Protein Purification Reagents and Kits | Thermo Fisher Scientific

Learn More Protein Mass Spectrometry Analysis

Use our products designed for mass spectrometry workflows and applications, including protein (peptide) quantitation, sample preparation, instrument calibration and QC, and plasma protein binding assays.

Learn More Protein Labeling and Crosslinking

We offer a portfolio of protein crosslinking, modifying and labeling products, including amine-to-amine and amine-to-sulfhydryl crosslinkers, biotinylation reagents, and peg labeling products.

Learn More Pierce Protein Biology

Learn More Fluorescent Protein Labeling

Find reagents and kits for fluorescent protein labeling with Alexa Fluor dyes, FITC, Texas Red, Qdot nanocrystals, and more.

Learn More Protein Biology

Detect, measure and analyze protein expression, identity, and function using our portfolio of Protein Biology products, including Pierce antibodies; SuperSignal chemiluminescent substrates; Novex gels; BCA and other protein assays; and the rest of our portfolio of protein biology research tools and reagents.

Learn More By Sample Type

Whether you’re starting with cultured cells or or tissue samples, or working with plants, bacteria, or mammalian cells, Ambion® RNA extraction reagents and kits offer the right product for your research. The Ambion® brand includes legacy Invitrogen™ products such as trusted TRIzol Reagents and PureLink® purification kits, alongside premier Ambion® products such as Cells-to-CT™, MagMAX™, and RNAlater® kits and reagents.

Learn More Stem Cell Analysis

Whether analyzing proliferation, protein levels, gene expression, or epigenetic profiles, we have the instruments, products, and services to support your research.

Learn More Vaccine Development

Thermo Fisher Scientific offers a comprehensive suite of vaccine development and production solutions to support your SARS-CoV-2 vaccine research.

Learn More Overview of Detection Probes

List of multiple different types of molecules that are commonly used to detect a specific molecule of interest.

Learn More Shop All Products

Shop online for the largest selection of lab reagents, lab equipment and instruments including antibodies and immunoassays, cell culture and transfection reagents, oligos, cloning, gene synthesis, qPCR assays, master mixes, sequencing kits and more. Your one stop shop open 24/7.

Learn More Overview of Post-Translational Modification

Overview of the different types of post-translational modifications (PTMs) of proteins.

Learn More Antibody Production

Thermo Scientific Pierce Custom Antibody Services offer customized production of monoclonal and polyclonal antibodies with peptide design and project tracking.

Learn More Sample Types

Learn how Thermo Fisher Scientific helps cancer researchers analyze sample types or specific cancer biomarkers for generating data about solid tumor attributes.

Learn More Antibody Labeling and Immobilization Sites

A review of the sites (primary amines, sulfhydryls, carbohydrate moieties) on antibodies that are available for labeling with enzymes, fluorophores or biotin, or for immobilization to solid support.