Cysteamine Singlet oxygen

Roberts, J.E.; Kinley, J.S.; Young, A.R.; Jenkins, G.; Atherton, S.J.; Dillon, J.
Photochem. Photobiol. 53, 33-38 (1991)

Reaction: H₃N⁺CH₂CH₂S^- + ¹O₂^* ® products and/or physical quenching
Solvent: H₂O

k = 8.3 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 532 nm

Photosensitizer = 5,10,15,20-Tetrakis(4-sulfonatophenyl)porphine.

Di Mascio, P.; Devasagayam, T.P.A.; Kaiser, S.; Sies, H.
Biochem. Soc. Trans. 18, 1054-1056 (1990)

Reaction: H₃N⁺CH₂CH₂S^- + ¹O₂^* ® products and/or physical quenching
Solvent: CHCl₃, 50%, EtOH, 50%

k = 4.1 × 10⁷(L mol^-1 s^-1), T = 310K

Experimental method: Chemical reaction
Analytical method: infrared luminescence
Data type: Derived from steady state measurements

used solvent k_d = 1 × 10⁵ s^-1; ¹O₂* from NDPO₂.

Di Mascio, P.; Devasagayam, T.P.A.; Kaiser, S.; Sies, H.
Biochem. Soc. Trans. 18, 1054-1056 (1990)

Reaction: H₃N⁺CH₂CH₂S^- + ¹O₂^* ® products
Solvent: CHCl₃, 50%, EtOH, 50%

k_react = 1.1 × 10⁷(L mol^-1 s^-1), T = 310K

Experimental method: Chemical reaction
Analytical method: chemical analysis
Data type: Derived from steady state measurements

used solvent k_d = 1 × 10⁵ s^-1; ¹O₂* from NDPO₂.