Nano Science and Technology Institute
Nanotech 2008 Vol. 3
Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
 
Chapter 3: Lab-on-a-Chip, Micro & Nano Fluidics
 

SPRi signal amplification by organothiols-nanopattern

Authors:P. Lisboa, A. Valsesia, I. Mannelli, P. Colpo, F. Rossi
Affilation:JRC-European Commission, IT
Pages:355 - 358
Keywords:immunosensor, SPRi, nanoarray
Abstract:A 2D crystalline nanoarray of organothiols has been used for enhancing the detection sensitivity of Surface Plasmon Resonance-based biosensor. In particular, an IgG/AbIgG immunoreaction has been monitored by Surface Plasmon Resonance imaging on nano-patterned surfaces characterized by nano-spots with carboxylic functions in a non-adhesive matrix of polyethylene oxide and for comparison on surfaces characterized by uniform carboxylic surfaces. For the same concentration of analyte, the signal is improved by a factor of 5 by using the 2D crystalline nanoarrayed surfaces. Those experiments indicated that the increased sensitivity is due to an amplification of the Surface Plasmon Resonance imaging signal by the crystalline arrangement of the biomolecules on the nanoarray.
SPRi signal amplification by organothiols-nanopatternView PDF of paper
ISBN:978-1-4200-8505-1
Pages:940
Hardcopy:$159.95
 
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