Metamaterial Microwave Sensor for Glucose Level Measurement Based on Strip Line with Complementary Split Ring Resonator

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dc.contributor.authorRattan, Praphaporn
dc.contributor.authorHoungkamhang, Nongluck
dc.contributor.authorOrankitanun, Teerapong
dc.contributor.authorPhasukkit, Pattarapong
dc.date.accessioned2026-08-06T10:51:18Z
dc.date.available2026-08-06T10:51:18Z
dc.date.issued2025-06-01
dc.description.abstractThis research focuses on investigating glucose meters utilizing metamaterial microwave sensors. The metamaterial microwave sensor is designed with a strip line loaded with a complementary split ring. The sensor is designed to conduct Ansys high-frequency structure simulator and uses conductor material coated on a hydrocarbon ceramic laminate (Roger RO4232) substrate, with a sweep frequency range of 1–6 GHz. The signal of the metamaterial microwave sensor depends on the change in glucose permittivity and conductivity when the glucose concentration changes. The research involves designing a simulation model to explore the impact of complementary split ring size on the sensor's response to changes in glucose permittivity. Additionally, experiments are conducted using the proposed sensor to measure glucose concentration in solution, aiming to analyze trends in sensor response to varying concentrations of glucose and evaluate its sensitivity to changes in glucose concentration. The experimental results indicate that the metamaterial microwave sensor is able to respond to variations in glucose level, a sensitivity of the proposed sensor is 0.0345 dB (mg dL<sup>−1</sup>)<sup>−1</sup> in range of 0–110 mg dL<sup>−1</sup> with R<sup>2</sup> 0.9628.
dc.identifier.citationPhysica Status Solidi A Applications and Materials Science, 222(12), 2025
dc.identifier.doi10.1002/pssa.202400180
dc.identifier.issn18626300
dc.identifier.other2-s2.0-85196141350
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/17014
dc.sourcePhysica Status Solidi A Applications and Materials Science
dc.subjectblood glucose meters
dc.subjectdielectric
dc.subjectglucose
dc.subjectmetamaterials
dc.subjectmicrowave sensors
dc.subjectsplit ring resonators
dc.subjectstrip lines
dc.titleMetamaterial Microwave Sensor for Glucose Level Measurement Based on Strip Line with Complementary Split Ring Resonator
dc.typeArticle

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