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Primary antibodies can be monoclonal or polyclonal depending on how they are developed. A polyclonal antibody is derived from a collection of B cells and can recognize multiple epitopes on the same antigen. In contrast, a monoclonal antibody is produced from a single B cell and can recognize only one unique epitope.
Primary antibodies directly bind to specific antigens in a tissue or sample. They are useful for detecting, measuring and purifying proteins or biomolecules in applications such as ELISA, flow cytometry, western blotting or immunohistochemistry. Primary antibodies can also be conjugated to reporter enzymes or fluorophores to aid detection or quantification of the target proteins.
For research applications, primary antibodies are often used in combination with reagents and buffers. Bio-Rad offers over 11,000 high quality antibodies and reagents to help you achieve your research goals. Browse below by research area, application, product type or target species to find the right primary antibody or reagent for your experiment.
Unsure about what reagent you need for your experiments? Our product finder can help you find the optimal reagent.
Find the best reagents, protocols and tips for your ELISA, Flow Cytometry, IF, IHC and WB experiments in one click.
Quickly search for antibodies detecting your desired protein in your species of interest.
Antibodies for studying dendritic cells, macrophages, monocytes, NK cells, complement proteins.
Antibodies for innate and adaptive immune cells, including cell surface molecules, receptors, cytokines, chemokines, immune regulation and veterinary antibodies.
Veterinary antibodies & associated conjugates available including livestock, domestic animals, avian, primates.
Antibodies, kits and reagents to assess viability, proliferation, autophagy and apoptosis to determine the health of your cells.
Antibodies covering key research areas such as cellular morphology and cellular structures.
Antibodies, proteins and other reagents for all your cancer research needs.
Antibodies and kits for identifying key stages of cell death.
Our microbiology product range includes primary antibodies and antigens (mostly recombinant) suitable for ELISA and WB.
Antibodies for myelin basic protein and the highly referenced microglia marker, F4/80.
V5 antibodies, His-6 antibodies, c-myc antibody and DYKDDDDK tag monoclonal antibodies in different pack sizes.
Antibodies for use in stem cell research in particular hematopoietic, mesenchymal and endothelial stem cells.
Antibodies and kits to detect and measure cell proliferation.
We can also help you to choose the right secondary antibody. Our reagents have been carefully selected to provide optimum quality and flexibility.
The western blotting experts at Bio-Rad have joined forces with the antibody experts at Bio-Rad to develop PrecisionAb Antibodies.
These premium antibodies for western blotting provide superior performance and reproducibility to help you produce the highest-quality western blotting data.
Antigen selection to antibody production, purification, isotyping, conjugation, storage & assay development.
Buffers for cell permeabilization, blocking reagents for ELISA & WB, isotyping kits, mycoplasma detection reagents.
We offer two methods for investigating cell growth and cell proliferation: alamarBlue & BrdU kits and antibodies.
Access our handy tool to select the relevant tissue-specific isotype control for your experiment.