4-Thiouridine Singlet oxygen

Rougee, M.; Bensasson, R.V.
C.R. Seances Acad. Sci., Ser. II 302, 1223-1226 (1986)

Reaction: 4-Thiouridine + ¹O₂^* ® products and/or physical quenching
Solvent: D₂O

k = 1.2 × 10⁶(L mol^-1 s^-1), pH ~7, T = 293K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 530 nm

Photosensitizer = 5,10,15,20-Tetrakis(4-sulfonatophenyl)porphine. Added solute 0.2-1.4 × 10^-2.