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Sensors 2015, 15(1), 1138-1147; doi:10.3390/s150101138

Palladium on Plastic Substrates for Plasmonic Devices

1
CNR – IFN UOS Padova, Via Trasea, Padova 7 35131, Italy
2
Department of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padova 35131, Italy
3
ARC-Centro Ricerche Applicate, Via della Navigazione Interna 51, Padova 35129, Italy
4
Department of Information Engineering, University of Padova, Via Gradenigo 6/B, Padova 35131, Italy
*
Authors to whom correspondence should be addressed.
Received: 17 November 2014 / Accepted: 29 December 2014 / Published: 9 January 2015
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy 2014)
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Abstract

Innovative chips based on palladium thin films deposited on plastic substrates have been tested in the Kretschmann surface plasmon resonance (SPR) configuration. The new chips combine the advantages of a plastic support that is interesting and commercially appealing and the physical properties of palladium, showing inverted surface plasmon resonance (ISPR). The detection of DNA chains has been selected as the target of the experiment, since it can be applied to several medical early diagnostic tools, such as different biomarkers of cancers or cystic fibrosis. The results are encouraging for the use of palladium in SPR-based sensors of interest for both the advancement of biodevices and the development of hydrogen sensors. View Full-Text
Keywords: surface plasmon resonance; Kretschmann configuration; palladium; polycarbonate; DNA surface plasmon resonance; Kretschmann configuration; palladium; polycarbonate; DNA
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zuppella, P.; Pasqualotto, E.; Zuccon, S.; Gerlin, F.; Corso, A.J.; Scaramuzza, M.; De Toni, A.; Paccagnella, A.; Pelizzo, M.G. Palladium on Plastic Substrates for Plasmonic Devices. Sensors 2015, 15, 1138-1147.

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