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    Did you mean Radioimmunoassay?
    GlossaryRadioimmunoassay

    sensitive technique measuring substances using radioactive labels and antibodies

    Radioimmunoassay (RIA) is a sensitive laboratory technique used to measure the concentration of specific substances, such as hormones or drugs, in a sample. It involves creating a reaction between a radioactively labeled substance and an antibody, allowing for precise quantification based on the radioactivity detected. This method is highly accurate and widely used in medical diagnostics and research.

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