Biotin-streptavidin detection with a graphene-oxide supported radio-frequency resonator

Hyong Seo Yoon; Juhwan Lim; Sang Uk Son; Duck Hwan Kim; Insang Song; Seong Chan Jun

doi:10.1063/1.4802788

Biotin-streptavidin detection with a graphene-oxide supported radio-frequency resonator

Hyong Seo Yoon, Juhwan Lim, Sang Uk Son, Duck Hwan Kim, Insang Song, Seong Chan Jun

Department of Mechanical Engineering

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

The detection of biotin-streptavidin binding was demonstrated by the resonance frequency measurement of a simple resonance circuit using graphene oxide dielectric. The resonance frequency was decreased to the lower frequency range as biotin and streptavidin were bound to the graphene oxide film. Graphene oxide dielectric provides dual advantages including quality-factor enhancement and high affinity for bio sensing. It was revealed that an increase in capacitance of the graphene oxide sheet was mainly responsible for the resonance frequency shift. The sensitivity to the capacitance change in the frequency-based detection technique can enable the advanced biosensing applications using graphene oxide sheet.

Original language	English
Article number	193701
Journal	Applied Physics Letters
Volume	102
Issue number	19
DOIs	https://doi.org/10.1063/1.4802788
Publication status	Published - 2013 May 13

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4802788

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Seo Yoon, H., Lim, J., Uk Son, S., Kim, D. H., Song, I., & Chan Jun, S. (2013). Biotin-streptavidin detection with a graphene-oxide supported radio-frequency resonator. Applied Physics Letters, 102(19), [193701]. https://doi.org/10.1063/1.4802788

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