Recombinant Human IFN-alpha 21/IFNA21 Protein, CF

Catalog # 11159-IF | R&D Systems, Inc. a Bio-Techne Brand
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11159-IF-010
11159-IF-050
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Setting the standard in quality research reagents

Key Product Details

Source: CHO
Accession #: P01568.2
Applications: Bioactivity
  • Formulation, Preparation & Storage

    • Formulation, Preparation and Storage

    Carrier Free
    What does CF mean?

    CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

    What formulation is right for me?

    In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

    11159-IF
    Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
    Reconstitution Reconstitute at 100 μg/mL in PBS.
    Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
    Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

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    Product Documents for Recombinant Human IFN-alpha 21/IFNA21 Protein, CF

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