Materials Literature
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This study describes a methodology to evaluate the sustainability of a bimetallic component putting emphasis on energy, material, and component efficiencies. Energy efficiency deals with the direct energy consumptions while manufacturing a bimetallic component. Material efficiency deals with the yield, lightweighting,…
Abstract Multiwalled carbon nanotubes (CNTs) functionalized by oxygen plasma were used as a support for platinum–ruthenium nanoparticles for electrochemical methanol oxidation. The influence of plasma treatment time on the electrocatalytic activity was investigated by cyclic voltammetry, CO stripping voltammetry, and…
BACKGROUND: Superparamagnetic iron oxide nanoparticles (MNP) offer several advantages for applications in biomedical and biotechnological research. In particular, MNP-based immobilization of enzymes allows high surface-to-volume ratio, good dispersibility, easy separation of enzymes from the reaction mixture, and reus…
Abstract The effect of rare earth elements on microstructure and mechanical properties of casting Al–Cu–X alloy (X = Mn, Ti, V, Cd, Zr) was investigated in as‐cast and T6 conditions. Microstructure evolution was characterized by optical microscopy, scanning electron microscopy, and transmission electron microscopy. RE…
Nonlinear dielectric effect (NDE) describes changes of dielectric permittivity induced by a strong electric field in a liquid dielectric. The most classical finding related to this magnitude is the negative sign of NDE in liquid diethyl ether (DEE), recalled by Peter Debye in his Nobel Prize lecture. This article show…
Decontamination of the radioactive cesium that is widely dispersed owing to a nuclear power station accident and concentrated in fly ash requires an effective elimination system. Radioactive fly ash contains large amounts of water-soluble cesium that can cause severe secondary contamination and represents a serious he…
Abstract The crystallographic orientation of structural elements in skeletons of representatives of Carboniferous Syringoporicae (Auloporida) has been analysed by scanning electron microscopy (SEM), petrographic microscopy and electron backscatter diffraction (EBSD) on specimens from the Iberian Peninsula. The skeleto…
The aim of this study is to fabricate a nanoparticle formulation of curcumin using a relatively new vehicle as the matrix polymer: poly(lactic-co-glycolic acid) (PLGA)- polyethylene glycol (PEG) diblock copolymer, and to investigate the effects of the various processing parameters on the characteristics of nanoparticl…
The effects of chemical composition of various wood species and resin type on the dimensional stability, mechanical properties, and formaldehyde emission of particleboard were investigated. Solubility’s of cold and hot water, NaOH, and alcohol - benzene, and amount of cellulose, α- cellulose, holocellulose, hemicellul…
A series of Pt(II) diimine complexes bearing benzothiazolylfluorenyl (BTZ-F8), diphenylaminofluorenyl (NPh2-F8), or naphthalimidylfluorenyl (NI-F8) motifs on the bipyridyl or acetylide ligands (Pt-4-Pt-8), (i.e., {4,4'-bis[7-R1-F8-(≡)n-]bpy}Pt(7-R2-F8- ≡ -)2, where F8 = 9,9'-di(2-ethylhexyl)fluorene, bpy = 2,2'-bipyri…
Al2O3–TiB2 composites were synthesized using high-energy ball milling from starting powders containing Al, TiO2, and B2O3. To explore the effect of the addition of another ductile metallic phase during milling, 15 wt.% Ni was added to a sample of the starting powders. The phase transformations and microstructure of th…
Ion-exchange membranes have been widely used in the separation of ionic mixtures or as a barrier in some types of chemical power source because of their selectivity to cations and anions. In this article, a novel single-ion selective ion-exchange membrane was fabricated to selectively separate copper ion from aqueous…
Indium zinc oxide (IZO) thin film transistors (TFTs) with poly(4-vinylphenol-co-methylmethacrylate) (PVP-co-PMMA) gate insulators were fabricated at a low temperature (250 °C). The bottom gate IZO TFTs with a PVP-co-PMMA gate electric film exhibited inferior device performance to the top gate IZO TFTs, which was attri…
Herein are reported the synthesis of a conjugate of chitosan with L-leucine, the preparation of nanoparticles from both chitosan and the conjugate for use in pulmonary drug delivery, and the in vitro evaluation of toxicity and inflammatory effects of both the polymers and their nanoparticles on the bronchial epithelia…
In this paper, the current–voltage (I–V) characteristics of Al/Rhodamine-101/p-Si/Al metal–semiconductor (MS) structures have been measured at temperatures ranging from 80 to 325 K. The nonpolymeric organic compound rhodamine-101 (Rh101) film on a p-type Si substrate has been formed by means of the evaporation process…
The interaction of CO2 with the porous metal–organic framework material MIL-53(Fe), FeIII(OH)0.8F0.2[O2C–C6H4–CO2] has been studied by complementary gas adsorption and high resolution powder X-ray diffraction as a function of gas pressure. It has been shown that CO2 adsorption occurs in three steps, with firstly the f…
Pluripotent human embryonic stem cells (hESCs) acquire mesenchymal characteristics during the epithelial-mesenchymal transition (EMT) process. Here, we report a simple and an efficient isolation method for mesenchymal stem cells (MSCs) from hESCs undergoing EMT using a commercialized porous membrane transwell culture…
Nanocrystalline Co and Co/nano-ZrO2 composite coatings were electrodeposited from cobalt sulphate based solutions. Deposition rate, morphology, microstructure, microhardness and corrosion behaviour of the produced coatings were investigated. The results indicated that optimum electrolyte temperature for the best combi…
The design for a new XUV-Optics Beamline is presented. The collimated plane grating monochromator (PGM-) beamline at a bending magnet is setup at the BESSY-II synchrotron radiation facility within the framework of the blazed-grating production facility. Coupled to a versatile four-circle (ten axes) UHV- reflectometer…
New micro three-dimensional (3D) scaffolds using biobased unsaturated polyesters (UPs) were prepared by microstereo-thermal-lithography (μSTLG). This advanced processing technique offers indubitable advantages over traditional printing methods. The accuracy and roughness of the 3D structures were evaluated by scanning…