Superimposed nano-scale diffraction gratings as high capacity barcodes for biological and chemical applications. [In special issue: Optics in Life Sciences]


Birtwell, S.W., Galitonov, G.S., Morgan, H. and Zheludev, N.I. (2007) Superimposed nano-scale diffraction gratings as high capacity barcodes for biological and chemical applications. [In special issue: Optics in Life Sciences]. Optics Communications, 281, (7), 1789-1795. (doi:10.1016/j.optcom.2007.04.066).

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Description/Abstract

We describe a new non-contact high capacity optical tagging technique for bead based assays, based on the use of nanostructured barcodes. The tags are generated from a number of superimposed diffraction gratings. With one-dimensional diffraction, capacity for up to 68,000 distinguishable tags has been demonstrated, with a theoretical capacity of up to 10 tags.

Item Type: Article
ISSNs: 0030-4018 (print)
Related URLs:
Keywords: diffraction gratings, optical barcodes, biological applications, combinatorial chemistry
Subjects: Q Science > QH Natural history > QH301 Biology
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 50215
Date Deposited: 30 Jan 2008
Last Modified: 28 Mar 2014 15:16
Projects:
NanoPhotonics Portfolio Partnership
Funded by: EPSRC (EP/C511786/1)
October 2004 to December 2009
URI: http://eprints.soton.ac.uk/id/eprint/50215

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