• Fitness, physical activity and academic achievement in overweight/obese children 

  Cadenas-Sánchez, Cristina; Migueles, Jairo H.; Esteban Cornejo, Irene; Mora González, Jose; Henriksson, Pontus; Rodríguez Ayllon, María; Molina García, Pablo; Löf, M.; Labayen Goñi, Idoia ; Hillman, Charles H.; Catena, Andrés; Ortega, Francisco B. (Taylor & Francis, 2020)   Artículo / Artikulua

  The aim of this study was to examine the associations of fitness and physical activity with academic achievement in children with overweight/obesity. A total of 106 (10.0 ± 1.1y, 61 boys) children participated. The fitness ...

• Topological features dictate the mechanics of the mammalian brains 

  Sáez, Pablo; Duñó, C.; Sun, L.Y.; Antonovaite, N.; Malvè, Mauro ; Tost, D.; Goriely, A. (Elsevier, 2020)   Artículo / Artikulua

  Understanding brain mechanics is crucial in the study of pathologies involving brain deformations such as tumor, strokes, or in traumatic brain injury. Apart from the intrinsic mechanical properties of the brain tissue, ...

• Differences in brain volume between metabolically healthy and unhealthy overweight and obese children: the role of fitness 

  Cadenas-Sánchez, Cristina; Esteban Cornejo, Irene; Migueles, Jairo H.; Labayen Goñi, Idoia ; Verdejo Román, Juan; Mora González, Jose; Henriksson, Pontus; Maldonado, José; Gómez Vida, José; Hillman, Charles H.; Erickson, Kirk I.; Kramer, Arthur F.; Catena, Andrés; Ortega, Francisco B. (MDPI, 2020)   Artículo / Artikulua  

  The aim of this study was to examine whether metabolically healthy overweight/obese children have greater global and regional gray matter volumes than their metabolically unhealthy peers. We further examined the association ...

• Optimizing energy consumption in transportation: literature review, insights, and research opportunities 

  Corlu, Canan Gunes; Torre, Rocío de la; Serrano Hernández, Adrián ; Juan, Ángel Alejandro; Faulín Fajardo, Javier  (MDPI, 2020)   Artículo / Artikulua  

  From airplanes to electric vehicles and trains, modern transportation systems require large quantities of energy. These vast amounts of energy have to be produced somewhere—ideally by using sustainable sources—and then ...

• Enhanced wireless channel estimation through parametric optimization of hybrid ray launching-collaborative filtering technique 

  Casino, Fran; López Iturri, Peio ; Aguirre Gallego, Erik ; Azpilicueta Fernández de las Heras, Leyre ; Falcone Lanas, Francisco Javier ; Solanas, Agusti (IEEE, 2020)   Artículo / Artikulua  

  In this paper, an enhancement of a hybrid simulation technique based on combining collaborative filtering with deterministic 3D ray launching algorithm is proposed. Our approach implements a new methodology of data depuration ...

• A novel 0.3-0.31 THz GaAs-based transceiver with on-chip slotted metamaterial antenna based on SIW technology 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena

  This paper presents a novel on-chip antenna with fully integrated 0.3-0.31 THz transceiver is implemented on 0.5μm GaAs substrate, and comprises a voltage-controlled oscillator (VCO), a buffer amplifier, a modulator stage, ...

• Overcome the limitations of performance parameters of on-chip antennas based on metasurface and coupled feeding approaches for applications in system-on-chip for THz integrated-circuits 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena

  This paper proposes a new solution to improve the performance parameters of on-chip antenna designs on standard CMOS silicon (Si.) technology. The proposed method is based on applying the metasurface technique and exciting ...

• Automated reconfigurable antenna impedance for optimum power transfer 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena

  This paper presents an approach to implement an automatically tuning antenna for optimising power transfer suitable for software defined radio (SDR). Automatic tuning is accomplished using a closed loop impedance tuning ...

• Mixed-dimensional geometric multigrid methods for single-phase flow in fractured porous media 

  Arrarás Ventura, Andrés; Gaspar, F. J.; Portero Egea, Laura ; Rodrigo, C. (SIAM, 2019)   Artículo / Artikulua  

  This paper deals with the efficient numerical solution of single-phase flow problems in fractured porous media. A monolithic multigrid method is proposed for solving two-dimensional arbitrary fracture networks with vertical ...

• Surface wave reduction in antenna arrays using metasurface inclusion for MIMO and SAR systems 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (Advancing Earth and Space Science, 2019)   Artículo / Artikulua  

  An effective method is presented for suppressing mutual coupling between adjacent radiating elements which is based on metasurface isolation for multiple-input multiple-output (MIMO) and synthetic aperture radar (SAR) ...

• Bitcoin and cybersecurity: temporal dissection of blockchain data to unveil changes in entity behavioral patterns 

  Zola, Francesco; Bruse, Jan Lukas; Eguimendia, María; Galar Idoate, Mikel ; Orduna Urrutia, Raúl (MDPI, 2019)   Artículo / Artikulua  

  The Bitcoin network not only is vulnerable to cyber-attacks but currently represents the most frequently used cryptocurrency for concealing illicit activities. Typically, Bitcoin activity is monitored by decreasing anonymity ...

• High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30° frequency beam-scanning capability at millimetre-waves 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (MDPI, 2019)   Artículo / Artikulua  

  The paper presents a feasibility study on the design of a new metamaterial leaky-wave antenna (MTM-LWA) used in the construction of a 1 × 2 array which is implemented using substrate-integrated waveguide (SIW) technology ...

• Advanced graphene-based transparent conductive electrodes for photovoltaic applications 

  Fernández, Susana; Boscá, Alberto; Pedrós, Jorge; Inés Ortigosa, Andrea; Fernández Vallejo, Montserrat ; Arnedo Gil, Israel ; González, José Pablo (MDPI, 2019)   Artículo / Artikulua  

  New architectures of transparent conductive electrodes (TCEs) incorporating graphene monolayers in different configurations have been explored with the aim to improve the performance of silicon-heterojunction (SHJ) cell ...

• 300 GHz optoelectronic transmitter combining integrated photonics and electronic multipliers for wireless communication 

  Ali, Muhsin; Pérez Escudero, José Manuel ; Guzmán Martínez, Robinson Cruzoe; Lo, Mu Chieh; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; García Muñoz, Luis Enrique (MDPI, 2019)   Artículo / Artikulua  

  THz communications systems at carrier frequencies above 200 GHz are the key to enable next-generation mobile communication networks with 100 Gbit/s wireless data rates. One of the key questions is, which carrier frequency ...

• New approach to suppress mutual coupling between longitudinal-slotted arrays based on SIW antenna loaded with metal-fences working on VHF/UHF frequency-bands: study, investigation, and principle 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; Khalily, Mohsen; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  

  In this work it is demonstrated that substrate integrated waveguide longitudinal slotted array antenna (SIWLSAA) which is loaded with metal fences exhibits high-isolation across VHF/UHF bands. A reference SIWLSAA used for ...

• A new study to suppress mutual-coupling between waveguide slot array antennas based on metasurface bulkhead for MIMO systems 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; Khalily, Mohsen; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  

  In this paper, a new method is proposed to reduce mutual coupling between waveguide slot array (WSA) antennas based on metasurface technology. This is achieved by placing a metasurface bulkhead between the two WSA antennas. ...

• On fixed point theory in partially ordered sets and an application to asymptotic complexity of algorithms 

  Estevan Muguerza, Asier ; Miñana, Juan José; Valero, Óscar (Springer, 2019)   Artículo / Artikulua  

  The celebrated Kleene fixed point theorem is crucial in the mathematical modelling of recursive specifications in Denotational Semantics. In this paper we discuss whether the hypothesis of the aforementioned result can be ...

• Noncontiguous operon is a genetic organization for coordinating bacterial gene expression 

  Sáenz Lahoya, S.; Bitarte, Nerea ; Garcia, B.; Burgui Erice, Saioa ; Vergara Irigaray, Marta ; Valle Turrillas, Jaione ; Solano Goñi, Cristina ; Toledo Arana, Alejandro ; Lasa Uzcudun, Íñigo  (National Academy of Sciences, 2019)   Artículo / Artikulua  

  Bacterial genes are typically grouped into operons defined as clusters of adjacent genes encoding for proteins that fill related roles and are transcribed into a single polycistronic mRNA molecule. This simple organization ...

• Geometric multigrid methods for Darcy–Forchheimer flow in fractured porous media 

  Arrarás Ventura, Andrés; Gaspar, F. J.; Portero Egea, Laura ; Rodrigo, C. (Elsevier, 2019)   Artículo / Artikulua

  In this paper, we present a monolithic multigrid method for the efficient solution of flow problems in fractured porous media. Specifically, we consider a mixed-dimensional model which couples Darcy flow in the porous ...

• Super-wide impedance bandwidth planar antenna for microwave and millimeter-wave applications 

  Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (MDPI, 2019)   Artículo / Artikulua  

  A feasibility study of a novel configuration for a super-wide impedance planar antenna is presented based on a 2 × 2 microstrip patch antenna (MPA) using CST Microwave Studio. The antenna comprises a symmetrical arrangement ...

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