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30% off Secondary Antibodies

Promotion Period:

7/1/26 to 9/30/26

Secondary reagents have been carefully selected to provide optimum quality and flexibility for your experimental design:

  • Choose monoclonal or polyclonal antibodies
  • Select IgG molecules or F(ab’)2 fragments
  • Access many formats to support your workflow
  • Use in flow cytometry, western blotting, immunocytochemistry, and more
    Minimize cross-reactivity with cross-absorbed antibodies
    Enable multiplex western blotting with exceptionally bright Fluorescent StarBright™ Dye Secondary Antibodies

Secondary Antibodies for Western Blotting

Achieve clear western blot data with minimal optimization using secondary antibodies that provide strong signal amplification and low background, even in multiplex workflows.

Explore products designed to support reliable western blot performance:

  • Scientific illustration of cross-adsorbed secondary antibody molecules

    Cross-Adsorbed Secondary Antibodies
    Many of Bio-Rad’s polyclonal secondary antibodies are cross-adsorbed against other species to remove non-target Ig binding.

  • Scientific illustration of cross-adsorbed secondary antibody molecules

    Isotype-Specific Monoclonal Secondary Antibodies
    Recombinant monoclonal antibodies, to mouse IgGs with multiple formats, only detect a single isotype, eliminating any cross-reactivity.

  • An abstract, vibrant design featuring a glowing, circular light-burst pattern transitioning through a rainbow spectrum.

    StarBright Blue Secondary Antibodies
    Anti-rabbit and anti-mouse secondary antibodies conjugated to Bio-Rad’s unique bright and stable StarBright Blue SBB520 and SBB700 Dyes for higher sensitivity detection, only needing short exposure times.

  • An abstract representation of StarBright Blue secondary antibodies, featuring a grid of blue, red, and green squares in perspective on a light background.

    TidyBlot
    TidyBlot eliminates obstruction by denatured IgG heavy and light chains in western blots by only binding native nondenatured antibodies, producing publication-quality data.

To receive your discount, add the product from the list below, to your cart and enter promo code 30OFFSEC.

Can’t find the antibody you’re looking for? Contact us for a personalized quote.

Copy Promo code

30OFFSEC

to use at Checkout