| Chromatography technique | Group specific affinity |
|---|---|
| Autoclavability | 30 min at 121°C in 0.02 M NaH₂PO₄, pH 7, 5 cycles |
| BioProcess resin | Yes |
| Certificate of Analysis | Yes |
| Chemical stability | Stable in commonly used aqueous buffers - 0.1 M NaOH, 0.05 M sodium acetate, 8 M urea, 6 M guanidine hydrochloride, non-ionic detergents, 10% glycerol |
| Ligand | Porcine heparin |
| Ligand Concentration | ~3.5 mg heparin/mL resin |
| Ligand Coupling Method | Reductive Amination |
| Matrix | cross-linked agarose, 6%, spherical |
| Particle size, d 50V | ~90 μm |
| Pressure/flow characteristics | 250-400 cm/h at <0.1 MPa in a XK 50/60 column with 5 cm diameter and 25 cm bed height (at 20oC using buffers with the same viscosity as water) |
| Storage | 4 to 30°C, 20% Ethanol, 0.05 M Sodium Acetate |
| pH stability, CIP | 4–13 |
| pH stability, operational | 4–12 |
Answer:It contains 5 L of preswollen bulk Heparin Sepharose 6 Fast Flow resin for packing appropriate chromatography columns.
Answer:Antithrombin and other heparin-binding proteins can be retained, depending on buffer pH, ionic strength and sample composition.
Answer:An increase in salt concentration, applied as a step or gradient, is commonly used to weaken binding and elute target proteins.
Cytiva Heparin Sepharose 6 Fast Flow in a 5 L bulk presentation supports larger-scale purification of heparin-binding biomolecules. Porcine heparin ligands are immobilized on cross-linked 6% agarose beads, combining affinity interactions with charge-dependent retention of selected proteins. The resin is particularly relevant when processing heparin-binding plasma proteins and other biomolecules that can be captured reproducibly under controlled buffer conditions. Its preswollen format enables packing into appropriately sized chromatography columns after replacement of the ethanol-containing storage solution. Establish target-specific loading capacity, linear flow, bed geometry and pressure limits before moving from a smaller column to process scale. Salt-gradient or step elution can be used to evaluate recovery and resolution. The medium is delivered in 20% ethanol with sodium acetate as preservative and is not a prepacked column. Use validated cleaning and sanitization procedures so the heparin ligand remains functional across repeated cycles.
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