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Ion exchanger treatment of citrate-stabilized plasma
Ion exchanger treatment of citrate-stabilized plasma
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机译:离子交换剂处理柠檬酸盐稳定的血浆
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摘要
A citrate-stabilized blood plasma is frozen and thawed, the undissolved cryoprecipitate is separated and is rich in factor VIII protein. The residual liquid is treated with cation and anion exchangers, either sequentially or in admixture, to separate calcium and citrate ions therefrom. The residual plasma is then subjected to adsorption to remove a fraction which is eluted and precipitated, enriched in factors II, VII, IX and X. The liquid left from adsorption is subjected to further adsorption with silicic acid, leaving a storage-stable serum. The silicic acid is eluted to dissolve adsorbed fibrinogen which then is re- precipitated.
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