Carbon nanotube-based dual-mode biosensor for electrical and surface plasmon resonance measurements

Jeseung Oh, Young Wook Chang, Hyung Joon Kim, Seunghwan Yoo, Dong Jun Kim, Seongil Im, Young June Park, Donghyun Kim, Kyung Hwa Yoo

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We have developed carbon nanotube-based dual-mode biosensors with a metal semiconductor field effect transistor structure on a quartz substrate. DNA hybridization occurring on the Au top gate can be detected by simultaneously measuring the change in the electrical conductance and the surface plasmon resonance (SPR). Since electrical and SPR measurements offer high sensitivity and reliability, respectively, this dual-mode biosensor is expected to provide both of these features.

Original languageEnglish
Pages (from-to)2755-2760
Number of pages6
JournalNano letters
Volume10
Issue number8
DOIs
Publication statusPublished - 2010 Aug 11

Fingerprint

Carbon Nanotubes
Surface plasmon resonance
bioinstrumentation
surface plasmon resonance
Biosensors
Carbon nanotubes
carbon nanotubes
MESFET devices
Quartz
electrical measurement
DNA
field effect transistors
deoxyribonucleic acid
quartz
sensitivity
Substrates
metals

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Oh, Jeseung ; Chang, Young Wook ; Kim, Hyung Joon ; Yoo, Seunghwan ; Kim, Dong Jun ; Im, Seongil ; Park, Young June ; Kim, Donghyun ; Yoo, Kyung Hwa. / Carbon nanotube-based dual-mode biosensor for electrical and surface plasmon resonance measurements. In: Nano letters. 2010 ; Vol. 10, No. 8. pp. 2755-2760.
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Carbon nanotube-based dual-mode biosensor for electrical and surface plasmon resonance measurements. / Oh, Jeseung; Chang, Young Wook; Kim, Hyung Joon; Yoo, Seunghwan; Kim, Dong Jun; Im, Seongil; Park, Young June; Kim, Donghyun; Yoo, Kyung Hwa.

In: Nano letters, Vol. 10, No. 8, 11.08.2010, p. 2755-2760.

Research output: Contribution to journalArticle

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