Exploració per tema "Colloids"

Ara es mostren els items 21-40 de 48

    • Hydrogels for flexible and compressible free standing cellulose supercapacitors 

      Saborío González, Maricruz; Svelic, Petra; Casanovas Salas, Jordi; Ruano Torres, Guillem; Pérez Madrigal, María del Mar; Franco García, María Lourdes; Torras Costa, Juan; Estrany Coda, Francesc; Alemán Llansó, Carlos (Elsevier, 2019-09-01)
      Article
      Accés obert
      Cellulose-based supercapacitors display important advantages in comparison with devices fabricated with other materials, regarding environmental friendliness, flexibility, cost and versatility. Recent progress in the field ...

    • In situ chitosan gelation initiated by atmospheric plasma treatment 

      Molina, Ricardo; Jovancic, P.; Vilchez, S.; Tzanov, Tzanko; Solans, C. (2014-01-06)
      Article
      Accés restringit per política de l'editorial

    • Investigation on Corrosion Protection applying organic–inorganic sol–gel coatings on AA2024-T3 

      Velasques Ugarteche, Caroline (Universitat Politècnica de Catalunya, 2013-06)
      Treball Final de Grau
      Accés obert
      In order to prevent corrosion on aluminium and aluminium alloys, many surface treatments have been developed, such as silane films, which are environmentally compliant coatings. During this work we investigate corrosive ...

    • Large area deposition of ordered nanoparticle layers by electrospray 

      Véliz Noboa, Bremnen Marino; Bermejo Broto, Sandra; Vives, Jordi; Castañer Muñoz, Luis María (2018-07-01)
      Article
      Accés obert
      Mass production of ordered nanostructures with enhanced optical properties such as colloidal crystals for applications such as solar cells or organic light emitted diodes demands low-cost and large-scale manufacturing ...

    • Matrices of native and oxidized pectin and ferrous Bisglycinate and their in vitro behavior through gastrointestinal conditions 

      Jimenez, Martin; Viteri, Daniela; Oña Villamil, Daniela Estefanía; León Dunia, Marco Francisco; Ochoa Herrera, Valeria; Carpintero Salvador, Natalia; Sepulcre Sánchez, Francesc; Álvarez Barreto, José Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-01)
      Article
      Accés obert
      Colloidal matrices of native and oxidized pectin were developed to improve iron bioavailability through the digestive tract. Ferrous bisglycinate (Gly-Fe), obtained by precipitation of glycine chelation to Fe2+, was mixed ...

    • Membranas fabricadas a partir de cristales coloidales 

      Herman Suita, Gustavo (Universitat Politècnica de Catalunya / Instituto Tecnológico de Buenos Aires, 2011)
      Projecte/Treball Final de Carrera
      Accés obert
      Las membranas poliméricas fabricadas a partir de cristales coloidales, poseen excelentes propiedades en lo referente a su área específica y selectividad. Los depósitos de nano -partículas de diferentes tamaños ordenados ...

    • Multifunctional scaffolds for tissue engineering 

      Dechoux, Anna Lena (Universitat Politècnica de Catalunya, 2020-02-20)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Université de Lorraine
      The aim of this project was to develop two multifunctional alginate-based hydrogel film loaded with either gold or iron oxide nanoparticles, both functionalized with a peptidic RGD/LF platform in order to use them as ...

    • Nanofibrillar networks enable universal assembly of superstructured particle constructs 

      Mattos, Bruno D.; Tardy, Blaise L.; Greca, Luiz G.; Kämäräinen, Tero; Xiang, Wenchao; Cusola Aumedes, Oriol; Magalhães, Washington; Rojas, Orlando J. (2020-05-08)
      Article
      Accés obert
      Superstructured colloidal materials exploit the synergies between components to develop new or enhanced functions. Cohesion is a primary requirement for scaling up these assemblies into bulk materials, and it has only been ...

    • NiSn bimetallic nanoparticles as stable electrocatalysts for methanol oxidation reaction 

      Li, Junshan; Luo, Zhishan; Zuo, Yong; Liu, Junfeng; Zhang, Ting; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (2018-10-15)
      Article
      Accés obert
      Nickel is an excellent alternative catalyst to high cost Pt and Pt-group metals as anode material in direct methanol fuel cells. However, nickel presents a relatively low stability under operation conditions, even in ...

    • Particulate coatings via evaporation-induced self-assembly of polydisperse colloidal lignin on solid interfaces 

      Cusola Aumedes, Oriol; Kivistö, Samu; Vierros, Sampsa; Batys, Piotr; Ago, Mariko; Tardy, Blaise L.; Greca, Luiz G.; Roncero Vivero, María Blanca; Sammalkorpi, Maria; Rojas, Orlando J. (2018-05-02)
      Article
      Accés restringit per política de l'editorial
      Polydisperse smooth and spherical biocolloidal particles were suspended in aqueous media and allowed to consolidate via evaporation-induced self-assembly. The stratification of the particles at the solid–air interface was ...

    • PEG hydrogel containing calcium-releasing particles and mesenchymal stromal cells promote vessel maturation 

      Navarro Requena, Claudia; Weaver, Jessica D.; Clark, Amy Y.; Clift, Douglas; Pérez Amodio, Soledad Graciela; Castaño Linares, Óscar; Zhou, Dennis W.; García, Andrés J.; Engel López, Elisabeth (2018-02)
      Article
      Accés restringit per política de l'editorial
      The use of human mesenchymal stromal cells (hMSC) for treating diseased tissues with poor vascularization has received significant attention, but low cell survival has hampered its translation to the clinic. Bioglasses and ...

    • Phase separation in mixed monolayers of arachidic acid and a phthalocyanine of zinc 

      Torrent Burgués, Juan (Elsevier, 2012-02)
      Article
      Accés obert

    • Poly(sulfobetaine methacrylate)/poly(ethylene glycole) hydrogels for chronic wounds management 

      Ruseva, Konstans; Ivanova, Kristina Dimitrova; Todorova, Katerina; Gabrashanska, Margarita; Hinojosa-Caballero, Dolores; Tzanov, Tzanko; Vassileva, Elena (Elsevier, 2019-05-14)
      Article
      Accés obert
      Polyzwitterions (PZI) recently emerged as biomaterials with excellent bio- and haemo-compatibility, demonstrating lower protein adsorption on their surfaces even compared to the golden standard in the field – poly(ethylene ...

    • Poly-y-glutamic Acid Hydrogels as Electrolyte for Poly(3,4-ethylenedioxythiophene)-Based Supercapacitors 

      Pérez Madrigal, Mª del Mar; Edo, Miquel G.; Díaz Andrade, Angélica María; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2017-02-16)
      Article
      Accés obert
      Biosynthetic poly-¿-glutamic acid (¿-PGA) has been used to produce hydrogels using cystamine as cross-linker and 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide methiodide (EDC methiodide) as condensing agent. Eight different ...

    • Prevención de la formación de biopelículas bacterianas sobre lentes de contacto hidrogel 

      Loscos Fernández, Sergi (Universitat Politècnica de Catalunya, 2015-06-22)
      Projecte Final de Màster Oficial
      Accés obert
      En este trabajo se han realizado recubrimientos estables con propiedades antibacterianas en lentes de contacto hidrogel de silicona mediante ultrasonidos y utilizando nanopartículas de zinc (ZnO), quitosano (CS) y ácido ...

    • Processing and characterization of hydroxyapatite/gelatin microspheres 

      Posada Carvajal, Johnnatan Stiven (Universitat Politècnica de Catalunya, 2018-07-09)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      The crisis of organ donors is an urgent call to develop fully functional substitutes in a short time. Additive manufacture applied to tissue engineering (bioprinting) is a method under development that has an interesting ...

    • Protección del aluminio empleando tecnología sol-gel y recubrimientos orgánicos anticorrosivos 

      Iribarren Mateos, José Ignacio (Universitat Politècnica de Catalunya, 2013-06)
      Projecte/Treball Final de Carrera
      Accés obert
      El objetivo de este proyecto es la protección de la aleación de aluminio AA2024-T3 frente a la corrosión mediante la aplicación superficial de sistemas basados en silanos en combinación con una pintura epoxi. El trabajo ...

    • Prototyping flexible supercapacitors produced with biohydrogel 

      Saborío González, Maricruz; Zukic, Sejla; Lanzalaco, Sonia; Casanovas Salas, Jordi; Puiggalí Bellalta, Jordi; Estrany Coda, Francesc; Alemán Llansó, Carlos (Elsevier, 2018-04-30)
      Article
      Accés obert
      Flexible symmetric supercapacitor prototypes composed of electrodes that were prepared by polymerizing poly(hydroxymethyl-3,4-ethylenedioxythiophene) inside a poly-¿-glutamic acid (¿PGA) biohydrogel matrix, previously ...

    • Sorting on periodic surfaces 

      Lacasta Palacio, Ana María; Sancho, Jose Maria; Romero, A. H.; Lindenberg, K. (American Physical Society, 2005-04-29)
      Article
      Accés obert
      Particles moving on crystalline surfaces and driven by external forces or ffow ffelds can acquire velocities along directions that deviate from that of the external force. This effect depends on characteristics of the ...

    • Sustainable solid-state supercapacitors made of 3D-poly(3,4-ethylenedioxythiophene) and k-Carrageenan Biohydrogel 

      Fabregat Jové, Georgina; Hodásová, L'udmila; Valle Mendoza, Luis Javier del; Estrany Coda, Francesc; Alemán Llansó, Carlos (2018-01-01)
      Article
      Accés obert
      3D-Poly(3,4-ethylenedioxythiophene) (PEDOT) electrodes are prepared using the multi-step template-assisted approach. Specifically, poly(lactic acid) nano- and microfibers collected on a previously polymerized PEDOT film ...