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Sensors 2008, 8(10), 6549-6556; doi:10.3390/s8106549
Article

Porous Silicon Based Resonant Mirrors for Biochemical Sensing

1,* , 1, 1,2, 1,2, 1,3, 4, 4, 4 and 1
Received: 6 June 2008; in revised form: 6 October 2008 / Accepted: 21 October 2008 / Published: 23 October 2008
(This article belongs to the Section Biosensors)
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Abstract: We report on our preliminary results in the realization and characterization of a porous silicon (PSi) resonant mirror (RM) for optical biosensing. We have numerically and experimentally studied the coupling between the electromagnetic field, totally reflected at the base of a high refractive index prism, and the optical modes of a PSi waveguide. This configuration is very sensitive to changes in the refractive index and/or in thickness of the sensor surface. Due to the high specific area of the PSi waveguide, very low DNA concentrations can be detected confirming that the RM could be a very sensitive and labelfree optical biosensor.
Keywords: DNA Optical Biosensors; Porous Silicon; Resonant Mirrors DNA Optical Biosensors; Porous Silicon; Resonant Mirrors
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.

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MDPI and ACS Style

De Tommasi, E.; De Stefano, L.; Rea, I.; Di Sarno, V.; Rotiroti, L.; Arcari, P.; Lamberti, A.; Sanges, C.; Rendina, I. Porous Silicon Based Resonant Mirrors for Biochemical Sensing. Sensors 2008, 8, 6549-6556.

AMA Style

De Tommasi E, De Stefano L, Rea I, Di Sarno V, Rotiroti L, Arcari P, Lamberti A, Sanges C, Rendina I. Porous Silicon Based Resonant Mirrors for Biochemical Sensing. Sensors. 2008; 8(10):6549-6556.

Chicago/Turabian Style

De Tommasi, Edoardo; De Stefano, Luca; Rea, Ilaria; Di Sarno, Valentina; Rotiroti, Lucia; Arcari, Paolo; Lamberti, Annalisa; Sanges, Carmen; Rendina, Ivo. 2008. "Porous Silicon Based Resonant Mirrors for Biochemical Sensing." Sensors 8, no. 10: 6549-6556.



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