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Detection of DNA by Graphene-on-Silicon FET Structures Simultaneously at DC and 101 GHz

  • E. R. Brown
  • , W. D. Zhang
  • , D. Neff
  • , N. S. Green
  • , M. L. Norton
  • , P. H.Q. Pham
  • , P. J. Burke

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Two graphene-silicon field-effect transistor samples are characterized as a biological sensor of single-stranded DNA at DC and 101 GHz. In the first sample the 13-mer DNA is detected at DC and 101 GHz at three different molarities: 0.01, 1.0 and 100 nM. In the second sample it is so detected at only 1.0 nM but under progressive dilution by de-ionized water. In both cases, the mechanism for detection appears to be the same: (1) at DC it is the DNA-induced decrease in sheet conductance, and (2) at 101 GHz it is a correlated decrease in RF sheet conductance and the associated increase in 101-GHz transmission through the GFET acting as an optical etalon.
Original languageEnglish
Title of host publicationEuropean Microwave Week 2015
Subtitle of host publication"Freedom Through Microwaves", EuMW 2015 - Conference Proceedings; 2015 45th European Microwave Conference Proceedings, EuMC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages929-932
Number of pages4
ISBN (Electronic)9782874870392
DOIs
StatePublished - Dec 2 2015
Event45th European Microwave Conference, EuMC 2015 - Paris, France
Duration: Sep 7 2015Sep 10 2015

Publication series

NameEuropean Microwave Week 2015: "Freedom Through Microwaves", EuMW 2015 - Conference Proceedings; 2015 45th European Microwave Conference Proceedings, EuMC

Conference

Conference45th European Microwave Conference, EuMC 2015
Country/TerritoryFrance
CityParis
Period9/7/159/10/15

ASJC Scopus Subject Areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Radiation

Keywords

  • DNA
  • graphene
  • Sheet conductance
  • Silicon etalon

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