Now showing items 21-40 of 41

    • Las promesas de la nanotecnología 

      Sureda Anfres, Miquel; Casals Terré, Jasmina (Grupo Tecnipublicaciones, 2014-01)
      Article
      Restricted access - publisher's policy
      No cabe duda de que el camino que nos depara la nanotecnología es muy prometedor. Ropa de repelerá el agua, ordenadores quánticos, píldoras inteligentes o teléfonos móviles cargados con el calor humano. Todos estos desarrollos ...
    • Los aerogeneradores del futuro se beneficiarán de la nanotecnología 

      Farré Lladós, Josep; Casals Terré, Jasmina (Grupo Tecnipublicaciones, 2014-01)
      Article
      Restricted access - publisher's policy
      El impacto que la micro y la nanotecnología tendré en nuestras vidas debe ir en todo momento acompañado de un desarrollo sostenible de las fuentes de energía. La mejora de la producción de la energía eólica es un primer ...
    • Low voltage capacitive and Ohmic RF-MEMS Switches 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel (2012)
      Conference report
      Restricted access - publisher's policy
      This work presents experimental results of capacitive and ohmic-contact RF-MEMS switches. The suspension has been designed to compensate stress-gradient effects, and to obtain low pull-in voltages. The measured actuation ...
    • 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, ...
    • New lubrication device to minimize wear at the pitch gear 

      Farré Lladós, Josep; Casals Terré, Jasmina; Westerberg, Lars G. (European Wind Energy Association (EWEA), 2015)
      Conference lecture
      Restricted access - publisher's policy
    • New method for lubricating wind turbine pitch gears using embedded micro-nozzles 

      Farré Lladós, Josep; Westerberg, Lars G.; Casals Terré, Jasmina (Springer, 2017-02-19)
      Article
      Open Access
      The increase of power generated by wind turbines has increased the stresses applied in all of its components, thereby causing premature failures. Particularly, pitch and yaw gears suffer from excessive wear mainly caused ...
    • New solution to prevent excessive wear in wind turbine gears 

      Farré Lladós, Josep; Westerberg, Lars; Casals Terré, Jasmina (Curran, 2014)
      Conference report
      Restricted access - publisher's policy
      During wind turbines operation, yaw and pitch bearings suffer from sequential traction-compression stresses causing millions of micro movements per cycle between the gear teeth. This situation reduces the lubricant thickness ...
    • Novel applications of nonwood cellulose for blood typing assays 

      Casals Terré, Jasmina; Farré Lladós, Josep; Zuñiga, Allinson; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2018-10-03)
      Article
      Open Access
      Paper-based microfluidics devices can create a new healthcare model. Cellulose is carbohydrate polymer biocompatible and hydrophilic. These characteristics enhance the development of user-friendly diagnostic devices, but ...
    • Novel variable radius spiral-shaped micromixer: from numerical analysis to experimental validation 

      Mehrdel, Pouya; Karimi, Shadi; Farré Lladós, Josep; Casals Terré, Jasmina (2018-10-27)
      Article
      Open Access
      A novel type of spiral micromixer with expansion and contraction parts is presented in order to enhance the mixing quality in the low Reynolds number regimes for point-of-care tests (POCT). Three classes of micromixers ...
    • Ocupación y evacuación de un recinto abierto en fiestas tradicionales 

      Casadesús Pursals, Salvador; Casals Terré, Jasmina (2013)
      Conference report
      Restricted access - publisher's policy
      Resulta un hecho común que en fiestas tradicionales y populares se concentre un gran número de personas en recintos abiertos de dimensiones limitadas, incluso en estos casos de recintos abiertos, son frecuentes situaciones ...
    • Potencial de la celulosa en la construcción de nuevos materiales 

      Vidal Lluciá, Teresa; Torres López, Antonio Luis; Valls Vidal, Cristina; Cusola Aumedes, Oriol; López Martínez, Joan Antoni; Fernández Santos, Julia; Clemente Escuin, Antonio; Roncero Vivero, María Blanca; Casals Terré, Jasmina; Farré Lladós, Josep (2019)
      Conference report
      Open Access
      Actualmente, más de una tercera parte de los tipos de papeles que hoy empleamos son para nuevos usos que hace diez años no existían. Además, la demanda creciente de productos basados en materias primas renovables y la ...
    • ¿Qué pueden hacer los nanomateriales por nosotros? 

      Casals Terré, Jasmina (Grupo Tecnipublicaciones, 2015-06)
      Article
      Restricted access - publisher's policy
    • Reconfigurable multimodal bandpass filter based on RF-MEMS switchable CPW air-bridges 

      Contreras Bleda, Adrián; Casals Terré, Jasmina; Pradell i Cara, Lluís; Giacomozzi, Flavio; Iannacci, Jacopo; Ribó i Pal, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper, a uniplanar RF-MEMS secondorder bandpass filter with reconfigurable centre frequency is presented. It is based on quarter-wavelength slotline resonators and CPW-slotline multimodal immittance inverters (MIIs), ...
    • Reconfigurable uniplanar bandpass filter based on RF-MEMS switched capacitors 

      Contreras, Adrián; Pradell i Cara, Lluís; Casals Terré, Jasmina; Giacomozzi, Flavio; Iannacci, Jacopo; Ribó, Miquel (2013)
      Conference report
      Restricted access - publisher's policy
      In this paper, an uniplanar RF-MEMS second-order bandpass filter with reconfigurable centre frequency is presented. It is based on half-wavelength slotline resonators, which are loaded using RF-MEMS switches connected ...
    • REPlicating RAPid microfluidics: self-replicating printer for hydrophobic pattern deposition 

      Casals Terré, Jasmina; Farré Lladós, Josep; Zuñiga, Allinson; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2017-12-01)
      Article
      Open Access
      Paper-based microfluidics broadens the use of point-of-care devices to applications and situations wherein cost is an important restriction. This study focuses on the REPRAP PRUSA i3 Printer that can print itself a part ...
    • RF-MEMS switches designed for high-performance uniplanar microwave and mm-wave circuits 

      Pradell i Cara, Lluís; Girbau Sala, David; Ribó Pal, Miquel; Casals Terré, Jasmina; Lázaro Guillén, Antonio; Contreras Lizárraga, Adrián; Llamas Morote, Marco Antonio; Heredia Vega, Julio César; Giacomozzi, Flavio; Margesin, Benno (IntechOpen, 2018-07-18)
      Part of book or chapter of book
      Open Access
      Radio frequency microelectromechanical system (RF-MEMS) switches have demonstrated superior electrical performance (lower loss and higher isolation) compared to semiconductor-based devices to implement reconigurable microwave ...
    • RF-MEMS switches for a full control of the propagating modes in uniplanar microwave circuits and their application to reconfigurable multimodal microwave filters 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Ribó i Pal, Miquel; Heredia Vega, Julio César; Giacomozzi, Flavio; Margesin, Benno (2017-03-29)
      Article
      Open Access
      In this paper, new RF-MEMS switch configurations are proposed to enable control of the propagating (even and odd) modes in multimodal CPW transmission structures. Specifically, a switchable air bridge (a switchable ...
    • Self-driven filter-based blood plasma separator microfluidic chip for point-of-care testing 

      Madadi, Hojjat; Casals Terré, Jasmina; Mohammadi, Mahdi (2015-05-22)
      Article
      Open Access
      There is currently a growing need for lab-on-a-chip devices for use in clinical analysis and diagnostics, especially in the area of patient care. The first step in most blood assays is plasma extraction from whole blood. ...
    • Study the effects of different surfactants on hydrophilicity of polydimethylsiloxane (PDMS) 

      Madadi, Hojjat; Casals Terré, Jasmina (2012)
      Conference report
      Restricted access - publisher's policy
    • Tecnologia invisible? 

      Casals Terré, Jasmina (2008-02)
      Audiovisual
      Open Access
      Els consumidors som cada dia més exigents amb la tecnologia i demanem equips amb poc pes i menys volum: a la Politècnica ja estem dissenyant dispositius nanomètrics.