Abstract
Plasmonic-based biosensing technologies have been successfully commercialized
and applied for monitoring various biomolecular interactions occurring at a sensor
surface. In particular, the recent advances in nanofabrication methods and
nanoparticle syntheses provide a new route to overcome the limitations of a
conventional surface plasmon resonance biosensor, such as detection limit,
sensitivity, selectivity, and throughput. In this paper, optical and physical
properties of plasmonic nanostructures and their contributions to a realization of
enhanced optical detection platforms are reviewed. Following vast surveys of the
exploitation of metallic nanostructures supporting localized field enhancement, we
will propose an outlook for future directions associated with a development of new
types of plasmonic sensing substrates
© 2010 Optical Society of Korea
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