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Surface Bio-functionalization of boron doped diamond

Published online by Cambridge University Press:  01 February 2011

Mathias Bonnauron ,
Charles Agnes ,
Pascal Mailley ,
Jean-Charles Arnault ,
Jacques de Sanoit ,
Christine Mer ,
Licinio Rocha ,
Philippe Bergonzo ,
Milos Nesladek  and
Frank Omnes
...Show all authors
Mathias Bonnauron
Affiliation:
mathias.bonnauron@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Charles Agnes
Affiliation:
charles.agnes@grenoble.cnrs.fr, CEA-Grenoble, DRFMC-SPrAM, Centre d'étude de Grenoble, 17 r Martyrs, Grenoble - Cedex 9, F-38054, France
Pascal Mailley
Affiliation:
pascal.mailley@cea.fr, CEA-Grenoble, DRFMC-SPrAM, Centre d'étude de Grenoble, 17 r Martyrs, Grenoble - Cedex 9, F-38054, France
Jean-Charles Arnault
Affiliation:
jean-charles.arnault@cea.fr, CEA-Saclay, CEA-DRECAM, Centre d'Etudes de Saclay,, Bât 462, Gif-sur-Yvette, F-91191, France
Jacques de Sanoit
Affiliation:
Jacques.desanoit@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Christine Mer
Affiliation:
christine.mer@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Licinio Rocha
Affiliation:
licinio.rocha@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Philippe Bergonzo
Affiliation:
philippe.bergonzo@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Milos Nesladek
Affiliation:
milos.nesladek@cea.fr, CEA-Saclay, CEA-LIST, Centre d'Etudes de Saclay,, Bât 451, Gif-sur-Yvette, F-91191, France
Frank Omnes
Affiliation:
franck.omnes@grenoble.cnrs.fr, CNRS, CNRS-LEPES, UPR 11, Av. des Martyrs, BP166, Grenoble - Cedex 9, F-38042, France
Omar Elmazria
Affiliation:
omar.elmazria@lpmi.uhp-nancy.fr, Université Henri POINCARRE, LPMIA, UMR CNRS 7040, Faculte des Science et Techniques, Université Henri Poincaré,, Boulevard des Aiguillettes, B.P. 239, Vandoeuvre Lès Nancy - CEDEX, F-54506, France
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Abstract

Biotin was grafted onto boron doped nanocrystaline diamond electrode through a four-step-chemical process. First step of grafting was electro-chemical reduction of p-4,nitro diazonium salts. The grafting was characterized using X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM) and fluorescence analysis. XPS analysis and curve fitting procedure lead to the identification of different bond states of carbon present in the grafted film and highlights difference of coverage rate between samples. AFM highlights the non-mononuclear aspect of the diazonium electrografting. Fluorescence measurements with avidin recognition prove the efficient of the grafting.

Keywords

diamondelectrodepositionx-ray photoelectron spectroscopy (XPS)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 956: Symposium J – Diamond Electronics—Fundamentals to Applications , 2006 , 0956-J09-26
Copyright
Copyright © Materials Research Society 2007

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References

REFERENCES

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