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An improved radioimmunoassay for human ovarian tumor antigen NB/70K

S Knauf, P Taillon-Miller

    Gynecologic Oncology
    |September 1, 1984
    PubMed

    An improved assay for the measurement of human ovarian tumor antigen NB/70K (triton NB/70K assay) has been developed. This assay makes the accurate and reproducible estimation of serum NB/70K possible. Freezing and thawing of serum up to three times or refrigeration of diluted serum up to 7 days does not significantly alter the NB/70K levels detected by the triton NB/70K assay. NB/70K levels in different volumes of the same sample showed a linear relationship to volume, with a correlation coefficient usually above 0.98.

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