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Plasmonic Nanostructures for Nano-Scale Bio-Sensing

1
National Creative Research Center for Active Plasmonics Application Systems, Inter-University Semiconductor Research Center and School of Electrical Engineering, Seoul National University, Gwanak-Gu Gwanakro 1, Seoul 151-744, Korea
2
Department of Biomedical Engineering, Korea University, Seoul 136-701, Korea
*
Author to whom correspondence should be addressed.
Sensors 2011, 11(11), 10907-10929; https://doi.org/10.3390/s111110907
Received: 8 October 2011 / Revised: 13 November 2011 / Accepted: 14 November 2011 / Published: 21 November 2011
(This article belongs to the Special Issue Nano-Biosensors)
The optical properties of various nanostructures have been widely adopted for biological detection, from DNA sequencing to nano-scale single molecule biological function measurements. In particular, by employing localized surface plasmon resonance (LSPR), we can expect distinguished sensing performance with high sensitivity and resolution. This indicates that nano-scale detections can be realized by using the shift of resonance wavelength of LSPR in response to the refractive index change. In this paper, we overview various plasmonic nanostructures as potential sensing components. The qualitative descriptions of plasmonic nanostructures are supported by the physical phenomena such as plasmonic hybridization and Fano resonance. We present guidelines for designing specific nanostructures with regard to wavelength range and target sensing materials. View Full-Text
Keywords: surface plasmon resonance; optical sensors; plasmonic sensors; nanostructure surface plasmon resonance; optical sensors; plasmonic sensors; nanostructure
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MDPI and ACS Style

Chung, T.; Lee, S.-Y.; Song, E.Y.; Chun, H.; Lee, B. Plasmonic Nanostructures for Nano-Scale Bio-Sensing. Sensors 2011, 11, 10907-10929. https://doi.org/10.3390/s111110907

AMA Style

Chung T, Lee S-Y, Song EY, Chun H, Lee B. Plasmonic Nanostructures for Nano-Scale Bio-Sensing. Sensors. 2011; 11(11):10907-10929. https://doi.org/10.3390/s111110907

Chicago/Turabian Style

Chung, Taerin, Seung-Yeol Lee, Eui Young Song, Honggu Chun, and Byoungho Lee. 2011. "Plasmonic Nanostructures for Nano-Scale Bio-Sensing" Sensors 11, no. 11: 10907-10929. https://doi.org/10.3390/s111110907

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