Exploració per autor "García Sánchez, Tomás"
Ara es mostren els items 1-13 de 13
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A new spiral microelectrode assembly for electroporation and impedance measurements of adherent cell monolayers
García Sánchez, Tomás; Guitart, Maria; Rosell Ferrer, Francisco Javier; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (2014-08-01)
Article
Accés restringit per política de l'editorialIn this study, a new microelectrode assembly based on spiral geometry applicable to in situ electroporation of adherent cell monolayers on standard multiwell plates is presented. Furthermore, the structure is specially ... -
Automatic system for electroporation of adherent cells growing in standard multi-well plates
García Sánchez, Tomás; Guitart, Maria; Rosell Ferrer, Francisco Javier; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (IEEE, 2012)
Text en actes de congrés
Accés obertIn this study an automatic system is presented to perform electroporation, also known as electropermeabilization, on adherent cells. It is an intention of this system to apply electric field pulses directly to cells growing ... -
Design and implementation of a microelectrode assembly for use on noncontact in situ electroporation of adherent cells
García Sánchez, Tomás; Sanchez Ortiz, Beatriz; Vila, Ingrid; Guitart, M.; Rosell Ferrer, Francisco Javier; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (2012-10)
Article
Accés restringit per política de l'editorialIn situ electroporation of adherent cells provides significant advantages with respect to electroporation systems for suspension cells, such as causing minimal stress to cultured cells and simplifying and saving several ... -
Development of devices and techniques for electroporation and electrical impedance spectroscopy analysis of adherent cells
García Sánchez, Tomás (Universitat Politècnica de Catalunya, 2015-04-24)
Tesi
Accés obertThe present PhD dissertation is focused on the design and implementation of a microelectrode system capable of performing electroporation and electrical impedance measurements to adherent cell monolayers cultured in standard ... -
Early detection of acute transmural myocardial ischemia by the phasic systolic-diastolic changes of local tissue electrical impedance
Jorge, Esther; Amoros Figueras, Gerard; García Sánchez, Tomás; Bragós Bardia, Ramon; Rosell Ferrer, Francisco Javier; Cinca Cuscullola, Juan Maria (2016-02-01)
Article
Accés obertMyocardial electrical impedance is influenced by the mechanical activity of the heart. Therefore, the ischemia-induced mechanical dysfunction may cause specific changes in the systolic-diastolic pattern of myocardial ... -
Electrical impedance measurements on electropermeabilized cells attached to microelectrodes
García Sánchez, Tomás; Sánchez Terrones, Benjamin; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (Springer, 2014)
Comunicació de congrés
Accés restringit per política de l'editorialThe aim of this study is to use fast electrical impedance spectroscopy to measure the process of electroporation applied on cell monolayers growing attached to a specifically designed set of microelectrodes. The frequency ... -
Electrical impedance spectroscopy cell monitoring in a miniaturized bioreactor
Martinez Teruel, Jesus; García Sánchez, Tomás; Fontova i Sosa, Andreu Francesc; Bragós Bardia, Ramon (2013)
Text en actes de congrés
Accés obertElectrical impedance spectroscopy measurement of biologic materials provides information about viable cell density as well as cell size and shape homogeneity. Several experimental and even commercial biomass density probes ... -
Evolución dinámica de la membrana celular durante la electroporación: Medidas de espectroscopia de impedancia eléctrica
García Sánchez, Tomás; Gomez Foix, Anna Maria; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon (2014)
Comunicació de congrés
Accés obertLas medidas de las propiedades eléctricas de los tejidos biológicos son un instrumento interesante para la caracterización de procesos celulares. En el presente estudio se muestra como las medidas de espectroscopia de ... -
In vitro analysis of various cell lines responses to electroporative electric pulses by means of electrical impedance spectroscopy
García Sánchez, Tomás; Bragós Bardia, Ramon; Mir, Lluís M. (2018-10-15)
Article
Accés obertThis paper reports the comparative analysis, by means of electric impedance spectroscopy measurements, of three different cell lines subjected to electroporative pulses. The multifrequency information is recorded simultaneously ... -
Interpulse multifrequency electrical impedance measurements during electroporation of adherent differentiated myotubes
García Sánchez, Tomás; Azan, Antoine; Leray, Isabelle; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon; Mir, Lluís M. (2015-10-01)
Article
Accés obertIn this study, electrical impedance spectroscopy measurements are performed during electroporation of monolayers of differentiated myotubes. The time resolution of the system (1 spectrum/ms) enable 860 full spectra (21 ... -
Monitoring cell monolayers during electroporation: Electrical impedance spectroscopy measurements
García Sánchez, Tomás; Guitart, Maria; Sánchez Terrones, Benjamín; Rosell Ferrer, Francisco Javier; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (2013)
Text en actes de congrés
Accés obertElectroporation or electropermeabilization is a phenomenon observed when lipid bilayers, generally cell membranes, are exposed to high electric field pulses becoming transiently permeable to molecules that under regular ... -
Myocardial contractility assessed by dynamic electrical impedance measurements during dobutamine stress
García Sánchez, Tomás; Jorge, Esther; Amoros Figueras, Gerard; Bragós Bardia, Ramon; Cinca Cuscullola, Joan; Rosell Ferrer, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Comunicació de congrés
Accés restringit per política de l'editorialIn this study, the electrical impedance of myocardial tissue is measured dynamically during the cardial cycle. The multisine-based approach used to perform electrical impedance spectroscopy (EIS) measurements allows ... -
Recognition of fibrotic infarct density by the pattern of local systolic-diastolic myocardial electrical impedance
Amoros Figueras, Gerard; Jorge, Esther; García Sánchez, Tomás; Bragós Bardia, Ramon; Rosell Ferrer, Francisco Javier; Cinca Cuscullola, Juan Maria (2016-08-31)
Article
Accés obertMyocardial electrical impedance is a biophysical property of the heart that is influenced by the intrinsic structural characteristics of the tissue. Therefore, the structural derangements elicited in a chronic myocardial ...