When excited by a light source, the fluorescent labels emit light of a different wavelength, which is then measured to determine the antigen concentration in the sample. FIA instruments are commonly used in medical diagnostics and research.
Antigen Detection: FIA instruments can accurately detect the presence or absence of specific antigens in a sample. By utilizing fluorescent labels on antibodies, they can bind to the target antigens and generate a measurable signal.
Quantification: FIA instruments provide quantitative measurements of antigen levels in a sample. By analyzing the intensity of fluorescence emitted by the labeled antibodies, they can determine the concentration of the target antigen, enabling precise measurement.
Sensitivity: FIA instruments exhibit high sensitivity, allowing for the detection of even low levels of antigens present in a sample. This sensitivity is crucial for early disease detection and monitoring.
Specificity: FIA instruments demonstrate high specificity in differentiating between different antigens. Through the use of specific antibodies and fluorescent labeling, they can accurately identify and distinguish the target antigens from others present in the sample.
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