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Wireless paper-based biosensor reader for the detection of infectious diseases at the point of care

A handheld wireless optical reader for the detection of infectious diseases at the point of care is presented. The device is battery powered and interfaces with paper-based biosensors for the quantification of concentration in biological fluids using colorimetric analysis. The results are wirelessly transmitted to a smartphone. The device has been successfully tested with various concentrations of Influenza A nucleoprotein.