An Improved Sensitivity SPR Biosensor Using Multilayer Graphene
A graphene-based Surface Plasmon Resonance (SPR) biosensor is presented. Graphene layers added to a conventional gold thin film SPR biosensor leads to a drastic increase in sensitivity due to the increased biomolecule adsorption in the graphene layers. In comparison to conventional SPR sensors this...
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| Veröffentlicht in: | Advanced Materials Research 2016-01, Vol.1133, p.103-107 |
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| creator | Hamid Toloue, A.T. Ahmadi, M.T. Centeno, Anthony |
| description | A graphene-based Surface Plasmon Resonance (SPR) biosensor is presented. Graphene layers added to a conventional gold thin film SPR biosensor leads to a drastic increase in sensitivity due to the increased biomolecule adsorption in the graphene layers. In comparison to conventional SPR sensors this produces a large change in the refractive index at the metal-dielectric interface. The reflection of light coupled into a SPR mode propagating along a thin Au-graphene layer surrounded by dielectric is calculated and compared to a conventional SPR sensor. |
| doi_str_mv | 10.4028/www.scientific.net/AMR.1133.103 |
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| subjects | Biosensors Graphene Lead (metal) Mathematical analysis Multilayers Sensors Surface chemistry Thin films |
| title | An Improved Sensitivity SPR Biosensor Using Multilayer Graphene |
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