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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 8 — Jul. 30, 2009

Development of a quantitative optical biochip based on a double integrating sphere system that determines absolute photon number in bioluminescent solution: application to quantum yield scale realization

Ramiz Daniel, Ronen Almog, Yelena Sverdlov, Sharon Yagurkroll, Shimshon Belkin, and Yosi Shacham-Diamand  »View Author Affiliations


Applied Optics, Vol. 48, Issue 17, pp. 3216-3224 (2009)
http://dx.doi.org/10.1364/AO.48.003216


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Abstract

We report a new design of an optical biochip based on a double integrating sphere system to quantify the absolute number of the emitted photons or the total photon flux by a whole cell bioluminescent biosensor, for water toxicity detection, based on genetically engineered Escherichia coli bacteria carrying a recA::luxCDABE promoter–reporter fusion. The new design of the double integrating sphere system does not require any external standard light source for calibration of the tested bioluminescent solution and allows a direct determination of the total photon flux of the bioluminescent solution. In our design, we required that the two spheres are symmetric (have the same radius and reflectance) with a surface area larger than the cut cap area between the spheres.

© 2009 Optical Society of America

OCIS Codes
(080.2720) Geometric optics : Mathematical methods (general)
(170.2945) Medical optics and biotechnology : Illumination design

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: January 2, 2009
Revised Manuscript: March 12, 2009
Published: June 5, 2009

Virtual Issues
Vol. 4, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Ramiz Daniel, Ronen Almog, Yelena Sverdlov, Sharon Yagurkroll, Shimshon Belkin, and Yosi Shacham-Diamand, "Development of a quantitative optical biochip based on a double integrating sphere system that determines absolute photon number in bioluminescent solution: application to quantum yield scale realization," Appl. Opt. 48, 3216-3224 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-48-17-3216

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