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Alves, W. A., Fiorito, P. A., Froyer, G., El Haber, F., Vellutini, L., Torresi, R. M. & de Torresi, S. C. I. (2008) Immobilization of Catalysts of Biological Interest on Porous Oxidized Silicon Surfaces. J. Nanosci. Nanotechnol. 8 3570–3576. 
Added by: Laurent Cournède (2016-03-10 21:58:41)
Type de référence: Article
DOI: 10.1166/jnn.2008.143
Numéro d'identification (ISBN etc.): 1533-4880
Clé BibTeX: Alves2008
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Catégories: PMN
Mots-clés: amperometric biosensors, carbon nanotubes, Direct electron transfer, direct electron-transfer, glucose biosensors, Glucose Detection, hydrogen-peroxide, identification, microperoxidase-8, monolayers, oxidase, porous silicon, Silanization, technology
Créateurs: Alves, El Haber, Fiorito, Froyer, de Torresi, Torresi, Vellutini
Collection: J. Nanosci. Nanotechnol.
Consultations : 9/526
Indice de consultation : 3%
Indice de popularité : 0.75%
Résumé     
The present paper deals with the immobilization of redox mediators and proteins onto protected porous silicon surfaces to obtain their direct electrochemical reactions and to retain their bioactivities. This paper shows that MP-11 and viologens are able to establish chemical bonds with 3-aminopropyltriethoxylsilane-modified porous silicon surface. The functionalization of the surfaces have been fully characterized by energy dispersive X-ray analysis (EDX) and X-ray photoelectron spectroscopy (XPS) to examine the immobilization of these mediators onto the solid surface. Amperometric and open circuit potential measurements have shown the direct electron transfer between glucose oxidase and the electrode in the presence of the viologen mediator covalently linked to the 3-aminopropyltriethoxylsilane (APTES)-modified porous silicon surfaces.
Added by: Laurent Cournède  
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