Browsing by Subject "Biomedical engineering"

Now showing items 1-20 of 247

    • 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

    • 3-D printed UWB microwave bodyscope for biomedical measurements 

      Rashid, Saba; Jofre Roca, Lluís; Garrido, Alejandra; González, Giselle; Ding, Yongsheng; Aguasca Solé, Alberto; O'Callaghan Castellà, Juan Manuel; Romeu Robert, Jordi (2019-02-15)
      Article
      Open Access
      In this letter, a three-dimensional (3-D) printed compact ultrawideband (UWB) extended gap ridge horn (EGRH) antenna designed to be used for biological measurements of the human body is described. The operational frequency ...

    • 3D printing in medicine for preoperative surgical planning: a review 

      Tejo Otero, Aitor; Buj Corral, Irene; Fenollosa i Artés, Felip (2020-02-01)
      Article
      Restricted access - publisher's policy
      The aim of this paper is to review the recent evolution of additive manufacturing (AM) within the medical field of preoperative surgical planning. The discussion begins with an overview of the different techniques, pointing ...

    • 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 ...

    • 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 ...

    • A Hybrid Computer-aided-diagnosis System for Prediction of Breast Cancer Recurrence (HPBCR) using optimized ensemble learning 

      Mohebian, Mohammad Reza; Marateb, Hamid Reza; Mansourian, Marjan; Mañanas Villanueva, Miguel Ángel; Mokarian, Fariborz (Elsevier, 2016-12-06)
      Article
      Restricted access - publisher's policy
      Cancer is a collection of diseases that involves growing abnormal cells with the potential to invade or spread tothe body. Breast cancer is the second leading cause of cancer death among women. A method for 5-year breastcancer ...

    • 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 ...

    • A photoplethysmography smartphone-based method for heart rate variability assessment: device model and breathing influences 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Mateu Mateus, Marc; Ramos Castro, Juan José; García González, Miguel Ángel; Fernández Chimeno, Mireya (2020-03)
      Article
      Restricted access - publisher's policy
      A measurement method of heart rate and heart rate variability (HRV) based on smartphone has been developed and validated. The method is based on photoplethysmography (PPG) acquired with the smartphone camera (SPPG). SPPG ...

    • 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 ...

    • A survey exploring biomedical editors’ perceptions of editorial interventions to improve adherence to reporting guidelines 

      Blanco de Tena Davila, David; Hren, Darko; Kirkham, Jamie J.; Cobo Valeri, Erik; Schroter, Sara (2019-09-24)
      Article
      Open Access
      Background: Improving the completeness of reporting of biomedical research is essential for improving its usability. For this reason, hundreds of reporting guidelines have been created in the last few decades but adherence ...

    • A synchronization system for the analysis of biomedical signals recorded with different devices from mechanically ventilated patients 

      Camacho, Alejandro; Hernández Valdivieso, Alher Mauricio; Londoño, Zulma; Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference lecture
      Restricted access - publisher's policy
      Conducting research associated with mechanically ventilated patients often requires the recording of several biomedical signals to dispose of multiple sources of information to perform a robust analysis. This is especially ...

    • A theoretical and simulation study for the measurement of muscle anisotropic permittivity using electrical impedance myography 

      Guasch Morgades, Maria (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Open Access
      Covenantee:   Beth Israel Deaconess Medical Center
      Electrical impedance myography (EIM) is a collection of techniques that measure the electrical impedance of muscles using a weak, high frequency electrical current. They have emerged in the past years as a convenient, ...

    • 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 ...

    • 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 ...

    • 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, Alexander; 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 ...

    • 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 ...

    • 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 ...