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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: MET-5068, MET-5068-5
Detection sensitivity limit of 24 pg/mL
Suitable for use with plasma, serum, and lysates
Folic acid standard included
Video: Color Development in an ELISA
Catalog Number: MET-5073
Detection sensitivity limit of 15.6 µM free tyrosine
Suitable for use with lysates, serum, plasma, saliva and urine
Tyrosine standard included
Catalog Number: VPK-5145, VPK-5145-5
Measures the nucleocapsid (N) protein of SARS-CoV-2
Detect concentrations as low as 1.25 ng/mL of the nucleocapsid protein
Recombinant SARS-CoV-2 Nucleocapsid protein standard included