Introduction to Planar Microwave Sensors

doi:10.1002/9781119811060.ch1

Cited by 4 publications

(1 citation statement)

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“…Microwave sensors offer a non-invasive alternative for glucose measurement, which has gained significant attention in recent years [11]. Microwave sensors use the interaction between microwave radiation and the sample to measure the physical properties of the sample [12]. Due to the lower energy per photon and less atmospheric scattering, microwave radiation can penetrate deeper into the tissue, enabling more accurate measurement of blood glucose data [13].…”

Section: Introductionmentioning

confidence: 99%

Glucose Concentration Monitoring Using Microstrip Spurline Sensor

Harnsoongnoen,

Buranrat

2023

Measurement Science Review

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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).

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Section: Introductionmentioning

confidence: 99%