首页> 外文会议>American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics >QUANTITATIVE ANALYSIS OF HOST CELL PROTEINS IN BIOLOGICS DERIVED FROM DIFFERENT CELL LINES AND PURIFICATION SCHEMES BY A LC-MS ASSAY
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QUANTITATIVE ANALYSIS OF HOST CELL PROTEINS IN BIOLOGICS DERIVED FROM DIFFERENT CELL LINES AND PURIFICATION SCHEMES BY A LC-MS ASSAY

机译:通过LC-MS测定衍生自不同细胞系和纯化方案的生物学中宿主细胞蛋白的定量分析

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摘要

The LC/MS~(E)-based assay allows the identification and quantification of low-abundance HCP contaminants in biopharmaceuticals over four orders of magnitude in concentration. Protein a purification of Mabs using different purification protocols produces different HCP patterns. Cell lines used for Mab purification do not affect the HCPs identity and concentration significantly.
机译:基于LC / MS〜(e)的测定允许在生物制药中鉴定和定量生物制药中的低丰度HCP污染物超过四个级别的级别。使用不同纯化方案纯化MAb的纯化产生不同的HCP模式。用于MAB纯化的细胞系不会显着影响HCPS同一性和浓度。

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