Assay device with shared zones

Details Assay device with shared zones Assay device with shared zones

G - Physics

01

N

G01N 33/543 (2006.01) G01N 33/53 (2006.01) G01N 33/548 (2006.01) G01N 33/76 (2006.01) G01N 33/58 (2006.01)

Patent

CA 2638861

Disclosed is an assay device for determining the presence and/or extent of one or more analytes in liquid sample comprising: a) first and second assays each comprising a flow-path having a detection zone for immobilising a labelled binding reagent, wherein detection of a labelled binding reagent at one or both detection zones is indicative of the presence and/or extent of one or more analytes; b) a shared reference zone; c) one or more light sources to illuminate the detection zones and the reference zone; d) one or more photodetectors to detect light from the detection zones and the reference zone, which photodetector/s generate a signal, the magnitude of which signal is related to the amount of light detected; and e) signal processing means for processing signals from the photodetector/s.

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