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Catalog Number: VPK-5004, VPK-5004-5
Measures the Hepatitis B surface antigen (HBsAg) in purified virus or unpurified viral supernatant
Detection limit of approximately 1 ng/ml
HBsAg standard included
Video: Color Development in an ELISA
Catalog Number: VPK-5155, VPK-5155-5
Measures the spike protein (S1 subunit) of SARS-CoV-2
Detects concentrations as low as 31.3ng/ml of the spike protein S1
Recombinant SARS-CoV-2 spike protein S1 standard included