Results 281 to 290 of about 264,014 (327)

Monitoring living tissues by electrical impedance spectroscopy

Annals of Biomedical Engineering, 1994
Solving the experimental difficulties associated with measurement of the electrical impedance of living tissues gives access to valuable tissue compartment parameters which are sensed within seconds using minimally invasive, simple metallic electrodes.
P, Héroux, M, Bourdages
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Studying the effect of alkali dosage on microstructure development of alkali-activated slag pastes by electrical impedance spectroscopy (EIS)

, 2020
In this study, electrical impedance spectroscopy (EIS) is applied to investigate the effect of alkali dosage on the microstructural evolution of the alkali-activated slag (AAS) system during the curing process.
Xiang Hu, C. Shi, X. Liu, Zuhua Zhang
semanticscholar   +1 more source

Classification of breast tissue by electrical impedance spectroscopy

Medical & Biological Engineering & Computing, 2000
Electrical impedance spectroscopy is a minimally invasive technique that has clear advantages for living tissue characterisation owing to its low cost and ease of use. The present paper describes how this technique can be applied to breast tissue classification and breast cancer detection.
J E, da Silva, J P, de Sá, J, Jossinet
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Parametric modelling for electrical impedance spectroscopy system

Medical & Biological Engineering & Computing, 1996
Three parametric modelling approaches based on the Cole-Cole model are introduced. Comparison between modelling only the real part and modelling both the real and imaginary parts is carried out by simulations, in which random and systematic noise are considered, respectively.
L, Lu, L, Hamzaoui, B H, Brown, B, Rigaud, R H, Smallwood, D C, Barber, J P, Morucci   +6 more
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Electrical impedance spectroscopy and the diagnosis of bladder pathology

Physiological Measurement, 2006
Bladder pathology is usually investigated visually by cystoscopy. At present, definitive diagnosis of the bladder can be made by biopsy only, usually under general anaesthesia. This is a relatively high-cost procedure in terms of both time and money and is associated with discomfort for the patient and morbidity.
Ahmad, Keshtkar, Asghar, Keshtkar, Rod H, Smallwood   +2 more
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Electrical Impedance Spectroscopy and Roots

2011
This chapter reviews studies dealing with the characterization of the plant root system by the electrical impedance method, i.e., with resistance and capacitance at a single frequency or at multifrequencies, according to the approach used in electrical impedance spectroscopy (EIS). Several studies have shown a correlation between electrical capacitance
Repo, Tapani, Cao, Yang, Silvennoinen, Raimo, Ozier Lafontaine, Harry   +3 more
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Electric impedance spectroscopy of human atherosclerotic lesions

Atherosclerosis, 2009
The aim of this in vitro study was to investigate the feasibility of a new highly flexible microelectrode on human tissue and its potential of differentiating atherosclerotic lesions by electric impedance spectroscopy (EIS).Electric impedance measurements (EIM) were performed on 148 spots of 7 aortic and 6 femoral human arteries at 1kHz, 10kHz and ...
Ines, Streitner, Markus, Goldhofer, Sungbo, Cho, Hagen, Thielecke, Ralf, Kinscherf, Florian, Streitner, Jürgen, Metz, Karl K, Haase, Martin, Borggrefe, Tim, Suselbeck   +9 more
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Direct assessment of skin epithelial barrier by electrical impedance spectroscopy

Allergy. European Journal of Allergy and Clinical Immunology, 2019
Many skin and mucosal inflammatory disorders, such as atopic dermatitis, have been associated with an impaired epithelial barrier function, which allows allergens, pollutants, or microbes to enter the tissue and activate the immune response.
Arturo O. Rinaldi, H. Morita, P. Wawrzyniak, A. Dreher, S. Grant, Per Svedenhag, C. Akdis   +6 more
semanticscholar   +1 more source

Electrical Impedance Spectroscopy

2018
This chapter gives some background on impedance spectroscopy and tissue impedance but also about the instrumentation used for measuring transfer impedance of a biological material under study. The instrumentation concerned here is the current source for applying a current to tissue and the differential amplifier for measuring the resultant voltage.
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Critical review on the analysis of electrochemical impedance spectroscopy data

Journal of Applied Physics
Electrochemical impedance spectroscopy (EIS) is a widely used analytical technique in electrochemistry and physics to study the electrical properties of conductive materials and their interfaces.
Sutanu Das, Ankita Banerjee, U. Nandi, A. Ghosh   +3 more
semanticscholar   +1 more source