How to choose a proper theoretical analysis model based on cell adhesion and nonadhesion impedance measurement

M Wei, R Zhang, F Zhang, N Yang, Y Zhang, G Li - ACS sensors, 2021 - ACS Publications
The accurate equivalent circuit model contributes to the better fitting of required cell
characteristics, such as cell impedance, cell adhesion area, and cell–electrode distance …

Human breast cancer cells demonstrate electrical excitability

M Ribeiro, A Elghajiji, SP Fraser, ZD Burke… - Frontiers in …, 2020 - frontiersin.org
Breast cancer is one of the most prevalent types of cancers worldwide and yet, its
pathophysiology is poorly understood. Single-cell electrophysiological studies have …

Ultra-low noise PEDOT: PSS electrodes on bacterial cellulose: A sensor to access bioelectrical signals in non-electrogenic cells

PMC Inácio, MCR Medeiros, T Carvalho, RC Felix… - Organic …, 2020 - Elsevier
This study is focused on the particular advantages of organic-based devices to measure
cells that do not generate action potentials, also known as non-electrogenic cells. While …

Extracellular electrophysiology in the prostate cancer cell model PC-3

M Cabello, H Ge, C Aracil, D Moschou, P Estrela… - Sensors, 2019 - mdpi.com
Although prostate cancer is one of the most common cancers in the male population, its
basic biological function at a cellular level remains to be fully understood. This lack of in …

Extracellular electrical recording of pH-triggered bursts in C6 glioma cell populations

PRF Rocha, MCR Medeiros, U Kintzel, J Vogt… - Science …, 2016 - science.org
Glioma patients often suffer from epileptic seizures because of the tumor's impact on the
brain physiology. Using the rat glioma cell line C6 as a model system, we performed long …

Ultrasensitive gold micro-structured electrodes enabling the detection of extra-cellular long-lasting potentials in astrocytes populations

ALG Mestre, M Cerquido, PMC Inácio, S Asgarifar… - Scientific Reports, 2017 - nature.com
Ultra-sensitive electrodes for extracellular recordings were fabricated and electrically
characterized. A signal detection limit defined by a noise level of 0.3–0.4 μV for a bandwidth …

Ultrasensitive system for electrophysiology of cancer cell populations: A review

PRF Rocha, A Elghajiji, D Tosh - Bioelectricity, 2019 - liebertpub.com
Bioelectricity is the electrical activity produced by living organisms. Understanding the role of
bioelectricity in a disease context is important as it contributes to both disease diagnosis and …

Bioelectrical signal detection using conducting polymer electrodes and the displacement current method

PMC Inácio, ALG Mestre… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
Conducting polymer electrodes based on poly (3, 4 ethylenedioxythiophene): polystyrene
sulfonate were used to record electrophysiological signals from autonomous cardiac …

Microfluidics integration into low-noise multi-electrode arrays

M Ribeiro, P Ali, B Metcalfe, D Moschou, PRF Rocha - Micromachines, 2021 - mdpi.com
Organ-on-Chip technology is commonly used as a tool to replace animal testing in drug
development. Cells or tissues are cultured on a microchip to replicate organ-level functions …

Extracellular electrophysiological measurements of cooperative signals in astrocytes populations

ALG Mestre, PMC Inácio, Y Elamine… - Frontiers in neural …, 2017 - frontiersin.org
Astrocytes are neuroglial cells that exhibit functional electrical properties sensitive to
neuronal activity and capable of modulating neurotransmission. Thus, electrophysiological …