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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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.
|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
|Date Deposited:||30 Jan 2008|
|Last Modified:||28 Mar 2014 15:16|
NanoPhotonics Portfolio Partnership
Funded by: EPSRC (EP/C511786/1)
October 2004 to December 2009
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