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Laboratory:Akiruno

5α dihydrotestosterone(Suspended beyond orders placed 12-05-2019)

  • TEST NAME SPECIMEN
    REQUIREMENT
    (mL)
    CONTAINER CAP COLOR STORE
    TEMPERATURE
    (STABILITY)
    TURNAROUND
    TIME (DAY)
    METHODOLOGY REFERENCE RANGE
    (UNIT)
  • INACTIVE
    5α dihydrotestosterone(Suspended beyond orders placed 12-05-2019)
    Serum
    1.2
    S09

    A00
    Freeze
    8-14 RIA ammonium sulfate salting out method

    RIA (Radio immunoassay)
    Radioimmunoassay
    A method to perform the competitive antigen-antibody reaction between the antigen labeled with radioisotope (RI) against the antibody and the antigen in the specimen, and to separate the labeled antigen bound to the antibody (bound type: Bound) from the labeled antigen not bound to the antibody (free type: Free) and to measure the ratio of them as the antigen concentration from the radioactivity.
    As separation methods for bound and free types (B/F separation), there are the solid-phase method in which the antibody is solid-phased, the two-antibody method in which a second antibody is bound to the antigen-antibody complex and precipitated, the ammonium sulfate precipitation method in which the antigen-antibody complex is precipitated with ammonium sulfate (ammonium sulfate), and the PEG method in which the antigen-antibody complex is precipitated with a precipitation reagent.

    M0.20-1.00
    F0.05-0.30
    (ng/mL)

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