Fig. 2From: Spontaneous C-cleavage of a truncated intein as fusion tag to produce tag-free VP1 inclusion body nanoparticle vaccine against CVB3-induced viral myocarditis by the oral routeVP1 IB nanoparticles purification and characterization. a SDS-PAGE analysis of the purified VP1 IBs. b Confocal microscopy images of FITC-labeled VP1 IBs. c, d Scanning electron microscopy (SEM) images of VP1 IBs. e Size distribution of VP1 IBs. Scale bar is 1umBack to article page