Biosensors are devices able to reduce costs and time in biological assays. They are efficient and useful tools also in biochemical assays, providing high performance in sensitivity and selectivity of measurements. In this work, we developed a label-free biosensor based on a two-dimensional photonic crystal patterned on a large area silicon nitride membrane that operates in the visible spectrum for the detection of proteins. The biosensor has been preliminarily tested in solutions of different refractive index, showing as expected a shift of the resonance in the reflection spectrum.
2D photonic crystal membranes for optical biosensors / Zecca, D.; Qualtieri, A.; Stomeo, T.; De Vittorio, M.; Magno, G.; Grande, M.; Petruzzelli, V.; D'Orazio, A.; Prieto-Simon, B.; Voelcker, N. H. - In: 2014 Fotonica AEIT Italian Conference on Photonics Technologies : Naples, Italy, May 12-14, 2014ELETTRONICO. - Piscataway, NJ : IEEE Computer Society, 2014. - ISBN 978-8-8872-3717-7. [10.1109/Fotonica.2014.6843901]
2D photonic crystal membranes for optical biosensors
Magno, G.;Grande, M.;Petruzzelli, V.;D'Orazio, A.;
2014-01-01
Abstract
Biosensors are devices able to reduce costs and time in biological assays. They are efficient and useful tools also in biochemical assays, providing high performance in sensitivity and selectivity of measurements. In this work, we developed a label-free biosensor based on a two-dimensional photonic crystal patterned on a large area silicon nitride membrane that operates in the visible spectrum for the detection of proteins. The biosensor has been preliminarily tested in solutions of different refractive index, showing as expected a shift of the resonance in the reflection spectrum.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
