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Oxygen transport through methacrylate-based hydrogels with potential biological capability
Elsevier (1996)The permeability to oxygen of hydrogels prepared from copolymers of 2-hydroxymethyl methacrylate and p-methacryloxyl-oxyacetanilide have been studied by using an oxygen electrode in combination with a permeometer. The ... -
Mechanical relaxations and diffusive changes in linear low density polyethylene (LLDPE) films subject to induced stretching
Wiley (1996)An analysis of the diffusion of oxygen and carbon dioxide through linear low density polyethylene (LLDPE) subjected to longitudinal and transversal induced stretching in the ratio 2:1, is presented in this paper. The ... -
Effect of annealing on the permeation characteristics of gases of coextruded LLDPE films
Elsevier (1996)The temperature dependence of both the permeability and diffusion coefficients of carbon dioxide, oxygen and nitrogen in annealed LLDPE films are studied. It is found that the values of the permeability coefficient through ... -
Electrokinetic phenomena in microporous membranes with a fixed transverse charge distribution
Elsevier (1996-05)The charged capillary model for microporous membranes has been extended to account for a distribution of fixed charge transversal to the pore wall. The non-linearized Poisson-Boltzmann equation has been solved numerically ... -
Introducció a l'experimentació
Publicacions de la Universitat Jaume I (1999)Normalment les coses que s'aprenen en el laboratori requereixen el guiatge d'experts. Aquest llibre presenta una visió sumària i actualitzada dels procediments bàsics de l'experimentació cientificotècnica: assenyala i ... -
Transport of Water and Gases through EVA/PVC blend films – Permeation and DSC investigations.
Elsevier (2004-06)The transport of water vapor and gases (oxygen and carbon dioxide) through poly(ethylene-co-vinyl acetate) (EVA) films of different VA content, poly(vinylchloride) (PVC) and EVA/PVC blend films, was analysed from permeation ... -
Unified approach to describe optical pulse generation by propagation of periodically phase-modulated CW laser light
Optical Society of America (2006)The analysis of optical pulse generation by phase modulation of narrowband continuous-wave light, and subsequent propagation through a group-delay-dispersion circuit, is usually performed in terms of the socalled bunching ... -
Interplay of host volume variations and internal distortions in the course of intercalation into disordered matrices
(2007)Based on a combination of the distortive lattice gas model and the maximum information entropy approach, the thermodynamics of insertion into disordered hosts is analyzed. It is found that the isotherm specificities can ... -
In situ investigation of dewaxing and sintering of stainless steel powder compacts by impulse excitation
Elsevier (2008)The dewaxing and sintering behaviour of 316LHD (high-density) powder metallurgy stainless steel grade have been in situ characterized by means of the high-temperature impulse excitation technique. The evolution of the E ... -
Efficient blue emitting organic light emitting diodes based on fluorescent solution processable cyclic phosphazenes
Elsevier (2008)Solution processable blue fluorescent dendrimers based on cyclic phosphazene (CP) cores incorporating amino-pyrene moieties have been prepared and used as emissive layers in organic light emitting diodes (OLEDs). These ... -
The ionic selectivity of large protein ion channels
Institut d'Estudis Catalans. Secció de Ciències i Tecnologia (2008)Large, highly conductive ion channels have a major functional role in the cell life cycle. They allow the exchange of charged and neutral solutes across the cell membrane envelope and regulate the influx of nutrients ... -
Synthetic aperture single-exposure on-axis digital holography
Optical Society of America (2008)We present a system for reconstructing single-exposure on-line (SEOL) digital holograms with improved resolution using a synthetic aperture. Several recordings are made in order to compose the synthetic aperture, shifting ... -
Rectification properties and pH-dependent selectivity of meningococcal class 1 porin
(2008)We studied the current rectification properties and selectivity of class 1 porin (PorA) from Neisseria meningitidis (strain H44/76 A3A4) reconstituted in planar lipid membranes varying salt concentrations and pH. PorA ... -
Interpretation of electron diffusion coefficient in organic and inorganic semiconductors with broad distributions of states
Royal Society of Chemistry (2008)The carrier transport properties in nanocrystalline semiconductors and organic materials play a key role for modern organic/inorganic devices such as dye-sensitized (DSC) and organic solar cells, organic and hybrid ... -
Inverted Solution Processable OLEDs Using a Metal Oxide as an Electron Injection Contact
Wiley-Blackwell (2008)A new type of bottom-emission electroluminescent device is described in which a metal oxide is used as the electron-injecting contact. The preparation of such a device is simple. It consists of the deposition of a thin ... -
Capacitance, spectroelectrochemistry and conductivity of polarons and bipolarons in a polydicarbazole based conducting polymer
Elsevier (2008)The paper discusses the interpretation of electrochemical and spectroelectrochemical measurement of charging and transport of electronic species in conducting polymers, as a function of the polymer potential. The charging ... -
Porosity dependence of electron percolation in nanoporus TiO2 layers
American Institute of Physics (2008)The electron diffusion coefficient at varying porosity has been determined in a series of nanostructured TiO2 films of different initial thicknesses. The porosity was changed by applying different pressures prior to ... -
Electrodeposition and impedance spectroscopy characterization of ZnO nanowire arrays
Wiley-Blackwell (2008)An overview of the electrodeposition of ZnO nanowire arrays from the reduction of dissolved molecular oxygen in zinc chloride solutions was reported. In spite of the internal structure of ZnO which favours the anisotropic ... -
Injection and Recombination in Dye-Sensitized Solar Cells with a Broadband Absorbance Metal-Free Sensitizer Based on Oligothienylvinylene
American Chemical Society (2008)A new metal-free sensitizer for improved light harvesting with dye-sensitized solar cells (DSC) has been synthesized and fully characterized. The molecular sensitizer was engineered by linking the tiophenes groups by methine ... -
Recombination rates in heterojunction silicon solar cells analyzed by impedance spectroscopy at forward bias and under illumination
Elsevier (2008)Impedance spectroscopy (at forward bias and under illumination) of solar cells comprised thin hydrogenated amorphous silicon (a-Si:H) films deposited on crystalline silicon (c-Si) wafers was analyzed in terms of ac equivalent ...