Histamine Singlet oxygen

Kraljic, I.; Sharpatyi, V.A.
Photochem. Photobiol. 28, 583-586 (1978)

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

k = 2.8 × 10⁷(L mol^-1 s^-1), pH = 7.1, T = 298K

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method

Photosensitizer = Phenosafranine; Quencher = Azide ion, k_q = 2 × 10⁸ L moL^-1 s^-1. Use Azide ion as quencher.

Usui, Y.; Tsukada, M.; Nakamura, H.
Bull. Chem. Soc. Jpn. 51, 379-384 (1978)

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

k = 2.0 × 10⁸(L mol^-1 s^-1), T = 298K

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements

Photosensitizer = Methylene Blue; used solvent k_d = 5.0 × 10⁵ s^-1.