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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: STA-674, MET-5080
Detection sensitivity limit of 6.25 µM (colorimetric format) or 0.3 µM (fluorometric format)
Suitable for use with lysates, cell culture supernatants, serum, plasma, and urine
Glutamate standard included
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