Exploració per autor "García Álvarez, Montserrat"Més informacióMés informació

Ara es mostren els items 1-14 de 14

    • Apunts del Grup de recursos per a la didàctica de la química 

      Grau Vilalta, Maria Dolors; Guaus Guerrero, Ester; Martínez Matínez, María; Calvet Tarragona, Aureli; Almajano Pablos, María Pilar; Álvarez del Castillo, María Dolores; Armelín Diggroc, Elaine Aparecida; Cadenato Matia, Ana María; Cardona Planes, Anna Maria; Farran Marsà, Adriana; García Álvarez, Montserrat; Garrido Soriano, Núria; Gorchs Altarriba, Roser; Graells Sobré, Moisès; Morillo Cazorla, Margarita; Pardo Tràfach, Patricia; Torras Grané, Josep (Universitat Politècnica de Catalunya, 2011)
      Apunts
      Accés obert

    • Biocompatible graft copolymers from bacterial poly(gamma-glutamic acid) and poly(lactic acid) 

      Zaccaria, Cristiana; Cedrati, Valeria; Nitti, Andrea; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; García Álvarez, Montserrat; Chiesa, Enrica; Meli, Massimiliano; Colombo, Giorgio; Pasini, Dario (2021-07-14)
      Article
      Accés obert
      We report a novel approach for the modular and convergent construction of biocompatible graft copolymers starting from bacterial poly(¿-glutamic acid)(¿-PGA) and incorporating poly(lactic acid) (PLA). This synthesis strategy ...

    • Curing kinetics of acrylate-based and 3D printable IPNs 

      Konuray, Ali Osman; Salla Tarragó, José María; Morancho Llena, José María; Fernández Francos, Xavier; García Álvarez, Montserrat; Ramis Juan, Xavier (2020-10-01)
      Article
      Accés obert
      In this work, the kinetics of curing of a new family of interpenetrating polymer networks (IPNs) obtained by co-formulation of a photocurable acrylic resin with a thermocurable epoxy/anhydride mixture is studied. The first ...

    • Curing kinetics of dually-processed acrylate-epoxy 3D printing resins 

      Konuray, Ali Osman; Morancho Llena, José María; Fernández Francos, Xavier; García Álvarez, Montserrat; Ramis Juan, Xavier (2021-07-01)
      Article
      Accés obert
      In this work, the curing kinetics of a new ternary acrylate/epoxy/anhydride thermoset system which is used for dual-curing 3D-printing applications is studied. The first curing stage is an acrylate free-radical photopolymerization ...

    • Derivados del Nylon 3 con grupos laterales alcoxicarbonilos ramificados y cíclicos 

      García Álvarez, Montserrat (Universitat Politècnica de Catalunya, 1997-03-07)
      Tesi
      Accés obert
      El presente trabajo se ha centrado en la síntesis, caracterización y estudio estructural de poli(alfa-alquil-beta-L-aspartato)s con grupos laterales ramificados y cíclicos.<br/><br/> Se han sintetizado los monómero: ...

    • Hard epoxy thermosets obtained via two sequential epoxy-amine condensations 

      Konuray, Ali Osman; García, Aina; Morancho Llena, José María; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ferrando Piera, Francesc; García Álvarez, Montserrat; Ramis Juan, Xavier (Elsevier, 2019-07-01)
      Article
      Accés obert
      A new family of dual-curable poly(ß-hydroxyamine ether) thermosets based on amine-epoxy formulations has been prepared and characterized. Both curing stages consist in an epoxy-amine polycondensation, each having different ...

    • Hydrophobic modification of poly(gamma-glutamic acid) by grafting 4-phenyl-butyl side groups for the encapsulation and release of doxorubicin 

      Dorost, Porochista; García Álvarez, Montserrat; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon (Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-16)
      Article
      Accés obert
      The delivery of drugs is a great challenge, since most of active pharmaceutical ingredients developed today are hydrophobic and poorly water soluble. From this perspective, drug encapsulation on biodegradable and biocompatible ...

    • Modification of microbial polymalic acid with hydrophobic amino acids for drug-releasing nanoparticles 

      Lanz, Alberto; García Álvarez, Montserrat; Portilla Arias, Jose Antonio; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Holler, Eggehard; Ljubimova, Julia Y.; Muñoz Guerra, Sebastián (2012-08-14)
      Article
      Accés restringit per política de l'editorial
      Microbial poly( β , L -malic acid) was modifi ed with either L -leucine ethyl ester (L) or L -phenylalanine methyl ester (F) to produce amphiphylic copolymers. The degradation of these copolymers in aqueous buffer took ...

    • Modification of microbial polymers by thiol-ene click reaction: Nanoparticle formation and drug encapsulation 

      Lanz, Alberto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; García Álvarez, Montserrat; Muñoz Guerra, Sebastián (2016-09-01)
      Article
      Accés obert
      Comb-like amphiphilic polymers were obtained by grafting long paraffinic chains on microbial poly(¿,dl-glutamic acid) and poly(ß,l-malic acid) through two steps, i.e. allylation of the carboxylic side groups followed by ...

    • Nanoparticles made of poly(gama-glutamic acid) derivatives for drug delivery systems 

      Dorost, Porochista; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; García Álvarez, Montserrat (2022)
      Comunicació de congrés
      Accés obert
      One of the treatments for cancer is chemotherapy but most anticancer drugs have a low therapeutic index, which causes toxicity complications in the healthy tissues [1]. To minimize these complications and improve the effect ...

    • Nanoparticles of esterified polymalic acid for controlled anticancer drug release 

      Lanz Landazuri, Alberto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Portilla Arias, Jose Antonio; García Álvarez, Montserrat; Holler, Eggehard; Ljubimova, Julia; Muñoz Guerra, Sebastián (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      Esterification of microbial poly(malic acid) is performed with either ethanol or 1-butanol to obtain polymalate conjugates capable to form nanoparticles (100–350 nm). Degradation under physiological conditions takes place ...

    • Poly(methyl malate) nanoparticles: formation, degradation, and encapsulation of anticancer drugs 

      Lanz, Alberto; García Álvarez, Montserrat; Portilla Arias, Jose Antonio; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Patil, Rameshwar; Holler, Eggehard; Ljubimova, Julia Y.; Muñoz Guerra, Sebastián (2011-10-10)
      Article
      Accés restringit per política de l'editorial
      PMLA nanoparticles with diameters of 150–250nm are prepared, and their hydrolytic degradation is studied under physiological conditions. Degradation occurs by hydrolysis of the side chain methyl ester followed by cleavage ...

    • Poly(ß,L-malic acid)/Doxorubicin ionic complex: A pH-dependent delivery system 

      Lanz Landazuri, Alberto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; García Álvarez, Montserrat; Muñoz Guerra, Sebastián (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      Poly(beta,L-malic acid) (PMLA) was made to interact with the cationic anticancer drug Doxorubicin (DOX) in aqueous solution to form ionic complexes with different compositions and an efficiency near to 100%. The PMLA/DOX ...

    • Time-temperature-transformation (TTT) diagram of dual-curable epoxy thermosets obtained via two sequential epoxy-amine condensations 

      Konuray, Ali Osman; Salla Tarragó, José María; Morancho Llena, José María; Fernández Francos, Xavier; García Álvarez, Montserrat; Ramis Juan, Xavier (2019-08-01)
      Article
      Accés obert
      A simple and robust strategy to generate time-temperature-transformation (TTT) diagrams for dual-curable thermosets is presented. TTT diagram is built for a dual-curable amine-epoxy formulation. Both curing stages are ...