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Journal of Biomedical Optics

High-resolution photonic bandgap fiber-based biochemical sensor
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Paper Abstract

The use of photonic bandgap fibers (PBGF) for biomedical sensing has been demonstrated. The demonstrated PBGF has a blue wavelength shift of 280 nm in the falling photonic bandgap edge (PBE) when the ambient refractive indices inside the holey region change from 1.333 to 1.39, which agrees well with the analytical prediction. Combining this with the knowledge of immobilization techniques and biorecognition elements could open up a new class of PBGF-based label-free biosensors. A sensitivity on the order of 0.1 nmol/L could be achieved by consuming less than 1 μL of sample.

Paper Details

Date Published: 1 July 2007
PDF: 6 pages
J. Biomed. Opt. 12(4) 044022 doi: 10.1117/1.2753439
Published in: Journal of Biomedical Optics Volume 12, Issue 4
Show Author Affiliations
Jian Sun, Nanyang Technological Univ. (Singapore)
Chi-Chiu Chan, Nanyang Technological Univ. (Singapore)
Xinyong Dong, Nanyang Technological Univ. (Singapore)
Ping Shum, Nanyang Technological Univ. (Singapore)

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