CMOS based whole cell impedance sensing: Challenges and future outlook

A Hedayatipour, S Aslanzadeh, N McFarlane - Biosensors and …, 2019 - Elsevier
With the increasing need for multi-analyte point-of-care diagnosis devices, cell impedance
measurement is a promising technique for integration with other sensing modalities. In this …

Wearables for the next pandemic

A Hedayatipour, N Mcfarlane - Ieee Access, 2020 - ieeexplore.ieee.org
This paper reviews the current state of the art in wearable sensors, including current
challenges, that can alleviate the loads on hospitals and medical centers. During the COVID …

Compliant lightweight non-invasive standalone “Marine Skin” tagging system

JM Nassar, SM Khan, SJ Velling, A Diaz-Gaxiola… - npj Flexible …, 2018 - nature.com
Current marine research primarily depends on weighty and invasive sensory equipment and
telemetric network to understand the marine environment, including the diverse fauna it …

Polysquaraines: Novel humidity sensor materials with ultra-high sensitivity and good reversibility

X **ao, QJ Zhang, JH He, QF Xu, H Li, NJ Li… - Sensors and Actuators B …, 2018 - Elsevier
Various materials have been successfully applied in commercial humidity sensors, but their
response/recovery time and sensitivity need to be improved. In this paper, a novel humidity …

An efficient interface circuit for lossy capacitive sensors

AU Khan, T Islam, B George… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a low-cost interface circuit for lossy capacitive sensors. Most of the
capacitive sensors are lossy in nature, where the resistance value of the sensor significantly …

A linear capacitive sensor for ppm moisture measurement in SF₆ gas-insulated switchgear

ZH Zargar, KJ Akram, GR Biswal… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Moisture measurement and control is very essential for gas-insulated switchgear (GIS). For
safe and reliable operation, the moisture inside GIS needs to be kept within the prescribed …

A time domain bridge-based impedance measurement technique for wide-range lossy capacitive sensors

S Malik, K Kishore, T Islam, ZH Zargar… - Sensors and Actuators A …, 2015 - Elsevier
In this paper, a new, simple and accurate impedance measurement technique (IMT) for wide
range lossy capacitive sensor is proposed. The proposed technique accepts sensors having …

A wearable CMOS impedance to frequency sensing system for non-invasive impedance measurements

A Hedayatipour, S Aslanzadeh… - … Circuits and Systems, 2020 - ieeexplore.ieee.org
In this paper, we demonstrate a novel non-invasive, wearable impedance sensor. The
impedance sensor, using an impedance to frequency measurement, with two modes of …

Impedance-to-time converter circuit for leaky capacitive sensors with small offset capacitance

S Malik, M Ahmad, S Laxmeesha, T Islam… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
Capacitive sensors suffer from problems of the parasitic and offset capacitors. Also, in some
capacitive sensors, leaky resistors carry information along with the sensor capacitor. An …

AN-C2V: an auto-nulling bridge-based signal conditioning circuit for leaky capacitive sensors

S Malik, L Somappa, M Ahmad… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
This paper presents a fully analog auto-nulling bridge based capacitance-to-voltage (AN-
C2V) converter circuit for measuring the capacitive component of the leaky capacitive …