Acknowledgments
This study was supported in part by Grants NSC 93-2622-B-010-001-CC3 and NSC 95-2320-B-010-038 from the National Science Council, Taiwan.
Appendix A. Supplementary data
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Keywords
Oxyhemoglobin; Photo-dissociation; Quantum yield
The quantum yield of photo-dissociation is the efficiency of the transfer from the reactants to the products generated by light irradiation, which is defined as the molecular number of photoproduct ONX-0914 divided by the absorbed photon number [6]. Because the quantum yield is a very sensitive parameter, which may easily be affected by the experimental conditions including temperature, pressure, density and pH state (if in the aqueous state), etc., of the solutions, it would be better to determine the quantum yield value under a specific kind of experiments. The quantum yields of the photo-dissociation of oxygen from HbO2, which are quite small for most of mammals, just have been reported rarely although the mechanisms of the association and dissociation of Hb and ligand molecules have been frequently researched [7], but a few studies are concerning HbO2[8] and [9].
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