Cisbio Bioassays offers an accurate immunoradiometric assay for FT3. The measurement range is wide: 0-77 pmol/L. The assay is based on the competition type principle and is carried out in serum.
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- FT3 RIA
Free triiodothyronine (FT3) radioimmunoassay kit
Features
- Working range: 0 ? 50 pg/mL (0 ? 77 pmol/L)
- Sample: serum ? 50 ?L
- Analytical sensitivity: 0.6 pg/mL (0.92 pmol/L)
Applications
- Diagnosis of thyroid dysfunction
- Assessment of the thyroid metabolism even in the presence of changes in the binding proteins
- Therapy monitoring in thyroxine replacement and in thyroid depressant treatment
Assay principle
RIA
Coated tubes
The principle of the assay is based on competition between 125iodine radiolabeled FT3 and FT3 contained in the samples for a fixed and limited number of anti-T3 polyclonal antibody binding sites adsorbed onto the tube walls.
*One-step assay procedure: 2h at RT / shaking.