Bacteriochlorophyll b Singlet oxygen

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310, 6-10 (1990)

Reaction: Bacteriochlorophyll b + ¹O₂^* ® products and/or physical quenching
Solvent: Diethyl ether

k = 5.8 × 10⁸(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 337.1 nm

Self-sensitized.

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310, 6-10 (1990)

Reaction: Bacteriochlorophyll b + ¹O₂^* ® products and/or physical quenching
Solvent: Pyridine

k = 1 × 10⁹(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 337.1 nm

Self-sensitized.

Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovsky, A.A.
Dokl. Biophys. 283, 161-163 (1985)

Reaction: Bacteriochlorophyll b + ¹O₂^* ® products and/or physical quenching
Solvent: CCl₄

k = 2 × 10⁹(L mol^-1 s^-1), k_react = 2 × 10⁸(L mol^-1 s^-1)

Experimental method: Modulated photolysis
Analytical method: infrared luminescence
Data type: Derived from steady state measurements

Photosensitizer = 5,10,15,20-Tetraphenylporphine; used solvent k_d = 39 s^-1; Actinometer = Tetracene, k_prod = 1.5 × 10⁸ L(mol·s). [O₂] = O₂.