Ara es mostren els items 1-20 de 69

  • 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'editorial
    In 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 ...
  • A novel sensor-bridge-to-microcontroller interface 

    Custodio Ruiz, Ángel; Bragós Bardia, Ramon; Pallàs Areny, Ramon (Institute of Electrical and Electronics Engineers, 2001-05)
    Text en actes de congrés
    Accés obert
    Sensor bridges are usually interfaced to microcontrollers by supplying the bridge with a voltage or current and digitizing the resulting voltage or current after being amplified and low-pass filtered. This paper proposes ...
  • A remote laboratory to promote the interaction between university and secondary education 

    Casany Guerrero, María José; Cabrera Beán, Margarita Asuncion; Bragós Bardia, Ramon; Pérez, Marimar; Sánchez Terrones, Benjamín; Guasch Petit, Antonio; Garófano, F.; Gomis Bellmunt, Oriol; Rius Casals, Juan Manuel (Universidad Politécnica de Madrid (UPM), 2010)
    Text en actes de congrés
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    iLabRS is a remote laboratory developed in Telecom BCN, the Telecom and Electronics Engineering School of the UPC with the key participation of a Secondary Education Technology teacher. Students and teachers can access ...
  • A simplified implementation of the O.U.R. stationary liquid mass balance estimation method for on-line monitoring in animal cell production processes 

    Fontova Sosa, Andreu; López Repullo, Jonatan; Lecina, Martí; Bragós Bardia, Ramon; Cairó, Jordi Joan (Springer, 2015)
    Comunicació de congrés
    Accés obert
  • Acció mobilitzadora per a la renovació de la metodologia docent en el primer curs dels nous graus a l'ETSETB 

    Bragós Bardia, Ramon (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2011-02-02)
    Comunicació de congrés / Text en actes de congrés
    Accés obert
  • 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
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    In 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 ...
  • Basics of broadband impedance spectroscopy measurements using periodic excitations 

    Sánchez Terrones, Benjamín; Vandersteen, Gerd; Bragós Bardia, Ramon; Schoukens, Johan (2012-08-21)
    Article
    Accés restringit per política de l'editorial
    Measuring the impedance frequency response of systems by means of frequency sweep electrical impedance spectroscopy (EIS) takes time. An alternative based on broadband signals enables the user to acquire simultaneous ...
  • Bioimpedància: una eina per a l'estudi dels teixits biològics i la diagnosi mèdica 

    Bragós Bardia, Ramon (Societat Catalana de Tecnologia, 2008-10-30)
    Audiovisual
    Accés obert
    La impedància elèctrica és la oposició que presenta un material al pas del corrent elèctric altern. La seva mesura dóna informació sobre aquelles propietats del material que es poden associar a la conducció elèctrica. ...
  • Cardiac tissue engineering by electrical stimulation with subcutaneous and cardiac adipose-tissue derived progenitor cells (ATDPCs) 

    Bayés-Genís, Antoni; Llucià-Valldeperas, Aida; Sánchez Terrones, Benjamín; Soler-Botija, C.; Roura, S.; Prat-Vidal, C.; Gálvez-Montón, C.; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon (Fundació 'La Caixa', 2011)
    Altres
    Accés restringit per política de l'editorial
    A major challenge of cardiac tissue engineering is directing cells to establish the physiological structure and function of the myocardium being replaced. In native heart, pacing cells generate electrical stimuli that ...
  • Circuits i dispositius electrònics : fonaments d'electrònica 

    Bragós Bardia, Ramon (Edicions UPC, 1998)
    Llibre
    Accés obert
    L'obra ha estat concebuda de forma autocontinguda, de manera que la pugui seguir qualsevol lector que no tingui més coneixements previs que els que hagi adquirit durant l'etapa preuniversitària. La primera part del llibre ...
  • Contactless electrical bioimpedance system for monitoring ventilation. A biodevice for vehicle environment 

    Macías Macías, Raúl; García González, Miguel Ángel; Ramos Castro, Juan José; Bragós Bardia, Ramon; Fernández Chimeno, Mireya (SciTePress, 2013)
    Text en actes de congrés
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    Nowadays, automotive companies are focused in improving road traffic safety. For that, not only the vehicle performance is improved but also the driver behavior is monitored. This could be done in many ways. One of them ...
  • 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'editorial
    In 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 ...
  • Designing CDIO capstone projects: a systems thinking approach 

    Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Camps Carmona, Adriano José; Bragós Bardia, Ramon; Oliveras Vergés, Albert; Pegueroles Vallés, Josep R.; Sayrol Clols, Elisa; Marqués Acosta, Fernando (2013)
    Text en actes de congrés
    Accés obert
    Given the all-pervasiveness of Systems thinking -which consists of thinking about things as systemsas a way of reasoning, in this work we will describe its application to make an interpretation of how to conceive and ...
  • Development and impedimetric evaluation of a magnetic interdigitated microelectrode 

    Sánchez Terrones, Benjamin; Vega Bru, Didac; Rodríguez Martínez, Ángel; Bragós Bardia, Ramon; Marco Colas, María Pilar; Valera Cano, Enrique Andrés (2014-11-01)
    Article
    Accés restringit per política de l'editorial
    A magnetic interdigitated microelectrode (m-ID mu E) has been developed, characterized and evaluated. In order to demonstrate the potential use of these electrodes in the biosensors field, impedimetric measurements of ...
  • Development of a simple disposable six minibioreactor system for suspension mammalian cell culture 

    Soley, A.; Fontova, A.; Gálvez, Jordi; Sarró Casanovas, Enric; Lecina, M.; Bragós Bardia, Ramon; Cairo, Jordi Joan; Godia, Francesc (2012-04)
    Article
    Accés restringit per política de l'editorial
    A simple disposable six minibioreactor system has been developed in order to perform multiple cell culture experiments in parallel, as a tool to accelerate experimentation in cell culture optimization. The system consists ...
  • 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 obert
    Myocardial 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'editorial
    The 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, Andreu; Bragós Bardia, Ramon (2013)
    Text en actes de congrés
    Accés obert
    Electrical 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 ...
  • Electrical stimulation of cardiac adipose tissue-derived progenitor cells modulates cell phenotype and genetic machinery 

    Llucia Valldeperes, A.; Sanchez, B.; Soler Botija, Carolina; Gálvez Montón, Carolina; Prat Vidal, Cristina; Roura, Santiago; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon; Bayés Genis, Antoni (2015-11)
    Article
    Accés obert
    A major challenge of cardiac tissue engineering is directing cells to establish the physiological structure and function of the myocardium being replaced. Our aim was to examine the effect of electrical stimulation on the ...
  • Electromechanical conditioning of adult progenitor cells improves recovery of cardiac function after myocardial infarction 

    Llucia Valldeperes, A.; Soler Botija, Carolina; Gálvez Montón, Carolina; Roura, Santiago; Prat Vidal, Cristina; Perea Gil, Isaac; Sánchez Terrones, Benjamin; Bragós Bardia, Ramon; Vunjak-Novakovic, Gordana; Bayés Genis, Antoni (2016-09-29)
    Article
    Accés restringit per política de l'editorial
    Cardiac cells are subjected to mechanical and electrical forces, which regulate gene expression and cellular function. Therefore, in vitro electromechanical stimuli could benefit further integration of therapeutic cells ...