Now showing items 1-20 of 447

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      3D printed alginate-cellulose nanofibers based patches for local curcumin administration 

      Olmos Juste, Raquel; Alonso Lerma, Borja; Pérez Jiménez, Raúl; Gabilondo López, Nagore; Eceiza Mendiguren, María Aranzazu (Elsevier, 2021-07)
      Alginate and nanocellulose are potential biomaterials to be employed as bioinks for three-dimensional (3D) printing. Alginate-cellulose nanofibers (A-CNF) formulations with CNF amounts up to 5 wt% were developed and ...
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      3D Printed Chitosan-Pectin Hydrogels: From Rheological Characterization to Scaffold Development and Assessment 

      Zarandona Rodríguez, Iratxe ORCID; Bengoechea, Carlos; Álvarez Castillo, Estefanía; De la Caba Ciriza, María Coro ORCID; Guerrero, Antonio; Guerrero Manso, Pedro Manuel ORCID (MDPI, 2021-10-21)
      Chitosan-pectin hydrogels were prepared, and their rheological properties were assessed in order to select the best system to develop scaffolds by 3D printing. Hydrogels showed a weak gel behavior with shear thinning flow ...
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      3D printing of customized all-starch tablets with combined release kinetics 

      González Munduate, Kizkitza ORCID; Larraza Arocena, Izaskun; Berra, Garazi; Eceiza Mendiguren, María Aranzazu; Gabilondo López, Nagore (Elsevier, 2022-06-25)
      [EN] Starch-based tablets with tailored releases were prepared by 3D printing using a hydrophobic drug. The importance of the origin of the excipient in the inks and tablets was analyzed. Besides, the effect of the geometry ...
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      3D-Printed Hybrid Collagen/GelMA Hydrogels for Tissue Engineering Applications 

      Nagaraj, Anushree; Etxabide Etxeberria, Alaitz; Naffa, Rafea; Zidan, Ghada; Seyfoddin, Ali (MDPI, 2022-10-25)
      Bioprinting is an emerging technology involved in the fabrication of three-dimensional tissue constructs for the repair and regeneration of various tissues and organs. Collagen, a natural protein found abundantly in the ...
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      3D-Printed Mucoadhesive Collagen Scaffolds as a Local Tetrahydrocurcumin Delivery System 

      Andonegui San Martín, Mireia ORCID; Carranza Fernandino, Teresa; Etxabide Etxeberria, Alaitz; De la Caba Ciriza, María Coro ORCID; Guerrero Manso, Pedro Manuel ORCID (MDPI, 2021-10-15)
      Native collagen doughs were processed using a syringe-based extrusion 3D printer to obtain collagen scaffolds. Before processing, the rheological properties of the doughs were analyzed to determine the optimal 3D printing ...
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      5-Methoxymethyl furfural production by acid heterogeneous catalytic etherification of 5-hydroxymethyl furfural 

      Díaz Maizkurrena, Paula; Requies Martínez, Jesús María ORCID; Iriondo Hernández, Aitziber ORCID; Arias Ergueta, Pedro Luis; Mariscal, R. (Elsevier, 2024-01)
      The use of non-edible raw materials from agriculture as a form of biomass to obtain carbon-based compounds is the most viable solution to replace fossil resources. Within this, 5-hydroxymethyl furfural (HMF) is a platform ...
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      A comprehensive review of primary strategies for tar removal in biomass gasification 

      Cortázar Dueñas, María ORCID; Santamaría Moreno, Laura ORCID; López Zabalbeitia, Gartzen ORCID; Álvarez Gordejuela, Jon; Zhang, L.; Wang, R.; Bi, X.; Olazar Aurrecoechea, Martin ORCID (Elsevier, 2023-01)
      In the current energy scenario, the production of heat, power and biofuels from biomass has become of major interest. Amongst diverse thermochemical routes, gasification has stood out as a key technology for the large-scale ...
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      A feasibility study of the installation of a modular bioreactor inside a chemical scrubber at a wastewater treatment plant 

      Barona Fernández, María Astrid ORCID; Malo de la Fuente, Adrián; Elías Saenz, Ana Josefina ORCID; Rojo Azaceta, Naiara; Santaolalla Ramírez, Arrate ORCID; Gallastegui Ruiz de Gordoa, Gorka Javier ORCID (Elsevier, 2021-03)
      Chemical scrubbing and biofiltration are well-established technologies for treating contaminated pollutants generated at wastewater treatment plants (WWTPs). Nevertheless, the growing need to reduce the ecological footprint ...
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      A Green Approach towards Native Collagen Scaffolds: Environmental and Physicochemical Assessment 

      Andonegui San Martín, Mireia ORCID; Irastorza, Ainhoa; Izeta Permisán, Ander ORCID; Cabezudo Maeso, Sara; De la Caba Ciriza, María Coro ORCID; Guerrero Manso, Pedro Manuel ORCID (MDPI, 2020-07-18)
      Native collagen scaffolds were prepared in this work, in which both materials and environmental approaches were considered with the aim of providing a global strategy towards more sustainable biomaterials. From the ...
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      A Holistic Approach to Integrate and Evaluate Sustainable Development in Higher Education. The Case Study of the University of the Basque Country 

      Sáez de Cámara Oleaga, Estibaliz ORCID; Fernández Fernández, Idoia Begoña ORCID; Castillo Eguskitza, Nekane (MDPI, 2021-01-04)
      Since the United Nations (UN) approved the Agenda 2030 for Sustainable Development in 2015, higher education institutions have increasingly demonstrated their commitment by supporting several initiatives. Although a great ...
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      A new route towards lignin-based polyols: a highway for lignin exploitation 

      Pérez Arce, Jonatan (2020-12-18)
      El aumento del uso de productos de base petroquímica, junto con el agotamiento del petróleo y la mayor preocupación de la industria y la sociedad por la situación medioambiental actual, ha dado lugar a una intensa investigación ...
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      A Preliminary Study on the Use of Highly Aromatic Pyrolysis Oils Coming from Plastic Waste as Alternative Liquid Fuels 

      Asueta, Asier; Fulgencio-Medrano, Laura; Miguel-Fernández, Rafael; Leivar, Jon; Amundarain, Izotz; Iruskieta, Ana; Arnaiz, Sixto; Gutiérrez Ortiz, José Ignacio; López Urionabarrenechea, Alexander ORCID (MDPI, 2023-09-20)
      In this work, the low-temperature pyrolysis of a real plastic mixture sample collected at a WEEE-authorised recycling facility has been investigated. The sample was pyrolysed in a batch reactor in different temperature and ...
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      A probabilistic model and capturing device for remote simultaneous estimation of spectral emissivity and temperature of hot emissive materials 

      Picón Ruiz, Artzai ORCID; Álvarez Gila, Aitor; Arteche Vicario, José Antonio; López, Gabriel Alejandro ORCID; Vicente Rojo, Asier (Institute of Electrical and Electronics Engineers, 2021-07-12)
      [EN] Estimating the temperature of hot emissive samples (e.g. liquid slag) in the context of harsh industrial environments such as steelmaking plants is a crucial yet challenging task, which is typically addressed by ...
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      A six-lump kinetic model for HDPE/VGO blend hydrocracking 

      Vela Díaz, Francisco Javier; Palos Urrutia, Roberto; Trueba Fraile, Juan David; Cordero Lanzac, Tomás; Bilbao Elorriaga, Javier; Arandes Esteban, José María ORCID; Gutiérrez Lorenzo, Alazne ORCID (Elsevier, 2023-02)
      A six lump-based kinetic model has been developed for the hydrocracking of high-density polyethylene (HDPE) blended with vacuum gas oil (VGO) over a PtPd/HY zeolite catalyst. The blend (20 wt% HDPE and 80 wt% VGO) has been ...
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      Acid Hydrolysis of Almond Shells in a Biphasic Reaction System: Obtaining of Purified Hemicellulosic Monosaccharides in a Single Step 

      Dávila Rodríguez, Izaskun; Díaz, Estelle; Labidi Bouchrika, Jalel (Elsevier, 2021-05-21)
      The aim of this work is to comprehend the biphasic reaction systems through another perspective; the simultaneous purification and production of carbohydrates during the pretreatment of biomass. A dilute acid hydrolysis ...
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      Activity and stability of different Fe loaded primary catalysts for tar elimination 

      Cortázar Dueñas, María ORCID; Álvarez Gordejuela, Jon; Olazar Barona, Leire; Santamaría Moreno, Laura ORCID; López Zabalbeitia, Gartzen ORCID; Villafan Vidales, Heidi Isabel; Asueta, Asier; Olazar Aurrecoechea, Martin ORCID (Elsevier, 2022-06)
      [EN] The performance of olivine, dolomite and gamma-alumina primary catalysts was evaluated in the continuous tar elimination process in which toluene was selected as the biomass gasification tar model compound. Iron was ...
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      Advanced and traditional processing of thermoplastic polyurethane waste 

      Calvo Correas, Tamara; Benítez, Miriam; Larraza Arocena, Izaskun; Ugarte Soraluce, Lorena; Peña Rodríguez, Cristina; Eceiza Mendiguren, María Aranzazu (Elsevier, 2022-04)
      In this work different ways to valorise discarded ear tags made of TPU from livestock sector were studied. This singular residue does not require separation from other plastics like other industrial and urbane wastes, which ...
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      Advanced catalytic and photocatalytic technologies for methane generation from renewable energies. 

      Canales Larrazabal, Rafael (2024-02-09)
      A través de la presente tesis comenzada en octubre de 2018, se estudian diversos materiales denominados como catalizadores para su uso en la generación de metano a partir de energías renovables mediante la reacción de ...
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      Advanced heterogeneous catalytic systems for biofuels production derived from HMF 

      Viar Antuñano, Nerea ORCID (2021-02-22)
      La presente tesis doctoral tiene como objetivo la obtención de biocombustibles a partir del 5-hidroximetilfurfural (HMF). Este compuesto es una molécula plataforma que se obtiene de la biomasa lignocelulósica. El HMF puede ...
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      Advanced Reaction Systems for Hydrogen Production 

      Izquierdo Ereño, Urko ORCID (Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2014-03-07)
      [EN] This PhD work started in March 2010 with the support of the University of the Basque Country (UPV/EHU) under the program named “Formación de Personal Investigador” at the Chemical and Environmental Engineering Department ...