Browsing by Subject "Biopolymers"
Now showing items 1-20 of 99
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Aerogeles compuestos multicapa a partir de biopolimeros y arcilla
(2019-10-15)
Article
Open AccessEn este trabajo se han desarrollado diferentes aerogeles con baja flamabilidad basados en la combinación de biopolimeros renovables y montmorillonta (MMT). Los compuestos fueron hechos usando agua como solvente y siguiendo ... -
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 ... -
An investigation on the effect of pressure and temperature on microcellular foams of Poly(lactic) acid (PLA)/Acrylonitrile-Butadiene-Styrene (ABS) binary blends
(Springer, 2020-05-30)
Part of book or chapter of book
Restricted access - publisher's policyReducing the weight of petrol-derived plastics is a common way to decrease the environmental impact of several products. Another option consist in using biopolymers instead. However, most of the times, the complete ... -
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 ... -
Antibacterial polyurethane foams with incorporated lignin-capped silver nanoparticles for chronic wound treatment
(2020-02-26)
Article
Restricted access - publisher's policyLignin-capped silver nanoparticles were incorporated in situ into polyurethane foams during their polymerization to obtain multifunctional materials suitable for chronic wound dressing. Lignin with increased phenolic ... -
Antimicrobial PHAs coatings for solid and porous tantalum implants
(2019-10-01)
Article
Restricted access - publisher's policyBiomaterial-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 ... -
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 ... -
Beta-cyclodextrines in textile industry
(2020-09-02)
Part of book or chapter of book
Open Accessß-Cyclodextrin (ß-CD) is an oligosaccharide composed of seven units of D-(+)-glucopyranose joined by a- 1,4 bonds, which is obtained from starch. Its singular trunk conical shape organization, with a well-defined cavity, ... -
Bioactive edible films based on arrowroot starch incorporated with cranberry powder: microstructure, thermal properties, ascorbic acid content and sensory analysis
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-11)
Article
Open AccessThe growing global awareness about environmental preservation has stimulated the search for alternatives to replace conventional plastics made from fossil sources. One of the advantages is using polymers from renewable ... -
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 ... -
Biphasic polylactide/polyamide 6,10 blends: Influence of composition on polyamide structure and polyester crystallization
(Elsevier, 2020-08-12)
Article
Restricted access - publisher's policyBlends 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 ... -
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 ...
