Exploració per tema "Colloids"
Ara es mostren els items 1-20 de 48
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3D printed hydrogel-based scaffolds for tissue regeneration
(Universitat Politècnica de Catalunya, 2019-07-08)
Projecte Final de Màster Oficial
Accés obertTissue engineering is an emerging technology whose efforts are aimed towards repairing and regenerating injured tissues by developing bioactive scaffolds. Recently, scaffolds made of hydrogels have become interesting ... -
Advanced functional hydrogel biomaterials based on dynamic B-O bonds and polysaccharide building blocks
(2020-10-12)
Article
Accés obertDynamic covalent chemistry applied to polymers has attracted significant attention over the past decade. Within this area, this review highlights the recent research on polysaccharide-based hydrogels cross-linked by boronic ... -
AFM in peak force mode applied to worn siloxane-hydrogel contact lenses
(2015-02-01)
Article
Accés obert -
Analytic model for the ballistic adsorption of polydisperse mixtures
(1999-05)
Article
Accés obertWe study the ballistic adsorption of a polydisperse mixture of spheres onto a line. Within a mean-field approximation, the problem can be analytically solved by means of a kinetic equation for the gap distribution. In the ... -
Aromatic ionene topology and counterion-tuned gelation of acidic aqueous solutions
(2017-04-28)
Article
Accés obertUnusual gelation of acidic solutions was achieved using polycations bearing quaternary ammonium moieties. These ionene polymers are based on a disubstituted phenylene dibenzamide core, which allows the construction of ... -
BSA- and elastin-coated GO, but not collagen-coated GO, enhance the biological performance of alginate hydrogels
(2020-06-11)
Article
Accés obertThe use of embedded cells within alginate matrices is a developing technique with great clinical applications in cell-based therapies. However, one feature that needs additional investigation is the improvement of ... -
Cambios en las superficies de las lentes de contacto de hidrogel de silicona con el uso
(Universitat Politècnica de Catalunya, 2012-06-26)
Projecte Final de Màster Oficial
Accés obert -
Characterization of encapsulated porcine cardiosphere-derived cells embedded in 3D alginate matrices
(2021-04)
Article
Accés obertMyocardial infarction is caused by an interruption of coronary blood flow, leading to one of the main death causes worldwide. Current therapeutic approaches are palliative and not able to solve the loss of cardiac tissue. ... -
Compositionally tuned Ni x Sn alloys as anode materials for lithium-ion and sodium-ion batteries with a high pseudocapacitive contribution
(2019-05-01)
Article
Accés obertNickel tin alloy nanoparticles (NPs) with tuned composition NixSn (0.6¿=¿x¿=¿1.9) were synthesized by a solution-based procedure and used as anode materials for Li-ion batteries (LIBs) and Na-ion batteries (SIBs). Among ... -
Co–Sn nanocrystalline solid solutions as anode materials in lithium-ion batteries with high pseudocapacitive contribution
(2019-04-05)
Article
Accés obertCo–Sn solid-solution nanoparticles with Sn crystal structure and tuned metal ratios were synthesized by a facile one pot solution-based procedure involving the initial reduction of a Sn precursor followed by incorporation ... -
Deposition of stable silver nanoparticles encapsulated in solid nanospheres from poly (vinyl)-pyrrolidone/Ag stable colloids
(2007-07)
Text en actes de congrés
Accés obertEs comunica un mètode de deposició de nanopartícules de Plata a partir de solucions coloïdals -
Development of a bioink for 3D bioprinting for the development of 3D constructs for biomedical applications
(Universitat Politècnica de Catalunya, 2019-05-20)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe fabrication of 3D constructs using 3D bioprinting techniques aims to overcome some of the weakness curently experienced by the conventional ... -
Development of an alginate-based hydrogel loaded with multifuncional gold nanoparticles for regenerative therapies
(Universitat Politècnica de Catalunya, 2019-02-28)
Projecte Final de Màster Oficial
Accés obertThe aim of this project was to develop a multifunctional alginate-based hydrogel modified with peptide-functionalized gold nanoparticles (AuNPs). Hydrogels are versatile materials, commonly used in tissue engineering due ... -
Effect of functionalized PHEMA micro- and nano-particles on the viscoelastic properties of fibrin-agarose biomaterials
(2018-03-01)
Article
Accés obertTwo types of PHEMA-based particles, exhibiting either carboxyl or tertiary ammine functional groups, were incorporated to fibrin-agarose (FA) hydrogels, and the effect of the addition of these synthetic particles on the ... -
Effect of the hydration on the biomechanical properties in a fibrin-agarose tissue-like model
(2014-08-01)
Article
Accés obertThe effect of hydration on the biomechanical properties of fibrin and fibrin-agarose (FA) tissue-like hydrogels is reported. Native hydrogels with approximately 99.5% of water content and hydrogels with water content reduced ... -
Electrophoresis and stability of nano-colloids: History, theory and experimental examples
(2014-09-01)
Article
Accés restringit per política de l'editorialThe paper contains an extended historical overview of research activities focused on determining interfacial potential and charge of dispersed particles from electrophoretic and coagulation dynamic measurements. Particular ... -
Enzyme-assisted formation of hybrid biopolymer hydrogels incorporating active phenolic nanospheres
(2015-02-01)
Article
Accés restringit per política de l'editorialThis work is about the synthesis of hybrid nanocomposite hydrogels comprising a thiolated chitosan platform that incorporates epigallocatechin gallate nanospheres as active polyphenolic agents for wound healing applications. ... -
Estudio de la biocompatibilidad in vitro de polimeros metacrílicos derivados de pirrolidona-ina
(2007)
Article
Accés obertEste estudio analiza la biocompatibilidad de nuevos biomateriales a base de hidrogeles metacrílicos como el poli-[metacrilato de 2-etil-(2-pirrolidona)] (PEPM) y la poli-[metacrilato de 2-etil-(2-pirrolidina)], en comparación ... -
Flexible Electrodes for Supercapacitors Based on the Supramolecular Assembly of Biohydrogel and Conducting Polymer
(2018-01-18)
Article
Accés obertFlexible and lightweight electrodes were prepared using a two-step process. First, poly(3,4-ethylenedioxythiophene) (PEDOT) microparticles were loaded into poly-y-glutamic acid (y-PGA) hydrogel matrix during the reaction ... -
From Au(i) organometallic hydrogels to well-defined Au(0) nanoparticles
(Royal Society of Chemistry, 2013)
Article
Accés restringit per política de l'editorialThe reaction of water soluble phosphine 3,7-diacetyl-1,3,7-triaza-5- phosphabicyclo[3.3.1]nonane (DAPTA) with [Au(CC-C5H 4N)]n yields a luminescent water soluble phosphine gold(i) alkynyl complex [Au(4-pyridylethynyl)(DAPTA)] ...