Glucose sensing with graphene varactors

Yao Zhang, Rui Ma, Yogish C. Kudva, Philippe Buhlmann, Steven Koester

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

Abstract

A novel metal-oxide-graphene glucose sensor is demonstrated. The sensor utilizes a graphene variable capacitor (varactor) structure that has the capability to enable passive, wireless sensing, a key advantage for in vivo glucose sensing. The functionalization of graphene using pyrene boronic acid is demonstrated using a self-assembly process, and successful functionalization is demonstrated by a positive Dirac voltage shift. The varactors are shown to be operational in a phosphate buffered saline solution and show stable performance after multiple measurement cycles. Finally, a consistent and reversible response to 100 mg/dL glucose is demonstrated.

Original languageEnglish (US)
Title of host publicationIEEE Sensors, SENSORS 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982875
DOIs
StatePublished - Jan 5 2017
Event15th IEEE Sensors Conference, SENSORS 2016 - Orlando, United States
Duration: Oct 30 2016Nov 2 2016

Other

Other15th IEEE Sensors Conference, SENSORS 2016
CountryUnited States
CityOrlando
Period10/30/1611/2/16

Fingerprint

Varactors
Graphene
Glucose
Glucose sensors
Pyrene
Self assembly
Phosphates
Capacitors
Oxides
Acids
Sensors
Electric potential
Metals

Keywords

  • glucose
  • graphene
  • quantum capacitance
  • varactor

Cite this

Zhang, Y., Ma, R., Kudva, Y. C., Buhlmann, P., & Koester, S. (2017). Glucose sensing with graphene varactors. In IEEE Sensors, SENSORS 2016 - Proceedings [7808854] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICSENS.2016.7808854

Glucose sensing with graphene varactors. / Zhang, Yao; Ma, Rui; Kudva, Yogish C.; Buhlmann, Philippe; Koester, Steven.

IEEE Sensors, SENSORS 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 7808854.

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

Zhang, Y, Ma, R, Kudva, YC, Buhlmann, P & Koester, S 2017, Glucose sensing with graphene varactors. in IEEE Sensors, SENSORS 2016 - Proceedings., 7808854, Institute of Electrical and Electronics Engineers Inc., 15th IEEE Sensors Conference, SENSORS 2016, Orlando, United States, 10/30/16. https://doi.org/10.1109/ICSENS.2016.7808854
Zhang Y, Ma R, Kudva YC, Buhlmann P, Koester S. Glucose sensing with graphene varactors. In IEEE Sensors, SENSORS 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. 7808854 https://doi.org/10.1109/ICSENS.2016.7808854
Zhang, Yao ; Ma, Rui ; Kudva, Yogish C. ; Buhlmann, Philippe ; Koester, Steven. / Glucose sensing with graphene varactors. IEEE Sensors, SENSORS 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017.
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