Materials Literature
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Stainless steels can be used in solid oxide fuel/electrolysis stacks as interconnects. For successful long term operation they require protective coatings, that lower the corrosion rate and block chemical reactions between the interconnect and adjacent layers of the oxygen or the hydrogen electrode. One of the promisi…
The present study aimed to develop sericin-added bread in an effort to promote the effective consumption of the silk protein sericin and to evaluate bread-baking performance with sericin addition, with respect to effects on bread structure and palatability. Sericin supplementation resulted in decreased specific volume…
The superb physical properties of graphene make it a material with great potential for sensing applications, including chemical sensors, Hall sensors and pressure sensors. However, its availability on large area substrates and the development of a scalable manufacturing process need to be addressed. In this work we pr…
Cynanchum wilfordii is one of most widely used medicinal plants in Oriental medicine for the treatment of various conditions. In the present study, we isolated cynandione A (CA) from an extract of Cynanchum wilfordii roots (CWE) and investigated the effects of CA on the expression of inducible nitric oxide synthase (i…
The change in impedance values as a function of potential indicated the transformation of Mg from its passive to active state.
The Kedem−Katchalsky equations in matrix version for homogeneous and nonhomogeneous solutions were applied for the interpretation of membrane transport. Coefficients L*ij (for unstirred solutions), Lij (for mechanically stirred solutions) (i ≠ j = 1, 2), and L*ij/Lij were calculated, on the basis of experimentally det…
Data for water adsorption on epitaxial graphene grown on Ru(0001) at ultra-high vacuum (clean conditions) are discussed. Accordingly, water adsorption was not affected by the support. The interaction is not strictly hydrophobic. We propose simple rules based on ultra-high vacuum kinetics to classify the water-graphene…
The effect of nanometric magnesium and aluminum hydroxides on the flame retardancy of high density polyethylene was studied. Additionally, the effect of maleic anhydride grafted polyethylene (PEgMA) and methyl acrylate grafted polyethylene (EMA) compatibilizers, on the tensile properties, was also studied. Morphologic…
Methanol synthesis is one of the landmarks of heterogeneous catalysis due to the great industrial significance of methanol as a clean liquid fuel and as a raw material for industry. Understanding in atomistic detail the properties of the underlying metal/oxide catalyst materials as a function of temperature and compos…
This study proposes a facile, practical and effective approach to prepare high-performance graphene oxide (GO)/soluble polyimide (SPI) composite films through a dissolved and dispersed strategy.
[Ni(medpt)(NO <sub>2</sub> )(η <sup>2</sup> -ONO)] displays an equilibrium between the η <sup>1</sup> -NO <sub>2</sub> and the η <sup>1</sup> -ONO linkage isomers between 150–298 K; upon photoactivation at 100 K the percentage of the η <sup>1</sup> -ONO isomer increases.
The thermodynamic stability of Th-doped yttrium iron garnet (Y <sub>3</sub> Fe <sub>5</sub> O <sub>12</sub> , YIG) as a possible actinide-bearing material has been investigated using calorimetric measurements and first-principles electronic-structure calculations.
The oxidative corrosion of single-walled carbon nanotubes (SWCNTs) was investigated, and the diagram of oxidative corrosion potential vs. pH was obtained. The results will contribute to fundamental understanding of oxidative corrosion reactions on sp2 type carbons.
Molecular Dynamics simulations were performed for the Gay-Berne discotic fluid parameterized by GB(0.345, 0.2, 1.0, 2.0). The volumetric phase diagram exhibits isotropic (IL), nematic (ND), and two columnar phases characterized by radial distribution functions: the transversal fluid structure varies between a hexagona…
The effects of the properties of casting solution on the surface structure of poly(methyl methacrylate) (PMMA) films were systematically investigated. It was observed that the hydrophobicity of PMMA films increased with increasing viscosity of the corresponding polymer solution regardless of the film-formation techniq…
Ni(III)(OETPP˙)(Br)2 is the first Ni(III) porphyrin radical cation with structural and (1)H and (13)C paramagnetic NMR data for porphyrinate systems. Associating EPR and NMR analyses with DFT calculations as a new model is capable of clearly determining the dominant state from two controversial spin distributions in t…
Organic crystals: kinetic control of dynamic covalent bond formation is now possible through quaternary ammonium bridged crystalline network polymers.
Cu(I)-mediated annulation reaction of a 1,1'-(1,3-butadiyne)-8,8'-(2,5-thiophene)-bridged carbazole dimer 10 with amines provided the N-substituted carbazole-based isophlorines 11a-11c. A similar annulation reaction with selenium in the presence of hydrazine monohydrate afforded hetero-core-modified isophlorine 12. Th…
Phase diagram of PLA/PEG determined from rheology and DSC data.
Glutathione peroxidase (GPx) protects cells from oxidative damage by scavenging surplus reactive oxygen species (ROS). Commonly, an appropriate amount of ROS acts as a signal molecule in the metabolism. A smart artificial GPx exhibits adjustable catalytic activity, which can potentially reduce the amount of ROS to an…