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Catalog Number: VPK-5003, VPK-5003-5
Measures the Hepatitis B “e” antigen (HBeAg) in purified virus or unpurified viral supernatant
Detection limit of approximately 150 pg/ml
HBeAg standard included
Video: Color Development in an ELISA
Catalog Number: MET-5054, MET-5055
Measure only free L-amino acids (except glycine); does not detect peptides or proteins
Detection sensitivity limit of 62.5 µM (colorimetric) or 6.25 µM (fluorometric)
Suitable for use with lysates, serum, plasma, urine, and food samples
L-Alanine standard included
Catalog Number: MET-5093
Detection sensitivity limit of 7.8 µM in a standard colorimetric plate reader
Suitable for use with lysates, serum, plasma, urine, cell lysates and culture supernatants
L-Alanine standard included
NOTE: Each sample replicate requires 2 assays for proper data calculation.
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: MET-5177
Detection sensitivity limit of approximately 1.6 µM Tryptophan
Suitable for use with lysates, serum, plasma, urine and culture supernatants
L-Tryptophan standard included
NOTE: Each sample replicate requires 2 assays for proper data calculation.