Exploració per autor "Rodríguez Contreras, Alejandra María"
Ara es mostren els items 1-18 de 18
-
Antimicrobial PHAs coatings for solid and porous tantalum implants
(2019-10-01)
Article
Accés obertBiomaterial-associated infections (BAI) are the major cause of failure of indwelling medical devices. The risk of BAI can end dramatically in the surgical removal of the affected device. Therefore, a major effort must be ... -
Biomedical applications of powder metallurgy
(Elsevier, 2021-09-01)
Capítol de llibre
Accés restringit per política de l'editorialThe performance and properties of Titanium (Ti) and its alloys can be fully exploited for biomedical applications such as orthopedic and dental implants, when porous structures are used. Such Ti structures can matched the ... -
Development of novel dual-action coatings with osteoinductive and antibacterial properties for 3D-printed titanium implants
(Elsevier, 2020-09-02)
Article
Accés obert
Realitzat a/amb: Institut de Bioenginyeria de CatalunyaGallium (Ga) has been recently proposed as a novel therapeutic agent, since it promotes bone formation and exhibits antibacterial properties. This work focuses on the optimization of a thermochemical treatment that ... -
Dual-action effect of gallium and silver providing osseointegration and antibacterial properties to calcium titanate coatings on porous titanium implants
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-01)
Article
Accés obert
Realitzat a/amb: AMES / Institut de Bioenginyeria de CatalunyaPreviously, functional coatings on 3D-printed titanium implants were developed to improve their biointegration by separately incorporating Ga and Ag on the biomaterial surface. Now, a thermochemical treatment modification ... -
Effect of functionalization of texturized polypropylene surface by silanization and HBII-RGD attachment on response of primary abdominal and vaginal fibroblasts
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-03-01)
Article
Accés obert
Realitzat a/amb: Vall d'Hebron Institut de Recerca / Universitat Internacional de Catalunya / Centro de Investigación Biomédica en Red. Bioingeniería, Biomateriales y Nanomedicina / Universitat Autònoma de Barcelona / Hospital Sant Rafael - Germanes Hospitalàries / Hospital Universitari Vall d'HebronSoft tissue defects, such as incisional hernia or pelvic organ prolapse, are prevalent pathologies characterized by a tissue microenvironment rich in fragile and dysfunctional fibroblasts. Precision medicine could improve ... -
Enzymatic degradation of poly(3-hydroxybutyrate) by a commercial lipase
(2012-08)
Article
Accés restringit per política de l'editorialPolyesters such as poly(3-hydroxybutyrate) (PHB) have attracted commercial and academic interest as new biotechnological materials. In previous studies it was confirmed that two commercial lipases hydrolyzed the ester bonds ... -
High production of poly(3-hydroxybutyrate) from a wild Bacillus megaterium Bolivian strain
(2013-02-26)
Article
Accés restringit per política de l'editorialTaking into account that a novel strain of Bacillus megaterium was isolated from Uyuni salt lake (Bolivia) in a previous work, the objectives of this new study were to determine the maximal Poly-3-hydroxybutyrate production ... -
In-situ laser directed energy deposition of biomedical ti-nb and ti-zr-nb alloys from elemental powders
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-01)
Article
Accés obert
Realitzat a/amb: Universitat Internacional de Catalunya / Institut de Recerca Sant Joan de Déu / Universidade de VigoIn order to achieve the required properties of titanium implants, more resources and research are needed to turn into reality the dream of developing the perfect implant material. The objective of this study was to evaluate ... -
Laser-deposited beta type Ti-42Nb alloy with anisotropic mechanical properties for pioneering biomedical implants with a very low elastic modulus
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-01)
Article
Accés obert
Realitzat a/amb: Universidade de Vigo / Institut de Recerca Sant Joan de Déu / Instituto de Investigación Sanitaria Galicia Sur / Universitat Internacional de Catalunya. Facultat d'OdontologiaPresent commercial titanium alloy implants have an elastic modulus higher than 100 GPa, whereas that of the cortical bone is much smaller (17–28 GPa). This elastic modulus mismatch produces a stress shielding effect and ... -
Liquefied Wood as Inexpensive Precursor-Feedstock for Bio-Mediated Incorporation of (R)-3-Hydroxyvalerate into Polyhydroxyalkanoates
(2015-09-01)
Article
Accés obertLiquefied wood (LW) prepared in a microwave process was applied as a novel; inexpensive precursor feedstock for incorporation of (R)-3-hydroxyvalerate (3HV) into polyhydroxyalkanoate (PHA) biopolyesters in order to improve ... -
Methods for the preparation of doxycycline-loaded phb micro- and nano-spheres
(2013-11)
Article
Accés restringit per política de l'editorialNatural and synthetic biodegradable polymers have been investigated for controlled drug release. Poly(3-hydroxybutyrate) can be produced by bacteria and is remarkable for this application due to its excellent biocompatibility ... -
Methods for the preparation of doxycycline-loaded phb micro- and nano-spheres.
(2013-08-10)
Article
Accés restringit per política de l'editorialNatural and synthetic biodegradable polymers have been investigated for controlled drug release. Poly(3-hydroxybutyrate) can be produced by bacteria and is remarkable for this application due to its excellent biocompatibility ... -
New PHB-producing Bacillus Strain from Environmental Samples
(Nova Science Publishers, Inc, 2015-12-16)
Capítol de llibre
Accés restringit per política de l'editorialMany microorganisms are known to synthesize poly[(R)-3-hydroxybutyrate] (PHB) from renewable resources. This biocompatible and biodegradable biopolyester possesses similar properties to some of the conventional plastics ... -
NiTi superelastic orthodontic wires with variable stress obtained by ageing treatments
(2013-08)
Article
Accés restringit per política de l'editorialA new strategy to obtain NiTi orthodontic archwires with variable correcting stresses in different segments is presented. Different heat treatments are applied in selected segments, which produce variations in the superelastic ... -
Novel Poly[(R)-3-Hydroxybutyratel-producing bacterium isolated from a bolivian hypersaline lake
(2013-03)
Article
Accés obertPoly [ ( R )-3-hydroxybutyrate ] (PHB) constitutes a biopolymer synthesized from renew- able resources by various microorganisms. This work focuses on finding a new PHB-produc- ing bacterium capable of growing in ... -
Powder metallurgy with space holder for porous titanium implants: A review
(2021-06)
Article
Accés obertOne of the biggest challenges in the biocompatibility of implantable metals is the prevention of the stress shielding effect, which is related to the coupling of the bone-metal mechanical properties. This stress shielding ... -
Recent advances in the use of polyhydroyalkanoates in biomedicine
(2019-09-01)
Article
Accés obertPolyhydroxyalkanoates (PHAs), a family of natural biopolyesters, are widely used in many applications, especially in biomedicine. Since they are produced by a variety of microorganisms, they possess special properties that ... -
Study for poly[(R)-3-hydroxybutyrate] production by bacterial strains and its modification for drug delivery systems
(Universitat Politècnica de Catalunya, 2013-06-06)
Tesi
Accés obertNowadays biopolymers are a good alternative to petrochemical polymers. One of these biopolymers is Poly[(R)-3- Hydroxybutyrate] (PHB) which is produced from renewable resources by various microorganisms and, after its use ...
