https://www.selleckchem.com/ALK.html
Protein A chromatography with a high salt wash usually leads to robust clearance of host cell proteins (HCPs) in most recombinant monoclonal antibodies (mAbs), but a small subset of recalcitrant mAbs show significant HCP copurification. In this study, we carried out systematic studies using 4 different mAbs to explore the HCP copurification mechanism. HCP identification results revealed that the 3 high-HCP mAbs had many common HCPs which do not copurify with the low-HCP mAb, suggesting a similar mechanism is at play. Through wash evaluation, surface
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