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Proceedings Paper

Ultra-sensitive plasmonic nanosensors for biochemical detection
Author(s): Jérôme Martin; Julien Proust; Davy Gérard; Jean-Louis Bijeon; Jérôme Plain; Pascal Royer
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Paper Abstract

We report on a highly sensitive plasmon-based nanosensor. This hybrid sensor is composed of a glass tip with a set of gold nanoparticles grafted at its apex. It allows to optimize the excitation and detection of the localized surface plasmon resonance of metal nanoparticles and thus to increase dramatically the sensitivity. First results show the possibility to detect a concentration as low as 10-10 M on a single gold dimer. Furthermore, promising SERS measurements are reported.

Paper Details

Date Published: 12 February 2011
PDF: 6 pages
Proc. SPIE 7911, Plasmonics in Biology and Medicine VIII, 79110T (12 February 2011); doi: 10.1117/12.874847
Show Author Affiliations
Jérôme Martin, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)
Julien Proust, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)
Davy Gérard, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)
Jean-Louis Bijeon, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)
Jérôme Plain, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)
Pascal Royer, Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS, Univ. de Technologie de Troyes (France)


Published in SPIE Proceedings Vol. 7911:
Plasmonics in Biology and Medicine VIII
Tuan Vo-Dinh; Joseph R. Lakowicz, Editor(s)

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