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Catalog Number: STA-860
Specifically differentiates ascorbic acid content from other antioxidant compounds
Detects ascorbic acid concentrations as low as 1.56 µM
Suitable for use with serum, plasma, urine, saliva, tissue homogenates, cell extracts, and purified food or drug extracts
NOTE: Each sample replicate requires…
Catalog Number: STA-859
Quick, 10 minute protocol
Measures antioxidant potential in samples through the reduction of ferric iron (Fe3+) to ferrous iron (Fe2+)
Detection sensitivity limit of approximately 4 µM Fe2+ iron equivalents
Suitable for use with serum, plasma, lysates, biological fluids, and purified food or drug…
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