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Catalog Number: STA-382, MET-5180
Detects as low as 0.78 mg/dL urea (colorimetric) or .098 mg/dL urea (fluorometric).
Measures urea levels within urine, serum, plasma, cell lysates, or tissue homogenates
Provides sufficient reagents to perform up to 200 assays, including blanks, urea standards and unknown samples
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: VPK-150-5, VPK-150
Measures the core antigen of Hepatitis B virus
Sensitive to as low as 1 ng/mL
Recombinant HBVcAg standard included
Video: Color Development in an ELISA
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