Now showing items 21-40 of 86

  • Comblike ionic complexes of hyaluronic acid and alkanoylcholine surfactants as a platform for drug delivery systems 

    Gamarra Montes, Ana; Muñoz Guerra, Sebastián; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Thérien-Aubin, Héloïse; Landfester, Katharina (2018-09-10)
    Article
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    Nontoxic alkanoylcholine soaps (nACh) were synthesized from choline and fatty acids with numbers of carbons n equal to 12, 14, 16, and 18, the latter including both saturated and 9-cis unsaturated alkanoyl chains. Coupling ...
  • Comb-like ionic complexes of hyaluronic acid with alkyltrimethylammonium surfactants 

    Tolentino, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2013-01-30)
    Article
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    Stoichiometric complexes of hyaluronic acid with alkyltrimethylammonium surfactants bearing octadecyl, eicosyl and docosyl groups were prepared by ionic coupling in aqueous solution. The complexes were non soluble in water ...
  • Comb-like ionic complexes of pectinic and alginic acids with alkyltrimethylammonium surfactants 

    Tolentino, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2011-08-15)
    Article
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    Ionic coupling of both polygalacturonic and alginic acids with alkyltrimethyl ammonium surfactants containing 18, 20 and 22 carbon atoms in the alkyl side chain was conducted in water solution to prepare non-soluble comb-like ...
  • Comblike Ionic Complexes of Poly(gamma-glutamic acid) and Alkanoylcholines Derived from Fatty Acids 

    Tolentino, Ainhoa; León, Salvador; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2013-02-15)
    Article
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    A series of ionic complexes with almost stoichio- metric composition have been “ synthesized ” from bacterial poly( γ - glutamic acid) and alkanoylcholines derived from fatty acids with 12, 14, 16, and 18 carbon ...
  • Compared structure and morphology of nylon-12 and 10-polyurethane lamellar crystals 

    Fernández Lopez, Carlos E.; Bermúdez Hermida, Marta María; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián; Tocha, E.; Vancso, J. (Elsevier, 2011-03-23)
    Article
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    A comparative study of the structure and morphology of nylon-12 and 10-polyurethane (10-PUR) lamellar crystals, was carried out. Lamellar crystals were obtained by isothermal crystallization from diluted solution. Electron ...
  • Complexes of polyglutamic acid and long-chain alkanoylcholines: Nanoparticle formation and drug release 

    Tolentino Chivite, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2014-05-01)
    Article
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    Ionic complexes of microbial poly(¿-glutamic acid) and alkanoylcholines are fully bio-based comb-like systems able to self-organize in an ordered amphiphilic structure made of hydrophobic and hydrophilic alternating layers. ...
  • Configurational entropy calculation of poly(alpha-alkyl beta,L-aspartate)s amorphous and crystalline films using gas permeation 

    del Castillo, L. F.; Andrio Balado, Andreu; Nava, J.A.; Molla, S.; Muñoz Guerra, Sebastián; Compañ Morreno, Vicente (2014-10-01)
    Article
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    The permeability and diffusion coefficient of gases such as N-2, O-2 and CO2 through two polymeric membranes of poly(alpha-alkyl beta,L-aspartate)s (PAALA-n) were determined by the
  • Copoliésteres alifáticos derivados del ácido galactárico diacetalizado 

    Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2012)
    Conference lecture
    Open Access
  • Copolímeros poli(etilen-co-ciclohexanodimetilen tereftalato) obtenidos mediante copolimerización por apertura de anillo 

    Muñoz Guerra, Sebastián; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; González Vidal, Nathalie (2010-06-16)
    External research report
    Open Access
    Patente española
  • Copolyesters made from 1,4-butanediol, sebacic acid, and D-glucose by melt and enzymatic polycondensation 

    Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Jiang, Yi; Loos, Katja; Muñoz Guerra, Sebastián (2015-03-09)
    Article
    Open Access
    Biotechnologically accessible 1,4-butanediol and vegetal oil-based diethyl sebacate were copolymerized with bicyclic acetalized d-glucose derivatives (Glux) by polycondensation both in the melt at high temperature and in ...
  • Crystalline structure and thermotropic behavior of alkyltrimethylphosphonium amphiphiles 

    Gamarra Montes, Ana; Urpí Garriga, Lourdes; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2017-02-14)
    Article
    Open Access
    Quaternary organophosphonium salts bearing long alkyl chains are cationic surfactants of interest owing to their physical and biological properties. In the present work, the crystal structure and thermotropic behavior of ...
  • Fully bio-based aromatic–aliphatic copolyesters: poly(butylene furandicarboxylate-co-succinate)s obtained by ring opening polymerization 

    Morales Huerta, Juan Carlos; Batista Ciulik, Claudio; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2017-01-28)
    Article
    Open Access
    Poly(butylene 2,5-furandicarboxylate-co-succinate) copolyesters (coPBFxSy) have been synthesized by ring opening polymerization (ROP). Cyclic butylene 2,5-furandicarboxylate and butylene succinate oligomer mixtures, to ...
  • Green and selective polycondensation methods toward linear sorbitol-based polyesters: enzymatic versus organic and metal-based catalysis 

    Gustini, Liliane; Lavilla, Cristina; Janssen, William; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián; Koning, Cor (2016-08-23)
    Article
    Open Access
    Renewable polyesters derived from a sugar alcohol (i.e., sorbitol) were synthesized by solvent-free polycondensation. The aim was to prepare linear polyesters with pendant hydroxyl groups along the polymer backbone. The ...
  • High Tg bio-based aliphatic polyesters from bicyclic D-mannitol 

    Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2013-03-11)
    Article
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    The carbohydrate-based diol 2,4:3,5-di- O -methylene- D -mannitol (Manx) has been used to obtain aliphatic polyesters. Manx is a symmetric bicyclic compound consisting of two fused 1,3-dioxane rings and bearing ...
  • Hydrolizable aromatic copolyesters of p-dioxanone 

    Giammanco, Giuseppe; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (2010-09-13)
    Article
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    Entropically driven ring-opening copolymerization of mixtures of a fraction of cyclic oligo(hexamethylene terephthalate)s composed of cycle sizes from 2 to 5 and p-dioxanone was used to prepare random copolyesters covering ...
  • Hydroxyl-functionalized amphiphilic triblock copolyesters made of tartaric and lactic acids: Synthesis and nanoparticle formation 

    Zakharova, Elena; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; León Cavanillas, Salvador; Muñoz Guerra, Sebastián (2018-05-01)
    Article
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    Bio-based triblock copolyesters were synthesized by ring-opening polymerization of l-lactide in solution using a hydroxyl-ended polytartrate as di-functional macroinitiator. This telechelic polyester with a Mn about ...
  • 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
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    Comb-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 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
    Open Access
    A 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 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
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    Ethyl 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
    Open Access
    Sugar-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 ...