DNA sensing using split-ring resonator alone at microwave regime

Hee Jo Lee; Hyun Seok Lee; Kyung Hwa Yoo; Jong Gwan Yook

doi:10.1063/1.3459877

DNA sensing using split-ring resonator alone at microwave regime

Hee Jo Lee, Hyun Seok Lee, Kyung Hwa Yoo, Jong Gwan Yook

Research output: Contribution to journal › Article › peer-review

143 Citations (Scopus)

Abstract

In this paper, the feasibility of utilization of a single element double split-ring resonator as a biosensing device has been demonstrated. The compact resonator has been excited by time-varying magnetic fields generated from the 50 Ω microstrip transmission line. In this work, DNA hybridization is recognized with shift in S₂₁ resonant frequency. When thiol-linked single stranded-DNA is immobilized onto a gold (Au) surface and is then coupled with complementary-DNA, the frequency changes by Δf_ss-DNA =20 MHz and Δf_{hybridization} =60 MHz, respectively. Thus, it is clear that the resonator can be utilized as a DNA sensing element in the microwave regime.

Original language	English
Article number	014908
Journal	Journal of Applied Physics
Volume	108
Issue number	1
DOIs	https://doi.org/10.1063/1.3459877
Publication status	Published - 2010 Jul 1

Bibliographical note

Funding Information:
This research was supported by the MKE (The Ministry of Knowledge Economy), Korea, under the ITRC (Information Technology Research Center) support program supervised by the NIPA (National IT Industry Promotion Agency)” (Grant No. NIPA-2010-(C1090-1011-0006).

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.3459877

Cite this

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DNA sensing using split-ring resonator alone at microwave regime

Abstract

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