Continuous fractionation of human plasma proteins by precipitation from the suspension of the recycling stream |
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Authors: | Chang C E |
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Institution: | Research and Development Department, Alpha Therapeutic Corporation, 5555 Valley Boulevard, Los Angeles, California 90032. |
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Abstract: | The conventional cold-ethanol batch fractionation method of human plasma is converted to an automatically controlled continuous fractionation process. The selected protein fractions are precipitated by mixing in the recycled product stream of the suspension. Compared to the batch process, the continuous fractionation process generates less coprecipitation and less spontaneous nucleation, allowing efficient centrifugation of precipitates, and the yield and purity of albumin in the final fraction is significantly increased. |
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