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Agarose microbeads that serve as single enzyme-linked immunosorbent assay (ELISA) reactor sensors (a) are arrayed in microchips (b) assembled into a disposable microfludic cassette that can be inserted into an analyzer (d) for automated assay execution and processing of image data acquired within this optical sensor (Modified from Jokerst et al. Nanomedicine, 2010 24).
