New pricing — Effective July 1, 2022 -

Amidst rising costs across all areas of our business, and aggressive attempts to implement cost savings without sacrificing quality, we announce the need to implement a cost increase starting July 1, 2022. If you have questions, please contact your sales representative.

Primary Antibodies: Find Your Antibody of Interest

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Find your antibody of interest using the search tool below.

Browse all primary antibodies

Novus Biologicals offers a wide range of polyclonal and monoclonal primary antibodies including recombinant rabbit monoclonal antibodies for use in various applications including Flow Cytometry, Western Blot, ELISA, ICC and IHC. Our antibodies have been referenced in thousands of publications and are backed by our 100% guarantee.

Primary Antibody Categories

Browse monoclonal antibodies from Novus Biologicals

Monoclonal Antibodies

Choose from over 25,000 monoclonal antibodies, including rabbit, rat, and mouse monoclonals.

Browse polyclonal antibodies from Novus Biologicals

Polyclonal Antibodies

Choose from over 50,000 polyclonal antibodies, including rabbit, goat, and mouse polyclonals.

Browse Recombinant Antibodies from Novus Biologicals

Recombinant Antibodies

Browse recombinant monoclonal antibodies to more than 1,600 unique targets, designed to decrease variability and increase reproducibility.

Browse Knockout (KO) Validated Antibodies from Novus Biologicals

Knockout (KO) Validated Antibodies

Choose from our selection of over 400 KO validated antibodies with confirmed specificity.

Browse conjugated primary antibodies from Novus Biologicals

Conjugated Primary Antibodies

Browse primary antibodies that are directly conjugated to over 40 unique fluorescent dyes or reporter enzymes.

Browse sample size antibodies from Novus Biologicals

Sample Size Antibodies

Find a primary antibody in a sample size to test it before purchasing a larger quantity.

Browse loading control antibodies from Novus Biologicals

Loading Control Antibodies

Browse loading control antibodies to ensure equal loading of a gel in western blot.

Browse cell marker antibodies from Novus Biologicals

Cell Marker Antibodies

Find a primary antibody to identify cell markers, organelle markers, or subcellular localization .

Hear from our Novus customers in this testimonial video

Novus handbooks and guides

Primary Antibody Programs

Antibody Guarantee

We guarantee that every antibody we sell will work in the application and species listed.

Risk-free Testing

Try a primary antibody in an untested species or application without the financial risk of failure.

New Lab Program

Receive 20% off for 3 months and a new a kit full of useful lab tools.

Antibody Rewards Program

Review a primary antibody and earn rewards, including Amazon gift cards and product discounts.

Learn More About Antibody Characteristics