ELISpot

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The enzyme-linked immunosorbent spot (ELISpot) is a type of assay that focuses on quantitatively measuring the frequency of cytokine secretion for a single cell. The ELISpot Assay is also a form of immunostaining since it is classified as a technique that uses antibodies to detect a protein analyte, with the word analyte referring to any biological or chemical substance being identified or measured.

The FluoroSpot Assay is a variation of the ELISpot assay. The FluoroSpot Assay uses fluorescence in order to analyze multiple analytes, meaning it can detect the secretion of more than one type of protein.