Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited

Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited

A refractometric biosensor with a broad range of figure of merit (FoM) is achieved in aqueous media using plasmonic crystals on a CYTOP cladding. Counterintuitively, it is demonstrated that the conventionally defined FoM is not an appropriate benchmark for biosensing performance evaluation due to th...

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Veröffentlicht in:Advanced optical materials 2015-02, Vol.3 (2), p.176-181
Hauptverfasser: Li, Jiaqi, Ye, Jian, Chen, Chang, Hermans, Lennart, Verellen, Niels, Ryken, Jef, Jans, Hilde, Van Roy, Wim, Moshchalkov, Victor V., Lagae, Liesbet, Van Dorpe, Pol
Format: Artikel
Sprache:eng
Schlagworte:
Benchmarking
biosensing
bulk sensitivity
Cladding
Crystals
Diffraction
Figure of merit
Joining
Optics
Performance evaluation
plasmonic crystals
Plasmonics
surface sensitivity
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Zusammenfassung:A refractometric biosensor with a broad range of figure of merit (FoM) is achieved in aqueous media using plasmonic crystals on a CYTOP cladding. Counterintuitively, it is demonstrated that the conventionally defined FoM is not an appropriate benchmark for biosensing performance evaluation due to the divergence of the bulk and surface sensitivities. A new surface sensitivity is thus recommended.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201400394