Study proteins in their cellular context: detect, measure, and explore protein expression, identity, and function using Thermo Scientific™ Protein Biology products.

Researchers look to us for innovative, high-quality products, which include our Thermo Scientific™ Pierce antibody collection, SuperSignal™ chemiluminescent substrates, 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.

Popular products

SuperSignal™ Chemiluminescent Substrates
BCA & Other Protein Assays
Protein Ladders
Slide-A-Lyzer™ Dialysis Cassettes
Cell Lysis Reagents
myECL™ Imager

Key applications


Specific polyclonal and monoclonal antibodies to purify and detect virtually any protein, plus secondary antibodies for high sensitivity detection.

Western Blotting

Western blot reagents, detection substrates, blocking buffers, and secondary antibody conjugates.

Protein Assays & Analysis

Protein quantitation and activity assays, Western blotting and ELISA reagents, and immunoprecipitation tools.

Protein Purification & Isolation

Beads and resins for the purification of proteins and other target molecules, plus inhibitors, detergents, and specialized reagents designed for a variety of cell and tissue types.


Immunoprecipitation (IP), co-immunoprecipitation (Co-IP), and pull-down assay reagents and magnetic beads for antibodies or other protein affinity systems.

Protein Labeling & Crosslinking

Reagents to label and crosslink proteins and antibodies for protein detection, and studying protein function and interactions..

Mass Spec Analysis

Reagents and kits for peptide and protein analysis (proteomics) by mass spectrometry (MS) and high-pressure liquid chromatography (HPLC).

Protein Gel Electrophoresis

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

Protein Expression

Vectors and reagent kits for high-fidelity, cell-free, human in vitro translation (human protein expression) and luciferase assays based on spectrally distinct luciferase reporters.

Peptides & Purified Proteins

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

We can supply a variety of Pierce™ products, compounds, devices and resins for your large-scale and custom applications.

Request bulk or custom protein biology products