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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-5123, MET-5124
Measure ALT activity from serum, plasma, cell or tissue lysates
Colorimetric and fluorometric plate-based detection formats
ALT positive control included
Catalog Number: MET-5014, MET-5030
Detects NAD+, NADH, or total NAD+/NADH
Compatible with cell or tissue lysates
NAD+ standard included
Catalog Number: MET-5018, MET-5031
Detects NADP+, NADPH, or total NADP+/NADPH
Compatible with cell or tissue lysates
NADP+ standard included
Catalog Number: MET-5121
Detect calcium concentrations as low as 15 µM
Suitable for serum, plasma, urine, and cell or tissue lysates,
Calcium standard included
Catalog Number: MET-5138
Detect zinc concentrations as low as ~0.4µM
Suitable for serum, plasma, urine, cerebrospinal fluid, and cell or tissue lysates
Zinc 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
Catalog Number: MET-5136, MET-5137
Measure only free D-amino acids (except D-Glutamate and D-Aspartate); does not detect peptides or proteins
Detection sensitivity limit of 1.56 µM
Suitable for use with lysates, serum, plasma, urine, and food samples
D-Alanine standard included