Fig. 2From: Chimeric Hepatitis B core virus-like particles harboring SARS-CoV2 epitope elicit a humoral immune response in miceTransmission electron microscopic analysis of refolded a HBc VLP and b) HBc VLP-E proteins versus c the denatured proteins before the purification and refolding process. Assembled proteins are indicated by arrow. Scale bar, 300Â nmBack to article page