Materials Literature
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Studies on (i) microwave magnetoelectric (ME) interactions in ferrite-piezoelectric bilayers and (ii) electric field tunable ME signal processing devices are discussed. An electric field E applied to the bilayer produces a mechanical deformation in the piezoelectric, resulting in a frequency (δ f) or magnetic field sh…
Abstract n‐Type diamond formation is one of the most important issues for the electronic application of diamond. Phosphorus is the best n‐type dopant candidate at the moment. We have succeeded in growing high‐quality phosphorus‐doped diamond thin films on {111} diamond substrates. Although the ionization energy of the…
Brain tumors remain a significant health problem. Advances in the biology of the blood-brain barrier are improving the ability of researchers to target therapeutic peptides, small molecules and other drugs to brain tumors. Simple methods to improve blood-brain barrier penetration include chemical modification, glycosy…
We have experimentally demonstrated for the first time, shear‐induced development of bubble size and shape in a rhyolitic melt. The deformation experiments have been performed by using an externally heated, piston‐cylinder type apparatus with a rotational piston. At 975°C, the vesiculated rhyolitic melts having cylind…
ZnO thin films with various thicknesses were prepared onto glass substrates by pulsed laser deposition. The crystallinity, microstructure and surface morphology of ZnO thin films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and scanning probe microscopy (SPM). As the thickness of th…
We report the development of a measurement system capable of monitoring and characterizing the main features of the leakage current flowing on a polluted insulator string of a high-voltage transmission line. The system comprises a fiber-optic sensor, directly connected to one insulator of the string, that emits a samp…
Abstract Bisphenol A based low‐molecular‐weight epoxy resin was modified with epoxidized soybean oil, which exhibit viscosity reducing ability comparable to commercial grade active diluents. The studied compositions showed a non‐Newtonian rheological behavior, typical for Bingham liquids. The values of the flow index…
Analytical solutions for the deformation, penetration, and perforation of composite plates and sandwich panels subjected to quasi-static punch indentation and projectile impact are derived. Discrete spring-mass models are used to calculate the impact response of the composite plates and sandwich panels. Equivalent loa…
The authors measure and compare the electronic transport properties of individual single-wall carbon nanotubes (SWNTs) and SWNT networks of varying thickness (Skakalova, 2006). Study of electronic transport through an individual metallic SWNT suggests Luttinger liquid mechanism. Arrhenius plot shows that there is no s…
ABSTRACT: Gelatins can be obtained from different sources and prepared using different processes, and the end product gelatin may vary in amino acid composition and molecular weight distribution. In the present study, the variation in “protein color” development among gelatins in colorimetric total protein content mea…
A series of near-infrared (NIR) electrochromic and electroluminescent polymers containing the pendant dinuclear ruthenium complexes were synthesized and characterized. All the polymers are near-infrared (NIR) electrochromic, displaying an intense absorption centered at 1600 nm upon oxidation to the mixed-valence state…
This review discusses some of the most common polymer scaffold fabrication techniques used for tissue engineering applications. Although the field of scaffold fabrication is now well established and advancing at a fast rate, more progress remains to be made, especially in engineering small diameter blood vessels and p…
A simple method for synthesizing Cu2S nanocrystals with different sizes and shapes via solution-phase thermolysis of a copper alkyldithiolate polymer precursor was developed. Monodisperse Cu2S nanodisks can self-assemble into novel corncoblike structure of stacked disks. This solution-phase thermolysis approach provid…
Mesenchymal stem cells (MSCs) are a promising candidate cell for tissue engineering. Magnetic resonance imaging (MRI) has been proven effective in visualizing iron-labeled stem cells; however, the efficiency of this approach for visualization of cells seeded on scaffolds intended for use as tissue-engineered heart val…
ADVERTISEMENT RETURN TO ISSUECommunication to the...Communication to the EditorNEXTPreparation and Aqueous Solution Properties of New Thermoresponsive Biocompatible ABA Triblock Copolymer GelatorsJeppe Madsen, Steven P. Armes, and Andrew L. LewisView Author Information Department of Chemistry, The University of Sheffi…
BAR domains are found in proteins that bind and remodel membranes and participate in cytoskeletal and nuclear processes. Here, we report the crystal structure of the BAR domain from the human Bin1 protein at 2.0 A resolution. Both the quaternary and tertiary architectures of the homodimeric Bin1BAR domain are built up…
Previous studies of the redox states of linear conjugated oligomers as models for polarons and bipolarons in conjugated polymers do not fully address the influence of intermolecular interactions on the electronic structure of conjugated systems in the solid state. Fusion of oligothiophenes onto a bicyclo[4.4.1]undecan…
Abstract Al‐MoO 3 nanocomposites were synthesized by arrested reactive milling (ARM) using powders of Al and MoO 3 as starting materials. Varying milling parameters lead to different scales of structural refinement in the nanocomposites. The objective of this work was to determine the range in which the degree of stru…
In this paper, molecular dynamics simulations (MDS) are performed on single-walled carbon nanotubes (SWCNTs) in order to study the effects of chirality on their buckling behavior under axial compression. In the MDS, the Tersoff-Brenner potential is used to describe the interaction of carbon atoms in the SWCNTs. The se…
Precipitation of calcium carbonate is widespread in microbial communities (biofilms, microbial mats, etc.) and plays an important role in the nucleation and formation of stromatolites, onkolites and oolites. Here we report carbonate precipitation under laboratory conditions in defined spherical microbial communities.…