División de Nanociencias y Materiales: Recent submissions
Now showing items 201-220 of 604
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Synthesis, characterization and perspectives of mesoporous silica-based nanoplatforms as drug delivery systems
(IEEE, 2018)"Mesoporous silica-based nanomaterials have been considered as potential carriers for drug delivery applications. Their main advantages are: i) tunable pore size, ii) high surface area, iii) functional surface chemistry ... -
A simple method for fabrication of antifuse WORM memories
(Elsevier, 2018)"A write-only-read-many (WORM) memory device was obtained by irradiating, with a commercial ultraviolet-ozone (UVO) lamp, the aluminium bottom electrode in an Al/AlOx-UVO/Al configuration. The formation of conductive paths ... -
Chemical stability of superhard rhenium diboride at oxygen and moisture ambient environmental conditions prepared by mechanical milling
(The American Ceramic Society, 2018)"In this study, rhenium diboride (ReB2) was obtained by mechanosynthesis at 640 minutes of milling. The obtained ReB2 was stored at oxygen and moisture ambient environmental conditions to know the chemical stability. The ... -
Transformation process dependent magnetocaloric properties of annealed Ni50Mn18Cu7Ga25 ribbons
(Elsevier, 2017)"The properties related to magnetocaloric effect (MCE) of annealed Ni50Mn18Cu7Ga25 ribbons were studied in connection with their microstructural features and magnetostructural transformations. The differences in magnetic ... -
Large reversible magnetic entropy change in rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons
(Elsevier, 2018)"The crystal structure, and magnetic and magnetocaloric properties of rapidly solidified Ni0.895Cr0.105MnGe1.05 melt-spun ribbons is reported. The ribbon samples crystallize into a single-phase hexagonal Ni2In-type structure ... -
Production of biodiesel from roasted chicken fat and methanol: free catalyst
(2014)"Transesterification reactions free of catalyst between roasted chicken fat with methanol were carried out in a batch reactor in order to produce biodiesel to temperatures from 120°C to 140°C. Parameters related to the ... -
Treatment of tequila vinasse and elimination of phenol by coagulation–flocculation process coupled with heterogeneous photocatalysis using titanium dioxide nanoparticles
(Taylor & Francis, 2018)"In this research, we are reporting the treatment of tequila vinasse by a coagulation–flocculation process coupled with heterogeneous photocatalysis using two types of titanium dioxide nanoparticles, i.e. (1) commercial ... -
Synthesis and magnetocaloric characterization of rapidly solidified ErMn2 melt-spun ribbons
(Elsevier, 2017)"We have fabricated melt-spun ribbons of nominal composition ErMn2 and studied their phase constitution and magnetocaloric (MC) properties by X-ray diffraction, scanning electron microscopy (SEM), magnetization and heat ... -
Modeling and optimization of a photocatalytic process: degradation of endocrine disruptor compounds by Ag/ZnO
(Elsevier, 2017)"Artificial neural network (ANN) modeling was applied to study the photocatalytic degradation of bisphenol-A. The operating conditions of the Ag/ZnO photocatalyst synthesis and its performance were simultaneously modeled ... -
Tuning the dedoping process of PEDOT:PSS films using DBU-solvent complexes
(Elsevier, 2018)"In this study, we report a successful simple technique to dedope pristine PEDOT:PSS films at room temperature by dipping the films into 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) mixes with different solvents such as dimethyl ... -
Growth of Ni nanoclusters on irradiated graphene: A molecular dynamics study
(Royal Society of Chemistry, 2018)"We studied the soft landing of Ni atoms on a previously damaged graphene sheet by means of molecular dynamics simulations. We found a monotonic decrease of the cluster frequency as a function of its size, but few big ... -
Study of the presence of spherical deformations on the Al top electrode due to electroforming in rewritable organic resistive memories
(Royal Society of Chemistry, 2017)"Physical deformations are observed at the top electrodes during the electroforming process in Al/PEDOT: PSS + nitrogen doped multiwalled carbon nanotube (N-MWCNTs)/Al rewritable resistive memory devices. These physical ... -
Comparison of two synthesis methods on the preparation of Fe, N-Co-doped TiO2 materials for degradation of pharmaceutical compounds under visible light
(Elsevier, 2017)"In this work, we report the synthesis, characterization and photocatalytic evaluation of visible light active iron-nitrogen co-doped titanium dioxide (Fe3+-TiO2?xNx) nanostructured catalyst. Fe3+-TiO2?xNx was synthesized ... -
A rapid method for interfacial tension calculation between rock plug and crude oil based on contact angles, application for EOR
(Taylor & Francis, 2018)"Interfacial tension and contact angle are two specific important parameters to take decisions for enhanced oil recovery, for instance, proper chemicals to use for surface tension reduction, expected wettability of solids, ... -
Flexible rewritable organic memory devices using nitrogen-doped CNTs/PEDOT:PSS composites
(Elsevier, 2017)"Nonvolatile rewritable organic memory devices based on poly(3,4-ethylene dioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and nitrogen doped multi-walled carbon nanotube (NCNT) nanocomposites were fabricated on glass ... -
Robust fringe pattern analysis method for transient phenomena
(Elsevier, 2018)"We propose a method for analysing a sequence of noisy interferograms with closed fringes acquired at a high–speed frame rate. Our method is appropriate for analysing ESPI sequences of transient phenomena such as deformations ... -
Stabilisation of small mono- and bimetallic gold–silver nanoparticles using calix[8]arene derivatives
(Royal Society of Chemistry, 2018)"In this paper, we report the synthesis of octa(hydroxy)-octa(mercaptobutoxy)calix[8]arene and its use as a stabiliser of nanoparticles (NPs). We show that the reduction of gold and/or silver ions in the presence of this ... -
Viscosity and normal stress forces of Lennard-Jones chains using reverse non-equilibrium molecular dynamics
(Taylor & Francis, 2017)"Reverse non-equilibrium molecular dynamics was applied for the calculation of the viscosity for different chain lengths. Each chain consisted of m tangent spherical sites, where m was 1, 2, 4, 8 or 16, respectively. From ... -
Shape-anisotropic nickel-PDMS composites with uniaxial magnetic anisotropy obtained by emulsification under magnetic field
(Springer, 2017)"Magnetic microcomposites were fabricated by emulsification of a mixture of polydimethylsiloxane (PDMS) and nickel microparticles. The composites were obtained in a temperature-controlled water-surfactant media with and ... -
Surface modification of TiO2 with Ag nanoparticles and CuO nanoclusters for application in photocatalysis
(American Chemical Society, 2016)"Ag and CuO nanoparticles (NPs) synthesized on the surface of commercial TiO2 (P25) by radiolytic reduction were characterized by diffuse reflectance spectroscopy (DRS), transmission electron microscopy (TEM), high-angle ...