Conjugated Hemoglobin: Rightshifted Dextran-Hemoglobin as Blood Substitute
- 1 January 1988
- journal article
- research article
- Published by Taylor & Francis in Biomaterials, Artificial Cells and Artificial Organs
- Vol. 16 (1-3), 237-245
- https://doi.org/10.3109/10731198809132573
Abstract
Covalent modification of hemoglobin and dextran-hemoglobin by reductive alkylation under aerobic conditions with periodated inositol tetrakisphosphate brought about a rightshifting of their oxygen dissociation curves. The rightshifted dextran-hemoglobin conjugate provided adequate oxygen delivery in macaques exchange-transfused to 90% with respect to their erythrocyte content. The conjugate did not exhibit the nephrotoxicity of free hemoglobin. It was also more resistant to precipitation, and therefore more amenable to viral sterilisation, by ethanol.Keywords
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