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Comparison of Some Modern IT Equipment as Detectors for Microfluidic Paper-based Determination of Phosphate
Paper Type  |
Contributed Paper |
Title |
Comparison of Some Modern IT Equipment as Detectors for Microfluidic Paper-based Determination of Phosphate |
Author |
Wasin Wongwilai [a], B. Manori Jayawardane [b], Spas D. Kolev [b], Kate Grudpan [a] and Ian D. McKelvie*[b,c] |
Email |
iandm@unimelb.edu.au |
|
Abstract: Modern Information Technology (IT) and communications equipment
(mobiles phones, scanners, etc) may all be used as image capture devices for paper-based colorimetric analysis. This paper evaluates the use of a mobile phone, a webcam, a flatbed scanner and a handheld scanner as image capture devices for colorimetric determination of reactive phosphate using microfluidic paper-based analytical devices as the analytical platform. All four image capture devices tested gave similar analytical sensitivity and limits of detection (0.5-0.6 mg L-1 as P), although the handheld scanner and webcam exhibited non-linear responses over the range of concentrations tested, making them less suitable for field applications.
The repeatability of the two scanners (<14% RSD) was superior to that of the mobile phone and webcam (ca 25% RSD). The flatbed scanner gave the best overall analytical performance. |
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Start & End Page |
176 - 182 |
Received Date |
2015-04-30 |
Revised Date |
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Accepted Date |
2015-06-06 |
Full Text |
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Keyword |
modern information technology devices, RGB colour space, microfluidic paper-based analytical device (mPAD), phosphate determination |
Volume |
Vol.43 No.1 (JANUARY 2016) |
DOI |
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Citation |
[a] W.W., [b] B.M.J., [b] S.D.K., [a] K.G., McKelvie*[b I.D. and C] , Comparison of Some Modern IT Equipment as Detectors for Microfluidic Paper-based Determination of Phosphate, Chiang Mai Journal of Science, 2016; 43(1): 176-182. |
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