Exploració per tema "Alginate"

Ara es mostren els items 1-16 de 16

    • A novel culture method that sustains ERa signaling in human breast cancer tissue microstructures 

      Gualda Manzano, Emilio José; Furtado de Oliveira e Silva, Fernanda; Loza Álvarez, Pablo; Cartaxo, Ana Luisa; Estrada, Marta F.; Domenici, Giacomo; Sflomos, George; Brisken, Cathrin; Brito, Catarian (2020-12)
      Article
      Accés obert
      Breast cancer (BC) is the most commonly diagnosedcancer among women worldwide [1]. It is a heteroge-neous disease with distinct biological features and clin-ical outcomes. Almost 75% of diagnosed BC expressestrogen ...

    • Antioxidant and antiradical activities of Hibiscus sabdariffa L. extracts encapsulated in calcium alginate spheres 

      Bevan, Pascal; Pastor Castillo, Maria Vicenta; Almajano Pablos, María Pilar; Codina Torrella, Idoia (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-31)
      Article
      Accés obert
      The interest in natural sources with high antioxidant powder has recently increased in several sectors. Ionic gelation methods could be used to protect bioactive substances to control the kinetics and release of these ...

    • Boron removal from aqueous solutions by using a novel alginate-based sorbent: Comparison with Al2O3 particles 

      Demey Cedeño, Hary; Barrón Zambrano, Jesús Alberto; Mhadhbi, Takoua; Miloudi, Hafida; Yang, Zhen; Ruiz Planas, Montserrat; Sastre Requena, Ana María (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-01)
      Article
      Accés obert
      Boron removal was evaluated in the present work by using calcium alginate beads (CA) and a novel composite based on alginate–alumina (CAAl) as sorbents in a batch system. The effects of different parameters such as pH, ...

    • Characterization of encapsulated porcine cardiosphere-derived cells embedded in 3D alginate matrices 

      Ziani, Kaoutar; Espona Noguera, Albert; Crisóstomo, Verónica; García Casado, Javier; Sánchez Margallo, Francisco M.; Saenz del Burgo, Laura; Ciriza, Jesús; Pedraz, Jose Luiz (2021-04)
      Article
      Accés obert
      Myocardial infarction is caused by an interruption of coronary blood flow, leading to one of the main death causes worldwide. Current therapeutic approaches are palliative and not able to solve the loss of cardiac tissue. ...

    • Development of alginate hydrogels for bone regeneration 

      Mahalia, Marion (Universitat Politècnica de Catalunya, 2021-02-17)
      Projecte Final de Màster Oficial
      Accés obert
      El hueso es un tejido capaz de regenerarse por sí mismo después de una lesión. Sin embargo, cuando el defecto es demasiado grande, esto es imposible, y se debe utilizar un injerto de hueso. Las limitaciones asociadas a ...

    • Enzymatic degradation of polylactic acid fibers supported on a hydrogel for sustained release of lactate 

      Colombi, Samuele; Macor, Lorena Paola; Ortiz Membrado, Laia; Pérez Amodio, Soledad Graciela; Jiménez Piqué, Emilio; Engel López, Elisabeth; Pérez Madrigal, Maria del Mar; García Torres, José Manuel; Alemán Llansó, Carlos (American Chemical Society, 2023-01-01)
      Article
      Accés restringit per política de l'editorial
      The incorporation of exogenous lactate into cardiac tissues is a regenerative strategy that is rapidly gaining attention. In this work, two polymeric platforms were designed to achieve a sustained release of lactate, ...

    • Formulación de un material de impresión dental en forma de pasta 

      García, R.; Wong, L.; Ferrer, A.; García, A.; Martínez, E. (Sociedad Ibérica de Biomecánica y Biomateriales, 2000-12)
      Article
      Accés obert
      Los materiales de impresión dental (MID) basados en alginato son muy empleados en Estomatología. En la actualidad se plantea que los MID en forma de pasta tienen una mayor fidelidad de copia, mejor reproducción de detalles ...

    • Immediate-sustained lactate release using alginate hydrogel assembled to proteinase K/polymer electrospun fibers 

      Macor, Lorena Paola; Colombi, Samuele; Tamarit Mur, José Luis; Engel López, Elisabeth; Pérez Madrigal, Maria del Mar; García Torres, José Manuel; Alemán Llansó, Carlos (Elsevier, 2023-05-31)
      Article
      Accés restringit per política de l'editorial
      Realitzat a/amb:   Universidad Nacional de Río Cuatro / Institut de Bioenginyeria de Catalunya / Centro de Investigación Biomédica en Red. Bioingeniería, Biomateriales y Nanomedicina
      This work proposes a microfibers-hydrogel assembled composite as delivery vehicle able to combine into a single system both burst and prolonged release of lactate. The prolonged release of lactate has been achieved by ...

    • Improvement of fire reaction and mould growth resistance of a new bio-based thermal insulation material 

      Navarro Ezquerra, Antonia; Lacasta Palacio, Ana María; Palumbo, Mariana; Giraldo, Pilar; Lesar, Boštjan (Elsevier, 2016-12-20)
      Article
      Accés obert
      In the present paper, the performance of an innovative thermal insulation rigid board is evaluated in terms of fire behaviour and fungal resistance. The board is based on vegetal pith and a natural gum (corn pith and sodium ...

    • Improving the properties of nanocellulose by obtaining biodegradabale multifunctional biomaterials 

      Birsan, Valentina Roxana (Universitat Politècnica de Catalunya, 2022-06-22)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      The idea of a world without plastic is quite difficult to imagine, but not impossible. It is safe to say that almost every individual would want to cooperate and help our planet. Humanity is facing a huge environmental ...

    • Microencapsulación de levadura con alginato en sistema semicontinuo y estudio de la cinética de fermentación 

      Garrido Téllez, Santi (Universitat Politècnica de Catalunya, 2022-06-22)
      Treball Final de Grau
      Accés obert
      La inmovilización de microorganismos, mediante la microencapsulación en una matriz biopolimérica, es actualmente un campo emergente por la funcionalidad de sus aplicaciones en medicina, alimentación, cosmética y textil, ...

    • Nanocomposite hydrogels with temperature response for capacitive energy storage 

      García Torres, José Manuel; Colombi, Samuele; Mahamed, Ikraan; Sylla, Dioulde Huguette; Arnau Roca, Marc; Sans Milà, Jordi; Ginebra Molins, Maria Pau; Alemán Llansó, Carlos (American Chemical Society (ACS), 2023-01-01)
      Article
      Accés obert
      Functional hydrogels are three-dimensional polymeric networks with potential applicability in the field of wearable electronics. However, hydrogels are often used to develop devices with only one functionality. In this ...

    • Sorption and desorption studies of Pb(II) and Ni(II) from aqueous solutions by a new composite based on alginate and magadiite materials 

      Attar, Keltoum; Demey Cedeño, Hary; Bouazza, Djamila; Sastre Requena, Ana María (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-15)
      Article
      Accés obert
      A new composite material based on alginate and magadiite/Di-(2-ethylhexyl) phosphoric acid (CAM-D2EHPA) was successfully prepared by previous impregnation of layered magadiite with D2EHPA extractant, and then immobilized ...

    • Sorption of boron calcium alginate gel beads 

      Ruiz Planas, Montserrat; Tobalina, Carlos; Demey Cedeño, Hary; Barrón Zambrano, Jesús Alberto; Sastre Requena, Ana María (2013-04)
      Article
      Accés restringit per política de l'editorial
      In this work, the removal of boron by a biopolymer of alginate was studied in an aqueous solution. The effects of pH, initial boron concentration, alginate concentration in the beads and stirring time were evaluated. The ...

    • Study of immobilized biomass reactors for sulfate reducing activity characterization and improvement 

      Castro Carrasco, Rebeca Ignacia; Gabriel Buguña, Gemma; Gamisans Noguera, Javier; Guimerà Villalba, Xavier (2022)
      Comunicació de congrés
      Accés obert
      Immobilization of non-granular sludge is an auspicious option for sulfate reducing activity improvement. In this study, PVA-biomass granules and alginate-biomass granules were tested for mechanical stability, adsorption ...

    • The influence of edible coatings, blanching and ultrasound treatments on quality attributes and shelf-life of vacuum packaged potato strips 

      Rios do Amaral, Lucas; Achaerandio Puente, María Isabel; Benedetti, Benedito Carlo; Pujolà Cunill, Montserrat (2017-11-01)
      Article
      Accés obert
      The aim of this work was to investigate the effect of using ultrasound or edible coating as a possible alternative to blanching on the quality of vacuum-packaged potato strips. The treatments assessed were blanching (85 ...