Immunofluorescence staining of SARS-CoV-2 (2019-nCoV) Spike in ACE2-overexpressed 293T cells, infected (left) or non-infected (right) by 2019-nCOV-Spike pseudovirus (PSV). Cells were blocked with 10% serum, and incubated with SARS-CoV-2 (2019-nCoV) Spike rabbit monoclonal antibody (dilution ratio 1:60) at 37℃ for 1 hour. Then cells were stained with the Alexa Fluor®‐conjugated Goat Anti-rabbit IgG secondary antibody (green).
