Abstract
WE have read with interest the recent paper by Weiss1 concerning the electronic structure of oxygenated hæmoglobin. From a consideration of: (1) magnetic properties, (2) absorption spectrum and (3) acid dissociation constant of oxygenated hæmoglobin, Weiss has proposed that the iron has a +3 charge. Therefore, iron is essentially in the ferric state. His paper has prompted us to give additional evidence in support of his idea.
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References
Weiss, J. J., Nature, 202, 83 (1964).
Ballhausen, C. J., Introduction to Ligand Field Theory, 152 (McGraw-Hill Book Company, Inc., New York, 1962).
Muller, Norbert, Pickett, Lucy W., and Mulliken, Robert S., J. Amer. Chem. Soc., 76, 4770 (1954).
Pauling, L., in Roughton, F. J. W., and Kendrew, J. C., Joseph Bancroft Memorial Symposium on Hemoglobin, 57 (Interscience Pub. Due., New York, 1949).
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VIALE, R., MAGGIORA, G. & INGRAHAM, L. Molecular Orbital Evidence for Weiss's Oxyhæmoglobin Structure. Nature 203, 183–184 (1964). https://doi.org/10.1038/203183b0
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DOI: https://doi.org/10.1038/203183b0
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