Contact-free, passive, electromagnetic resonant sensors for enclosed biomedical applications: A perspective on opportunities and challenges

AR Carr, YJ Chan, NF Reuel - ACS sensors, 2023 - ACS Publications
Inexpensive and accurate tools for monitoring conditions in enclosed environments (through
garments, bandages, tissue, etc.) have been a long-standing goal of medicine. Passive …

High-resolution, sensitivity-enhanced active resonator sensor using substrate-embedded channel for characterizing low-concentration liquid mixtures

S Mohammadi, KK Adhikari, MC Jain… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Sensitivity and resolution are important parameters that pose a significant challenge in using
microwave microfluidic sensors to monitor low-concentration binary liquid mixtures. This …

Selective real-time non-contact multi-variable water-alcohol-sugar concentration analysis during fermentation process using microwave split-ring resonator based …

N Hosseini, M Baghelani - Sensors and Actuators A: Physical, 2021 - Elsevier
Real-time fermentation process monitoring is extremely important in process control
attaining high quality products in many food industries. Although microwave resonators offer …

Reflective-mode phase-variation submersible sensor for liquid characterization

L Su, P Vélez, P Casacuberta… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
A one-port reflective-mode microwave submersible sensor based on an open-ended step-
impedance microstrip line configuration, operating at a single frequency, useful for the …

High-resolution PEDOT: PSS-based planar microwave resonator sensor

M Moradpour, MH Zarifi - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
This work presents a polymer-based, high-resolution microwave split-ring resonator (SRR),
where metal microstrip lines of the SRR were replaced by poly (3, 4-ethylenedioxythiophene …

Effects of losses on the sensitivity of reflective-mode phase-variation liquid sensors

P Vélez, X Canalias, J Muñoz-Enano… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This article is focused on the analysis of the effects of losses on the sensitivity of reflective-
mode phase-variation liquid sensors implemented by means of an open-ended (either …

Artificial intelligence assisted noncontact microwave sensor for multivariable biofuel analysis

M Baghelani, N Hosseini… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Multivariable component analysis is one of the most challenging topics in the area of
microwave resonator based sensors. In this article, a new approach is developed for …

Dynamically tunable planar microwave resonator sensor using liquid metal alloy

MA Rafi, F Niknahad, BD Wiltshire… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Microwave resonant sensors are limited in their current form to a static resonant frequency,
which can lead to misidentification when two materials or mixtures with similar dielectric …

Wide-band label-free selective microwave resonator-based sensors for multi-component liquid analysis

M Baghelani - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
In this work, a novel method for non-invasive, label-free, multi-variable volumetric
concentration analysis of mixtures is presented based on wide-band microwave resonators …

Highly sensitive microwave sensor for high precision sensing of water contamination in mineral oil

M Baghelani, O Hasan-Nejad… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
One of the most important characteristics of planar microwave resonator-based sensors is
their sensitivity. Since their measuring parameter is resonance frequency shift, the sensitivity …