Mostrando ítems 221-240 de 781

    Spatial Resolution and Capacitive Coupling in the Characterization of Nanowire Nanocomposites by Scanning Dielectric Microscopy 

    Balakrishnan, Harishankar; Fabregas, Rene; Millán Solsona, Rubén; Fumagalli, Laura, 1959-; Gomila Lluch, Gabriel (Fecha de publicación: 2023-03-10)

    Liposomes are widely used as drug delivery carriers and as cell model systems. Here, we measure the dielectric properties of individual liposomes adsorbed on a metal electrode by in-liquid scanning dielectric microscopy ...

    Mimicking human skin constructs using norbornene-pullulan-based hydrogels 

    Cirulli, Angela; Borgheti-Cardoso, Livia Neves; Torras, Núria; Martínez Fraiz, Elena (Fecha de publicación: 2024-09-24)

    There has been a huge demand for engineered skin tissues in the realms of both in vitro and in vivo applications. Selecting the right material scaffold is a critical consideration in making engineered skin tissues, since ...

    Energetics and carrier transport in doped Si/SiO2 quantum dots 

    Garcia-Castello, Nuria; Illera Robles, Sergio; Prades García, Juan Daniel; Ossicini, Stefano; Cirera Hernández, Albert; Guerra, Roberto (Fecha de publicación: 2016-11-03)

    In the present theoretical work we have considered impurities, either boron or phosphorous, located at different substitutional sites in silicon quantum dots (Si-QDs) with diameters around 1.5 nm, embedded in a SiO2 matrix. ...

    PEGylated PLGA nanoparticles prepared from nano-emulsion templates as versatile platforms to cross blood-brain barrier models 

    López Mitjavila, Joan Josep; Palma Florez, Sujey; Lagunas, Anna; Mir, Mònica; Samitier i Martí, Josep; Rodriguez-Abreu, C.; Grijalvo, S. (Fecha de publicación: 2026-02-27)

    PEGylation prevents aggregation and enhances the systemic circulation of nanoparticles (NPs), improving the delivery of actives to targeted cells. In this study, a conjugation reaction was used to attach polyethylene ...

    A current-mode interface circuit for a piezoresistive pressure sensor 

    Samitier i Martí, Josep; Puig i Vidal, Manuel; Bota Ferragut, Sebastián Antonio; Rubio, Carles; Siskos, Stilianos K.; Laopoulos, Theordore (Fecha de publicación: 2009-06-05)

    An interfacing circuit for piezoresistive pressure sensors based on CMOS current conveyors is presented. The main advantages of the proposed interfacing circuit include the use of a single piezoresistor, the capability of ...

    Self-organized intestinal epithelial monolayers in crypt and villus-like domains show effective barrier function 

    Altay, Gizem; Larrañaga, Enara; Tosi, Sébastien; Barriga, Francisco M.; Batlle, Eduard; Fernández-Majada, Vanesa; Martínez Fraiz, Elena (Fecha de publicación: 2019-09-02)

    Intestinal organoids have emerged as a powerful in vitro tool for studying intestinal biology due to their resemblance to in vivo tissue at the structural and functional levels. However, their sphere-like geometry prevents ...

    Modified Bis-pyrimidine Clamps for Triplex Formation and Their Usein SARS-CoV‑2 Detection 

    Domínguez, Arnau; Gargallo Gómez, Raimundo; Cuestas-Ayllón, Carlos; Gómez-Pinto, Irene; Fàbrega, Carmen ; Martínez de la Fuente, Jesús; Damha, M. J.; González, Carlos; Eritja i Casadellà, Ramon; Aviñó Andrés, Anna (Fecha de publicación: 2026-02-23)

    The formation of nucleic acid triple helices (“triplexes”) is an area of great interest due to their potential role in thenatural and artificial regulation of gene expression or for use in analytical, diagnostic, or synthetic ...

    Avoiding sensor blindness in Geiger mode avalanche photodiode arrays fabricated in a conventional CMOS process 

    Vilella Figueras, Eva; Diéguez Barrientos, Àngel (Fecha de publicación: 2012-08-31)

    The need to move forward in the knowledge of the subatomic world has stimulated the development of new particle colliders. However, the objectives of the next generation of colliders sets unprecedented challenges to the ...

    Physical and photocatalytic properties of sprayed Dy doped ZnO thin films under sunlight irradiation for degrading methylene blue 

    El Fidha, G.; Bitri, N.; Chaabouni, F.; Acosta, Selene; Güell Vilà, Frank; Bittencourt, Carla; Casanova-Chafer, J.; Llobet, Eduard (Fecha de publicación: 2022-03-30)

    Dysprosium-doped zinc oxide (ZnO) thin films have been prepared through spray pyrolysis onto glass substrates. Cross-sections of the deposited thin films were assessed through Scanning Electron Microscopy (SEM), showing ...

    Search for Baryon-Number Violating Ξ0b Oscillations 

    Alfonso Albero, Alejandro; Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Coquereau, Samuel; Fernandez, G.; Garrido Beltrán, Lluís; Gascón Fora, David; Graciani Díaz, Ricardo; Graugés Pous, Eugeni; Marin Benito, Carla; Picatoste Olloqui, Eduardo; Rives Molina, Vicente José; Vilasis-Cardona, Xavier; LHCb Collaboration (Fecha de publicación: 2019-05-03)

    A search for baryon-number violating Ξ 0 b oscillations is performed with a sample of p p collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3     fb − 1 . The baryon number at the ...

    LoRa Power Model for Energy Optimization in IoT Applications 

    Soler-Fernández, Juan Luis; Romera, Omar; Diéguez Barrientos, Àngel; Prades García, Juan Daniel; Alonso Casanovas, Oscar (Fecha de publicación: 2026-01-16)

    Energy efficiency is a key requirement for Internet of Things (IoT) nodes, particularly in applications powered by energy harvesting that operate without batteries. In this work, we present a parametric power model of a ...

    CMOS MAPS upgrade for the Belle II Vertex Detector 

    Babeluk, M.; Alonso Casanovas, Oscar; Diéguez Barrientos, Àngel; Belle II VTX Collaboration (Fecha de publicación: 2026-01-22)

    The success of the Belle II experiment in Japan relies on the very high instantaneous luminosity, close to 6x10^35 cm^-2 s^-1, expected from the SuperKEKB collider. The corresponding beam conditions at such luminosity ...

    Operational experience of the Belle II pixel detector 

    Wang, B.; Alonso Casanovas, Oscar; Diéguez Barrientos, Àngel; Belle-II DEPFET and PXD Collaboration (Fecha de publicación: 2026-01-14)

    The Belle II experiment at the SuperKEKB accelerator has started its physics data taking with the full detector setup in March 2019. It aims to collect 40 times more collision data compared with its predecessor Belle ...

    Bioelectronic recordings of cardiomyocytes with accumulation mode electrolyte gated organic field effect transistors 

    Kyndiah, Adrica; Leonardi, Francesca; Tarantino, Carolina; Cramer, Tobias; Millán Solsona, Rubén; Garreta, Elena; Montserrat, Núria; Mas Torrent, Marta; Gomila Lluch, Gabriel (Fecha de publicación: 2020-05-18)

    Versió postprint del document publicat a: https://doi.org/10.1016/j.bios.2019.111844

    Towards batch correction for GC-IMS data 

    Fernández Romero, Luis; Blanco i Borrego, Arnau; Mallafré Muro, Celia; Marco Colás, Santiago (Fecha de publicación: 2025-03-25)

    Gas Chromatography Ion Mobility Spectrometry (GC-IMS) is a fast, non-expensive analytical technique that allows obtaining relevant chemical information from vapor mixtures. However, the technique presents some difficulties ...

    DronE-Nose: drone-embedded measurement platform for odour monitoring 

    Alonso Valdesueiro, Javier; Marco Colás, Santiago; Gutiérrez Gálvez, Agustín (Fecha de publicación: 2025-04-02)

    Electronic noses have improved in terms of reliability in the last two decades. Their design has allowed for model training and validation for predicting odour emissions and classifying odour sources. In the last few years, ...

    Anomalously low dielectric constant of confined water 

    Fumagalli, Laura, 1959-; Esfandiar, Ali; Fabregas, Rene; Hu, S.; Ares, Pablo; Janardanan, Amritha; Yang, Q.; Radha, Boya; Taniguchi, Takashi; Watanabe, K.; Gomila Lluch, Gabriel; Novoselov, K. S.; Geim, A. K. (Fecha de publicación: 2019-06-20)

    The dielectric constant ε of interfacial water has been predicted to be smaller than that of bulk water (ε ≈ 80) because the rotational freedom of water dipoles is expected to decrease near surfaces, yet experimental ...

    Tailoring the transport properties of mesoporous doped cerium oxide for energy applications 

    Baiutti, Federico; Blanco Portals, Javier; Anelli, Simone; Torruella, Pau; López-Haro, Miguel; Calvino, Jose; Estradé Albiol, Sònia; Torrell, Marc; Peiró Martínez, Francisca; Tarancón, Albert (Fecha de publicación: 2025-01-29)

    Hard-template nanocasted mesoporous cerium oxide possesses a unique combination of thermal stability, high surface area, and short diffusion lengths for mass and gas transport, which makes it relevant for high-temperature ...

    Measurements of the branching fractions and CP asymmetries of B±→J/ψπ± and B±→ψ(2S)π± decays 

    Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Comerma Montells, Albert; Domingo Bonal, Francesc; Garrido Beltrán, Lluís; Gascón Fora, David; Grabalosa Gándara, Marc; Graciani Díaz, Ricardo; Graugés Pous, Eugeni; López Asamar, Elias; Pérez-Calero Yzquierdo, Antonio; Picatoste Olloqui, Eduardo; Pie Valls, B. (Blai); Potterat, Cédric; Puig Navarro, Albert; Roselló, M.; Ruiz, Hugo (Ruiz Pérez); Vázquez Gómez, Ricard; Vilasis-Cardona, Xavier; LHCb Collaboration (Fecha de publicación: 2019-04-08)

    A study of B ± → J / ψ π ± and B ± → ψ ( 2 S ) π ± decays is performed with data corresponding to 0.37     fb − 1 of proton-proton collisions at √ s = 7     TeV . Their branching fractions are found to be B ( B ± → J / ψ ...

    Beyond solid-state lighting: Miniaturization, hybrid integration, and applications og GaN nano- and micro-LEDs 

    Wasisto, Hutomo Suryo; Prades García, Juan Daniel; Gülink, Jan; Waag, Andreas (Fecha de publicación: 2020-01-21)

    Gallium Nitride (GaN) light-emitting-diode (LED) technology has been the revolution in modern lighting. In the last decade, a huge global market of efficient, long-lasting and ubiquitous white light sources has developed ...