Materials Literature
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Abstract Porous crystals such as metal–organic framework (MOF), porous coordination polymer (PCP), and porous organic crystals have shown promise as solid materials in terms of their great potentials for catalysis, separation and refinement techniques, environmental protection, nanoengineering, and pharmaceutical appl…
The effect of two temperatures on functionally graded nanobeams due to harmonically varying heat is investigated. Material properties of the nanobeam are assumed to be graded in the thickness direction according to a novel power-law distribution in terms of the volume fractions of the metal and ceramic constituents. T…
BACKGROUND: Up to now, the management of olive mill wastewaters, a three-phase mill by-product, remains an unsolved problem, in particular for those regions where huge quantities of vegetable water are produced. Olive mill wastewaters were therefore treated to evaluate the characteristics of permeate and retentate fra…
Abstract This paper presents a pseudo 2D multiphysics A.C. and D.C. model that has been successfully used with Electrochemical impedance spectroscopy (EIS) measurements to detect cells state‐of‐health in a PEMFC stack. The model is able to reproduce the gas concentration oscillations that develop along the cell channe…
Bone-tendon-bone autograft represents a gold-standard for anterior cruciate ligament (ACL) reconstruction but at the cost of a secondary surgical site that can be accompanied by functional impairment and discomfort. Although numerous in vitro and in vivo studies have investigated tissue engineering alternatives to aut…
Abstract Full numerical simulations of the Navier–Stokes equations for four cases of vertically falling liquid films with three-dimensional surface waves have been performed. Flow conditions are based on several previous experimental studies where the streamwise and spanwise wavelengths were imposed, which we exploit…
Chondroitin sulfate-g-poly(ε-caprolactone) (CP) copolymers were synthesized via atom transfer radical addition (ATRA). The CP copolymers self-assembled into micelles in water, and the micelles could be used to encapsulate a hydrophobic anticancer drug, camptothecin (CPT), in the core for tumor targeting delivery. The…
The surface plasmon (SP)‐exciton coupling effect has attractive potential applications in nitride semiconductor‐based light‐emitting diodes (LEDs) with improved performances by enhancing the spontaneous radiative recombination rate, especially for AlGaN‐based deep UV LEDs with an intrinsic low internal quantum efficie…
Fibrous scaffolds engineered to direct the growth of tissues can be important in forming architecturally functional tissue such as aligning regenerating nerves with their target. Collagen is a commonly used substrate used for neuronal growth applications in the form of surface coatings and hydrogels. The wet spinning…
Even though they are safe and economical transportation means of gas and oil products around the world, pipelines can be subject to failure and degradation generating hazardous consequences and irreparable environmental damages. Therefore, gas and oil pipelines need to be effectively monitored and assessed for optimal…
Magnetic correlations of two isostructural quasi-one-dimensional (1D) antiferromagnetic spin-chain compounds Sr${M}_{2}$V${}_{2}$O${}_{8}$ (M = Co, Mn) have been investigated by magnetization and powder neutron diffraction. Two different collinear antiferromagnetic (AFM) structures, characterized by the propagation ve…
The theory of the electron relaxation in simple metals excited by an ultrashort optical pump is developed on the basis of the solution of the linearized Boltzmann kinetic equation. The kinetic equation includes both the electron-electron and the electron-phonon collision integrals and assumes that Fermi liquid theory…
The influence of the turbulence–chemistry interaction (TCI) for n-heptane sprays under diesel engine conditions has been investigated by means of computational fluid dynamics (CFD) simulations. The conditional moment closure approach, which has been previously validated thoroughly for such flows, and the homogeneous r…
The present study applies the machining approach and other analysis techniques to investigate the material removal behavior during surface grinding of high-velocity oxy-fuel (HVOF) thermally sprayed WC–10Co–4Cr coating using a resin-bonded diamond wheel. The basic grinding factors such as force ratio, specific materia…
In this paper, the influence of slot harmonics on magnetic forces and vibration is studied in a 120-slot/116-pole low-speed PM machine at no-load. It is shown how the lowest mode of vibration is produced at no-load due to slotting. Comparing the cases of open slots, semi-closed slots and magnetic wedges, the effect of…
This study investigates the cutting forces induced during high-speed end milling of titanium alloy (Ti–6Al-4V ELI) as well as the surface quality of the milled surfaces. The high-speed machining was performed using carbide tool of coated and uncoated types at three cutting speeds of 200, 250, and 300 mm/min and two fe…
The recently discovered small interfering RNA (siRNA) holds great promise in cancer therapy. However, efficient and safe delivery systems are required for the development of new therapeutic paradigms. Ovarian cancer has the highest mortality of all gynecologic tumors, and there is an urgent need for specific and effec…
Recent studies indicate that soluble β-amyloid (sAβ) oligomers, rather than their fibrillar aggregates, contribute to the pathogenesis of Alzheimer's disease (AD), though the mechanisms of their neurotoxicity are still elusive. Here, we demonstrate that sAβ derived from 7PA2 cells exert a much stronger effect on the r…
The molecular dynamics of linear poly(N-isopropylacrylamide) (pNIPAM) in aqueous media at temperatures below and above the lower critical solution temperature (LCST) are investigated using broadband dielectric relaxation spectroscopy in a frequency range from 10(-1) to 10(11) Hz. Below the LCST, two relaxation process…
Dental caries is one of the most prevalent chronic diseases in the United States, affecting 92% of adults aged 20-64 years. Scaffold-based tissue engineering represents a promising strategy to replace damaged dental structures and restore their biological functions. Current single-component scaffolding materials used…