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now offering over 100,000 antibodies, antigens, and biochemicals

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Antibodies
The largest collection of antibodies you'll find anywhere keeps growing.
Molecular Biology

• Antibody Selection:
United States Biological supplies tens of thousands of antibodies ranging from antibodies to actin to antibodies to zinc finger. We add hundreds of new specificities every week. Find your antibody:
Antibody Categories

• Validation:
You need an antibody that will work in your application. Our antibodies are stringently tested in a variey of applications including Immunohistochemistry, ELISA, Immunocytochemistry, Western Blot, Immunoprecipitation, and Flow Cytometry.
Protocols

Expert Support:
USBio's scientists have had decades of experience in planning and trouble-shooting lab experiments. We maintain a growing Technical Database on our website, with complete documentation for all of our antibodies.
Technical Support


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p53 BioAssay™ ELISA Kit

For the quantitative determination of wild-type and mutant p53 in human, mouse and rat samples.