Chemicals for use in industry and science, namely, chemical binders, unprocessed artificial resins, and separation membranes in the nature of filtering materials utilizing ligands that bind and filter out high-risk protein impurities (HRPs), namely, Host Cell Proteins (HCPs), during the purification of therapeutic biopharmaceutical monoclonal antibodies (mAbs); chromatography separation media for separation of a mixture into components, namely, chromatography resins and separation membranes, ...