Fig. 3From: Preparation and characterization of a single-domain antibody specific for the porcine epidemic diarrhea virus spike proteinThe PEDV spike protein-specific recombinant phages were identified by phage ELISA. The recombinant phages of 96 clones that were randomly picked from the third round of panning were added to microplates coated with the PEDV spike protein, and the bound phages were detected with HRP/anti-M13 monoclonal antibody. M13K07 helper phage was used as a negative controlBack to article page