Fig. 3From: Immunomolecular assay based on selective virion capture by spike antibody and viral nucleic acid amplification for detecting intact SARS-CoV-2 particlesDetection target of immune molecular method is only intact virus particles. a Levels of spike glycoprotein of SARS-CoV-2 pseudovirus in each gradient fraction analyzed by the western blotting and particle gel assay using anti-spike (S2) antibodies, respectively. b Levels of F1ab gene of SARS-CoV-2 pseudovirus in each gradient fraction analyzed via qRT-PCR and immunomolecular assay, respectively. c Infectious activity corresponding to different titers of complete virionsBack to article page