Browsing by Subject "Biomedical engineering"

Now showing items 1-20 of 177

  • 2nd International Conference on Peptide Materials for Biomedicine and Nanotechnology : PepMat 2016, Barcelona, 14-16 March 2016 : book of abstracts 

    Alemán Llansó, Carlos; Bertran Cànovas, Òscar; Valle Mendoza, Luis Javier del; Mas Moruno, Carlos; Mayans Tayadella, Enric; Pérez Madrigal, Maria del Mar; Puiggalí Jou, Anna; Torras Costa, Juan; Triguero Enguídanos, Jordi; Zanuy Gomara, David (2016)
    Conference report
    Open Access

  • A 4+1 architecture for in vivo electrophysiology visual prosthesis 

    Barriga-Rivera, Alejandro; Eiber, Calvin D.; Matteucci, Paul B.; Chen, Spencer C.; Morley, John W.; Lovell, Nigel H.; Suaning, Gregg J. (Càtedra d'Accessibilitat (CATAC), 2016)
    Article
    Open Access
    Researchers around the globe are working towards restoring vision to the blind through the development of a visual neuroprosthesis. Overcoming physical, technical and biological limitations represents one of the main ...

  • A cylindrical system for quasy-real time microwave tomography 

    Jofre Roca, Lluís; Reyes, E De Los; Ferrando Bataller, Miquel; Elias Fusté, Antoni; Romeu Robert, Jordi; Baquero, M; Rius Casals, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 1986)
    Conference report
    Open Access
    A cylindrical system for biomedical microwave tomography is presented. The circular algorithms and some numerical reconstructions are discussed. Finally the experimental set-up is described and some preliminary measurements ...

  • A double closed loop to enhance the quality of life of Parkinson's disease patients: REMPARK system 

    Samà Monsonís, Albert; Pérez López, Carlos; Rodríguez Martín, Daniel Manuel; Moreno Aróstegui, Juan Manuel; Rovira, Jordi; Ahlrichs, Claas; Castro, Rui; Cevada, Joao (IOS Press, 2014)
    Conference lecture
    Open Access
    This paper presents REMPARK system, a novel approach to deal with Parkinson's Disease (PD). REMPARK system comprises two closed loops of actuation onto PD. The first loop consists in a wearable system that, based on a ...

  • Advanced manufacturing of ceramics for biomedical applications: Subjection methods for biocompatible materials 

    Minguella Canela, Joaquim; Cuiñas, D; Uceda, Roger; Rodríguez, J.V.; Vivancos Calvet, Joan (Universidad de Zaragoza (UZA), 2013)
    Conference report
    Restricted access - publisher's policy
    The continuously growing utilization of ceramic compounds in the field of medicine, industry and aerospace, among others, imply a high degree of specialization in terms of the material properties and functionalization due ...

  • A friction model for non-singular complementarity formulations for multibody systems with contacts 

    Peiret Giménez, Albert; Kövecses, József; Font Llagunes, Josep Maria (American Society of Mechanical Engineers (ASME), 2017)
    Conference report
    Restricted access - publisher's policy
    The dynamics of multibody systems with many contacts are frequently formulated as a Linear Complementarity Problem (LCP), for which several direct or iterative algorithms are available to solve it efficiently. These ...

  • Ageing is associated with deterioration of calcium homeostasis in isolated human right atrial myocytes 

    Herrainz, Adela; Álvarez-García, Jesus; Llach, A; Molina, Cristina E.; Fernandes, Jacqueline; Ferrero-Gregori, Andreu; Rodríguez, Cristina; Vallmitjana Lees, Alex; Benítez Iglesias, Raúl; Padró, Josep M.; Martínez-González, José; Cinca Cosculluela, Juan; Hove-Madsen, Leif (2015-02-24)
    Article
    Open Access
    Ageing-related cardiac disorders such as heart failure and atrial fibrillation often present with intracellular calcium homeostasis dysfunction. However, knowledge of the intrinsic effects of ageing on cellular calcium ...

  • A “HOLTER” for Parkinson's disease: validation of the ability to detect on-off states using the REMPARK system 

    Bayés, Àngels; Samà Monsonís, Albert; Prats París, Anna; Pérez López, Carlos; Moreno Aróstegui, Juan Manuel; Rodríguez Martín, Daniel Manuel; Cabestany Moncusí, Joan (2018-01-01)
    Article
    Open Access
    The treatment of Parkinson's disease (PD) with levodopa is very effective. However, over time, motor complications (MCs) appear, restricting the patient from leading a normal life. One of the most disabling MCs is ON-OFF ...

  • Algorithms for B wave detection 

    Ramon Maldonado, Eduard (Universitat Politècnica de Catalunya, 2013-04-09)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Rheinisch-Westfälische Technische Hochschule Aachen
    [ANGLÈS] The objective of this Master Thesis was to develop algorithms for B waves detection in ICP. This goal was approached by two different methods that depend basically in the resolution of the acquired ICP. Then, both ...

  • Análisis automático de señales de Holter: adquisición, preprocesado y clasificación mediante Machine Learning 

    Cordero Rama, Jose Alejandro (Universitat Politècnica de Catalunya, 2012-09-27)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement

  • Análisis de la señal ECG en pacientes con enfermedad de Párkinson 

    Ramon, J. Lenin; García-Sánchez, A; Roca-Dorda, Joaquin; Giraldo Giraldo, Beatriz (2016)
    Conference lecture
    Open Access

  • 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
    Open Access
    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 ...

  • An invasive and a noninvasive approach for the automatic differentiation of obstructive and central hypopneas 

    Morgenstern de Muller, Christian Rudolf; Schwaibold, Matthias; Randerath, Winfried J.; Bolz, Armin; Jané Campos, Raimon (2010-04-15)
    Article
    Open Access
    The automatic differentiation of obstructive and central respiratory events is a major challenge in the diagnosis of sleep-disordered breathing. Esophageal pressure (Pes) measurement is the gold-standard method to ...

  • A novel algorithm for fast BCG cycle extraction in ambulatory scenarios 

    Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs Areny, Ramon (2016)
    Conference lecture
    Restricted access - publisher's policy
    A novel algorithm JDet for ballistocardiogram (BCG) cycle extraction is presented that is intended for the fast generation of ensemble averages in ambulatory scenarios where the ECG signal is not available. First, the ...

  • Aplicación del algoritmo de Kalman al estudio de la ritmicidad ultradiana en el comportamiento expontáneo de sujetos humanos aislados 

    Carol Vilanova, Antonio; Gasull Llampallas, Antoni; Lagunas Hernandez, Miguel A. (E.T.S.I.I.T, 1981)
    Conference report
    Open Access
    Este trabajo explora la posible existencia de ritmos ultradianos (período comprendido entre 30 minutos y 20 horas) en el comportamiento espontáneo vigil del hombre, analizando espectralmente las señales con el filtra ...

  • A real-time method for decoding the neural drive to muscles using single-channel intra-muscular EMG recordings 

    Karimimehr, Saeed; Marateb, Hamid Reza; Muceli, Silvia; Mansourian, Marjan; Mañanas Villanueva, Miguel Ángel; Farina, Dario (2017-09-01)
    Article
    Open Access
    The neural command from motor neurons to muscles — sometimes referred to as the neural drive to muscle — can be identified by decomposition of electromyographic (EMG) signals. This approach can be used for inferring the ...

  • Assessment of heart rate variability during an ultra-endurance mountain trail race by multi-scale entropy analysis 

    Vallverdú Ferrer, Montserrat; Ruiz Muñoz, Aroa; Roca Rodríguez, Emma; Caminal Magrans, Pere; Rodríguez Guisado, Ferran Agustin; Irurtia Amigo, Alfredo; Perera Lluna, Alexandre (2017-12-01)
    Article
    Open Access
    The aim of the study was to analyze heart rate variability (HRV) response to high-intensity exercise during a 35-km mountain trail race and to ascertain whether fitness level could influence autonomic nervous system (ANS) ...

  • Assessment of inspiratory muscle activation using surface diaphragm mechanomyography and crural diaphragm electromyography 

    Lozano García, Manuel; Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Jané Campos, Raimon (2018)
    Conference report
    Restricted access - publisher's policy
    The relationship between surface diaphragm mechanomyography (sMMGdi), as a noninvasive measure of inspiratory muscle mechanical activation, and crural diaphragm electromyography (oesEMGdi), as the invasive gold standard ...

  • Assessment of respiratory flow cycle morphology in patients with chronic heart failure 

    Garde, Ainara; Sornmo, Leif; Laguna Lasaosa, Pablo; Jané Campos, Raimon; Benito Vales, Salvador; Bayés Genis, Antoni; Giraldo Giraldo, Beatriz (2017-02-01)
    Article
    Open Access
    Breathing pattern as periodic breathing (PB) in chronic heart failure (CHF) is associated with poor prognosis and high mortality risk. This work investigates the significance of a number of time domain parameters for ...

  • Assessment of respiratory muscle activity with surface electromyographic signals acquired by concentric ring electrodes 

    Ràfols de Urquía, Magda; Estévez Piorno, Josep; Estrada Petrocelli, Luis; Garcia Casado, Javier; Prats Boluda, Gema; Sarlabous Uranga, Leonardo; Jané Campos, Raimon; Torres Cebrián, Abel (2018)
    Conference lecture
    Restricted access - publisher's policy
    The assessment of respiratory muscle activity by surface electromyography (sEMG) is a promising noninvasive technique for the diagnosis and monitoring of chronic obstructive pulmonary disease. The diaphragm is the ...