| Chromatography technique | Antibody affinity chromatography |
|---|---|
| Binding Capacity/ml Chromatography Medium | Approximately 60 mg human IgG/mL resin. |
| BioProcess resin | Yes |
| Certificate of Analysis | Yes |
| Chemical stability | Stable in all aqueous buffers commonly used in Protein A Chromatography |
| Ligand | Alkali-stabilized Protein A-derived ( E. coli ) |
| Ligand Coupling Method | Epoxy activation |
| Matrix | Highly cross-linked agarose |
| Particle size, d 50V | ~85 µm |
| Pressure/Flow Specification | 500 cm/h, AxiChrom 300, bed height 20 cm, operating pressure < 2 bar |
| Storage | 2 to 8°C, 20% Ethanol |
| pH stability, CIP | 2–13.7 |
| pH stability, operational | 3–12 |
Answer:Protein A affinity capture of monoclonal antibodies or other proteins with a compatible IgG Fc region.
Answer:Five liters of MabSelect SuRe LX resin, suitable for larger column-packing and capture-process requirements.
Answer:Yes. Validated cleaning-in-place procedures can use 0.1–0.5 M NaOH, with exposure conditions established for the process.
Cytiva MabSelect SuRe LX Protein A resin is supplied in a 5 L package for antibody-capture chromatography processes that require larger resin inventories. Its cross-linked agarose matrix carries an alkali-stabilized protein A-derived ligand that binds the Fc region of human IgG, enabling high-selectivity capture before subsequent polishing steps. Dynamic binding capacity is approximately 60 mg human IgG per mL of resin at a six-minute residence time under defined test conditions, with actual capacity varying by antibody, buffer and operating conditions. The resin tolerates validated alkaline cleaning with 0.1–0.5 M NaOH and is supplied in an ethanol-containing storage solution. The larger pack can supply columns for pilot or manufacturing process operations and facilitates preparation of multiple columns using a common medium. Column packing, breakthrough targets, cleaning exposure and resin lifetime require process-specific verification.
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