<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This article reports a microstrip spurline sensor for glucose concentration monitoring. The microstrip spurline sensor is a low-cost and easy-to-fabricate device that uses printed circuit board (PCB) technology. It consists of a combination of four spurlines and transmission lines. The four spurlines are used to reject unwanted frequencies, while the transmission lines allow the desired frequencies to pass through. The resonance frequency (Fr) and reflection coefficient (S11) were recorded through meticulous simulations and experiments over a frequency range from 1.5 GHz to 4 GHz. In addition, the sensor was used to detect changes in glucose concentration, ranging from 0 mg/dL to 150 mg/dL. The findings of this study show that the antenna-based sensor proposed in this research can effectively measure glucose levels across the diabetes range, from hypoglycemia to normoglycemia to hyperglycemia, with a high degree of sensitivity of 7.82 x 10<sup>−3</sup> dB/(mg/dL) and 233.33 kHz/(mg/dL).</p>
</abstract>

This article reports a microstrip spurline sensor for glucose concentration monitoring. The microstrip spurline sensor is a low-cost and easy-to-fabricate device that uses printed circuit board (PCB) technology. It consists of a combination of four spurlines and transmission lines. The four spurlines are used to reject unwanted frequencies, while the transmission lines allow the desired frequencies to pass through. The resonance frequency (Fr) and reflection coefficient (S11) were recorded through meticulous simulations and experiments over a frequency range from 1.5 GHz to 4 GHz. In addition, the sensor was used to detect changes in glucose concentration, ranging from 0 mg/dL to 150 mg/dL. The findings of this study show that the antenna-based sensor proposed in this research can effectively measure glucose levels across the diabetes range, from hypoglycemia to normoglycemia to hyperglycemia, with a high degree of sensitivity of 7.82 x 10−3 dB/(mg/dL) and 233.33 kHz/(mg/dL).

Glucose Concentration Monitoring Using Microstrip Spurline Sensor

Department of Physics, Faculty of Science

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Glucose Concentration Monitoring Using Microstrip Spurline Sensor"}

This article reports a microstrip spurline sensor for glucose concentration monitoring. The microstrip spurline sensor is a low-cost and easy-to-fabricate...

Glucose Concentration Monitoring Using Microstrip Spurline Sensor

Published Online: Sep 21, 2023

Page range: 168 - 174

Received: Mar 22, 2023

Accepted: Jul 31, 2023

DOI: https://doi.org/10.2478/msr-2023-0022

Keywords
Microwave sensor, glucose sensing, microstrip spurline, noninvasive, microwave frequencies, diabetes

© 2023 Supakorn Harnsoongnoen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Glucose Concentration Monitoring Using Microstrip Spurline Sensor

Published Online: Sep 21, 2023

Page range: 168 - 174

Received: Mar 22, 2023

Accepted: Jul 31, 2023

DOI: https://doi.org/10.2478/msr-2023-0022

KeywordsMicrowave sensor, glucose sensing, microstrip spurline, noninvasive, microwave frequencies, diabetes

© 2023 Supakorn Harnsoongnoen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Microwave sensor, glucose sensing, microstrip spurline, noninvasive, microwave frequencies, diabetes