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Computer screen illumination for the characterization of colorimetric assays
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
2003 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, E-ISSN 1873-3077, Vol. 96, no 1-2, 173-179 p.Article in journal (Refereed) Published
Abstract [en]

Colorimetric evaluation of samples sorted in a two-dimensional (2D) array is performed with a computer screen used as a controlled light source and a web camera as detector. The transmittance profiles are predicted with a 12 parameters model within errors of 5 or 10% for qualitative or semi-quantitative purposes, respectively. The use of random colour illumination additionally enables robust acquisition with only 50 snap-shots (in less than 1min) that contains the information of the whole array, independently of the number of samples. © 2003 Published by Elsevier B.V.

Place, publisher, year, edition, pages
2003. Vol. 96, no 1-2, 173-179 p.
Keyword [en]
(Bio)chemical images, Colorimetric assays, Photo-assisted sensing
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46431DOI: 10.1016/S0925-4005(03)00523-9OAI: oai:DiVA.org:liu-46431DiVA: diva2:267327
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Filippini, DanielLundström, Ingemar

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