Results 51 to 60 of about 282,489 (306)

Impedance analysis of oil conductivity and pixel non-uniformity in electrowetting displays

open access: yesResults in Physics, 2020
The electrical conductivity of the oil film is a key property of electrowetting displays (EWD) and its evolution probably correlates to the device lifetime. In this report, we fabricate an EWD device and measure its electrical impedance spectrum.
Bojian Xu   +6 more
doaj   +1 more source

The detection of cervical intraepithelial neoplasia by electrical impedance spectroscopy: The effects of acetic acid and tissue homogeneity [PDF]

open access: yes, 2009
Objective. To evaluate the efficacy of an electrical impedance probe (Epitheliometer) in the diagnosis of high grade cervical intraepithelial neoplasia (CIN) in women referred with cervical smear abnormalities and to assess the effect of acetic acid (AA)
Abdul   +20 more
core   +1 more source

On the selection of excitation signals for the fast spectroscopy of electrical bioimpedance

open access: yesJournal of Electrical Bioimpedance, 2018
Different excitation signals are applicable in the wideband impedance spectroscopy in general. However, in electrical bioimpedance (EBI) measurements, there are limitations that set specific demands on the properties of the excitation signals. This paper
Ojarand Jaan, Min Mart
doaj   +1 more source

Study on the Electrical Conduction Mechanism of Unipolar Resistive Switching Prussian White Thin Films

open access: yesNanomaterials, 2022
The electrical conduction mechanism of resistive switching Prussian white (PW) thin films obtained by the electrodeposition method was examined by AC impedance spectroscopy and DC current–voltage measurements.
Lindiomar B. Avila   +5 more
doaj   +1 more source

The intrinsic electrical equivalent circuit of a laser diode [PDF]

open access: yes, 1981
The basic electrical equivalent circuit of a laser diode is derived. The effects of spontaneous emission and self-pulsations are included. It is found that self-pulsations are represented by a negative resistance in the model.
Harder, C.   +4 more
core   +1 more source

Sensing Cell-Culture Assays with Low-Cost Circuitry [PDF]

open access: yes, 2018
An alternative approach for cell-culture end-point protocols is proposed herein. This new technique is suitable for real-time remote sensing. It is based on Electrical Cell-substrate Impedance Spectroscopy (ECIS) and employs the Oscillation-Based Test ...
Daza Navarro, María Paula   +7 more
core   +1 more source

Broadband electrical impedance spectroscopy for dynamic electrical bio-impedance characterization

open access: yes, 2023
The electrical impedance of biological samples is known in the literature as Electrical Bioimpedance (EBI). The Electrical Bioimpedance enables to characterize physiological conditions and events that are interesting for physiological research and medical diagnosis.
openaire   +4 more sources

Low-cost electrochemical impedance spectroscopy system for corrosion monitoring of metallic antiquities and works of art [PDF]

open access: yes, 1999
Electrochemical impedance spectroscopy (EIS) is recognized to be a powerful and noninvasive technique to test the integrity of protective coatings on memorials, but commercial EIS systems are rather costly though versatile devices. This paper describes a
Angelini, Emma Paola Maria Virginia   +5 more
core   +1 more source

Experimental Study of Electrical Properties of Pharmaceutical Materials by Electrical Impedance Spectroscopy

open access: yesApplied Sciences, 2020
The physicochemical characterization of pharmaceutical materials is essential for drug discovery, development and evaluation, and for understanding and predicting their interaction with physiological systems.
Manuel Vázquez-Nambo   +6 more
doaj   +1 more source

Olfactory receptors for a smell sensor: A comparative study of the electrical responses of rat I7 and human 17-40

open access: yes, 2011
In this paper we explore relevant electrical properties of two olfactory receptors (ORs), one from rat OR I7 and the other from human OR 17-40, which are of interest for the realization of smell nanobiosensors.
Alfinito, E.   +2 more
core   +1 more source

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