IEEE MTT-S International Microwave Bio Conference ((IMBIOC)
2023 IEEE MTT-S International Microwave Biomedical Conference (IMBioC)
11-13 Sept. 2023
Showing 1-25 of 70
Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
Microwave Biomedical Conference (IMBioC), 2023 IEEE MTT-S International
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Saddle Point-Based Description of the Propagating Pulse Dynamics in Skin Tissues and Phantoms Represented by Cole-Cole and Debye Models
Publication Year: 2023,Page(s):1 - 3
The propagating pulse dynamics in, artificial and in-vivo, skin tissues and skin phantoms, that are represented by multiple-resonance Cole-Cole and Debye models, are shown to be accurately derived from the respective dynamics of the saddle points of the phase function appearing in the unified, exact integral expression of the propagating pulse. It is shown that the dynamical evolution of such a sa...Show More
A Fully Integrable 915MHz Implantable Antenna System for Long-Range Telemetry in Rodents
Kevin A. Kam;Vikrant Kumar;Casey K. Lardner;Isabelle Mollicone;Dani Dumitriu;Ioannis Kymissis
Publication Year: 2023,Page(s):55 - 57
Cited by: Papers (1)
In this paper, an implantable planar inverted-F antenna (PIFA) operating in the industrial, scientific, and medical (ISM) band (915 MHz) is proposed. It was designed and fabricated on a flex printed circuit board (PCB) platform and is capable of full integration with driving circuitry for biopotential measurements. The antenna's dimensions (26mm x 54mm x 0.2mm) were optimized for implantation and ...Show More
A Data-Driven Method for Minimizing the Positioning Errors in Breast Microwave Sensing
Jordan Krenkevich;Tyson Reimer;Gabrielle Fontaine;Stephen Pistorius
Publication Year: 2023,Page(s):124 - 126
Cited by: Papers (1)
Prior knowledge of the tissue locations is required to determine if an algorithm can accurately locate a tumour in breast microwave sensing (BMS). The localization error, defined as the distance between the actual and reconstructed tumour locations, has been used to quantify the accuracy of a reconstruction algorithm in BMS. However, the actual tumour location may be affected by systematic setup p...Show More
Improved Tissue Mimicking Materials for Shell-Based Phantoms in Breast Microwave Sensing
Jordan Krenkevich;Gabrielle Fontaine;Tyson Reimer;Stephen Pistorius
Publication Year: 2023,Page(s):46 - 48
Breast microwave sensing has shown encouraging results as a method for breast cancer detection. Accurate breast phantoms are required to test and optimize this method before clinical trials, and several types of phantoms have been proposed. No single phantom type that meets all the requirements has yet been established. MRI-derived 3D-printed shells can be used to represent the breast morphology. ...Show More
Novel Antenna Design for Surface Wave Suppression in Microwave Breast Screening
Publication Year: 2023,Page(s):157 - 159
Cited by: Papers (1)
One of the challenges of antenna design for microwave-based breast screening systems is to minimize the surface waves propagating at the interface between the substrate and the biological tissue. The surface waves become additionally pronounced inside the substrate with a confining ground plane, which is required for unidirectionality and blocks environmental radiation. This paper introduces a sim...Show More
Low-cost Portable Sensing System for Organic Tissue Detection and Differentiation
Publication Year: 2023,Page(s):184 - 186
Cited by: Papers (2)
In this work we present a portable sensing system for organic tissue detection and differentiation. The presented system operates in the microwave frequency range. Its sensing component was optimized to spatially differentiate two types of tissues with relative dielectric contrast sufficiently greater than one: muscle and fat. The system is made of low-cost microwave components and presents proof ...Show More
The Limits of Implantable Bluetooth Links in DIY Gel Phantoms: A Channel Gain Evaluation
Publication Year: 2023,Page(s):178 - 180
Despite the extensive research in implantable anten-nas, there are limited reports of practical biotelemetry links or the effects of the channel on in-body communication in ISM-bands. We present a detailed evaluation of an in-body/off-body link using a lossy phantom, showing for the first time the effects of the human body complementing phantom-based studies. A 2.4 GHz patch antenna, with a peak m...Show More
Conformal Occipital 18-Channel Receive-Only RF Coil for 3T MRI
Publication Year: 2023,Page(s):1 - 3
Cited by: Papers (2)
With this work, we demonstrate that a receive-only radio-frequency (RF) coil array can be segmented into smaller sub-arrays mounted on flexible plates, with the aim to improve whole brain Magnetic Resonance Imaging (MRI) for varying head sizes. In our approach, a sub-array of 18 elements was implemented on a flexible 3D-printed thermoplastic polyurethane (TPU) substrate, shaped to cover the occipi...Show More
Textile Inductive Resonant Wireless Link for Movement Recognition
Publication Year: 2023,Page(s):118 - 120
This paper presents a textile inductive resonant wireless link for joint flexion recognition. The proposed system consists of a transmitting and a receiving resonators and two relays. Results obtained for the elbow are presented and discussed. It is demonstrated that the elbow flexion angle can be identified by observing the transmission coefficient of the inductive wireless link.Show More
Design and Implementation of a Hybrid Wireless Power and Communication System for Medical Implants
Publication Year: 2023,Page(s):52 - 54
Data collection and analysis from multiple implant nodes in humans can provide targeted medicine and treatment strategies that can prevent many chronic diseases. This data can be collected for a long time and processed using artificial intelligence (AI) techniques in a medical network for early detection and prevention of diseases. Additionally, machine learning (ML) algorithms can be applied for ...Show More
Bone Tissue Chirality: A Feasibility Study in Microwave Sensing for Non-Invasive Health Assessment
Ali Nafar;Javad Ebrahimizadeh;Karim Mohammadpour Aghdam;Guy A.E Vandenbosch;Esfandiar Mehrshahi;Shokrollah Karimian
Publication Year: 2023,Page(s):1 - 3
In this study, the chirality parameter of bone tissue is investigated in microwave frequencies. A proof-of-concept measurement was conducted on fresh bovine bone tissue, providing evidence for the feasibility of this approach. The incorporation of the electromagnetic chirality parameter introduces a new dimension to the understanding of bone health, which complements traditional methods that focus...Show More
Finger Models: Example of Complex Geometry in Investigations on Microwave Skin Cancer Diagnosis
Publication Year: 2023,Page(s):154 - 156
Micro/mm-wave technology is a promising tool for the early diagnosis of skin cancers. It is important that the models, whether for numerical or experimental phantom investigations, be a good anatomical representation of the tissue distribution. Most models for skin cancer diagnoses consider layered media (skin, fat) with tumor inclusions. However, the human body has a number of extremities of a mo...Show More
Dual Mode Split Ring Resonator Sensing and Hyperthermia Array for Skin
Publication Year: 2023,Page(s):79 - 81
Cited by: Papers (1)
We present a dual mode, high sensitivity and low-cost applicator array based on split ring resonators (SRR) and microstrip coupled lines, serving as both an imaging and treatment tool for skin cancers. The applicator array consists of 3x3 unit cells, in which each unit in a row is tuned to a separate frequency, ranging from 8 to 15 GHz (unloaded). The via fences surrounding the unit cells provide ...Show More
System Considerations and FMCW Radar Transceiver for Breast Cancer Detection
Publication Year: 2023,Page(s):1 - 3
Cited by: Papers (5)
Breast cancer detection with radar systems is an attractive alternative to conventional X-ray mammography. There are numerous publications that deal with this topic discussing the use of frequencies up to the millimeter wave range. However, one aspect that is often neglected is that human tissue differs from person to person and therefore cannot be described by a single material model. In this pap...Show More
Comparison of Two Thermal Probe Technologies for the Dosimetric Investigations of RF Exposure Systems
Publication Year: 2023,Page(s):1 - 3
Cited by: Papers (1)
Exposure to radiofrequency waves (RF) happens everyday but little is know about the potential induced toxicity. It is therefore essential to carry out studies with rigorous experimental protocols and accurate dosimetry. To do this, we can characterize the dosimetric characteristics, namely the specific absorption rate (SAR) of the emitted RF waves and the induced thermal increment by monitoring th...Show More
Importance of Antenna Array Positions in Classification of Microwave Bladder Fullness
Publication Year: 2023,Page(s):100 - 102
Microwave-based detection of the full bladder may provide a non-invasive, low-cost strategy for supporting individuals with various types of urinary incontinence, including children undergoing toilet training, the elderly in care homes, and individuals with spinal cord injuries. In this work, we use a highly realistic model of the pelvic region with wearable antennas adhered to the skin. We invest...Show More
The Impact of Cold Storage on the Microwave Dielectric Properties of Normal Human Urine
Publication Year: 2023,Page(s):1 - 3
The dielectric properties of human tissues are important parameters in the design and development of microwave medical devices and the assessment of safety of wireless and wearable technologies. These properties of biological tissues are known to vary based on temperature and tissue handling procedures. In this work, we study the effect of refrigeration and freezing on the dielectric properties of...Show More
Machine Learning for Broadband Complex Permittivity Based Accurate Detection Technology
S. Li;H. Yuan;L. Shao;M. Du;L. Fang;L. Si;H. Sun;X. Bao;Li Wang;M. Zhang;J. Bao;B. Nauwelaers
Publication Year: 2023,Page(s):145 - 147
A novel machine learning based method over a wide-band for the detection of the temperature and concentration of water solution is provided. Compared with the traditional interpolation fitting methods, like the Debye equation, wide-band prediction can avoid the contingency of single frequency point and increase the prediction accuracy. Moreover, this method does note need to fit the equation, so i...Show More
A Double-Band Resonance Sensor for Complex Permittivity Characterization of Liquids
M. Du;S. Li;L. Shao;H. Yuan;J. Ma;L. Si;H. Sun;X. Bao;M. Zhang;J. Bao;B. Nauwelaers
Publication Year: 2023,Page(s):181 - 183
Cited by: Papers (1)
A high sensitivity double-band resonance sensor based on a planar microstrip structure is proposed for complex permittivity measurements of liquids. Two split-ring resonators (SRRs) are combined with a microstrip line to expand the operating bandwidth. The sensor employs an array of interdigital capacitors (IDCs) to achieve higher sensitivity. Validation tests conducted on methanol-ethanol liquid ...Show More
Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
Microwave Biomedical Conference (IMBioC), 2023 IEEE MTT-S International
- Print on DemandPurchase at Partner
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