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Ara es mostren els items 21-40 de 170

    • Biohydrogel from unsaturated polyesteramide: Synthesis, properties and utilization as electrolytic medium for electrochemical supercapacitors 

      Ruano Torres, Guillem; Díaz Andrade, Angélica María; Tononi García, Jordi; Torras Costa, Juan; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (Elsevier, 2020-02-01)
      Article
      Accés obert
      The utilization of hydrogels derived from biopolymers as solid electrolyte (SE) of electrochemical supercapacitors (ESCs) is a topic of increasing interest because of their promising applications in biomedicine (e.g. for ...

    • Biominerals formed by DNA and calcium oxalate or hydroxyapatite: a comparative study 

      Revilla López, Guillermo; Rodríguez Rivero, Anna M.; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi; Turon, Pau; Alemán Llansó, Carlos (2019-09-10)
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      Biominerals formed by DNA and calcium oxalate (CaOx) or hydroxyapatite (HAp), the most important and stable phase of calcium phosphate) have been examined and compared using a synergistic combination of computer simulation ...

    • Biphasic polylactide/polyamide 6,10 blends: Influence of composition on polyamide structure and polyester crystallization 

      Keridou, Ina; Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa; Puiggalí Bellalta, Jordi; Franco García, María Lourdes; Martínez Guil, Juan Carlos (Elsevier, 2020-08-12)
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      Blends with different ratios of polylactide and polyamide 6,10 (PA610) have been prepared by melt-mixing using a Brabender mixer equipment. Previously, a rheologically modified polylactide (PLAREx) was obtained through ...

    • Breaking-down the catalyst used for the electrophotosynthesis of amino acids by nitrogen and carbon fixation 

      Sans Milà, Jordi; Armelín Diggroc, Elaine Aparecida; Sanz, Vanesa; Puiggalí Bellalta, Jordi; Turon, Pau; Alemán Llansó, Carlos (2020-09-01)
      Article
      Accés obert
      The electrophotocatalytic synthesis of Glycine and Alanine from a simple gas mixture containing N2, CO2, CH4 and H2O under mild reaction conditions (95 °C and 6 bar) was recently developed using a catalyst formed by ...

    • Brill transition and melt crystallization of nylon 56 an odd-even polyamide with two hydrogen-bonding directions 

      Morales Gámez, Laura Teresa; Soto, David X.; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Elsevier, 2010-11-12)
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      Accés restringit per política de l'editorial
      Brill transition and crystallization behaviour of nylon 56, a representative polymer of odd–even polyamides, were investigated by simultaneous WAXD and SAXS synchrotron radiation. Nylon 56 crystallized from solution into ...

    • Chloramphenicol loaded polylactide melt electrospun scaffolds for biomedical applications 

      Valenti, Sofia; Valle Mendoza, Luis Javier del; Yousefzade, Omid; Macovez, Roberto; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2021-09-05)
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      Melt electrospinning of polylactide (PLA) loaded with chloramphenicol (CAM) has been performed and characteristics of fibers, physical properties of scaffolds, CAM release behavior, antibacterial properties and biocompatibility ...

    • Close contacts at the interface: Experimental-computational synergies for solving complexity problems 

      Torras Costa, Juan; Zanuy Gomara, David; Bertran Cànovas, Òscar; Alemán Llansó, Carlos; Puiggalí Bellalta, Jordi; Revilla López, Guillermo (de Gruyter, 2018-02-15)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The study of material science has been long devoted to the disentanglement of bulk structures which mainly entails finding the inner structure of materials. That structure is accountable for a major portion of materials’ ...

    • Controlled anisotropic growth of hydroxyapatite by additive-free hydrothermal synthesis 

      Sans Milà, Jordi; Sanz, Vanesa; Puiggalí Bellalta, Jordi; Turon, Pau; Alemán Llansó, Carlos (American Chemical Society, 2021-01-01)
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      Accés obert
      The synthesis of hydroxyapatite (HAp) with different shapes and sizes has attracted increasing attention because the applicability of this ceramic material depends on structure-properties relationships (i.e., the dimensions ...

    • Copolymers and blends based on 3-Hydroxybutyrate and 3-Hydroxyvalerate Units 

      Jin, Anyi; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-08)
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      This review presents a comprehensive update of the biopolymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), emphasizing its production, properties, and applications. The overall biosynthesis pathway of PHBV is ...

    • Crystal polymorphism of polylactides and poly(Pro-alt-CO): The metastable beta and gamma phases. Formation of homochiral PLLA phases in the PLLA/PDLA blends 

      Lotz, Bernard; Li, Gao; Chen, Xuesi; Puiggalí Bellalta, Jordi (Elsevier, 2017-04-21)
      Article
      Accés restringit per política de l'editorial
      Among the various crystalline phases of polylactides, an elusive orthorhombic gamma phase (¿PLLA) had been obtained so far only by epitaxial crystallization on hexamethylbenzene. A recent work by J. Shao et al. (Macromolecules, ...

    • Crystalline structures and structural transitions of copolyamides derived from 1,4-diaminobutane and different ratios of glutaric and azelaic acids 

      Olmo Osuna, Cristian; Casas Becerra, María Teresa; Martínez Guil, Juan Carlos; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-01)
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      Accés obert
      Copolyamides derived from even 1,4-butanediamine and different mixtures of odd dicarboxylic acids with a great difference in the number of methylene groups (i.e., glutaric and azelaic acids with 3 and 7 groups, respectively) ...

    • Crystallization kinetics of chain extended poly(L-lactide)s having different molecular structures 

      Yousefzade, Omid; Jeddi, Javad; Franco García, María Lourdes; Puiggalí Bellalta, Jordi; Garmabi, Hamid (2020-01-15)
      Article
      Accés obert
      Poly(L-lactide)s (PLLAs) with different chain structures were prepared by reactive melt processing and using Joncryl ADR as chain extender. Results of gel permeation chromatography (GPC) revealed that chain extended PLLAs ...

    • Cuaderno de prácticas 

      Armelín Diggroc, Elaine Aparecida; Franco García, María Lourdes; López Peña, Irene; Puiggalí Bellalta, Jordi; Saperas Plana, Núria (Universitat Politècnica de Catalunya, 2019-02)
      Pràctica
      Accés obert

    • Degradable Poly(ester amide)s for biomedical aplications 

      Rodríguez Galán, Rafael Alfonso; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2010-12-27)
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      Accés obert
      Poly(ester amide)s are an emerging group of biodegradable polymers that may cover both commodity and speciality applications. These polymers have ester and amide groups on their chemical structure which are of a degradable ...

    • Development of an antimicrobial and antioxidant hydrogel/nano-electrospun wound dressing 

      Valle Mendoza, Luis Javier del; Labra Vázquez, Pablo; Puiggalí Bellalta, Jordi; Romero Montero, Alejandra; García Arrazola, Roeb; Montiel, Carmina; Gimeno Seco, Miquel (Royal Society of Chemistry (RSC), 2020-08-18)
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      A nanocomposite based on an antibiotic-loaded hydrogel into a nano-electrospun fibre with antimicrobial and antioxidant capacities is investigated. The material is composed of nanofibres of enzymatic PCL grafted with ...

    • Dissolving hydroxyolite: a DNA molecule into its hydroxyapatite mold 

      Bertran Cànovas, Òscar; Revilla López, Guillermo; Casanovas Salas, Jordi; Valle Mendoza, Luis Javier del; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2016-04-01)
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      In spite of the clinical importance of hydroxyapatite (HAp), the mechanism that controls its dissolution in acidic environments remains unclear. Knowledge of such a process is highly desirable to provide better understanding ...

    • Diversity and hierarchy in supramolecular assemblies of triphenylalanine: from laminated helical ribbons to toroids 

      Mayans Tayadella, Enric; Casanovas Salas, Jordi; Gil, Ana M.; Jimenez Sanz, Ana Isabel; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2017-04-04)
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      Microstructures from small phenylalanine-based peptides have attracted great attention lately because these compounds are considered to be a new class of tunable materials. In spite of the extensive studies on uncapped ...

    • DNA adsorbed on hydroxyapatite surfaces 

      Valle Mendoza, Luis Javier del; Bertran Cànovas, Òscar; Chaves Barboza, Gustavo Adolfo; Revilla López, Guillermo; Rivas Cañas, Manuel; Casanovas Muñoz, Jordi; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos; Casas, Maria Teresa (Royal Society of Chemistry, 2014-01-01)
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      Hydroxyapatite (HAp) particles with very different surface charges and compositions (i.e. different Ca/P and CO32-/PO43- ratios) have been obtained by varying the experimental conditions used during the chemical precipitation ...

    • Doped photo-crosslinked polyesteramide hydrogels as solid electrolytes for supercapacitors 

      Ruano Torres, Guillem; Tononi García, Jordi; Curcó Cantarell, David; Puiggalí Bellalta, Jordi; Torras Costa, Juan; Alemán Llansó, Carlos (2020-09-14)
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      High-performance hydrogels play a crucial role as solid electrolytes for flexible electrochemical supercapacitors (ESCs). More specifically, all solid-state ESCs based on renewable, biodegradable and/or biocompatible ...

    • Drug-biopolymer dispersions: morphology-and temperature-dependent (anti)plasticizer effect of the drug and component-specific Johari–Goldstein relaxations 

      Valenti, Sofia; Valle Mendoza, Luis Javier del; Romanini, Michela; Mitjana Rusiñol, Meritxell; Puiggalí Bellalta, Jordi; Tamarit Mur, José Luis; Macovez, Roberto (2022-03-01)
      Article
      Accés obert
      Amorphous molecule-macromolecule mixtures are ubiquitous in polymer technology and are one of the most studied routes for the development of amorphous drug formulations. For these applications it is crucial to understand ...