Materials Literature
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Plants and plant-derived products are part of the healthcare system since ancient human civilization. Herbal medicines have been used for many years. The present study was carried out to evaluate the effect of ethanolic extract of Tabernaemontana coronaria in renal oxidative damage induced by mercuric chloride (HgCl2)…
Measurements of magnetization, electrical resistivity and high field X-ray powder diffraction (XRD) were carried out for polycrystalline Mn1.8Co0.2Sb in magnetic fields up to 5 T in 4.2-300 K temperature range, in order to investigate the structural properties affected by magnetic fields. In a zero field, the compound…
In the oscillating wear test under engine oil containing Mo-DTC (Molybdenum Dithio-Carbamate), friction coefficient and wear volume of cylinder-specimen were lower than without Mo-DTC, in contrast, DLC (Diamond-Like Carbon) film was worn deeply. A residue of oil contained amorphous carbon that had higher proportion of…
The diatom flora of the shallow lakes in the Pantanal of Nhecolândia is poorly known. Thus, our aim was to know the diatom biodiversity in three types of shallow lakes called “baías, salitradas and salinas”, characterized by differences in pH, electrical conductivity, contact with the coalescent system and the presenc…
Research Article| January 01, 2012 Industrial X-ray Diffraction Analysis of Building Materials Roger Meier; Roger Meier PANalytical, Lelyweg 1, PO Box 13, 7600 AA Almelo, The Netherlands, e-mail: roger.meier@flsmidth.com Search for other works by this author on: GSW Google Scholar Jennifer Anderson; Jennifer Anderson…
The synthesis, photophysical characterization and energy-transfer features of a series of hybrid truxene derivatives peripherally decorated with inorganic Os-containing polypyridine units and organic Bodipy dyes are reported. The photoactive terminal units are coupled to the central truxene scaffold by rigid ethynyl l…
Dye molecules with pyridyl side substituents (porphyrins and heterocyclic perylene diimides) coordinatively attached to semiconductor CdSe/ZnS quantum dots (QDs) surface form quasi-stable "QD-Dye" nanocomposites of various geometry in the competition with capping molecules (tri-n-octyl phosphine oxide or long chain am…
Solution-based self-assembly of quasi-one-dimensional semiconductor nanostructures (nanowires) from quasi-zero-dimensional (quantum dots) colloidal nanocrystal building blocks has proven itself as a powerful and flexible preparation technique. Polycrystalline CdTe nanowires self-assembled from light-emitting thiol-cap…
Continuum Solid Mechanics at Nano-Scale: How Small Can It Go? Nanotechnologies and nanomaterials are arguably the most actively and extensively developing research areas at the beginning of this century. The number of publications in scientific periodicals and conference proceedings, fully or partially devoted to nano…
Heavily oxidized porous silicon treated by high-pressure water vapor annealing exhibits a strong blue light emission band which includes a long-lived phosphorescence (Ph) component. This Ph is particularly strong below 200 K. Above 200 K, it experiences a progressive thermally activated quenching. The intensity of the…
Accurate prediction of steam volume fraction and of the boiling crisis (either DNB or dryout) occurrence is a key safety-relevant issue. Decades of experience have been built up both in experimental investigation and code development and qualification; however, there is still a large margin to improve and refine the m…
In this work, we are interesting in the measurement of thermal conductivity (on the surface and in-depth) of Porous silicon by the micro-Raman spectroscopy. This direct method (micro-Raman spectroscopy) enabled us to develop a systematic means of investigation of the morphology and the thermal conductivity of Porous s…
Recently, some authors have considered thermodynamics of DNA and obtained its entropy.In parallel, they have shown that phonons which are agents of temperature and entropy have direct effects on the electrons.Motivated by these researches, we obtain the relation between entropy and electronic properties of DNA like it…
Sintering kinetics and densification behavior of pure ThO2 have been studied using high temperature dilatometer experiments at constant rate of heating. Sintering activation energy has been determined by Wang and Raj method. Master sintering curve (MSC) for densification is a functional sintering model that describes…
In this paper, a new computation model of shielding efiectiveness (SE) is proposed in order to calculate the SE of blended electromagnetic shielding fabric (BESF) by some structural parameters. Some computation equations of the SE for the BESF are given according to the theoretical deduction and previous experimental…
Using a nanoporous alumina template, we prepared an isotactic polystyrene/poly(2,6-dimethylphenylene oxide) (iPS/PPO) nanorod blend with gradient composition and gradient crystallinity. The crystallinity, orientation and composition of the polymer in the nanorods were investigated by micro-FTIR spectroscopy. Although…
We report the synthesis of vertically oriented, long-range ordered hexagonal mesoporous zirconia thin films. The orientation of hexagonally ordered cylindrical mesopores in thin films was effectively controlled by taking advantage of the temperature dependent hydrophobicity of the templating block copolymer PEO–PPO–PE…
Ellipsometry and mechanically assisted sodium dodecyl sulphate elution was utilized to study the adsorption of human serum albumin (HSA), human immunoglobulin G (IgG), and laminin-1, as well as competitive adsorption from a mixture of these proteins on spin-coated and sintered hydroxyapatite (HA) surfaces, respectivel…
Elaborate design of energy transfer systems in luminescent nanocrystals revealed tremendous advantages in nanotechnology, especially in biosensing and drug delivery systems. Recently, upconversion nanoparticles have been discussed as promising probes as labels in biological assays and imaging. This article reviews the…
Barium carbonate (BaCO3) crystals with unique hierarchical superstructures have been fabricated through a facile and controlled solution self-assembly mode in the presence of a tri-block copolymer PEO70–PPO20–PEO70 (P123). The powder X-ray diffraction (XRD) results revealed that the obtained BaCO3 product was indexed…