3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: (C2H5)2O
Oxygen concentration: air

Quantum yield of formation = 0.74

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = TPP; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1.


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: CCl4
Oxygen concentration: air

Quantum yield of formation = 0.71*; 0.80

Experimental method: modulated photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = TPP; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1.


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: D2O/EtOH (90:10) (mic)
Oxygen concentration: air

Quantum yield of formation = 0.70

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TPPS4–; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1. Soln. cont. 2% Triton X-100.


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: D2O/EtOH (95:5) (mic)
Oxygen concentration: air

Quantum yield of formation = 0.49

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TPPS4–; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1. Soln. cont. 2% Triton X-100.


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: D2O/EtOH (95:5)
Oxygen concentration: air

Quantum yield of formation < 0.02

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TPPS4–; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1.


Krasnovsky, A.A.,Jr.; Neverov, K.V.; Egorov, S.Yu.; Roeder, B.; Levald, T.
J. Photochem. Photobiol., B 5(2): 245-54 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: EtOH
Oxygen concentration: air

Quantum yield of formation = 0.60

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TPPS4–; rel. to phiDelta(ref. sens.) = 0.70. Proportion of T1 quenched by O2 = 1.


Roeder, B.; Naether, D.; Lewald, T.; Braune, M.; Nowak, C.; Freyer, W.
Biophys. Chem. 35(2-3): 303-12 (1990)

Sensitizer: 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-21-(methoxycarbonyl)-4,6,13,18-tetramethyl-20-oxo- (Pheophorbide a)
Solvent: EtOH
Oxygen concentration: aira

Quantum yield of formation = 0.51

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TPPS4–; rel. to phiDelta(ref. sens.) = 0.70; lambdaexc = 514.5 nm.


a Oxygen concentration not given; assumed to be air saturated.
* Values recalculated using phiDelta(S') or fDeltaT(S') from Table 4 or from the quoted reference.
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