TY - RPRT TI - Prospective ICH Q2(R2)-aligned total-error validation of label-free untargeted proteomics for host cell protein quantification in biotherapeutics AU - Khalil, S. AU - Dierick, J.-F. AU - Bourguignon, P. AU - Plisnier, M. PY - 2026 DO - 10.64898/2026.03.06.710150 UR - https://www.biorxiv.org/content/10.64898/2026.03.06.710150v1 ID - 10.64898/2026.03.06.710150 ER -