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Polyclonal antibodies (PAbs) are obtained using a mixture of immunoglobulin molecules secreted against a specific antigen, each recognizing a different epitope making them more tolerant to small changes in the structure of the antigen. PAbs are preferable for neutralization because they target a variety of specific epitopes of a particular antigen.

PBL's PAbs are available for use in a range of applications including ELISA, neutralization assays, western blotting, flow cytometry, immunoprecipitation and immunohistochemistry.

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Polyclonal Antibodies to Interferons Species