Cylindrical Dielectric Resonator Antenna Sensor for Non-Invasive Glucose Sensing Application

Hasan, Nazmul; Tamanna, Saheda; Singh, Preeti; Nadeem, Danish; Rudramuni, Mahabaleshwar

doi:10.1109/spin.2019.8711633

Cited by 37 publications

(24 citation statements)

References 13 publications

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“…The reflection coefficient of the proposed sensor changes from −43.5 to −28 dB when the glucose concentration changes from 250 to 16 000 mg/dl. This is a wider range in the reflection coefficient compared to a previous study [14], which results in higher sensitivity as shown in Table 1. However, there was not much change in the transmission coefficient.…”

Section: Resultsmentioning

confidence: 62%

“…Hasan et al . developed a non-invasive cylindrical dielectric resonator to measure the blood glucose level [14]. Nevertheless, the sensitivity of this sensor was relatively low.…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, open waveguide structures were used to study the effect of varying glucose levels on the waveguide's scattering parameters (S-parameters) up to 20 GHz [13]. Hasan et al developed a non-invasive cylindrical dielectric resonator to measure the blood glucose level [14]. Nevertheless, the sensitivity of this sensor was relatively low.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A novel approach to non-invasive blood glucose sensing based on a single-slot defected ground structure

Mansour

Allam

Abdel‐Rahman

2022

Int. J. Microw. Wireless Technol.

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In this study, we explore a novel approach to measure blood glucose concentration in a non-invasive way using a compact defected ground structure (DGS) filter. The proposed sensor is promising because it is cost-effective, compact, non-ionizing in nature, and convenient for diabetics. Therefore, a portable microwave biosensor can be utilized using these features. In this study, we present a single DGS sensor which is designed on a Rogers RO4003C substrate and fed by a 50 Ω microstrip line, and operating in the industrial, scientific, and medical radio bands (2.4–2.5 GHz). The changes in dielectric properties in blood are mainly relying on glucose concentrations. The main concept of using a sensor is by placing a finger on the sensing area (the slot). The filter is demonstrated by simulations using CST Microwave Studio. Additionally, the blood layer with different glucose concentrations from 250 to 16 000 mg/dl is presented by the Cole–Cole model. The sensor can achieve a relatively good sensitivity of 7.8285 kHz/mg/dl. The size of the fabricated sensor is 40 × 40 × 0.883 mm3, which is suitable for hand-held use.

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Section: Resultsmentioning

confidence: 62%

“…Hasan et al . developed a non-invasive cylindrical dielectric resonator to measure the blood glucose level [14]. Nevertheless, the sensitivity of this sensor was relatively low.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A novel approach to non-invasive blood glucose sensing based on a single-slot defected ground structure

Mansour

Allam

Abdel‐Rahman

2022

Int. J. Microw. Wireless Technol.

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show abstract

“…A change in the glucose concentration will cause a change in the dielectric properties of the tissue and thus impedance, and is the input into the sensor circuit. Sensors include microstrip patch antennas [177], spiral microstrip resonator [178,179], open-loop microstrip resonator [180][181][182], split-ring resonators [1,183,184], patch resonators [172] and dielectric resonator antennas [185]. These sensors have different principles of operation, but they are based on the same idea of measuring changes in glucose concentration by measuring the reflected changes in amplitude and resonant frequency of sensors' response.…”

Section: Millimeter Wave/microwave/ultra-high Frequency Wave Sensingmentioning

confidence: 99%

Review of Non-Invasive Glucose Sensing Techniques: Optical, Electrical and Breath Acetone

Shokrekhodaei

Quinones

2020

Sensors

156

109

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Annual deaths in the U.S. attributed to diabetes are expected to increase from 280,210 in 2015 to 385,840 in 2030. The increase in the number of people affected by diabetes has made it one of the major public health challenges around the world. Better management of diabetes has the potential to decrease yearly medical costs and deaths associated with the disease. Non-invasive methods are in high demand to take the place of the traditional finger prick method as they can facilitate continuous glucose monitoring. Research groups have been trying for decades to develop functional commercial non-invasive glucose measurement devices. The challenges associated with non-invasive glucose monitoring are the many factors that contribute to inaccurate readings. We identify and address the experimental and physiological challenges and provide recommendations to pave the way for a systematic pathway to a solution. We have reviewed and categorized non-invasive glucose measurement methods based on: (1) the intrinsic properties of glucose, (2) blood/tissue properties and (3) breath acetone analysis. This approach highlights potential critical commonalities among the challenges that act as barriers to future progress. The focus here is on the pertinent physiological aspects, remaining challenges, recent advancements and the sensors that have reached acceptable clinical accuracy.

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“…e microwave sensors also reduce the cost of measurement and production. Various mechanisms of microwave sensors have been presented recently for dielectric characterisation of materials, including transmission line-based resonator [1,2], cavity-based resonator [3,4], oval wing resonator [5], and antenna-based resonator [6,7]. Besides, the existing sensors have been presented for different applications such as material detection [8], label-free sensing of DNA [9], bacterial growth monitoring [10], and imaging of the breast [11].…”

Section: Introductionmentioning

confidence: 99%

Millimetre-Wave Metamaterial-Based Sensor for Characterisation of Cooking Oils

Qureshi

Abidin

Ashyap

et al. 2021

International Journal of Antennas and Propagation

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The characterisation of the cooking oils presents a significant challenge due to minor changes in their dielectric behaviour. In this paper, a new metamaterial-based sensor incorporating a split-ring resonator (SRR) with a microstrip transmission line is presented to characterise cooking oils. The design demonstrates metamaterial characteristics of negative permittivity and permeability simultaneously at the resonance frequency. Furthermore, its operation in the range of millimetre-wave frequencies can further enhance its sensitivity, especially for liquid materials. The sensor’s novelty is the operation at millimetre-wave frequencies that offers a high shift in the transmission coefficient while operating at 30 GHz. The sensor’s performance analysis is undertaken by using six MUTs with dielectric constants ranging from 0.126 to 4.47. The presented structure designed on 12 × 8 mm2 Rogers substrate offers a sensitivity of 1.12 GHz per unit change in dielectric constant. The phase's shift demonstrates a lower percentage error than the amplitude and linearly moves towards higher frequencies with the increase in dielectric constant and tangent loss of MUT. The designed sensor can be prominently useful for detecting liquids' chemical characteristics in chemistry and medicine fields.

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Cylindrical Dielectric Resonator Antenna Sensor for Non-Invasive Glucose Sensing Application

Cited by 37 publications

References 13 publications

A novel approach to non-invasive blood glucose sensing based on a single-slot defected ground structure

A novel approach to non-invasive blood glucose sensing based on a single-slot defected ground structure

Review of Non-Invasive Glucose Sensing Techniques: Optical, Electrical and Breath Acetone

Millimetre-Wave Metamaterial-Based Sensor for Characterisation of Cooking Oils

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