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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: 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: XAN-5084
Suitable for use with samples containing a hydrogen sulfide donor, such as enzymes, cells or tissues
Sodium sulfide standard included
Catalog Number: VPK-5155, VPK-5155-5
Measures the spike protein (S1 subunit) of SARS-CoV-2
Detects concentrations as low as 31.3ng/ml of the spike protein S1
Recombinant SARS-CoV-2 spike protein S1 standard included