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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-5018, MET-5031
Detects NADP+, NADPH, or total NADP+/NADPH
Compatible with cell or tissue lysates
NADP+ standard included
Catalog Number: MET-5131, MET-5132
96-well colorimetric or fluorometric detection formats
Detect concentrations as low as 4 µM (colorimetric) or 0.2 µM (fluorometric)
Suitable for serum, plasma, cell suspensions, and tissue homogenates
Alpha-ketoglutarate standard provided for quantitation of unknown samples
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