Easily extract, purify, clean up, and concentrate your proteins of interest with our kits, reagents, and devices. These products are optimized for a wide range of tissue and cell types and compatible with a broad range of protein purification resins and formats, which offer more choices and better protein recovery. Desalt, buffer exchange, and remove small molecular weight contaminants with secure dialysis devices or efficient desalting spin columns.

Popular protein purification & isolation products

Slide-A-Lyzer™ Dialysis Cassettes
Protease and Phosphatase Inhibitors
HisPur Resins

Featured protein purification & isolation categories

Resins for specific purification of proteins and other target molecules, kits for immunoprecipitation (IP), activated resins for covalent immobilization of ligands, and columns for packing affinity resins

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 

Dialysis cassettes, desalting columns, concentrators, and other buffer-exchange devices for removing contaminants and concentrating samples to prepare them for long-term storage or to make them compatible with downstream applications

Protease and phosphatase inhibitors, cocktails, and tablets—ideal for the protection of proteins during extraction or lysate preparation from primary cells, cultured mammalian cells, animal tissues, plant tissues, yeast, or bacterial cells

Protein expression systems, including algae, bacterial, mammalian, insect, and yeast expression vector systems that are easy to use and deliver protein at high yield, and are suitable for nearly every downstream application.


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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. 

Complete request form


Pierce Protein Methods Library
Western Freedom