Bacteriopheophytin a 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: Bacteriopheophytin a + ¹O₂^* ® products and/or physical quenching
Solvent: Diethyl ether

k = 3 × 10⁷(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: Bacteriopheophytin a + ¹O₂^* ® products
Solvent: CCl₄

k_react = 3 × 10⁴(L mol^-1 s^-1)

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

Photosensitizer = 5,10,15,20-Tetraphenylporphine; Actinometer = Tetracene.

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

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

k = 1.2 × 10⁷(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. [O₂] = O₂.

Krasnovsky, A.A.,Jr.
Biophysics (Engl. Transl.) 22, 960-962 (1977)

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

k = 10⁷(L mol^-1 s^-1)

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

Photosensitizer = PP, Ph a or BChl a; used solvent k_d = 36 s^-1; also see [78KRA], [79KRA].