Exploració per autor "Muñoz Guerra, Sebastián"
Ara es mostren els items 42-61 de 99
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Ionic complexes of poly(gamma-glutamic acid) with alkyltrimethylphosphonium surfactants
Gamarra Montes, Ana; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Vives, Marc; Morató Farreras, Jordi; Muñoz Guerra, Sebastián (Elsevier, 2017-05-05)
Article
Accés obertA series of ionic complexes with a comb-like architecture and a nearly stoichiometric composition were prepared from bacterial poly(gamma,dl-glutamic acid) (PGGA) and alkyltrimethyl phosphonium bromides (nATMP·Br) bearing ... -
Ionic complexes of polyacids and cationic surfactants
Tolentino, Ainhoa; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (2010-10-01)
Article
Accés restringit per política de l'editorialComb-like ionic complexes were prepared from polyuronic acids (pectinic and alginic acids) and alkyltrimethylammonium surfactants bearing linear alkyl chains with 18, 20 and 22 carbon atoms. In the condensed state, these ... -
Ionic coupling of hyaluronic acid with ethyl N-lauroyl L-arginate (LAE): Structure, properties and biocide activity of complexes
Gamarra Montes, Ana; Missagia, Beatriz; Urpí Garriga, Lourdes; Morató Farreras, Jordi; Muñoz Guerra, Sebastián (2018-10-01)
Article
Accés obertEthyl alpha-N-lauroyl L-arginate hydrochloride (LAE) was coupled with hyaluronic acid (HyA) 2 to form ionic complexes with LAE to HyA ratios of 1:1 and 1:2. The complexes were extensively 3 characterized by FTIR and NMR ... -
Isohexide and sorbitol-derived, enzymatically synthesized renewable polyesters with enhanced Tg
Gustini, Liliane; Lavilla, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián; Koning, Cor (2016-10-10)
Article
Accés obertSugar-based polyesters derived from sorbitol and isohexides were obtained via solvent-free enzymatic catalysis. Pendant hydroxyl groups, coming from the sorbitol units, were present along the polyester backbone, whereas ... -
Isomannide-containing poly(butylene 2,5-furandicarboxylate) copolyesters via ring opening polymerization
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; León Cavanillas, Salvador; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2018-05-08)
Article
Accés obertCyclic oligomers of isomannide 2,5-furandicarboxylate were synthesized using the high dilution condensation method. A mixture of dimer, trimer, and tetramer species largely enriched in dimer was obtained. These cyclic ... -
Metal-free catalyzed ring-opening polymerization and block copolymerization of ¿-pentadecalactone using amino-ended initiators
Tinajero, Ernesto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián; de Paz, Maria Viola; Galbis Fuster, Elsa (Elsevier, 2018-11-01)
Article
Accés obertMetal-free catalysis was successfully applied to polymerize ¿-pentadecalactone (PDL) by ring-opening polymerization (ROP) using several amino-ended initiators, namely hexylamine, allylamine and O,O'-bis(3-aminopropyl)diethylene ... -
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'editorialMicrobial 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 obertComb-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 ... -
Modification of properties of poly(butylene succinate) by copolymerization with tartaric acid-based monomers
Zakharova, Elena; Lavilla, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2014-12-01)
Article
Accés restringit per política de l'editorialThe two cyclic acetals, 2,3-di-O-methylene-l-threitol and dimethyl 2,3-di-O-methylene-l-threarate, were used for the synthesis of two series of PBS copolyesters differing in which unit, butylene or succinate, was replaced, ... -
Modulating the Tg of poly(alkylene succinate)s by inserting bio-based aromatic units via ring-opening copolymerization
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2017-12-12)
Article
Accés obertTwo series of aliphatic-aromatic copolyesters derived from succinic and 2,5-furandicarboxylic acids, and di-O-2-(hydroxyethyl) resorcinol as diol substituent of either 1,4-butanediol or ethylene glycol, respectively, were ... -
Nanocomposites of microbial polyglutamic acid and nanoclays compatibilized by organophosphonium surfactants
Gamarra Montes, Ana; Muñoz Guerra, Sebastián; Urpí Garriga, Lourdes; Galbis Fuster, Elsa; Galbis Pérez, Juan Antonio (2018-01-01)
Article
Accés obertIonic coupling of bacterial poly(¿-glutamic acid) (PGGA) with alkyltrimethylphosphonium surfactants is reported to render comb-like PGGA complexes with a biphasic-layered structure displaying periodicity at the nanoscopic ... -
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'editorialEsterification 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 ... -
Nanostructured amphiphilic systems based on hyaluronic acid ionic complexes
Gamarra Montes, Ana; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Casas Becerra, María Teresa; Muñoz Guerra, Sebastián (2016)
Text en actes de congrés
Accés obertIn this communication we wish to report on HyA ionic complexes prepared by coupling with a) choline-based surfactants (nACh·HyA complexes), and b) alkylphosphonium surfactants (nATMP·HyA complexes) with n being the number ... -
Partially renewable copolyesters prepared from acetalized d-glucitol by solid-state modification of poly(butylene terephthalate)
Gubbels, Erik; Lavilla, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Noordover, Bart A. J.; Koning, Cor E.; Muñoz Guerra, Sebastián (2014-01-15)
Article
Accés restringit per política de l'editorialThe backbone of poly(butylene terephthalate) (PBT) was modified with 2,4:3,5-di- O -methylene- D -glucitol (Glux) using solid-state modification (SSM). The obtained copolyest- ers proved to have a non-random overall ... -
Partially renewable poly(butylene 2,5-furandicarboxylate-co-isophthalate) copolyesters obtained by ROP
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-01)
Capítol de llibre
Accés obertCyclic butylene furandicarboxylate (c(BF)n) and butylene isophthalate (c(BI)n) oligomers obtained by high dilution condensation reaction were polymerized in bulk at 200 ¿C with Sn(Oct)2 catalyst via ring opening polymerization ... -
Partially renewable poly(butylene 2,5-furandicarboxylate-co-isophthalate) copolyesters obtained by ROP
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (Multidisciplinary Digital Publishing Institute (MDPI), 2018-04-28)
Article
Accés obertCyclic butylene furandicarboxylate (c(BF)n) and butylene isophthalate (c(BI)n) oligomers obtained by high dilution condensation reaction were polymerized in bulk at 200 °C with Sn(Oct)2 catalyst via ring opening polymerization ... -
pH-responsive diblock copolymers made of omega-pentadecalactone and ionically charged alpha-amino acids
Tinajero, Ernesto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (Elsevier, 2019-11-01)
Article
Accés obertTwo sets of ionically charged polypentadecalactone-polypeptide diblock copolymers (PPDLx-b-PAAy, with x= 15 or 20 and y ranging from 30 to 200), one containing alpha-L-glutamic acid (LGA) and the other containing ... -
Poly(alkylene 2,5-furandicarboxylate)s (PEF and PBF) by ring opening polymerization
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (Elsevier, 2016-03-22)
Article
Accés obertThe preparation of cyclic ethylene and butylene 2,5-furandicarboxylate oligoesters and their conversion to furan-based polyesters poly(ethylene furanoate) (PEF) and poly(butylene furanoate) (PBF) by ring-opening polymerization ... -
Poly(alpha-dodecyl gamma-glutamate) (PAAG-12) and polylactic acid films charged with alpha-tocopherol and their antioxidant capacity in food models
Villasante Dueñas, Juliana; Codina, Eva; Hidalgo López, Gádor Indra; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián; Almajano Pablos, María Pilar (2019-08-06)
Article
Accés obertPoly (alpha-dodecyl-glutamate) (PAAG-12) was successfully synthesized from poly(gamma-glutamic acid) (PGGA) according to Nuclear Magnetic Resonance (NMR) analyses. PAAG-12 filmswere prepared and enriched with 5% alpha-tocopherol, ... -
Poly(amino acid)-grafted polymacrolactones. Synthesis, self-assembling and ionic coupling properties
Tinajero, Ernesto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Cavanagh, Breton; Heise, Andreas; Muñoz Guerra, Sebastián (2019-01-01)
Article
Accés obertPolyglobalide (PGl) with number average polymerization degree of ~20 was prepared by enzymatic ROP and then polyfunctionalized at 60% with aminothioethylene groups. The PGl20-(NH2)12 copolymer was used as macroinitiator ...