Now showing items 1-10 of 10

    • A pH-triggered polymer degradation or drug delivery system by light-mediated Cis/Trans isomerization of o-hydroxy cinnamates 

      Abramov, Alex; Maiti, Binoy; Keridou, Ina; Puiggalí Bellalta, Jordi; Reiser, Oliver; Díaz Díaz, David (2021-01-01)
      Article
      Open Access
      A new methodology for the pH-triggered degradation of polymers or for therelease of drugs under visible light irradiation based on the cyclization ofortho-hydroxy-cinnamates (oHC) to coumarins is described. The keyoHCstructural ...
    • Amyloid-like fibrils from a diphenylalanine capped with an aromatic fluorenyl 

      Martí Ballesté, Dídac; Mayans Tayadella, Enric; Gil, Ana M.; Díaz Andrade, Angélica María; Jimenez Sanz, Ana Isabel; Yousef, Ibraheem; Keridou, Ina; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2018-11-19)
      Article
      Open Access
      The self-assembly behavior of a diphenylalanine amphiphile blocked at the C-terminus with a 9-fluorenylmethyl ester and stabilized at the N-terminus with a trifluoroacetate (TFA) anion, TFA·FF-OFm, has been examined. At ...
    • 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, Mª Lluïsa; Puiggalí Bellalta, Jordi; Franco García, María Lourdes; Martínez Guil, Juan Carlos (Elsevier, 2020-08-12)
      Article
      Restricted access - publisher's policy
      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 ...
    • Electrospun scaffolds for wound healing applications from poly(4-hydroxybutyrate): A biobased and biodegradable linear polymer with high elastomeric properties 

      Keridou, Ina; Franco García, María Lourdes; Martínez, Juan Carlos; Turon, Pau; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (Wiley, 2022-01-05)
      Article
      Open Access
      Electrospun scaffolds of the biodegradable and biocompatible poly-4-hydroxybutyrate (P4HB) polyester have been prepared using horizontal and vertical set-up configurations of electrospinning. Specifically, it has been ...
    • Hydrolytic and enzymatic degradation of biobased poly(4-hydroxybutyrate) films. Selective etching of spherulites 

      Keridou, Ina; Franco García, María Lourdes; Valle Mendoza, Luis Javier del; Martínez, Juan Carlos; Funk, Lutz; Turon Dols, Pau; Puiggalí Bellalta, Jordi (2021-01)
      Article
      Restricted access - publisher's policy
      Hydrolytic degradation of poly(4-hydroxybutyrate) (P4HB) films has been studied considering media of different pH values (i.e., 3, 7 and 10) and temperatures (i.e., 37 and 55 °C). Enzymatic degradation has also been evaluated ...
    • Isothermal crystallization kinetics of poly(4-hydroxybutyrate) biopolymer 

      Keridou, Ina; Valle Mendoza, Luis Javier del; Funk, Lutz; Turon, Pau; Yousef, Ibraheem; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2019-08-01)
      Article
      Open Access
      Thermal properties and crystallization kinetics of poly(4-hydroxybutyrate) (P4HB) have been studied. The polymer shows the typical complex melting behavior associated to different lamellar populations. Annealing processes ...
    • Microstructural changes during degradation of biobased poly(4-hydroxybutyrate) sutures 

      Keridou, Ina; Franco García, María Lourdes; Valle Mendoza, Luis Javier del; Funk, Lutz; Turon, Pau; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2020-09-01)
      Article
      Open Access
      Fibers of poly(4-hydroxybutyrate) (P4HB) have been submitted to both hydrolytic and enzymatic degradation media in order to generate samples with different types and degrees of chain breakage. Random chain hydrolysis is ...
    • Non-isothermal crystallization kinetics of poly(4-hydroxybutyrate) biopolymer 

      Keridou, Ina; Valle Mendoza, Luis Javier del; Funk, Lutz; Turon, Pau; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2019-08-05)
      Article
      Open Access
      The non-isothermal crystallization of the biodegradable poly(4-hydroxybutyrate) (P4HB) has been studied by means of differential scanning calorimetry (DSC) and polarizing optical microscopy (POM). In the first case, Avrami, ...
    • Scaffolds with tunable properties constituted by electrospun nanofibers of polyglycolide and poly(e-caprolactone) 

      Keridou, Ina; Franco García, María Lourdes; Turón Dols, Pau; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (2018-01-01)
      Article
      Open Access
      Electrospun scaffolds constituted by different mixtures of two biodegradable polyesters are prepared. Specifically, materials with well differentiated properties can be derived from the blending of hydrophilic polyglycolide ...
    • Study on crystallinity, properties and degradability of poly-4-hidroxybutyrate and related polyesters 

      Keridou, Ina (Universitat Politècnica de Catalunya, 2021-04-14)
      Doctoral thesis
      Open Access
      In the last decades, polymeric biomaterials, due to their advanced physical and mechanical properties, have been used in a vast variety of surgical and pharmaceutical applications. In this thesis, a study on crystallinity, ...