Towards accurate microwave characterization of tissues: Sensing depth analysis of open-ended coaxial probes with ex vivo rat breast and skin tissues

C Aydinalp, S Joof, T Yilmaz - Diagnostics, 2021 - mdpi.com
Dielectric properties of biological materials are commonly characterized with open-ended
coaxial probes due to the broadband and non-destructive measurement capabilities …

Measurement and Analysis of In Vivo Microwave Dielectric Properties Collected from Normal, Benign, and Malignant Rat Breast Tissues: Classification Using …

NP Ozsobaci, E Onemli, C Aydinalp… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This work presents large-scale measurements of in vivo rat breast tissue dielectric properties
(DPs) from 0.5 to 6 GHz and classifies the collected data using supervised machine learning …

Sensing volume of open-ended coaxial probes for dielectric characterization of breast tissue at microwave frequencies

DM Hagl, D Popovic, SC Hagness… - IEEE Transactions …, 2003 - ieeexplore.ieee.org
We have used open-ended coaxial probes to determine the dielectric properties of freshly
excised normal and diseased breast tissue specimens. The considerable variability in size …

Quantification of the sensing radius of a coaxial probe for accurate interpretation of heterogeneous tissue dielectric data

A La Gioia, S Salahuddin… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
Accurate tissue dielectric measurements are crucial for the development of electromagnetic
diagnostic and therapeutic devices that are designed based on estimates of the dielectric …

Microwave open-ended coaxial dielectric probe: Interpretation of the sensing volume re-visited

PM Meaney, AP Gregory, NR Epstein, KD Paulsen - BMC medical physics, 2014 - Springer
Background Tissue dielectric properties are specific to physiological changes and
consequently have been pursued as imaging biomarkers of cancer and other pathological …

Characterization of open-ended coaxial probe sensing depth with respect to aperture size for dielectric property measurement of heterogeneous tissues

C Aydinalp, S Joof, I Dilman, I Akduman, T Yilmaz - Sensors, 2022 - mdpi.com
The open-ended coaxial probe (OECP) method is frequently used for the microwave
dielectric property (DP) characterization of high permittivity and conductivity materials due to …

Improved sensing volume estimates for coaxial probes to measure the dielectric properties of inhomogeneous tissues

A Farshkaran, E Porter - … , RF and Microwaves in Medicine and …, 2022 - ieeexplore.ieee.org
Accurate knowledge of the dielectric properties of biological tissues is fundamental for the
design of electromagnetic medical devices. The open-ended coaxial probe technique is …

In vivo dielectric properties of healthy and benign rat mammary tissues from 500 MHz to 18 GHz

T Yilmaz, F Ates Alkan - Sensors, 2020 - mdpi.com
This work investigates the in vivo dielectric properties of healthy and benign rat mammary
tissues in an attempt to expand the dielectric property knowledge of animal models. The …

Open-ended coaxial probe technique for dielectric measurement of biological tissues: Challenges and common practices

A La Gioia, E Porter, I Merunka, A Shahzad… - Diagnostics, 2018 - mdpi.com
Electromagnetic (EM) medical technologies are rapidly expanding worldwide for both
diagnostics and therapeutics. As these technologies are low-cost and minimally invasive …

Precision open-ended coaxial probes for in vivo and ex vivo dielectric spectroscopy of biological tissues at microwave frequencies

D Popovic, L McCartney, C Beasley… - IEEE Transactions …, 2005 - ieeexplore.ieee.org
Hermetic stainless-steel open-ended coaxial probes have been designed for precision
dielectric spectroscopy of biological tissue, such as breast tissue, over the 0.5-20-GHz …