Accurate and sensitive protein quantitation of proteins is key to most experiments. We offer a variety of reagents and devices to detect and quantify proteins—from total protein determination to western blotting and immuno-based assays.

Popular protein assays & analysis products

iBlot 2 Gel Transfer Device
Pierce BCA Assays

Featured protein assays & analysis categories

BCA and other assay reagents, kits and standards to determine total protein concentration of samples containing different buffer components

Kits, reagents, and devices, including iBlot® 2 dry blotting system, SuperSignal™ chemiluminescent substrates, iBind™ Western system for sensitive and robust western blotting

Precast gels, running buffers, molecular weight markers, and gel stain for sample preparation, loading, and analysis when studying proteins by electrophoresis (SDS-PAGE)

Dynabeads® magnetic reagents for small-scale protein isolation and agarose-based beads for large-scale applications, including immunoprecipitation (IP) and co-immunoprecipitation (co-IP)

Enzyme-linked immunosorbent assays, kits, and reagents for accurate quantitation of intracellular or extracellular proteins by immunoassays using antibody pairs

Immunoassays using antibody pairs for multi-analyte analysis allowing simultaneous analysis of multiple markers in one sample, saving time, money, and sample

Reagents and assays for detecting enzyme activity by absorbance, fluorescence, or chemiluminescence

Reagents, vectors, and kits for expressing and detecting a variety of reporter genes

Human protein microarrays for profiling of immune response biomarkers, small molecules, enzyme substrates, antibody specificity, and protein-protein interactions

Characterizing protein-protein interactions through methods such as co-immunoprecipitation (co-IP), pull-down assays, yeast two hybrid (Y2H), phage display, cross-linking, and label transfer


Partner with us to scale-up your process or product development pipeline with bulk quantities of high-quality immunoassay reagents and biochemicals. We offer a variety of compounds, devices, and resins for your large-scale applications.

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