Fig. 1From: Development of nanobodies targeting hepatocellular carcinoma and application of nanobody-based CAR-T technologyConstruction of FGFR4 nanoparticles and immunization of alpaca. a Schematic diagram of expression vector encoding FGFR4 antigen’s extracellular domain proteins and ferritin. b Schematic diagram of generation of FGFR4-HPF nanoparticles. c Process of immunizing alpaca with FGFR4-HPF nanoparticles. d Immunized alpaca serum ELISABack to article page