Definition
Surface plasmon resonance (SPR) is one of several optical phenomena known to occur on two-dimensional metal surfaces (typically gold or silver films) when a total internal reflection of incident light occurs at the interface of two different substances, one with a high refraction index and the other with a low refraction index. The SPR biosensor, which exploits the SPR phenomenon, is a label-free and surface-sensitive spectroscopic system, which utilizes measured changes in the local refraction index upon adsorption. This sensor may be applicable to disease diagnostics and high-throughput screening (HTS) in drug discovery, as well as to studies of biomolecular interaction.
Characteristics
Detection Principle of SPR Biosensor
Surface plasmon polaritons (SPPs), which are also referred to more simply as surface plasmons (SPs), are longitudinal and collective oscillations of electrons occurring on a metal-dielectric interface. The frequencies of these longitudinal oscillations...
References
Englebienne P, Van Hoonacker A, Verhas M (2003) Surface plasmon resonance: principles, methods and applications in biomedical sciences. Spectroscopy 17:255–273
Jonsson U, Fagerstam L, Ivarsson B et al (1991) Real-time biospecific interaction analysis using surface plasmon resonance and a sensor chip technology. Biotechniques 11:620–627
Ro HS, Koh BH, Jung SO et al (2006) Surface plasmon resonance imaging protein arrays for analysis of triple protein interactions of HPV, E6, E6AP, and p53. Proteomics 6:2108–2111
See Also
(2012) Biosensor. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer Berlin Heidelberg, p 415. doi: 10.1007/978-3-642-16483-5_646
(2012) Electrospray ionization. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer Berlin Heidelberg, p 1216. doi: 10.1007/978-3-642-16483-5_1846
(2012) Label-free analysis. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer Berlin Heidelberg, p 1967. doi: 10.1007/978-3-642-16483-5_3257
(2012) Matrix-assisted laser desorption/ionization-time of flight. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer Berlin Heidelberg, p 2187. doi: 10.1007/978-3-642-16483-5_3555
(2012) P53. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer Berlin Heidelberg, p 2747. doi: 10.1007/978-3-642-16483-5_4331
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Chung†, B.H., Kim, M., Shin, YB. (2015). Surface Plasmon Resonance. In: Schwab, M. (eds) Encyclopedia of Cancer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27841-9_5595-2
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DOI: https://doi.org/10.1007/978-3-642-27841-9_5595-2
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