Now showing items 1-13 of 13

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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 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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      Design of a Waterborne Polyurethane-Urea Ink for Direct Ink Writing 3D Printing 

      Vadillo del Ser, Julen; Larraza Arocena, Izaskun; Calvo Correas, Tamara; Gabilondo López, Nagore; Derail, Christophe; Eceiza Mendiguren, María Aranzazu (MDPI, 2021-06-14)
      In this work, polycaprolactone–polyethylene glycol (PCL–PEG) based waterborne polyurethane–urea (WBPUU) inks have been developed for an extrusion-based 3D printing technology. The WBPUU, synthesized from an optimized ratio ...
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      Effect of the biobased polyols chemical structure on high performance thermoset polyurethane properties 

      Echeverria Altuna, Oihane; Ollo, Olatz; Larraza Arocena, Izaskun; Gabilondo López, Nagore; Harismendy, Isabel; Eceiza Mendiguren, María Aranzazu (Elsevier, 2022-12)
      The sustainability of the polymeric materials has become a fundamental challenge; therefore, the development of new biobased formulations has gained increasing interest. Thermoset polyurethanes (PURs) present high performance ...
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      Furan-containing biobased polyurethane nanofibers: A new versatile and green support clickable via Diels-Alder reaction 

      Torresi, Stefano; Calvo Correas, Tamara; Basasoro Garmendia, Senda; Guaresti Larrea, Olatz ORCID; Alonso Varona, Ana Isabel; Gabilondo López, Nagore; Eceiza Mendiguren, María Aranzazu (Elsevier, 2022-09)
      A new biobased polyurethane formulation containing furan was synthesized and subsequently functionalized and de-functionalized via Diels-Alder and retro Diels-Alder reactions. Furan was inserted in the backbone polymer ...
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      Influence of Process Parameters in Graphene Oxide Obtention on the Properties of Mechanically Strong Alginate Nanocomposites 

      Larraza Arocena, Izaskun; Ugarte Soraluce, Lorena; Fayanas, Aintzane; Gabilondo López, Nagore; Arbelaiz Garmendia, Aitor; Corcuera Maeso, María Ángeles; Eceiza Mendiguren, María Aranzazu (MDPI, 2020-02-28)
      Sodium alginate, a biopolymer extracted from brown algae, has shown great potential for many applications, mainly due to its remarkable biocompatibility and biodegradability. To broaden its fields of applications and improve ...
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      Integral Valorization of Grape Pomace for Antioxidant Pickering Emulsions 

      Díaz Ramírez, Julen; Basasoro Garmendia, Senda; González Munduate, Kizkitza ORCID; Eceiza Mendiguren, María Aranzazu; Retegui Miner, Aloña; Gabilondo López, Nagore (MDPI, 2023-05-08)
      Full harnessing of grape pomace (GP) agricultural waste for the preparation of antioxidant Pickering emulsions is presented herein. Bacterial cellulose (BC) and polyphenolic extract (GPPE) were both prepared from GP. ...
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      Modification of Pea Starch and Dextrin Polymers with Isocyanate Functional Groups 

      Hosseinpourpia, Reza; Santamaría Echart, Arantzazu; Adamopoulos, Stergios; Gabilondo López, Nagore; Eceiza Mendiguren, María Aranzazu (MDPI, 2018-09)
      Pea starch and dextrin polymers were modified through the unequal reactivity of isocyanate groups in isophorone diisocyanate (IPDI) monomer. The presence of both urethane and isocyanate functionalities in starch and dextrin ...
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      Morphological Analysis of Several Bamboo Species with Potential Structural Applications 

      Elejoste, Asier; Arevalillo Román, Alfonso; Gabilondo López, Nagore; Butron Janices, Amaia; Peña Rodríguez, Cristina (MDPI, 2021-06-28)
      Bamboo constitutes a family of plants that are very promising and interesting as renewable materials for both large and small structure construction. To be used as an alternative to traditional materials; the understanding ...
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      Shape-memory properties of crosslinked biobased polyurethanes 

      Calvo Correas, Tamara; Gabilondo López, Nagore; Alonso Varona, Ana Isabel; Palomares Casado, Teodoro; Corcuera Maeso, María Ángeles; Eceiza Mendiguren, María Aranzazu (2016-03-25)
      Biobased crosslinked polyurethanes were synthesized and characterized as shape-memory polymers. Both the macrodiol and the diisocyanate were derived from renewable sources; the first one from castor oil, and the second one ...
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      Superabsorbent bacterial cellulose spheres biosynthesized from winery by-products as natural carriers for fertilizers 

      Díaz Ramírez, Julen; Urbina Moreno, Leire; Eceiza Mendiguren, María Aranzazu; Retegui Miner, Aloña; Gabilondo López, Nagore (Elsevier, 2021-11-30)
      [EN]Soil contamination, sustainable management of water resources and controlled release of agrochemicals are the main challenges of modern agriculture. In this work, the synthesis of sphere-like bacterial cellulose (BC) ...
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      Synthesis and characterization of polyurethanes with high renewable carbon content and tailored properties. 

      Calvo Correas, Tamara; Martín Alberdi, María Dolores; Retegui Miner, Aloña; Gabilondo López, Nagore; Corcuera Maeso, María Ángeles; Eceiza Mendiguren, María Aranzazu (2016-08-31)
      Thermoplastic and cross-linked biobased polyurethanes with a renewable carbon content ranging from 78 to 98% were synthesized and characterized. The macrodiol and the diisocyanate used were derived from renewable source, ...
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      Two different incorporation routes of cellulose nanocrystals in waterborne polyurethane nanocomposites 

      Santamaría Echart, Arantzazu; Ugarte Soraluce, Lorena; Arbelaiz Garmendia, Aitor; Gabilondo López, Nagore; Corcuera Maeso, María Ángeles; Eceiza Mendiguren, María Aranzazu (Elsevier, 2016-03)
      The renewability, availability and low-cost of eco-friendly cellulose nanocrystals (CNC), have gaining attention for nanocomposites preparation due to their unique properties in the nanoscale and their water dispersibility, ...