- I have seen a value of 10-4 quoted but cannot find the reference where that came from. Thanks for any help.
Dear Michael!
according to
I.B.C.Matheson, N.U.Curry, J.Lee. The photochemical quantum yield for the self‐sensitized photooxidation of bilirubin. Evidence for oxygen‐induced intersystem crossing at high oxygen concentrations. Photochem.Photobiol. 1980 Volume 31, Issue 2, P. 115-120,
the quantum yield in water at pH 7.0 is 0.0049.
Details can be found in this work.
Recently , we measured the quantum yield of the formation of singlet oxygen upon excitation of bilirubin in chloroform (V. Yu. Plavskii, A.I.Tret’yakova, and G.R.Mostovnikova. Phototherapeutic systems for the treatment of hyperbilirubinemia of newborns. J. Opt. Technol. 81 (6), June 2014, P. 341-348). It turned out to be equal to 0.01. Unfortunately in the water this value is even lower and we could not determine it.
Best regards,
V.Plavskii
The following article may also help
Clinical and in Vitro Photochemistry of Bilirubin
Light in Biology and Medicine pp 143-151|
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