Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)

Knox, C.N.; Land, E.J.; Truscott, T.G.
J. Photochem. Photobiol., B 1(3): 315-21 (1988)

Sensitizer: Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)
Solvent: C6H6
Oxygen concentration: O2

Quantum yield of formation = 0.01T
Fraction of T1 yielding singlet oxygen = 0.33

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

Reference sensitizer = Ac; rel. to phiDelta(ref. sens.) = 0.73; meas. phiT(S) = 0.03; lambdaexc = 355 nm. Proportion of T1 quenched by O2 = 1.

Krasnovsky, A.A.; Sukhorukov, V.L.; Potapenko, A.Ya.
Bull. Exp. Biol. Med. 96(9): 1259-61 (1983)

Sensitizer: Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)
Solvent: CCl4
Oxygen concentration: air

Quantum yield of formation = 0.002*; 0.0026T

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.) = 0.7; lambdaexc = 652 nm.

Krasnovsky, A.A.,Jr.; Sukhorukov, V.L.; Egorov, S.Yu.; Potapenko, A.Ya.
Stud. Biophys. 114(1-3): 149-58 (1986)

Sensitizer: Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)
Solvent: D2O
Oxygen concentration: air

Quantum yield of formation = 0.02T

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

Reference sensitizer = RF; rel. to phiDelta(ref. sens.) = 0.3; lambdaexc = 337 nm.

Krasnovsky, A.A.,Jr.; Sukhorukov, V.L.; Egorov, S.Yu.; Potapenko, A.Ya.
Stud. Biophys. 114(1-3): 149-58 (1986)

Sensitizer: Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)
Solvent: MeOH
Oxygen concentration: air

Quantum yield of formation = 0.03T
Fraction of T1 yielding singlet oxygen = 1

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

Reference sensitizer = RF; rel. to phiDelta(ref. sens.) = 0.4; lambdaexc = 337 nm; used phiT(S) = 0.31d.

d Value of phiT(S) from the literature used in this work to calculate fDeltaT.
T Value corrected for 100% quenching of T1.
* Values recalculated using phiDelta(S') or fDeltaT(S') from Table 4 or from the quoted reference.
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