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ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 2
BKCSDE 33(2)
February 20, 2012 

 
Title
Smartphone-based Chemistry Instrumentation: Digitization of Colorimetric Measurements
Author
Byoung-Yong Chang
Keywords
Colorimetric measurement, Smartphone, Snapshot technique, Mobile instrument, pH measurement
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.
Page
549 - 552
Full Text
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