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Proceedings Paper

Integrated optic surface plasmon resonance measurements in glass substrates
Author(s): A. Parisi; F. P. D'Aleo; S. Guarino; L. Curcio; G. Badalamenti; A. C. Cino; A. C. Busacca; E. D'Asaro; S. Riva Sanseverino
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Paper Abstract

The surface plasmon resonance (SPR) technique is an optical method that can be used to measure the refractive index of organic nano-layers adsorbed on a thin metal film. Although there are many techniques for measuring biomolecular interactions, SPR-based techniques play a central role in many current biosensing experiments, since they are most suited to sensitive and quantitative kinetic measurements. Here we give some results from the analysis and numerical elaboration of SPR data regarding the flow of different solutions with refractive indexes in the range of interest (1-1.4). After a brief discussion of the principles of SPR and of waveguide fabrication technique, we give a description of system setup and some results regarding the real time waveguide output intensity monitoring to measure the interaction between the gold thin film and the analyte.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661926 (2 July 2007); doi: 10.1117/12.738629
Show Author Affiliations
A. Parisi, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
F. P. D'Aleo, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
S. Guarino, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
L. Curcio, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
G. Badalamenti, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
A. C. Cino, Ctr. per la Ricerca Elettronica in Sicilia (Italy)
A. C. Busacca, Univ. di Palermo (Italy)
E. D'Asaro, Univ. di Palermo (Italy)
S. Riva Sanseverino, Univ. di Palermo (Italy)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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