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The effect of protein concentration on the viscosity of a recombinant albumin solution formulation

机译:蛋白质浓度对重组白蛋白溶液制剂粘度的影响

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The effect of protein concentration on solution viscosity in a commercially available biopharmaceutical formulation of recombinant albumin (rAlbumin) was studied. The level of protein aggregation with concentration and its impact on solution viscosity was investigated. Theoretical models predicting viscosity with concentration were applied to these data, and a model that accounts for multiple protein species in solution provided the best fit. The results highlight the need to account for heterogeneity in the level of aggregation when addressing the increase of viscosity observed at high concentrations of protein solutions, a significant issue for the manufacture and use of protein-based therapeutics.
机译:研究了蛋白质浓度对重组白蛋白(Ralbumin)的市售生物制剂中溶液粘度的影响。研究了浓度蛋白质聚集水平及其对溶液粘度的影响。将浓度粘度预测的理论模型应用于这些数据,以及溶液中多种蛋白质物种的模型提供了最合适的。结果突出了在统治水平中应对在高浓度的蛋白质溶液中观察到的粘度的增加时,这是制造和使用基于蛋白质的治疗剂的重要问题。

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