Detect, measure, and analyze protein expression, identity, and function using our portfolio of protein biology products.

Researchers look to us for innovative, high-quality products, which include our Thermo Scientific™ Pierce™ antibody collection; SuperSignal™ chemiluminescent substrates; Novex® gels; BCA and other protein assay and analysis reagents; Slide-A-Lyzer™ dialysis cassettes; cell lysis reagents; mass spectrometry sample prep and quantitation reagents; western blotting reagents and instruments; crosslinking and labeling reagents; and the rest of our portfolio of protein biology research tools and reagents.

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Popular protein biology products

SureCast Handcast System
Protein concentrators
Mass Spec Calibration Solutions

Featured protein biology categories

Specific polyclonal and monoclonal antibodies to probe, stain, locate, purify, and detect virtually any protein, plus secondary antibodies conjugated to an extensive array of fluorescent and enzymatic labels for high-sensitivity detection

Protein quantitation and activity assays, Western blotting, Luminex® assays, enzyme reporter assays, ELISA reagents, and immunoprecipitation tools

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

Western blot reagents and instruments, chemiluminescent, colormetric, and fluorescent detection substrates, blocking buffers, and secondary antibody conjugates

Multitude of protein expression systems, including algae, bacterial, mammalian, insect, and yeast expression vector systems, that are easy to use and deliver high protein yields for every downstream application

Agarose beads and other resins for specific purification of proteins and other target molecules, specialized reagents designed for efficient organelle isolation and subcellular fractionation and protein solubilization, protease and phosphatase inhibitors

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

Specialized reagents designed for efficient organelle isolation, subcellular fractionation and protein solubilization from a variety of cell and tissue types, protease inhibitors, phosphatase inhibitors, and detergents 

Labeling and modifying reagents to label and crosslink proteins and antibodies for studying protein function and interactions and detecting proteins in tissues, cells, or biochemical assays

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

Reagents and kits for peptide and protein analysis (proteomics) by mass spectrometry (MS) and high-pressure liquid chromatography (HPLC), including sample prep tools, mass-tagging (TMT) and isotope labeling (SILAC) kits

Combine power, versatility, and convenience in a safe, compact, easy-to-use benchtop centrifuges.

Custom peptide synthesis of individual peptides, peptide libraries and heavy peptides for antibody preparation, drug discovery, epitope mapping and quantitative mass spectrometry


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.

Please click on the button below to fill out our bulk and custom ordering form. 

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