For downstream processes that utilize a Praesto® Jetted A50 Hi pH capture step, Repligen offers the only kit on the market that includes the NGL-Impact® A Hi pH Ligand standard for the most accurate quantitation.

• Exact matched Protein A reference standard (NGL-Impact® A Hi pH Ligand)
• Sensitivity of 0.1 ng/mL
• Recovery: 80-120%
• Accuracy & Precision: Inter-assay +/- 10%, Intra-assay +/- 15%

Kit Contents:

• Anti-protein A coated 96 well microtiter plate
• Reagent A: sample diluent (5x)
• Reagent B: NGL-Impact® A Hi pH Ligand standard
• Reagent C: rabbit anti-protein A: biotin probe
• Reagent D: streptavidin: peroxidase conjugate
• Reagent E: TMB peroxidase substrate
• PBS packs (quantity 2)