G.; Lenci, F.; Heelis, P.F.
J. Photochem. Photobiol., B 13, 315-321 (1992)

Reaction: Hypericin + ¹O₂^* ® products and/or physical quenching
Solvent: Ethanol

k = 5.0 × 10⁹(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Riboflavine tetrabutyrate.