Reference : Hybrid plasmonic multichannel spectroscopic sensor platform
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/220764
Hybrid plasmonic multichannel spectroscopic sensor platform
English
Hastanin, Juriy mailto [Université de Liège - ULiège > > CSL (Centre Spatial de Liège) >]
Lenaerts, Cedric mailto [Université de Liège - ULiège > > CSL (Centre Spatial de Liège) >]
Gailly, Patrick mailto [Université de Liège - ULiège > > CSL (Centre Spatial de Liège) >]
Fleury-Frenette, Karl mailto [Université de Liège - ULiège > > CSL (Centre Spatial de Liège) >]
24-Jan-2018
No
Yes
International
SMARTBIOCONTROL BioSens Conference
from 23-01-2018 to 24-01-2018
Gand
Belgium
[en] localized surface plasmon resonance (LSPR) biosensing ; lab-on-chip device ; hybrid plasmonic sensor
[en] we present a hybrid plasmonic sensor concept, as well as the first proof-of-concept experimental investigations, demonstrating its practical feasibility. The proposed approach gives access to two detection formats on the same lab-on-chip device: surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR) biosensing . The developed instrumental platform is dedicated to multichannel biosensing. In order to implement the proposed sensing approach, we developed a specific microfabrication technique involving gold nanoparticles (Au_NPs) synthesis by pulsed laser writing followed by annealing. This technology provides powerful tools for flexible patterning of the microfluidic sensor chips with array of different SPR and LSPR probes.
The optical properties of synthesized NPs have been investigated using specially developed equipment involving total internal reflectance ellipsometric spectroscopy (TIR_ES). We experimentally demonstrate that the use of the TIR-based optical readout can significantly enhance the LSPR sensor sensibility to refraction index variations of the liquid sample.
http://hdl.handle.net/2268/220764

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