Fig. 1
From: Two novel protein chips for the detection of antibodies against porcine parvovirus
Identification of PPV VP2 protein. a Identification of prokaryotic expression vector digested by restriction enzyme identification. b Identification of PPV VP2 protein expression and purification by SDS–PAGE. c Detection of reactivity of anti-VP2 polyclonal antibodies by Western blotting. a and b. The cell lysate of empty vector and induced pColdI-PPV VP2 plasmid. c and d. The cell lysate of empty vector and transfected pcDNA3.0-PPV VP2 plasmid (d) The specificity of PPV VP2 protein verified using the protein chip