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Sensors 2011, 11(12), 11752-11760; doi:10.3390/s111211752

Low Cost Sensors Based on SPR in a Plastic Optical Fiber for Biosensor Implementation

Department of Information Engineering, Second University of Naples, Via Roma 29, 81031 Aversa, Italy
Department of Physical Sciences, University of Naples “Federico II”, Via Cinthia, 80126 Naples, Italy
CNR-IREA, Via Diocleziano 328, 80124 Naples, Italy
Author to whom correspondence should be addressed.
Received: 5 October 2011 / Revised: 8 December 2011 / Accepted: 15 December 2011 / Published: 16 December 2011
(This article belongs to the Section Biosensors)
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This paper reports the fabrication and testing of two configurations of optical sensor systems based on Surface Plasmon Resonance (SPR) at the interface of a liquid sample and sandwiched structures realized starting from the exposed core of a Plastic Optical Fiber (POF). The proposed geometries have proven to be suitable for measuring the refractive indexes of liquids whose refractive index falls around 1.35. Furthermore, the proposed sensing head, being low cost and relatively easy to realize, may be very attractive for biosensor implementation.
Keywords: Surface Plasmon Resonance (SPR); Plastic Optical Fibers (POF); biosensors Surface Plasmon Resonance (SPR); Plastic Optical Fibers (POF); biosensors
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Cennamo, N.; Massarotti, D.; Conte, L.; Zeni, L. Low Cost Sensors Based on SPR in a Plastic Optical Fiber for Biosensor Implementation. Sensors 2011, 11, 11752-11760.

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