FT4, RIA CT, 100 tests

The radioimmunoassay of free thyroxine (T4) is a competition assay based on the principle of labeled antibody. Samples and calibrators are incubated with 125I-labeled monoclonal antibody specific for T4, as tracer, in the presence of a biotinylated analog of thyroxine (ligand) in avidin-coated tubes. There is competition between the free thyroxine of the sample and the ligand for the binding to the labeled antibody. The fraction of antibody complexed with the biotinylated ligand binds to avidin-coated tubes. After incubation, the content of tubes is aspirated and bound radioactivity is measured. A calibration curve is established and unknown values are determined by interpolation from the curve.

Catalog # KIPB1363
Format RIA CT
Label I125
Size 100 tests
Sample Type Serum, Plasma
Sample Volume 25 µL
Controls 1 level
Range 2,6-83 pmol/L
Sensitivity 0,4 pmol/L
Incubation 1h at RT with shaking
Shelf Life (weeks) 8

For registration requirements in countries outside of European market, please contact regulatory.affairs@diasource.be.

Documents - Download
Download "Instructions for Use" KIPB1363.pdf
Download "Material Safety Data Sheet" MSKIPB1363.pdf
Download catalogue "RIA" CATRv2201.pdf
Download RIA Availability Calendar
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DIAsource ImmunoAssays (formerly BioSource), experienced diagnostic manufacturer of RIA-ELISA-LIA immunoassays, validation on automates, large scale production of Antibodies-Point of Care Tests.

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