Search Results - "RIU, P. J."

In Vivo and In Situ Ischemic Tissue Characterization Using Electrical Impedance Spectroscopy by CASAS, O., BRAGÓS, R., RIU, P. J., ROSELL, J., TRESÀNCHEZ, M., WARREN, M., RODRIGUEZ-SINOVAS, A., CARREÑO, A., CINCA, J.

“…The investigation of processes of ischemia in different organ tissues is very important for the development of methods of protection and preservation during…”
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Heating of tissue by near-field exposure to a dipole: a model analysis by Riu, P.J., Foster, K.R.

“…We report a numerical study of the induced electric fields and specific absorption rate (SAR) produced by microwave radiation from a half-wavelength dipole…”
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Electrical impedance tomography in acute lung injury by Riera, J, Riu, P J, Casan, P, Masclans, J R

“…Electrical impedance tomography has been described as a new method of monitoring critically ill patients on mechanical ventilation. It has recently gained…”
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Thermal diagnostics front-end electronics for LISA Pathfinder by Sanjuán, J, Lobo, A, Nofrarias, M, Ramos-Castro, J, Riu, P J

“…Precision temperature measurements are required in the LTP, the LISA technology package, for various diagnostics objectives. In this article, we describe in…”
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Biomass Monitoring Using Impedance Spectroscopy by BRAGOS, R., GÁMEZ, X., CAIRÓ, J., RIU, P. J., GÒDIA, F.

“…The biomass density in biotechnological processes is often determined by indirect and manual methods. Electrical impedance spectroscopy can provide online…”
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Assessing Pulmonary Function Parameters Non-invasively by Electrical Bioimpedance Tomography by Vargas-Luna, F. M., Delgadillo-Cano, M. I., Riu-Costa, J. P., Kashina, S., Balleza-Ordaz, J. M.

“…Purpose Electrical Impedance Tomography (EIT) holds promise as a non-invasive method for measuring lung airflow, particularly in patients diagnosed with…”
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Multi-frequency static imaging in electrical impedance tomography: Part 1. Instrumentation requirements by Riu, P J, Rosell, J, Lozano, A, Pallàs-Areny, R

“…Static images of the human body using electrical impedance tomography techniques can be obtained by measuring at two or more different frequencies. The…”
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A parallel broadband real-time system for electrical impedance tomography by Casas, O, Rosell, J, Bragós, R, Lozano, A, Riu, P J

“…This paper deals with the design, implementation and performance of TIE-4sys, an electrical impedance tomograph. This instrument is a parallel broad-band…”
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Algorithms for parametric images in MEIT systems by Casas, O, Bragós, R, Riu, P J, Rosell, J

“…In this work we show the algorithms developed to extract the Cole parameters from multi-frequency EIT. With these parameters it is possible to obtain…”
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Electrical impedance tomography of the eye: in vitro measurements of the cornea and the lens by Jürgens, I, Rosell, J, Riu, P J

“…This study was designed to perform multifrequency impedance measurements on the pig's eye. On one hand, impedance of the ocular tissues was measured from 10…”
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Monitoring body fluid shifts during haemodialysis (HD) using electrical bioimpedance measurments by Al-Surkhi, O I, Riu, P J, Jaffrin, M Y

“…The investigation of the hydration process during the haemodialysis treatment sessions is very important for the development of methods for predicting the…”
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Broadband quasi-differential multifrequency electrical impedance imaging system by Riu, P J, Bragós, R, Rosell, J

“…Dynamic and multifrequency imaging methods have been demonstrated both theoretically and experimentally. Multifrequency methods are able to produce images of…”
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Indicator for hydration balance during haemodialysis based on anisotropic FEM by Freiberger, M, Brunner, P, Mayer, M, Surkhi, O I, Riu, P J, Scharfetter, H

“…The current paper proposes a new indicator for well-balanced dehydration of patients undergoing a haemodialysis. It is based on an estimator for the…”
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Bio-impedance active electrode for in vivo measurement by RECORD, P. M, ROSELL, X, RIGAUD, B, COSTA RIU, P. J

“…There is a requirement in the bioelectric field to stimulate tissue and measure its response. In bioimpedance, especially electrical impedance tomography,…”
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Wet tests under AC voltage and switching impulses procedure and significant parameters by Riu, J.P., Hutzler, B., Rowe, S.W., Huc, J., Maurin, P.

“…The lack of reproducibility of wet tests, especially under AC voltage, has been a critical problem for acceptance tests or sampling tests. For this reason a…”
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Propagation of measurement noise through backprojection reconstruction in electrical impedance tomography by Frangi, A.R., Riu, P.J., Rosell, J., Viergever, M.A.

“…A framework to analyze the propagation of measurement noise through backprojection reconstruction algorithms in electrical impedance tomography (EIT) is…”
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Heating of tissues by microwaves: A model analysis by Foster, Kenneth R., Lozano-Nieto, Albert, Riu, Pere J., Ely, Thomas S.

“…We consider the thermal response times for heating of tissue subject to nonionizing (microwave or infrared) radiation. The analysis is based on a dimensionless…”
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Minimally invasive in vivo human lung tissue bioimpedance measurements during the bronchoscopy procedure by Sanchez, B., Vandersteen, G., Martin, I., Castillo, D., Torrego, A., Riu, P. J., Schoukens, J., Bragos, R.

“…Respiratory diseases, which include diseases of the lung, pleura, bronchial tree, trachea, upper respiratory tract and of the respiratory muscles and nerves,…”
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A thermal model for human thresholds of microwave-evoked warmth sensations by Riu, Pere J., Foster, Kenneth R., Blick, Dennis W., Adair, Eleanor R.

“…Human thresholds for skin sensations of warmth were measured at frequencies from 2.45 to 94 GHz. By solving the one‐dimensional bioheat equation, we calculated…”
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Monitoring Cole-Cole Parameters During Haemodialysis (HD) by Al-Surkhi, O.I., Riu, P.J., Vazquez, F.F., Ibeas, J.

“…The investigation of the hydration process during the haemodialysis treatment sessions is very important for the development of methods for predicting the…”
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