Browsing by Subject "Biopolymers"
Now showing items 1-20 of 79
-
Amino acid-based poly(ester amide) nanofibers for tailored enzymatic degradation prepared by miniemulsion-electrospinning
(2015-01-01)
Article
Open AccessNovel enzyme loaded scaffolds with enzyme-responsive degradable properties for drug delivery are prepared by an original inverse-miniemulsion electrospinning method. Miniemulsions with aqueous nanodroplets containing ... -
Análisis de propiedades de recubrimientos biodegradables
(Universitat Politècnica de Catalunya, 2018-06-29)
Master thesis
Restricted access - confidentiality agreementEl objetivo del presente proyecto es mejorar las propiedades de barrera al vapor de agua y al agua líquida de un soporte en base papel mediante la aplicación de un novedoso recubrimiento biodegradable de ácido poliláctico. El ... -
Antimony removal from water by a chitosan-Iron(III)[ChiFer(III)] biocomposite
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-01)
Article
Open AccessThe presence of antimony(III) in water represents a worldwide concern, mainly due to its high toxicity and carcinogenicity potential. It can be separated from water by the use of sustainable biopolymers such as chitosan ... -
Aplicación de biopolímeros a tejidos: el quitosano
(Universitat Politècnica de Catalunya, 2016-10-27)
Bachelor thesis
Open Access -
Avaluació de la DBO per disminució de la pressió parcial. Aplicació a l’estudi de la biodegradació
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis (pre-Bologna period)
Open AccessEl consum de plàstics a les societats actuals representa un elevat volum de residus recalcitrants. La investigació en polímers biodegradables es planteja com una alternativa viable per disminuir l’impacte ambiental d’aquests ... -
Biofunctionalization of biocompatible polymeric surfaces with cell-adhesive peptides
(Universitat Politècnica de Catalunya, 2011-02)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl presente proyecto propone el estudio de la funcionalización superficial de polímeros biocompatibles con la molécula elastin-like polymers (ELP), la cual contiene la secuencia aminoacidica de adhesión celular RGD ... -
Bionanocomposites based on 3-hydroxybutyrate-co-3-hydroxyvalerate (PHBV) and cellulose nanowhiskers (CNWs)
(Universitat Politècnica de Catalunya, 2016-07-09)
Bachelor thesis
Open AccessOver the past decade, bio-based polymers, especially in packaging, have gained a bigger role due to the over consuming of petrol derivates and the gradually growing concerns relating environment and sustainability issues. ... -
Biopolyester (PHB) obtaining by fermentation of Ralstonia eutropha
(Universitat Politècnica de Catalunya, 2012-09)
Master thesis
Restricted access - author's decisionNowadays, the dependence that our society has to non-biodegradable plastics derived from petroleum has created the necessity to develop an economically viable alternative. Biopolymers seem to be an attractive alternative ... -
Bioproduction of Poly-3-Hydroxybutyrate and Study for a Specific Genetic Application
(Universitat Politècnica de Catalunya, 2011-06)
Master thesis
Restricted access - author's decisionThe serious ambient problems from the wide plastic use had made the scientific community suggest the substitution of conventional plastics for biodegradable ones. Polyhydroxyalcanoats (PHAs) are biopolyesters produced from ... -
Bottom-up layer-by-layer assembling of antibacterial freestanding nanobiocomposite films
(2018-07-27)
Article
Open AccessIn this study, freestanding nanobiocomposite films were obtained by the sequential deposition of biopolymer-capped silver nanoparticles (AgNPs) and hyaluronic acid (HA). At first, dispersions ofAgNPs decorated with chitosan ... -
Building an antifouling zwitterionic coating on urinary catheters using an enzymatically triggered bottom-up approach
(2014-06-23)
Article
Restricted access - publisher's policyCatheter associated urinary tract infections are common during hospitalization due to the formation of bacterial biofilms on the indwelling device. In this study, we report an innovative biotechnology-based approach for ... -
Caracterización, elaboración de scaffolds y estudio de la bioactividad de un Poli (3-hidroxioctanoato-co-3-hidroxihexanoato) para aplicaciones biomédicas
(Universitat Politècnica de Catalunya / Euskal Herriko Unibertsitatea, 2013)
Master thesis (pre-Bologna period)
Restricted access - author's decision
Covenantee: Universidad del País Vasco - Euskal Herriko UnibertsitateaEste proyecto se desarrolla en el campo de los polímeros biodegradables con aplicaciones biomédicas. Se estudiaran los polihidroxialcanoatos (PHA), que son un tipo de poliésteres lineales sintetizados por algunos microorganismos ... -
Comblike ionic complexes of hyaluronic acid and alkanoylcholine surfactants as a platform for drug delivery systems
(2018-09-10)
Article
Open AccessNontoxic 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 ... -
Confinement of a ß-barrel protein in nanoperforated free-standing nanomembranes for ion transport
(2016-10-14)
Article
Open AccessBioinspired free-standing nanomembranes (FSNMs) for selective ion transport have been tailored by immobilizing the Omp2a ß-barrel membrane protein inside nanoperforations created in flexible poly(lactic acid) (PLA) ... -
Current status and challenges of biohydrogels for applications as supercapacitors and secondary batteries
(Royal Society of Chemistry, 2016-05-03)
Article
Open AccessProgress in the chemical sciences has formed the world we live in, both on a macroscopic and on a nanoscopic scale. The last decade witnessed the development of high performance materials that storage charge on many ways, ... -
Desarrollo de procesos de separación y recuperación del boro de aguas contaminadas mediante el uso de biopolímeros
(Universitat Politècnica de Catalunya, 2010-09)
Master thesis
Restricted access - author's decisionEl agua es un recurso fundamental para todos los seres vivientes y es un recurso indispensable para el desarrollo industrial. La creciente presión que genera el crecimiento poblacional y el aumento de las necesidades de ... -
Developing a SERS-active sensing substrate using collagen as a promising biopolymer for porous coatings
(Universitat Politècnica de Catalunya, 2019-01-25)
Bachelor thesis
Restricted access - author's decision
Covenantee: Hochschule für Technik und Wirtschaft Dresden -
Dinàmica i estabilització del compost farmacèutic amorf Biclotymol mitjançant l’excipient polimèric PVP
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Urquima -
Effect of chain extender and water-quenching on the properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) foams for its production by extrusion foaming
(2016-10-01)
Article
Open AccessBacterial polyesters such as polyhydroxyalkanoates (PHAs) are of great interest for a large number of applications both because of their properties and because they come from renewable resources, despite having a higher ... -
Effect of the annealing procedure and the molecular weight on the crystalline phase morphology and thermal properties of polylactide
(2019-01-01)
Article
Restricted access - publisher's policyThe thermomechanical properties of poly(lactide) (PLA) are strongly related to its semicrystalline microstructure and morphology. Thermal annealing is a strategy to improve the crystallinity of PLA. However, the different ...
