Abstract
Abstract The oxygenation of a pyridine-hemochrome bound to a polymer ligand has been studied in solid state. The oxygenation rate and the amount of oxygen adsorbed were determined by volumetry. The rate of adsorption of oxygen depends upon the structure of polymer matrix. Pyridine hemochrome included in a polyion complex takes up oxygen more rapidly than others. The rate of adsorption depends a great deal upon the surface condition of polymer matrix in case of oxygen binding in solid state. The degree of oxygenation was nearly equal in all cases. The difference in the rate of adsorption of oxygen may be due to the difference in gas permeability of the polymer matrix. This was supported by the fact that the hemochrome bound to a porous polymer matrix adsorbs oxygen more rapidly than the hemochrome bound to a non-porous polymer matrix. The surface condition of the polymer matrix greatly affects the reversibility of oxygenation.
Published Version
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