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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 3 — Apr. 4, 2013

Predefinable colorimetric quantum-dot barcodes with simple and express identification algorithm

Bo Wu and Hai-Qing Gong  »View Author Affiliations


Applied Optics, Vol. 52, Issue 4, pp. 866-870 (2013)
http://dx.doi.org/10.1364/AO.52.000866


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Abstract

Specific fluorescent profiles were created by loading quantum-dot (Qdot) mixtures in liquid cores of monodispersed polymer microcapsules, which were used as colorimetric barcodes for small object identification. Since the emission intensities of Qdot-loaded liquid cores maintain a linear relation to the Qdot concentrations and the Qdots in the liquid cores with different emission peaks have no obvious interference, the colorimetric barcodes can be predefined by the compositions of Qdot mixtures. The colorimetric barcodes can be identified easily by recording the emission intensities of the encoded microcapsules at respective Qdot emission peaks with a simple and express algorithm, which are suitable to conduct high-throughput multiplexed assays by flow cytometer for biological screening applications.

© 2013 Optical Society of America

OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(160.2540) Materials : Fluorescent and luminescent materials
(230.0040) Optical devices : Detectors

ToC Category:
Optical Devices

History
Original Manuscript: September 11, 2012
Revised Manuscript: November 26, 2012
Manuscript Accepted: December 22, 2012
Published: February 1, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Bo Wu and Hai-Qing Gong, "Predefinable colorimetric quantum-dot barcodes with simple and express identification algorithm," Appl. Opt. 52, 866-870 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-4-866


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