Smartphone instrument for portable enzyme-linked immunosorbent assays.

  title={Smartphone instrument for portable enzyme-linked immunosorbent assays.},
  author={Kenneth D. Long and Hojeong Yu and Brian T. Cunningham},
  journal={Biomedical optics express},
  volume={5 11},
We demonstrate the utilization of a smartphone camera as a spectrometer that is capable of measuring Enzyme Linked Immunosorbent Assays (ELISA) at biologically-relevant concentrations with the aid of a custom cradle that aligns a diffraction grating and a collimating lens between a light source and the imaging sensor. Two example biomarkers are assayed using conventional ELISA protocols: IL-6, a protein used diagnostically for several types of cancer, and Ara h 1, one of the principle peanut… CONTINUE READING
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