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We offer optimized reagents and kits based on immobilized papain, pepsin, and ficin proteases to selectively cleave IgG and IgM immunoglobulin molecules into Fab, Fab′, F(ab′)2 and Fc antibody fragments for use in immunodetection and immunoassay procedures.

Fab preparation kits

Digest human or mouse IgG antibodies with immobilized papain protease and purify Fab fragments using Protein A agarose.

Catalog # Name Size Price (USD) Qty
44685 Pierce™ Fab Micro Preparation Kit Each
570.00
44985 Pierce™ Fab Preparation Kit Each
774.00

F(ab′)2 preparation kits

Selectively digest whole human and other IgG antibodies with immobilized pepsin protease to make F(ab′)2 fragments that retain antigen binding activity.

Catalog # Name Size Price (USD) Qty
44688 Pierce™ F(ab')2 Micro Preparation Kit Each
533.65

Online exclusive

570.00
Save 36.35 (6%)
44988 Pierce™ F(ab')2 Preparation Kit Each
683.65

Online exclusive

766.00
Save 82.35 (11%)

Production-FAbs-FAb2-fragments-intact-mouse-IgG1-Ficin
Production of Fab or F(ab′)2 fragments from intact mouse IgG1 using ficin

Mouse IgG1 Fab and F(ab′)2 preparation kits

Efficiently digest mouse IgG1 antibodies into Fab or F(ab′)2 fragments with immobilized ficin protease.


Bulk Quantities and Custom Products

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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Biomarker quantitation assay guide

This 72-page guide provides detailed information about different tools for protein and RNA quantitation. Download this valuable technical resource that covers technologies useful for cancer and inflammation research, immunology, neurology and more. Learn more about how antibody pairs, ELISA kits, and multiplex kits for the Invitrogen Luminex platform may help advance your research.

Download the Biomarker quantitation assay guide

Biomarker quantitation assay guide cover

For Research Use Only. Not for use in diagnostic procedures.