Exploració per tema "Nanofibres"
Ara es mostren els items 1-20 de 55
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A facile and green method to hydrophobize films of cellulose nanofibrils and silica by laccase-mediated coupling of nonpolar colloidal particles
(2014-10-01)
Article
Accés restringit per política de l'editorialHydrophobic particles based on dodecyl 3,4,5-trihydroxybenzoate (LG) were coupled onto the surface of cellulose nanofibrils (CNFs) and silica by treatment with a multicomponent colloidal system (MCS) derived from the ... -
A study on hybrid nanofiber and lanolin structures
(Universitat Politècnica de Catalunya, 2022-07-13)
Treball Final de Grau
Accés obertThe scientific and medical communities are showing a growing interest in tissue engineering as a means to solve issues regarding donor tissues, wound healing and drug delivery systems. Nanofibers are gaining quite a lot ... -
Advanced electrospun scaffolds based on biodegradable polylactide and poly(butylene succinate) for controlled drug delivery and tissue engineering
(Universitat Politècnica de Catalunya, 2014-11-14)
Tesi
Accés obertElectrospinning is a manufacturing process that uses an electric field to produce fibers from a polymer solution. The accumulation of these fibers conform a three-dimensional fiber matrix or scaffold. Fibers can be prepared ... -
Amino acid-based poly(ester amide) nanofibers for tailored enzymatic degradation prepared by miniemulsion-electrospinning
(2015-01-01)
Article
Accés obertNovel 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 ... -
Andamios temporales basados en mezclas de poliláctico-polibiguanida: material con actividad antibacteriana
(Universitat Politècnica de Catalunya, 2013-03)
Projecte/Treball Final de Carrera
Accés obertEn este estudio se ha producido mediante la técnica de electrospinning o electrohilado microfibras a partir de disoluciones de la mezcla del polímero poliláctico (PLA), y de la polibiguanida (PHMB). El interés por obtener ... -
Andamios temporales con actividad inhibitoria de la ciclo-oxigenasa (COX)
(Universitat Politècnica de Catalunya, 2014-06-11)
Treball Final de Grau
Accés obertEn aquest projecte s’han estudiat les nanofibres de polibutilè succinat (polièster alifàtic biodegradable) carregades amb Indometacina, un fàrmac antiinflamatori inhibidor de l’enzima ciclo-oxigenasa (COX), a diferents ... -
Antibacterial hydrogelsderived from poly(¿-glutamic acid) nanofibers
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-14)
Article
Accés obertBiocompatible hydrogels with antibacterial properties derived from ¿-polyglutamic acid (¿-PGA) were prepared from bulk and electrospun nanofibers. The antibacterial drugs loaded in these hydrogels were triclosan (TCS), ... -
Atmospheric pressure plasma liquid assisted deposition of polydopamine/acrylate copolymer on zirconia (Y-TZP) ceramics: a biocompatible and adherent nanofilm
(Royal Society of Chemistry (RSC), 2021-05-11)
Article
Accés obertPolydopamine–ethylene glycol dimethacrylate copolymer is a biocompatible coating with cell adhesion promotion and antibiofilm properties. This copolymer has been successfully applied on metallic implants, such as stainless ... -
Boron/nitrogen flame retardant additives cross-linked cellulose nanofibril/montmorillonite aerogels towards super low flammability and improved mechanical properties
(2019-04-07)
Article
Accés obertLow-flammability freeze-dried cellulose nanofibril (CNF)/sodium montmorillonite (MMT) aerogels with improved mechanical properties were fabricated via a facile cross-linking of boric acid (BA) and melamine-formaldehyde ... -
Cigarette butts as a microfiber source with a microplastic level of concern
(Elsevier, 2021-03)
Article
Accés obertMicroplastic pollution is a growing environmental concern among the scientific community. These small particles (<5 mm) might come from the fragmentation or direct emission of artificial and synthetic polymers. Among them, ... -
Cigarette butts as a source of microfibers to the environment
(Springer Nature, 2020-04-24)
Capítol de llibre
Accés restringit per política de l'editorialSeveral clean-up campaigns have reported that cigarette butts (CB for now on) are the largest item littered worldwide [1]. In 2007, the annual global consumption of cigarettes ascended to 6 trillion, [2, 3, 4] from where ... -
Comportamiento PTC en composites de nanofibras de carbono obtenidos mediante tecnologia tape casting
(Universitat Politècnica de Catalunya, 2012-02)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorLa idea original de este proyecto surge del departamento de investigación y desarrollo de la empresa Francisco Albero S.A.U., de aquí en adelante FAE, la cual con una antigüedad de más de 50 años, es especialista en el ... -
Desarrollado de un biomaterial para la generación de la piel: Fibras de gelatina electrospineadas con nanoparticulas incorporadas
(Universitat Politècnica de Catalunya, 2014-02)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorHoy en día, el mercado de los apósitos forma una parte importante del mundo paramédico. La demanda de un apósito cada vez más competente crece cada día. Para contestar a esta solicitud, laboratorios invierten en las ... -
Desarrollo y caracterización de un andamio hecho con un copolímero ácido poli-L/DL-láctico (PLDL) para ayudar a la regeneración de vasos sanguíneos
(Universitat Politècnica de Catalunya, 2015-02)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorEl presente proyecto comprende el estudio realizado sobre un andamio poroso construido a partir de un biomaterial sintético, biodegradable y reabsorbible: el copolímero ácido poli-L/DL-láctico (PLDL). Este andamio se crea ... -
Development of electrospun fibers for drug delivery
(Universitat Politècnica de Catalunya, 2023-09-04)
Treball Final de Grau
Accés obert
Realitzat a/amb: Universidade de LisboaNowadays, 1-2% of people over 60 years old are diagnosed with Parkinson’s disease (PD), a neurological progressive disease that affects mobility and cognition function. The cause is still unknown but is related to the lack ... -
Differential activity of lytic polysaccharide monooxygenases on celluloses of different crystallinity. Effectiveness in the sustainable production of cellulose nanofibrils
(2019-03-01)
Article
Accés obertA series of cellulosic substrates has been produced, treated with lytic polysaccharide monooxygenase (LPMO) from Streptomyces ambofaciens (SamLPMO10C), and analyzed by high performance anion exchange chromatography (HPAEC) ... -
Diffusional approach on electrospun PLLA membranes for caffeine delivery
(Book publisher international, 2021-05-07)
Capítol de llibre
Accés restringit per política de l'editorialOne of the great advantages of electrospun fibers is the large tridimensional area produced, capable of storing any type of material. The aim of our investigation is to study the electrospinning technique to produce polymer ... -
Drug release from electrospun poly(lactic acid) membranes and their cell viability in vitro test
(2012-01-11)
Article
Accés obert -
Electrohilado de fibras coaxiales constituidas por polibutilenosuccinato (PBS, Bionolle) y polietilenglicol (PEG). Funcionalización mediante carga de drogas
(Universitat Politècnica de Catalunya, 2013-09)
Projecte/Treball Final de Carrera
Accés obertEn este proyecto se ha realizado un estudio de la preparación de micro y nanofibras de dos biopolímeros, Bionolle® (PBS) y polietilenglicol (PEG) de hidrofilidad diferente. Las fibras se obtuvieron mediante la técnica de ... -
Evaluation of durability to wet/dry cycling of cement mortar composites reinforced with nanofibrillated cellulose
(Woodhead Publishing Limited, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, the evaluation of the durability to wet/dry cycling exposure of cement composites reinforced with nanofibrillated cellulose comparing the results with composites reinforced with conventional cellulose fibres ...