摘要 |
The inventive subject matter relates to a competitive method for the diagnosis of latent infectious disease, such as Mycobacterium tuberculosis, by estimating, the concentration of cytokine, such as interferon-gamma produced by stimulated immune cells, collected from whole blood, by Fluorescence Polarization (FP), Fluorescence Resonance Energy Transfer (FRET) or Fluorescence Lifetime (FLT) due to antibody-cytokine interaction or by dimerization of the cytokine.
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