Abstract
In this study, a two dimensional mathematical model of a cross section of a single heart muscle cell 30.0 u in diameter, was constructed from which one would be able to calculate the rate of oxygen delivery from the capillary blood supply to the mitochondria by passive oxygen diffusion, myoglobin facilitation of oxygen delivery, and subsequent utilization of oxygen by cytochrome oxidase. From such calculations, the conditions under which the two hemoprotein indicators, myoglobin and cytochrome oxidase, behave in a coherent manner, as observed by Tamura and his colleagues (1978), could be established and the loci of oxygen gradients identified.
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References
Chance, B., Chance, E.M. et al., 1987, On the Location of Steep Oxygen Gradients in Rapidly Respiring Tissues, Proc. Natl. Acad. Sci. USA in preparation.
Chance, E.M., Curtis, A.R., Jones, I.P. and Kirby, C.R., 1977, FACSIMILE: A Computer Program for Flow and Chemistry Simulation, and General Initial Value Problems, A.E.R.E. Report No. R8775, H.M. Stationary Office, London.
Curtis, A.R. (1983) An Introduction to the FACSIMILIE Program, AERE Rpt. R-3134, H.M. Stationary Office, London.
Hess, B., Chance, E.M., Curtis, A.R. and Boiteux, A., 1981, in “Complex Dynamic Structures, Snergetics,” Vial, C. and Pacault, A., Eds. Springer Verlag, Berlin, 172–179.
Tamura, M., Oshino, N., Chance, B and Silver, I.A., 1978, Optical Measurements of Intracellular Oxygen Concentration of Rat Heart in vitro. Arch. Biochem. Biophys. 191, 8–82.
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© 1988 Plenum Press, New York
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Chance, E.M., Chance, B. (1988). Oxygen Delivery to Tissue: Calculation of Oxygen Gradients in the Cardiac Cell. In: Mochizuki, M., Honig, C.R., Koyama, T., Goldstick, T.K., Bruley, D.F. (eds) Oxygen Transport to Tissue X. Advances in Experimental Medicine and Biology, vol 222. Springer, New York, NY. https://doi.org/10.1007/978-1-4615-9510-6_8
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DOI: https://doi.org/10.1007/978-1-4615-9510-6_8
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