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Biophysical Journal 10: 38-54 (1970)
© 1970 the Biophysical Society

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Nonequilibrium-Facilitated Oxygen Transport in Hemoglobin Solution

Howard Kutchai, John A. Jacquez and Frances J. Mather

ABSTRACT

We have used the quasi-linearization method to obtain numerical solutions to the equations which describe steady-state diffusion of oxygen through layers of hemoglobin solution. The numerical solutions show how the facilitated flux of oxygen depends upon the layer thickness, reaction-rate coefficients, and other parameters of the system. The results indicate that steady-state oxygen diffusion in layers of hemoglobin solution, similar to those studied by Scholander, should be adequately described by the models which assume chemical equilibrium exists throughout the layer, but for layers of concentrated hemoglobin solution about the thickness of a human erythrocyte, the facilitation of oxygen diffusion should be much less than the equilibrium models predict.






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Copyright © 1970 by the Biophysical Society.