Protein Block – 125 ml – ab64226

1.100,00 AED

Available on backorder

Protein Block - 125 ml - ab64226


Protein Block – 125 ml – ab64226

  • Product name

    Protein Block
  • Tested applications

    Suitable for: IHC-PELISAWB
  • General notes

    Protein blocking buffer ab64226 for serum-free blocking of non-specific antibody binding in IHC, ELISA and western blot. Ready to use. No mixing or dilution required.

    For use in ELISA, add Protein Block to well and incubate for 2-10 minutes before addition of sample. Wash and continue procedure. For use in western blotting, incubate for one hour at room temperature or overnight at 4°C.


    IHC protocol suitable for use with Protein Block ab64226:
    For frozen sections, skip steps 1 and 2. For fluorescent IHC, skip step 3, incubate with fluorescent dye conjugated secondary at step 6, skip rest of steps, and mount with anti-fade mounting medium.

    1. Deparaffinize and rehydrate formalin-fixed paraffin-embedded tissue section.

    2. Use appropriate antigen retrieval buffer or enzyme (primary antibody dependent) to treat sections. Wash 3 times in buffer.

    3. Add enough hydrogen peroxide blocking solution to cover the sections. Incubate for 10 minutes. Wash 2 times in buffer. If necessary, use avidin biotin blocking.

    4. Apply Protein Block ab64226 (or normal serum from same species as secondary antibody) and incubate for at least 30 minutes at room temperature to block nonspecific background staining. Wash once in buffer.

    5. Apply primary antibody in antibody diluent and incubate. Wash 4 times in buffer.

    6. Incubate with biotinylated secondary antibody (or HRP polymer secondary antibody and skip step 7). Wash 4 times in buffer.

    7. Apply streptavidin-HRP and incubate for 10 minutes at room temperature.

    8. Rinse 4 times in buffer. Place slide in DAB substrate or AEC substrate and incubate until desired color is achieved. Rinse 4 times in buffer.

    9. Add enough drops of hematoxylin to cover the section. Incubate for 1 minute.

    10. Rinse 7-8 times in tap water. Add mounting medium to cover the section.

    Find complete IHC kits, and reagents for antigen retrieval, blocking, signal amplification, visualization, counterstaining, and mounting in the IHC kits and reagents guide.

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Protein Block - 125 ml - ab64226

1.100,00 AED

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