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Model-Based Process Development for the Purification of a Modified Human Growth Hormone Using Multimodal Chromatography

机译:基于模型的过程开发,使用多峰色谱法纯化修饰的人类生长激素

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This study demonstrates how the multimodal Capto adhere resin can be used in concert with calcium chloride or arginine hydrochloride as mobile phase modifiers to create a highly selective purification process for a modified human growth hormone. Importantly, these processes are shown to result in significant clearance of product related aggregates and host cell proteins. Furthermore, the steric mass action model is shown to be capable of accurately describing the chromatographic process and the aggregate removal. Finally, justification of the selected operating ranges is evaluated using the model together with Latin hyper cube sampling. The results in this article establish the utility of multimodal chromatography when used with appropriate mobile phase modifiers for the downstream bioprocessing of a modified human growth hormone and offer new approaches for bioprocess verification.
机译:这项研究证明了多峰Capto粘附树脂如何与氯化钙或精氨酸盐酸盐一起用作流动相改性剂,从而为修饰的人类生长激素创造出高度选择性的纯化工艺。重要的是,这些过程显示出导致产物相关聚集体和宿主细胞蛋白的大量清除。此外,显示出空间质量作用模型能够准确描述色谱过程和聚集体去除。最后,使用模型和拉丁超级立方体采样一起评估所选工作范围的合理性。本文的结果确立了多峰色谱与适当的流动相改性剂一起用于修饰的人生长激素的下游生物加工的效用,并为生物工艺验证提供了新方法。

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