Special Section: Selected Papers from the INFN-LNF Conference on Nanoscience and Nanotechnology

Biological passivation of porous silicon by a self-assembled nanometric biofilm of proteins

[+] Author Affiliations
Luca De Stefano, Ilaria Rea, Eduardo De Tommasi

National Research Council, Institute for Microelectronic and Microsystems, Unit of Naples, Via P. Castellino 111, Naples, 80131 Italy

Paola Giardina, Annunziata Armenante, Sara Longobardi

University of Naples, Federico II, Department of Organic Chemistry and Biochemistry, Via Cinthia, 4, Naples, 80126 Italy

Michele Giocondo

Licryl - INFM-CNR, Via P. Bucci, Cubo 33/B, Arcavacata di Rende, Cosenza 87036 Italy

Ivo Rendina

National Research Council, Institute for Microelectronic and Microsystems, Unit of Naples, Via P. Castellino 111, Naples, 80131 Italy

J. Nanophoton. 3(1), 031985 (October 31, 2009). doi:10.1117/1.3266496
History: Received July 24, 2009; Revised September 17, 2009; Accepted September 21, 2009; October 31, 2009; Online October 31, 2009
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Abstract

Self-assembled monolayers are surfaces consisting of a single layer of molecules on a substrate: widespread examples of chemical and biological nature are alkylsiloxane, fatty acids, and alkanethiolate which can be deposited by different techniques on a large variety of substrates ranging from metals to oxides. We have found that a self-assembled biofilm of proteins can passivate porous silicon (PSi) based optical structures without affecting the transducing properties. Moreover, the protein coated PSi layer can also be used as a functionalized surface for proteomic applications.

© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Luca De Stefano ; Ilaria Rea ; Eduardo De Tommasi ; Paola Giardina ; Annunziata Armenante, et al.
"Biological passivation of porous silicon by a self-assembled nanometric biofilm of proteins", J. Nanophoton. 3(1), 031985 (October 31, 2009). ; http://dx.doi.org/10.1117/1.3266496


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