Biliverdin Singlet oxygen

Kruk, I.; Lichszteld, K.; Michalska, T.; Paraskevas, S.M.
Toxicol. Environ. Chem. 35, 167-173 (1992)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Solvent: MeOH, 95%, H₂O, 5%

k = 4.0 × 10⁹(L mol^-1 s^-1), T = 310K

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

soln. cont. 0.05 mol L^-1 MeONa and 5 × 10^-4 mol L^-1 CoCl₂, used solvent k_d = 1.8 × 10⁵ s^-1; ¹O₂* from autoxidation of oxytetracycline.

Kruk, I.; Lichszteld, K.; Michalska, T.; Bounias, M.
Z. Naturforsch., C, Biosci. 44C, 39-44 (1989)

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

k = 9.1 × 10⁸(L mol^-1 s^-1), pH = 11.2, T = 310K

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

used solvent k_d = 1.5 × 10⁴ s^-1; Indicator = 1,3-Diphenylisobenzofuran; ¹O₂* from Dopamine/H₂O₂.

Kruk, I.; Lichszteld, K.; Michalska, T.; Bounias, M.
Z. Naturforsch., C, Biosci. 44C, 39-44 (1989)

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

k = 1.1 × 10⁹(L mol^-1 s^-1), pH = 11.2, T = 310K

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

used solvent k_d = 1.5 × 10⁴ s^-1; Indicator = 1,3-Diphenylisobenzofuran; ¹O₂* from DOPA/H₂O₂.

Di Mascio, P.; Kaiser, S.; Sies, H.
Arch. Biochem. Biophys. 274, 532-538 (1989)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Solvent: D₂O/EtOH

k = 2.3 × 10⁹(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.

Polewski, K.; Slawinska, D.
Rocz. Akad. Roln. Poznaniu 177, 35-46 (1987)

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

k = 5 × 10⁹(L mol^-1 s^-1), pH = 10.5

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

used solvent k_d = 5 × 10⁴ s^-1; ¹O₂* from NaOCl/H₂O₂.

Galliani, G.; Manitto, P.; Monti, D.
Isr. J. Chem. 23, 219-222 (1983)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Reference Reaction: Bilirubin + ¹O₂^* ®
Solvent: Methylene chloride

k = 4.6 × 10⁹(L mol^-1 s^-1), T = 308K

Experimental method: Chemical reaction
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

used solvent k_d = 1 × 10⁴ s^-1; ¹O₂* from 4-Methyl-1-naphthalenepropionate ion endoperoxide; Indicator = Bilirubin.

Lightner, D.A.; Park, Y.-T.
Experientia 34, 555-557 (1978)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Solvent: CHCl₃

k = 1.7 × 10⁹(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements
Excitation wavelength: 560 nm

Photosensitizer = Rose Bengal complexed with dicyclohexyl-18-crown-8; used solvent k_d = 1.7 × 10⁴ s^-1; k_prod. = 1.9 × 10⁶ L/(mol·s) derived using sensitizer quantum yield. [Indicator] = 1 × 10^-5 (mol L^-1).

Lightner, D.A.; Park, Y.-T.
Experientia 34, 555-557 (1978)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Solvent: MeOH

k = 8.4 × 10⁹(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements
Excitation wavelength: 557 nm

Photosensitizer = Rose Bengal dianion; used solvent k_d = 1.4 × 10⁵ s^-1; k_prod. = 2.4 × 10⁶ L/(mol·s) derived using sensitizer quantum yield. [Indicator] = 1 × 10^-5 (mol L^-1).

Matheson, I.B.C.; Toledo, M.M.
Photochem. Photobiol. 25, 243-248 (1977)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Reference Reaction: Bilirubin dianion + ¹O₂^* ®
Solvent: D₂O

k = 5.1 × 10¹⁰(L mol^-1 s^-1), pH = 8.4
k = 6 × 10¹⁰(L mol^-1 s^-1), pH = 11.8
k = 1.5 × 10¹⁰(L mol^-1 s^-1), pH = 13.4

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

used solvent k_d = 5.0 × 10⁴ s^-1; Indicator = Bilirubin; high pressure O₂.

Matheson, I.B.C.; Toledo, M.M.
Photochem. Photobiol. 25, 243-248 (1977)

Reaction: Biliverdin + ¹O₂^* ® products
Solvent: D₂O

k_react = 3.0 × 10⁸(L mol^-1 s^-1), pH = 8.4
k_react = 4.0 × 10⁸(L mol^-1 s^-1), pH = 11.8
k_react = 5 × 10⁸(L mol^-1 s^-1), pH = 13.4

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

used solvent k_d = 5.0 × 10⁴ s^-1; high pressure O₂.

Stevens, B.; Small, R.D.,Jr.
Photochem. Photobiol. 23, 33-36 (1976)

Reaction: Biliverdin + ¹O₂^* ® products
Reference Reaction: Rub + ¹O₂^* ®
Solvent: CHCl₃

k_react £ 3 × 10⁶(L mol^-1 s^-1), k_reference = 4.2 × 10⁷(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method

Photosensitizer = Rubrene.

Stevens, B.; Small, R.D.,Jr.
Photochem. Photobiol. 23, 33-36 (1976)

Reaction: Biliverdin + ¹O₂^* ® products and/or physical quenching
Solvent: CHCl₃

k = 3.3 × 10⁹(L mol^-1 s^-1)

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

Photosensitizer = Indicator = Rubrene; used solvent k_d = 1.4 × 10⁴ s^-1.