The enzyme linked immunosorbent assay (ELISA) is a very common, robust technique for detecting various analytes. It spawned a broad range of immunoassays that utilize either wash or no-wash workflows using colorimetric, fluorometric, luminometric, TRF or TR-FRET, AlphaScreen and AlphaLISA detection technologies. Some of these latter technologies utilize low volume analysis in 1536-well plates, yet ELISA performed in 96-well microplates remains the most used immunoassay technique. The ELISA technique causes formation of specific immune complexes that are easily measured using the Agilent BioTek single or multimode microplate readers. The basic building blocks of an ELISA reaction are:

ELISA process



Application Notes


Technical Notes




Application Bulletins


Learn more about ELISA  – see our applications and technical documentation in Resources.


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