Biosensors Based on Surface Plasmon Resonance Phenomenon: A Theoretical Review
Journal Title: RECENT - Year 2011, Vol 12, Issue 31
Abstract
Surface Plasmon’s are waves that propagate along the surface on a conductor, and have been studied intensively. The phenomenon has been utilized in studies of the properties of surfaces and thin films devices and, in particular, to recent developments in biosensor devices. Surface Plasmon resonance (SPR) biosensors gained an important place in detection, point- of- care diagnostics, and even as potential therapeutic agents. In this way the SPR biosensors have becomes central tool for characterizing and quantifying biomolecular interaction. Not all the materials can be utilized as surface active media; gold (Au) and silver (Ag) are the best examples of materials which can support surface Plasmon’s. The optical properties of metallic nanostructures are particularly important for the field of Nano science and technology. This paper attempts to review the major developments in SPR technology. Main application areas are outlined and examples of applications of SPR sensor technology are presented.
Authors and Affiliations
Adnana MARIN, Corina COJOCARIU, Dida CONSTANTIN, Oana ANDREI
Keywords
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