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Process for preparing highly purified, stroma-free and hepatitis-resisting human and animal haemoglobin solutions
Process for preparing highly purified, stroma-free and hepatitis-resisting human and animal haemoglobin solutions
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机译:制备高纯度,无基质和抗肝炎的人和动物血红蛋白溶液的方法
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摘要
To provide a method that allows the preparation, not only from human blood but also from animal blood and in quantities large enough for clinical applications, of highly purified hemoglobin solutions that can be employed for the treatment of humans and that are free of plasma proteins and residual stroma lipids (a) a starting material that contains erythrocytes is pumped over a filter unit that has a pore size between 0.1 and 1.2 mu m in circulation against an isotonic washing solution, (b) the product of (a) is hemolyzed and pumped over an ultrafiltration unit that has a permeability of 80,000 to 100,000 D in circulation against water, and (c) the ultrafiltrate obtained in stage (b) is pumped and diafiltered over an ultrafiltration unit that has a permeability of 10,000 to 50,000 D in circulation against water, whereby concentration is conducted before and/or after diafiltration.
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