Now showing items 1-20 of 64

    • 21st century diagnostics: microfluidic innovations promise a new generation of point-of-care tools for the pathologist 

      Casals Terré, Jasmina (2016-12-01)
      Article
      Restricted access - publisher's policy
    • 3D skin microfluidic phantom for in vitro wearable testing 

      Rabost Garcia, Genís; Carreras Gallo, Óscar; Colmena, Valeria; Aguilar, Javier; Punter Villagrasa, Jaime; Muñoz Pascual, Francesc Xavier; Farré Lladós, Josep; Casals Terré, Jasmina (2020)
      Conference lecture
      Restricted access - publisher's policy
      A standardized and cost-effective perspiration phantom for in vitro testing is needed to replace the variable and resource consuming human tests at research level. Here, an alternative to the existing devices, which mainly ...
    • 3D-printing and computational fluid dynamics "meet" paperbased microfluidics for enhanced flow control in difusive sensors 

      López Martínez, Joan Antoni; Fernández, Pau; Mehrdel, Pouya; Casals Terré, Jasmina (2020)
      Conference lecture
      Restricted access - publisher's policy
      This paper proposes combination of a 3D printed cartridge and paper-based microfluidic design that minimizes the amount of sample required to achieve the best control over the diffusion Y-microfluidic mixers. The use of ...
    • A low-power-consumption out-of-Plane electrothermal actuator 

      Girbau Sala, David; Llamas Morote, Marco Antonio; Casals Terré, Jasmina; Simó Selvas, Francisco Javier; Pradell i Cara, Lluís; Lázaro Guillén, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-06-30)
      Article
      Open Access
      This paper proposes a new vertical electrothermal actuator. It can be considered as a hybrid between the traditional in-plane buckle-beam actuator and the vertical hot-cold actuator. It is here referred to as vertical ...
    • A new approach to design an efficient micropost array for enhanced direct-current insulator-based dielectrophoretic trapping 

      Mohammadi, Mahdi; Javad Zare, Mohammad; Madadi, Hojjat; Sellarès González, Jordi; Casals Terré, Jasmina (2016-07)
      Article
      Open Access
      Direct-current insulator-based dielectrophoresis (DC-iDEP) is a well-known technique that benefits from the electric field gradients generated by an array of insulating posts to separate or trap biological particles. The ...
    • A novel fabrication technique to minimize poly(dimethylsiloxane)-microchannels deformation under high-pressure operation 

      Madadi, Hojjat; Mohammadi, Mahdi; Casals Terré, Jasmina; Castilla López, Roberto (2013-10-27)
      Article
      Restricted access - publisher's policy
      PDMS is one of the most common materials used for the flow delivery in the microfluidics chips, since it is clear, inert, nontoxic, and nonflammable. Its inexpensiveness, straightforward fabrication, and biological ...
    • A passive portable microfluidic blood-plasma separator for simultaneous determination of direct and indirect ABO/Rh blood typing 

      Karimi, Shadi; Mehrdel, Pouya; Farré Lladós, Josep; Casals Terré, Jasmina (2019-09-03)
      Article
      Open Access
      The blood typing test is mandatory in any transfusion, organ transplant, and pregnancy situation. There is a lack of point-of-care (POC) blood typing that could perform both direct and indirect methods using a single droplet ...
    • A RF-MEMS switchable CPW air-bridge 

      Contreras, Adrián; Casals Terré, Jasmina; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel (2012)
      Conference lecture
      Open Access
      This work presents a new shunt-type ohmic contact RF-MEMS switch specifically designed as a switchable CPW air bridge. The switch can be used in coplanar waveguide (CPW) reconfigurable multimodal circuits, for a selective ...
    • Advancements in microfabricated gas sensors and microanalytical tools for the sensitive and selective detection of odors 

      Perarnau Ollé, Enric; Farré Lladós, Josep; Casals Terré, Jasmina (Multidisciplinary Digital Publishing Institute (MDPI), 2020-09-24)
      Article
      Open Access
      In recent years, advancements in micromachining techniques and nanomaterials have enabled the fabrication of highly sensitive devices for the detection of odorous species. Recent efforts done in the miniaturization of gas ...
    • Analytical energy model for the dynamic behavior of RF MEMS switches under increased actuation voltage 

      Casals Terré, Jasmina; Llamas, Marco Antonio; Girbau Sala, David; Pradell i Cara, Lluís; Lázaro Guillén, Antonio; Giacomozzi, Flavio; Colpo, Sabrina (2014-12-01)
      Article
      Restricted access - publisher's policy
      In this paper, the dynamic behavior of electrostatically actuated radio frequency-microelectromechanical system (RF-MEMS) switches is analyzed using energy considerations. An analytical model for bridge-type RF-MEMS switches ...
    • Capillary microfluidics for immunoassays by integrating 3D printing and pressure-sensitive adhesive 

      Azizian, Pooya; Guerrero-SanVicente, Elena; Grinyte, Ruta; Casals Terré, Jasmina; Cabot, Joan Marc (2021)
      Conference report
      Restricted access - publisher's policy
      Herein, we present a versatile immunoassay device made by 3D-printed (3DP) multilevel microfluidic chip sealed by an optically clear Pressure-Sensitive Adhesive (PSA). The bioreceptors were effectively immobilized on the ...
    • Capillary-driven microfluidics: impacts of 3D manufacturing on bioanalytical devices 

      Azizian, Pooya; Casals Terré, Jasmina; Ricart Campos, Jordi; Cabot, Joan Marc (Royal Society of Chemistry (RSC), 2023-01-01)
      Article
      Open Access
      Over decades, decentralized diagnostics continues to move towards rapid and cost-effective testing at the point-of-care (POC). Although microfluidics has become a key enabling technology for POC testing, the need for robust ...
    • Conmutadores RF-MEMS de baja tensión 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel; Giacomozzi, Flavio (2012)
      Conference report
      Open Access
      This work shows experimental results of capacitive and ohmic RF-MEMS switches with low actuation voltage. The isolation of capacitive switches is better than 20 dB from 15 GHz and up to 80 GHz according to simulations. ...
    • Contaminant particle motion in lubricating grease flow: a computational fluid dynamics approach 

      Westerberg, Lars-Göran; Farré Lladós, Josep; Sarkar, Chiranjit; Casals Terré, Jasmina (2018)
      Article
      Open Access
      In this paper, numerical simulations of particle migration in lubricating grease flow are presented. The rheology of three lithium greases with NLGI (National Lubricating Grease Institute) grades 00, 1 and 2 respectively ...
    • Cost-effective microfabrication of sub-micron-depth channels by femto-laser anti-stiction texturing 

      Karimi, Shadi; Mehrdel, Pouya; Casals Terré, Jasmina; Farré Lladós, Josep (2020-02-26)
      Article
      Open Access
      Micro Electro Mechanical Systems (MEMS) and microfluidic devices have found numerous applications in the industrial sector. However, they require a fast, cost-effective and reliable manufacturing process in order to compete ...
    • Coupling capillary-driven microfluidics with lateral flow immunoassay for signal enhancement 

      Azizian, Pooya; Casals Terré, Jasmina; Guerrero-SanVicente, Elena; Grinyte, Ruta; Ricart Campos, Jordi; Cabot, Joan Marc (Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-01)
      Article
      Open Access
      Microfluidics has emerged as a versatile technology that is applied to enhance the performance of analytical techniques, among others. Pursuing this, we present a capillary-driven microfluidic device that improves the ...
    • Design and characterization of a magnetic digital flow regulator 

      Casals Terré, Jasmina; Duch, M.; Plaza, J. A.; Esteve, J; Pérez Castillejos, R.; Vallés, E.; Gómez, E. (2010-07-01)
      Article
      Restricted access - publisher's policy
      Design, fabrication and testing of a novel micromachined “quasi-digital” microflow regulator for integrated microfluidic systems. Operation relies on the use of a permanent magnet which interacts with an electrodeposited ...
    • Diffusion-free valve for preprogrammed immunoassay with capillary microfluidics 

      Azizian, Pooya; Casals Terré, Jasmina; Ricart Campos, Jordi; Cabot, Joan Marc (Nature, 2023-12-01)
      Article
      Open Access
      By manipulating the geometry and surface chemistry of microfluidic channels, capillary-driven microfluidics can move and stop fluids spontaneously without external instrumentation. Furthermore, complex microfluidic circuits ...
    • Dispositivos microfluídicos digitales: fundamentos de su funcionamiento, requerimientos de fabricación y aplicaciones 

      Caro Pérez, Oriol; Roncero Vivero, María Blanca; Casals Terré, Jasmina (OmniaScience, 2023-03)
      Conference lecture
      Open Access
      El uso de dispositivos microfluídicos digitales (DM) han demostrado ser herramientas muy eficaces para la manipulación de pequeños volúmenes de líquidos de forma precisa o su uso en lentes líquidas que superan en versatilidad ...
    • DVD Fuentes de energía. Aspectos técnicos, medioambientales y legislativos 

      Mujal-Rosas, Ramon Maria; Boix Aragonès, Oriol; Marín Genescá, Marcos; Colom Fajula, Xavier; Salueña Berna, Javier; Casals Terré, Jasmina; Torn, J.; Martínez, Vidal; Pérez, Mar; Valgañón Barberà, J. Ignasi (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-07)
      Conference report
      Open Access
      En este artículo se describe básicamente la planificación, metodología, ejecución, así como los resultados obtenidos en la elaboración del DVD sobre fuentes de energía convencionales y alternativas. El proyecto ha sido ...