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A novel configuration for chemical sensors based on surface plasmon resonance

pubblicazioni - Poster

A novel configuration for chemical sensors based on surface plasmon resonance

Nuova configurazione di dispositivi SPR monouso per un’analisi veloce e in loco di agenti chimici nei trasformatori dipotenza.

Optical chemical sensors and biosensors have been shown to be able to play an important role in numerous fields. In particular, the sensors based on the surface plasmon resonance (SPR) phenomenon have shown a noticeably high sensitivity due to the fact that they are able to detect even small variations of refractive index of the dielectric in contactwith the metal layer, where biological or artificial receptors are present. They selectively recognize and capture the analyte present in a liquid sample so producing a local increase of the refractive index of the dielectric layer in contact with the metal.

The use of the SPR sensor devices often requires replaceable parts and disposable chips for easy, fast and on site detection analysis. According to these requests, we propose a novel low cost SPR sensor platform for the selective detection of analytes directly in solutions.

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