Primary Antibodies

Biotium Choice Antibodies

Access rigorously validated monoclonal antibodies for flow cytometry and beyond—available in a range of CF® Dyes and other probes for optimal performance.

Primary Antibodies for Cancer Research

Drive diverse cancer research with high-performance antibodies, targeting key solid tumor and hematologic markers—available with a wide range of labels.

Primary Antibodies for Organelles

Target a broad range of organelle markers with primary antibodies against the mitochondria, Golgi apparatus, nucleus, and more, labeled with CF® Dyes, biotin, or purified.

Primary Antibodies for Exosomes/EVs

Fuel extracellular vesicle (EV) research with validated and optimized primary antibodies against key exosome markers, including the tetraspanin proteins CD9, CD63, and CD81.

Primary Antibodies for Microbiology

Advance microbial research with highly specific antibodies against bacterial, viral, and fungal targets, available in various dye colors and labels.

Primary Antibodies for Neuroscience

Choose from a wide range of highly specific monoclonal antibodies conjugated to ultra-bright CF® Dyes or other labels to power your neurological research.

Anti-Human Immunoglobulin

Target human IgG, IgA, and IgM with highly specific antibodies—available purified or conjugated to CF® Dyes or biotin for diverse research applications.

Isotype Controls

Have confidence in your results with non-reactive negative controls, available with a wide range of labels for Western blot, flow cytometry, ELISA, and more.

Antibody Finder

Find the perfect antibody product with our advanced search tool—filter by target, host, conjugate, cross-adsorption, and more to match your research needs.