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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
Catalog Number: CBA-201
Uses a 3D collagen matrix to measure changes in the collagen gel size
Assess cell contractivity and screen for cell contraction mediators
Includes optional cell contraction inhibitor
Frequently Asked Questions about this product
Catalog Number: MET-5056
Measures only free branched chain amino acids; does not detect peptides or proteins
Detection sensitivity limit of 15.6 µM
Suitable for use with lysates, serum, plasma, urine, and food samples
L-Leucine standard included