antibody discovery single B cell screening single B cell sorting anti-idiotypic anti-id Pharmacokinetic analysis of antibodies... PK analysis PK kit ADA kit antibody humanization antibody optimization antibodies characterization humanization of antibodies CAR-T In Vitro Assay sdAb humanization CAR-T Solutions CAR-T Discovery single domain antibody VHH library sdAb immunized library Pharmacokinetic analysis of antibodies... PK analysis Bispecific Antibody Biologics CMC Preclinical CMC Process Development Service IND-enabling service Clinical Manufacturing Biologics manufacturing CHO commercial license Host Cell Line Biologics CDMO stable cell line cell line development suspension lentivirus production... adherent lentivirus production... LVV production AAV production suspension AAV production lentiviral vector production AAV Manufacturing CAR-T lentivirus AAV packaging LVV packaging Lentivirus Manufacturing GMP lentivirus plasmid production gene therapy plasmid plasmid manufacturing Plasmid CMC CAR-T plasmid GMP-source plasmid GMP plasmid GMP-like plasmid gene therapy plasmid