Now showing items 1-20 of 21

    • Action potential propagation: ion current or intramembrane electric field? 

      Martí Cabarrocas, Albert; Pérez González, Juan Jesús; Madrenas Boadas, Jordi (2018-01-22)
      Article
      Open Access
      The established action potential propagation mechanisms do not satisfactorily explain propagation on myelinated axons given the current knowledge of biological channels and membranes. The flow across ion channels presents ...
    • Analysis of homestatic regulation in cardiac cells 

      Conesa Ortega, David (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Open Access
      Calcium ions play a leading role in heart contraction. Heart beats at a pace given by the sinoatrial node where an action potential is generated, then propagated to the rest of cardiac cells. Contractile force depends on ...
    • B2D2- La integración de las técnicas biofísicas en el descubrimiento de fármacos 

      Aymami Bofarull, Juan; Martinell, Marc (2008-07-16)
      Article
      Open Access
    • Cell Magnetic tweezers for the study of mechanical interactions in Cells 

      Cabedo Gómez, Aina (Universitat Politècnica de Catalunya, 2016-06-30)
      Bachelor thesis
      Open Access
      Covenantee:   King's College London
      In this project, a cell Magnetic Tweezer (MT) set-up was assembled and calibrated, aimed at the study of mechanical interactions in single cells. The set-up is able to apply forces of ranging from 0.2 to 0.5 nN and is ...
    • Development of a simulator to evaluate public health control strategies of tuberculosis in big cities 

      Gilabert Navarro, Joan Francesc (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      Tuberculosis is still one of the most important infectious diseases worldwide, killing over 1.5 million people each year. It is estimated that one third of world population has already been infected by Mycobacterium ...
    • Efectos de los soportes plantares sobre la termorregulación de las plantas de los pies durante la carrera 

      Gil-Calvo, M.; Universitat de València; Priego Quesada, J.I.; Lucas-Cuevas, A.G.; Jiménez-Pérez, I.; Aparicio, I.; Giménez, J.V.; Macián-Romero, C.; Llana-Belloch, S.; Pérez-Soriano, P. (Sociedad Ibérica de Biomecánica y Biomateriales, 2015)
      Article / Article
      Open Access
      Existe una gran controversia acerca de si el uso de soportes plantares puede reducir el riesgo de padecer lesiones por sobreuso en corredores. Se ha observado una relación entre las cargas plantares y la temperatura ...
    • Electromagnetic characterization of living action potential 

      Requena Pozo, Borja (Universitat Politècnica de Catalunya, 2017-05)
      Bachelor thesis
      Open Access
      Brain imaging is a vanguard and promising topic with uncountable applications in several fields. This project is driven by the development of a new brain imaging technique that could provide activity information with spatial ...
    • Individual-based modeling of Plasmodium falciparum erythrocyte infection in in vitro cultures 

      Ferrer Savall, Jordi (Universitat Politècnica de Catalunya, 2010-06-21)
      Doctoral thesis
      Open Access
      La malària és encara avui en dia una malaltia que causa aproximadament un milió de morts a l'any a tot el món. La seva eradicació suposa un gran repte per a la humanitat i per a la comunitat científica, en particular. El ...
    • Insights on the spatiotemporal organization of integrins and their ligands using quantitative biophysical tools 

      Sosa Costa, Alberto (Universitat Politècnica de Catalunya, 2017-03-02)
      Doctoral thesis
      Open Access
      The migration of leukocytes from the blood stream to sites of injury and infection in the extravascular tissues is fundamental for the immune response. Two of the main receptors mediating this process are the integrins ...
    • Mètodes de control discrets per alternants cardíacs 

      Wieczorek I Masdeu, Nora (Universitat Politècnica de Catalunya, 2018-09)
      Bachelor thesis
      Open Access
      Els alternans són variacions periòdiques en el potencial d'acció de les cèl·lules cardíaques. Aquests poden provocar el pas del ritme normal del cor a la taquicàrdia e inclòs a la fibril·lació, amb la pèrdua de la capacitat ...
    • Microfluidic point-of-care blood panel based on a novel technique: Reversible electroosmotic flow 

      Mohammadi, Mahdi; Madadi, Hojjat; Casals Terré, Jasmina (2015-09-11)
      Article
      Open Access
      A wide range of diseases and conditions are monitored or diagnosed from blood plasma, but the ability to analyze a whole blood sample with the requirements for a point-of-care device, such as robustness, user-friendliness, ...
    • Modelos físicos de actividad cerebral: de la micro- a la macro-escala 

      Pons Rivero, Antonio Javier; García Ojalvo, Jordi (2012-09-01)
      Article
      Restricted access - publisher's policy
    • Noise assisted effects in physics and biophysics studied by the optical trapping technique 

      Martínez Sánchez, Ignacio A. (Universitat Politècnica de Catalunya, 2014-04-25)
      Doctoral thesis
      Open Access
      Almost two centuries after the first observations of Robert Brown, the study of systems ruled by noise has become a significant part of modern physics and other so diverse situations, such as the stock market, personal ...
    • Numerical model of cardiac electromechanics 

      Wieczorek I Masdeu, Nora (Universitat Politècnica de Catalunya, 2019-10)
      Master thesis
      Open Access
      In this project, we develop a Finite Element Method (FEM) formulation that solves the cardiac electrophysiological problem of a three dimensional piece of tissue. This problem is modeled by an electromechanical model that ...
    • Physical analysis of a processive molecular motor: the conventional kinesin 

      Ciudad Álvarez, Aleix; Lacasta Palacio, Ana María; Sancho, Jose Maria (American Physical Society, 2005-09-29)
      Article
      Open Access
      We present a model that allows for the derivation of the experimentally accesible observables: spatial steps, mean velocity, stall force, useful power, efficiency and randomness, etc. as a function of the adenosine triphosphate ...
    • Planar and cylindrical active microwave temperature imaging... 

      Rius Casals, Juan Manuel; Jofre Roca, Lluís; Broquetas Ibars, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1992-12-02)
      Article
      Open Access
      A comparative study at 2.45 GHz concerning both measurement and reconstruction parameters for planar and cylindrical configurations is presented. For the sake of comparison, a numerical model consisting of two nonconcentric ...
    • PLANT: A Method for Detecting Changes of Slope in Noisy Trajectories 

      Sosa-Costa, Alberto; Piechocka, Izabela K.; Gardini, Lucia; Pavone, Francesco S.; Capitanio, Marco; Garcia-Parajo, Maria F.; Manzo, Carlo (ScienceDirect, 2018-05-08)
      Article
      Open Access
      Time traces obtained from a variety of biophysical experiments contain valuable information on underlying processes occurring at the molecular level. Accurate quantification of these data can help explain the details of ...
    • Poly-L/DL-lactic acid films functionalized with collagen IV as carrier substrata for corneal epithelial stem cells 

      de la Mata Sampedro, Ana; Mateos Timoneda, Miguel Ángel; Nieto Miguel, Teresa; Galindo de la Rosa, Sara; López Paniagua, Marina; Planell Estany, Josep Anton; Engel López, Elisabeth; Calonge Cano, Margarita (2019-05-01)
      Article
      Open Access
      Limbal epithelial stem cells (LESCs) are responsible for the renewal of corneal epithelium. Cultivated limbal epithelial transplantation is the current treatment of choice for restoring the loss or dysfunction of LESCs. ...
    • Synthesis, Langmuir and Langmuir-Blodgett films of a calix[7]arene ethyl ester. AFM characterization, subphase influence and molecular modelling 

      Torrent Burgués, Juan; Vocanson, Francis; Pérez González, Juan Jesús; Errachid, Abdhellamid (Elsevier, 2012-05-05)
      Article
      Restricted access - publisher's policy
      Calixarenes are promising compounds to be used as ionophores and for molecular recognition. Their ability to form Langmuir and Langmuir–Blodgett (LB) films is of great interest in order to obtain small sensor devices which ...
    • Textile electrode characterization: Dependencies in the skin-clothing-electrode interface 

      Macías Macías, Raúl; Fernández Chimeno, Mireya; Bragós Bardia, Ramon (IOPScience, 2013)
      Conference report
      Restricted access - publisher's policy
      Given the advances in the technology known as smart textiles, the use of textile electrodes is more and more common. However this kind of electrodes presents some differences regarding the standard ones as the Ag-AgCl ...