Thermo Fisher, 1943462250, CaptureSelect™ CH1-XL Affinity Matrix

Quantity: 250 mL
Unit Size: Each
CaptureSelect CH1-XL Affinity Matrix recognizes the CH1 domain of human IgG antibodies, enabling purification of all subclasses (1, 2, 3, and 4) of human IgG and Fab fragments, independent of the light-chain isotype and source material.CaptureSelect CH1-XL Affinity Matrix features include:
• Platform approach for purification of IgGs and their Fab fragments directly from complex source materials in a single step with high purity and yield
• Elution possible at pH 4.0–4.5 with 50 mM acetate buffer
• No co-purification of overproduced free light chain due to selectivity for the CH1 domain
• No binding to bovine antibodies, so presence of fetal bovine serum is not a problem
• Excellent scalability
• Non-animal derivedFree of animal componentsCaptureSelect products contain affinity ligands based on recombinant single-domain antibody fragments (VHH) created by a proprietary technology. The VHH affinity ligand is a 12 to 15 kDa fragment comprising the three complementarity-determining regions (CDRs) that form the antigen-binding domain, efficiently produced in the yeast Saccharomyces cerevisiae by a production process free of any animal components (Animal Origin-Free).Main characteristics:
• Matrix:agarose-based, epoxide-activated
• Average particle size:65 ± 10 μm
• Ligand:CaptureSelect CH1-XL affinity ligand
• Ligand coupling method:epoxide coupling
• Binding capacity:>15 mg/mL human Fab fragment depending on flow rate, column height, contact time. For humanized Fabs lower capacities can be observed.
• Elution conditions:100 mM glycine buffer, pH 3.0; 50 mM acetate buffer, pH 4.0–4.5
• Flow rate:50–200 cm/h (up to 2 bar)
• Formulation buffer:20% (v/v) ethanol