Search
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-5029, MET-5125
Suitable for use with serum, plasma, biological samples, and lysates
Detection sensitivity of 1µM (fluorometric) or 3 µM (colorimetric)
Pyruvate standard included
NOTE: For the fluorometric assay, each sample replicate requires 2 assays for proper data calculation.
Catalog Number: MET-5119, MET-5120
Detect malate concentrations as low as 6.25 µM
Quantify in a standard colorimetric or fluorometric plate reader
Suitable for food and beverage samples, serum, plasma, urine, cell lysates and culture supernatants
Malate standard provided
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: MET-5167
Suitable for use with serum, plasma, lysates, urine and cell culture supernatants
Detection sensitivity limit of approximately 3.1 µM 2-Phosphoglycerate (2-PG)
2-PG standard included
NOTE: Each sample replicate requires 2 assays for proper data calculation.