Fig. 1From: Construction and Immunological Evaluation of CpG-Au@HBc Virus-Like Nanoparticles as a Potential VaccinePhysicochemical characterization of purified HBc VLPs. a SDS-PAGE analysis of HBc VLPs in different stages of purification, from left to right: marker, bacterial liquid, protein separation from salting out, ion-exchange chromatography and molecular exclusion chromatography, marker. b DLS data of HBc VLPs. c TEM analysis of negatively stained HBc VLPsBack to article page