For downstream processes which utilize a Protein A capture step (non-MabSelect SuRe™), Repligen offers the Protein A ELISA Kit suitable for Protein A resins that contain native and recombinant Protein A ligand variants.
Specificity for all variants of native and recombinant Protein A
Sensitivity of 0.1 ng/mL or 0.8 ppm
Recovery: 80-120%
Accuracy and precision: Inter-assay +/- 10%, Intra-assay +/- 15%
Kit Contents:
Anti-protein A coated 96-well microtiter plate
Reagent A: sample diluent (5x)
Reagent B: recombinant protein A standard solution