
Keywords: OD، تراکم نوری; PEDV S protein; Inclusion bodies; Solubilization; Refolding; Immunogenicity; Subunit vaccinePEDV, porcine epidemic diarrhea virus; IBs, inclusion bodies; IPTG, isopropyl d-1-thiogalactopyranoside; OD, optical density; DTT, dithiothreitol; TBS, Tris-buffer