Creative Biolabs' Rabbit anti-Human SARS-CoV-2 Spike RBD Polyclonal Antibody (Antigen Affinity Purified) is a Polyclonal antibody. This antibody has been shown to work in applications such as: EIA, Immunoassay, Precipitation, ELISA, Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, Immunoprecipitation, and Western Blot.