Materials Literature
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Tissue engineering uses various approaches to restore bone loss and heal critical-size defects resulting from trauma, infection, tumor resection or other musculoskeletal diseases. The success of bone tissue engineering strategies critically depends on the extent of blood vessel infiltration into the scaffolds. It has…
The evaporation process taking place close to the three-phase contact line is considered and studied theoretically using a linear stability analysis approach. A domain perturbation method, taking into consideration thermocapillary effects and surface forces, is used to develop the higher-order solution in terms of ser…
Fluorite phase CeO2 is compressed non-hydrostatically up to 27 GPa using a diamond anvil cell until the transition to α-PbCl2 phase occurred. The compressive strength (t) of CeO2 as a function of pressure is determined by the line width analysis of the high pressure angle dispersive x-ray diffraction patterns. The str…
The article describes a study aimed at understanding the behaviour of both conventional and nanocomposite organic enamels in the presence of partial discharge as influenced by relative humidity.
Pulsed MOCVD with the in situ mass spectrometric control of the deposition process is employed to obtain ultrathin Ir layers with a thickness from units to tens of nanometers. The role of the reaction medium, precursor nature, and deposition temperature in the formation of the nanocrystalline structure of films is rev…
BACKGROUND: The boron concentration (BC) in the blood, rather than in normal tissue, is often used as the reference to calculate the BC in tumor for boron neutron capture therapy (BNCT). The aims of this study were to justify whether BC in the blood is equal to that of normal tissue, and to verify the macro- and micro…
A phase transition in Ca 12 Al 14 O 33 has been discovered and investigated by thermogravimetric analysis, differential scanning calorimetry, dilatometry, and high-temperature X-ray diffraction. The phase transition occurs at 922 ± 45 K (Δ H = −406 ± 13 kJ/mol, Δ S = −440 ± 14 J/(mol K)) and is presumably a first-orde…
A new material, C12A7:e- electride, which might present a work function as low as 0.6 eV and moderately high temperature stability, was recently proposed as coating for floating bare tethers. Arising from heating under space operation, current is emitted by thermionic emission along a thus coated cathodic segment. A p…
We propose to combine the Wang–Landau (WL) sampling scheme with configurational-bias Monte Carlo (CBMC) simulations to study the phase behaviour of chain molecules. We apply the resulting WL–CBMC method to calculate an estimate for the canonical and isothermal–isobaric partition function for a series of alkene molecul…
This study was focused on the preparation of modified bismuth oxide photocatalysts, including Ru and Pt doped Bi2O3, using sonochemically assisted method to enhance their photocatalytic activity. The crystalline phase composition and surface structure of Bi2O3 photocatalysts were examined using SEM, XRD, UV-visible sp…
The TiO2 thin film layers were introduced with the spin-coating method between FTO electrode and TiO2 photoanode in dye sensitized solar cell (DSSC) to prevent electron back migration from the FTO electrode to electrolyte. The DSSC containg different thickness of TiO2 thin film (10-30, 40-60 and 120-150 nm) were prepa…
The effect of monomer feeding rate on particle size, molar masses, glass transition and tacticity of poly(n-butyl methacrylate) (PBMA) nanoparticles synthesized by semi-continuous heterophase polymerization under monomer-starved conditions is reported. Three feed rates were examined. Highly monomer-starved conditions…
Charge carrier transport in solid-phase crystallized polycrystalline silicon (poly-Si) was investigated as a function of the deposition temperature, Td, the amorphous starting material and the used substrates. The samples were characterized using temperature dependent transport measurements to determine the carrier co…
New 2,6-diisobornylphenol derivatives having formyl, hydroxymethyl, and carboxy groups in the para position with respect to the hydroxy group were synthesized. 4-Hydroxy-3,5-diisobornylbenzoic acid was obtained in a moderate yield through intermediate ortho ester and methyl ester.
A bioactive composite of nano calcium-deficient apatite (n-CDAP) with an atom molar ratio of calcium to phosphate (Ca/P) of 1.50 and poly(ɛ-caprolactone)-poly(ethylene glycol)-poly(ɛ-caprolactone) (PCL-PEG-PCL) was synthesized, and a composite scaffold was fabricated. The composite scaffolds with 40 wt% n-CDAP contain…
Material used for noise control applications should possess good sound absorption and dampening properties. In this work, the authors have focused on noise control applications of novel material made of jute which is a readily available, cheap and biodegradable natural fiber. Based on physical, flammable and acoustica…
A method used to achieve efficient optical control of a spin wave system in yttrium iron garnet is described. Using a focused laser beam, spin wave resonators and reflectors are induced by controlled local thermal demagnetization of a thin film. We report on the formation of an optically induced potential well for mag…
The fabrication of graphene has been widely studied and chemical reduction is considered the most suitable approach to achieve large-scale production and graphene functionalization due to its versatility of chemical routes. We report here a fast and simple reduction of graphene oxide in various organic solvents using…
Flue gas recirculation (FGR) is an effective technology both to control NOx emissions during combustion processes and to control temperature and make-up for the volume of the missing N2 during oxy-fuel combustion processes. In this article, a study of the individual role of the main products that are expected to form…
Zinc telluride (ZnTe) polycrystalline films were prepared on ultra-clean glass substrates using a screen-printing technique and then sintered in a nitrogen atmosphere. The conditions for preparing good quality screen-printed films were subsequently discovered. The optical band gaps E g of the films were determined by…