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https://hdl.handle.net/2440/78463
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Type: | Conference paper |
Title: | Lanthanide upconversion nanocrystals within microstructured optical fibres; A sensitive platform for biosensing and a new tool for nanocrystal characterisation |
Author: | Schartner, E. Jin, D. Ebendorff-Heidepriem, H. Piper, J. Monro, T. |
Citation: | Third Asia Pacific Optical Sensors Conference / J. Canning, G. Peng (eds.):83512Q |
Publisher: | SPIE |
Issue Date: | 2012 |
Series/Report no.: | Proceedings of SPIE ; 8351 |
ISBN: | 9780819490278 |
ISSN: | 0277-786X 1996-756X |
Conference Name: | Asia Pacific Optical Sensors Conference (3rd : 2012 : Sydney, Australia) |
Editor: | Canning, J. Peng, G.D. |
Statement of Responsibility: | E P Schartner, D. Jin, H. Ebendorff-Heidepriem, J. A. Piper, T M Monro |
Abstract: | We investigate a powerful new sensing platform based on upconversion luminescence in NaYF4: Yb/Er nanocrystals loaded inside a suspended-core microstructured optical fibre. The use of a NIR source enables autofluorescence from the glass to be reduced compared to using visible sources for excitation of fluorescence. We demonstrate a substantial improvement in the detection limit that can be achieved in a suspended-core fibre sensor, with detection limits as low as 660 fM achieved. This is a factor of 15× better than the best results previously reported using Quantum dots in a similar fibre. © 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE). |
Keywords: | microstructured optical fibre lanthanide biosensing nanocrystal fluorescence |
Rights: | © 2012 SPIE |
DOI: | 10.1117/12.915968 |
Published version: | http://dx.doi.org/10.1117/12.915968 |
Appears in Collections: | Aurora harvest 4 IPAS publications |
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