Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Smartphone-based Chemistry Instrumentation: Digitization of Colorimetric Measurements

  • Received : 2011.10.10
  • Accepted : 2011.12.12
  • Published : 2012.02.20
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Abstract

This report presents a mobile instrumentation platform based on a smartphone using its built-in functions for colorimetric diagnosis. The color change as a result of detection is taken as a picture through a CCD camera built in the smartphone, and is evaluated in the form of the hue value to give the well-defined relationship between the color and the concentration. To prove the concept in the present work, proton concentration measurements were conducted on pH paper coupled with a smartphone for demonstration. This report is believed to show the possibility of adapting a smartphone to a mobile analytical transducer, and more applications for bioanalysis are expected to be developed using other built-in functions of the smartphone.

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