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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-5086, MET-5181
Detects as low as 12.5 µM ammonia (colorimetric) or 6.25 µM ammonia (fluorometric).
Measures ammonia levels within urine, cell lysates, or tissue homogenates
Provides sufficient reagents to perform up to 100 assays (colorimetric) or 200 assays (fluorometric), including blanks, ammonia standards…
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
Catalog Number: VPK-5175
Measures the Influenza B Nucleoprotein protein as low as 313 pg/mL
Quantitation is performed on a standard microplate reader
Recombinant Influenza B Nucleoprotein Standard included