Materials Literature
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The coherent excitations of DNA hydration water at 100 K have been investigated by neutron scattering spectroscopy to extract the excess signal of D₂O-hydrated DNA with respect to dry DNA samples. A structural characterization of the sample, through the analysis of the static structure factor, has suggested that DNA h…
Este trabajo se fundamenta en el estudio de la fabricacion de estructuras sub-micrometricas mediante la tecnica Litografia por Interferencia Laser (LIL). En este trabajo se utilizan dos tecnicas de fabricacion. En la primera, el patron de interferencia se transfiere a la resina y posteriormente mediante procesos adici…
Additives which alter surface tension can greatly enhance the performance of waterborne coatings. Additive manufacturers promote three major classes of surface tension modifiers, surfactants, silicones, and acetylenic diols. Some of these are based on “green” technology and thus friendly to the environment in addition…
Functional coatings are the next generation technology being engineered to reduce costs in maritime transport containers. Cargo containers ship different products that require cleaning between shipments, which takes time and energy. A lipase enhanced tank liner coating was engineered to reduce the cleaning time betwee…
In this work, a homogenization strategy for a micromorphic–type inelastic material is presented. In the spirit of FE2, a representative volume element is attached to each macroscopic quadrature point. Due to the inherent length scale of the micromorphic continuum, size effects for inelastic behavior are obtained on RVE…
12th International Conference on Computational Plasticity: Fundamentals and Applications, COMPLAS 2013, 3 September 2013 through 5 September 2013, Barcelona
La vitamine B6 est d'une importance primordiale dans tous les organismes et agit, sous la forme de phosphate de pyridoxal (PPL), comme cofacteur pour de nombreuses enzymes métaboliques. La principale voie menant à la biosynthèse de la vitamine B6 fut récemment étudiée et implique deux enzymes, PDX1 et PDX2 pour la pro…
As petroleum resources are finite, it is imperative to use them wisely in energy conversion applications and, at the same time, develop alternative energy sources. Biomass is one of the renewable energy sources that can be used to partially replace fossil fuels. Biomass-based fuels can be produced domestically and can…
Electrophoretic deposition has emerged as a versatile and precisely tunable approach for the rapid deposition of conformal thin films of colloidal nanocrystals. The electrophoretic deposition of phosphor particles has assumed special significance in recent years as a commercially viable means toward the fabrication of…
The efficacy of stripping solvents is based on inducing cohesive and adhesive failure in coatings via swelling and bond breakage. In this study, the performance of stripping solvents methylene chloride (CH2Cl2) and methylene chloride-phenol (CH2Cl2-Ph, 19:1 blend) on a cured epoxy-amine coating was evaluated by examin…
A 2+1 dimensional PDE traveling wave model describing spatial-lateral dynamics of edge-emitting broad area semiconductor devices is considered. A numerical scheme based on a split-step Fourier method is presented and implemented on a parallel compute cluster. Simulations of the model equations are used for optimizing…
The prediction of ductile fracture occurrence in hot forging processes is one of the main industrial issues, which needs damage models that have to be on one hand accurate and easily calibrated, but also easy enough to be industrially implemented an utilized. Tensile testing formability characterization, although expe…
Evaporation induced self-assembly is an established method for producing close-packed two-dimensional sphere masks on hydrophilic surfaces such as glass. In sphere lithography, gold or silver is deposited over sphere masks to generate a film-over-nanospheres or a nanoprism array that can be used as a sensing surface i…
International audience
Fatigue is the one of the main contributors to problems related to structural safety of civil and marine structures. Life-cycle management (LCM) techniques considering various uncertainties can be used to predict the safe service life of fatigue sensitive structures, plan for their future inspections and support the d…
Self-assembled gold (Au) nanoparticles (NPs) were synthesized in micelle surface cavities of a L121 block polymer in the presence of zwitterionic (viz. DPS, TPS, and HPS) and sugar surfactants (OG and DDM) in aqueous phase at 70 °C by using the surface cavities of L121 as reducing sites for converting Au(III) into Au(…
Remarkably little is known about metal-to-ligand charge transfer (MLCT) excited-state relaxation pathways for the ruthenium polypyridyl compounds commonly utilized in dye-sensitized solar cells. Herein, we report variable-temperature photoluminescence studies of compounds of the general type cis-Ru(LL)(2)(X)(2), where…
The H/D exchange process in the imidazolium-based room temperature ionic liquids (RTILs) 1-decyl-3-methyl-imidazolium bromide- and chloride ([C₁₀mim][Br] and [C₁₀mim][Cl]) in D₂O solutions of various concentrations was studied applying ¹H, ¹³C NMR, and Raman spectroscopy. The time dependencies of integral intensities…
A series of surface-modified expanded poly(tetrafluoroethylene) membranes showed varied levels of in vitro macrophage proinflammatory response. Membranes containing a mixture of phosphate and hydroxyl groups (as determined by X-ray photoelectron spectroscopy analysis) stimulate greater macrophage activation than sampl…
Self-assembly of amyloid nanofiber is associated with functional and pathological processes such as in neurodegenerative diseases. Despite intensive studies, stochastic nature of the process has made it difficult to elucidate molecular mechanisms for the key amyloid nucleation. Here, we investigated the amyloid nuclea…