Ara es mostren els items 1-20 de 51

  • A magnetic induction measurement system for adult vital sign monitoring: evaluation of capacitive and inductive effects 

    Mahdavi, Hadiseh; Rosell Ferrer, Francisco Javier (IOPScience, 2013)
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    Magnetic induction (MI) measurement technique could provide an unobtrusive contactless method for continuous monitoring of vital signs such as breathing and cardiac activity in bed. In this paper, we present a magnetic ...
  • 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 wireless sensor network design for the Help4Mood european project 

    Pérez Díaz de Cerio, David; Ruiz Boqué, Sílvia; Rosell Ferrer, Francisco Javier; Ramos Castro, Juan José; Castro Robles, Joan Carles (VDE Conference Publications, 2012)
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    Help4Mood is a closed loop approach supporting the control, communication and treatment management of patients with Major Depression. The first out of the three main components of the Help4Mood solution is the Personal ...
  • A wireless under-mattress sensor system for sleep monitoring in people with major depression 

    Mahdavi, Hadiseh; Ramos Castro, Juan José; Giovinazzo, Giuseppe; García González, Miguel Ángel; Rosell Ferrer, Francisco Javier (2012)
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    Monitoring people during sleep time is of particular interest to patients with sleep disorders and elderly people or infants. We have developed a battery powered electronic system to monitor people in the bed, store the ...
  • An improved buffer for bioelectric signals 

    Pallàs Areny, Ramon; Colominas i Balagué, Josep; Rosell Ferrer, Francisco Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1989-04-01)
    Article
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    We propose an AC-coupled amplifier that offers a high in-put impedance, thus making it suitable for bioelectric signal amplifi- cation. We also present the necessary formulas for calculating its input impedance and transfer ...
  • Applications of longitudinal and transversal bioimpedance measurements in peritoneal dialysis at 50 kHz 

    Nescolarde Selva, Lexa Digna; Doñate, T.; Casañas Bueno, Roberto; Rosell Ferrer, Francisco Javier (2010)
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    More relevant information of the fluid changes in peritoneal dialysis (PD) might be obtained with segmental bioimpedance measurements rather than whole-body measurement, who hidden information of body composition. ...
  • Assessment and follow-up of muscle injuries in athletes by bioimpedance: Preliminary results 

    Nescolarde Selva, Lexa Digna; Yanguas Leyes, Javier; Medina Leal, Daniel; Rodas Font, Gil; Rosell Ferrer, Francisco Javier (IEEE, 2011)
    Llibre
    Accés restringit per política de l'editorial
    Mono-frequency (50 kHz) whole-body and segmental bioimpedance is measured before sport training in 14 high performance athletes. The athletes are classified in two groups according to the team sport: ...
  • 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)
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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 ...
  • Biological tissue characterization by magnetic induction spectroscopy (MIS): requirements and limitations 

    Scharfetter, Hermann; Casañas Bueno, Roberto; Rosell Ferrer, Francisco Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-07-31)
    Article
    Accés obert
    Magnetic induction spectroscopy (MIS) aims at the contactless measurement of the passive electrical properties (PEP) σ, ε, and μ of biological tissues via magnetic fields at multiple frequencies. Whereas previous publications ...
  • 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
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    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 ...
  • Comment on: "Is bioelectrical impedance vector analysis of value in the elderly with malnutrition and impaired functionality" 

    Nescolarde Selva, Lexa Digna; Rosell Ferrer, Francisco Javier; Gastelurrutia, P.; Bayés-Genís, Antoni; Calpe, J.; Hernández, R. (2009-02)
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  • 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
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    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 ...
  • Detection of muscle gap by L-BIA in muscle injuries: clinical prognosis 

    Nescolarde Selva, Lexa Digna; Yanguas Leyes, Javier; Terricabras, Joaquim; Lukaski, Henry; Alomar, Xavier; Rosell Ferrer, Francisco Javier; Rodas Font, Gil (Institute of Physics (IOP), 2017-07-01)
    Article
    Accés obert
    Sport-related muscle injury classifications are based basically on imaging criteria such as ultrasound (US) and magnetic resonance imaging (MRI) without consensus because of a lack of clinical prognostics for return-to-play ...
  • 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 ...
  • Effects of muscle injury severity on localized bioimpedance measurements 

    Nescolarde Selva, Lexa Digna; Yanguas Leyes, Javier; Lukaski, Henry; Alomar, Xavier; Rosell Ferrer, Francisco Javier; Rodas Font, Gil (Institute of Physics (IOP), 2014-12-11)
    Article
    Accés restringit per política de l'editorial
    Muscle injuries in the lower limb are common among professional football players. Classification is made according to severity and is diagnosed with radiological assessment as: grade I (minor strain or minor injury), grade ...
  • 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 ...
  • Electromagnetic coupling simulagions for a magnetic induction sensor for sleep monitoring 

    Mahdavi, Hadiseh; Rosell Ferrer, Francisco Javier (2014)
    Comunicació de congrés
    Accés obert
    Magnetic induction (MI) method has been extensively used in non-destructive testing of materials. In biomedical applications, it attracted lots of attention for the contact-less advantages it provides. Sleep monitoring ...
  • 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 obert
    Las 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 ...
  • Fusing actigraphy signals for outpatient monitoring 

    Fuster Garcia, Elies; Bresó, Adrián; Martínez Miranda, Juan; Rosell Ferrer, Francisco Javier; Matheson, Colin; García Gómez, Juan M. (Elsevier, 2014-08-20)
    Article
    Accés restringit per política de l'editorial
    Actigraphy devices have been successfully used as effective tools in the treatment of diseases such as sleep disorders or major depression. Although several efforts have been made in recent years to develop smaller and ...
  • Help4Mood: testing and achievements of the first wireless sensor network prototype 

    Pérez Díaz de Cerio, David; Ruiz Boqué, Sílvia; Rosell Ferrer, Francisco Javier; Ramos Castro, Juan José; Colomé Castellví, Josep Maria (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Help4Mood is a closed loop approach supporting the control, communication and treatment management of patients with Major Depression. The first out of the three main components of the Help4Mood solution is the Personal ...