IJBET 2017 Volume 6 Issue 5
International Journal of BioEngineering and Technology (IJBET) ISSN: 0976 - 2965
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Colour Based Detection in Clinical Diagnostic Methods Using a Portable and Simple Instrument. S.Ananthi, A.Deepa and K.Padmanabhan. IJBET (2017), 6(5):38-43
Colour Based Detection in Clinical Diagnostic Methods Using a Portable and Simple Instrument
Authors & Affiliation:
S.Ananthi1, A.Deepa2 and K.Padmanabhan3
1 Associate Professor, Department of Network Systems and Information Technology, University of Madras, India.
2 A.Deepa, Research Scholar, Department of Network Systems and Information Technology, University of Madras, India.
3 K.Padmanabhan, Emeritus Professor, A.C College of Technology, Anna University, Chennai, India.
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The paper describes a colour indicating instrument using a simple RGB sensor and a microcontroller. It can sense colour quantitatively and hence can be useful for colour based reagent added clinical diagnostic tests. Where colour is used for estimation of results in such tests, visual observation gives a rough estimate, while spectrophotometric observation would yield more precise results. In this instrument, even with the simple sensor, using extensive software based on colour theory involving the C.I.E. Chromaticity diagram has helped precise estimation of colour from test solutions. The evaluation testing was done using coloured objects and the instrument could indicate the colour value in hue and purity, so that comparisons between observations of tests conducted can be more accurate.
Key words: Clinical Colour identification, Colour changing bio-reactions, Provotech colour sensor, Hue, Saturation of Colours.