Temperature-corrected fluidic glucose sensor based on microwave resonator

Chorom Jang, Jin Kwan Park, Hee Jo Lee, Gi Ho Yun, Jong Gwan Yook

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this paper, a fluidic glucose sensor that is based on a complementary split-ring resonator (CSRR) is proposed for the microwave frequency region. The detection of glucose with different concentrations from 0 mg/dL to 400 mg/dL in a non-invasive manner is possible by introducing a fluidic system. The glucose concentration can be continuously monitored by tracking the transmission coefficient S21 as a sensing parameter. The variation tendency in S21 by the glucose concentration is analyzed with equivalent circuit model. In addition, to eradicate the systematic error due to temperature variation, the sensor is tested in two temperature conditions: the constant temperature condition and the time-dependent varying temperature condition. For the varying temperature condition, the temperature correction function was derived between the temperature and the variation in S21 for DI water. By applying the fitting function to glucose solution, the subsidiary results due to temperature can be completely eliminated. As a result, the S21 varies by 0.03 dB as the glucose concentration increases from 0 mg/dL to 400 mg/dL.

Original languageEnglish
Article number3850
JournalSensors (Switzerland)
Volume18
Issue number11
DOIs
Publication statusPublished - 2018 Nov 9

Fingerprint

Microwave resonators
Glucose sensors
fluidics
Fluidics
Microwaves
glucose
resonators
microwaves
Glucose
Temperature
sensors
temperature
subsidiaries
Systematic errors
Microwave frequencies
microwave frequencies
equivalent circuits
systematic errors
Equivalent circuits
Resonators

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Jang, Chorom ; Park, Jin Kwan ; Lee, Hee Jo ; Yun, Gi Ho ; Yook, Jong Gwan. / Temperature-corrected fluidic glucose sensor based on microwave resonator. In: Sensors (Switzerland). 2018 ; Vol. 18, No. 11.
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Temperature-corrected fluidic glucose sensor based on microwave resonator. / Jang, Chorom; Park, Jin Kwan; Lee, Hee Jo; Yun, Gi Ho; Yook, Jong Gwan.

In: Sensors (Switzerland), Vol. 18, No. 11, 3850, 09.11.2018.

Research output: Contribution to journalArticle

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