Materials Literature
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Nanosized Zn and ZnO particles have attracted considerable interest for their various potential applications. Zn can act as both the fuel and a working catalyst in the Zn/ZnO thermochemical solar water splitting cycle for hydrogen generation, and ZnO is an important semiconductor. In this work, we combine two differen…
In this work, we examine the interaction between thin films composed of terminally anchored poly(N-isopropyl acrylamide) (PNIPAAm) immersed in water and test surfaces. Understanding this force of interaction can be important when using PNIPAAm surfaces in biotechnological applications such as biological cell cultures.…
Abstract The development of two methods using highly exothermic oxidation reactions to synthesize nanostructured oxide particles is described. The first method uses solution combustion to produce a high temperature front that moves through the sample and produces the nanoparticles. For example, Bi 2 O 3 nanoparticles…
A comparative study of aging and a combined treatment of short annealing and aging on mechanical properties and microstructure of cryorolled (CR) Al 6061 alloy is investigated in the present work by using tensile tests, hardness tests, electron backscattered diffraction and transmission electron microscope. The pre-CR…
Single-walled carbon nanotube (SWNT)/polymer composites are widely studied because of their potential for high mechanical performance and multifunctional applications. In order to realize highly ordered multilayer nanostructures, we combined the layer-by-layer (LBL) assembly method with magnetic force-induced alignmen…
Abstract In a systematic fashion, several methods for esterification and amidation of single‐walled carbon nanotubes have been evaluated with focus on efficiency and reproducibility in forming covalently functionalized products soluble in organic media. The outcome of transformations was determined using IR, Raman and…
Silica based ceramic oxides and hybrid coatings were developed using 3-(trimethoxysilyl) propylmethacrylate (TMSPM), methylmethacrylate (MMA) as the organic phase with different fractions of tetraethoxysilane (TEOS) and aluminium isopropoxide as the inorganic phase using sol-gel process which were deposited onto 316 s…
Hydrogen retention in the divertor tokamak ASDEX Upgrade is studied by surface analysis and gas balances methods. Comparing carbon and tungsten plasma facing components (PFCs), the deuterium content of deposits at the divertor plates has dropped by a factor of 13. With tungsten PFCs only 0.7% of the puffed hydrogen is…
In this paper, both arginine-glycine-aspartic acid (RGD)-containing peptide and transferrin (Tf) were conjugated to the thermosensitive poly(N-isopropylacrylamide-co-propyl acrylic acid) (poly(NIPAAm-co-PAAc)) nanogel to prepare a dual-targeting drug carrier. The obtained nanogel was characterized in terms of fluoresc…
Efficient and simple syntheses of [(n-C4H9)4N]4[a-Mo8O26] (I) and [(n-C4H9)4N]2[Mo2O7] (II) from MoO3 and aqueous [(n-C4H9)4N]OH are described. The yield is 72% for I and 73% for II.
We study the effects of an in-plane magnetic field on the ground-state properties of both gapless and gapped graphene sheets within random-phase approximation. The critical magnetic field which leads to a fully spin polarized phase increases by decreasing the carrier density at zero gap indicating that no spontaneous…
We have investigated the temperature dependence of an energy transfer (ET) between CdSe/ZnS quantum dots (QDs) measuring photoluminescence dynamics in a bilayer structure consisting of differently sized QDs. In the bilayer structure, an effective direct ET from donor QDs to acceptor QDs is realized. The temperature de…
Nanoparticles of poly(DL-lactide-co-glycolide) (PLGA) in the size range 90-150 nm were produced using the physicochemical method with solvent/non-solvent systems. The encapsulation of the ascorbic acid in the polymer matrix was performed by homogenization of the water and organic phases. In vitro degradation and relea…
This article reports systematic measurements of the power utilization by Ta (and Re) hot filaments (HFs) operating in a poor vacuum, in pure He, N(2), and H(2), and in CH(4)/H(2) gas mixtures of relevance to diamond growth by HF chemical vapor deposition, as functions of filament temperature T(fil) (in the range of 18…
Abstract The aim of this investigation is to evaluate the effect of damp‐heat aging on properties of ethylene‐vinyl acetate (EVA) copolymer (14 wt % vinyl acetate units), ethylene‐acrylic acid (EAA) copolymer (8 wt % acrylic acid units) and their blends. Attenuated total reflection Fourier transform infrared spectrum…
We report a novel way to draw films from super-aligned carbon nanotube arrays at large drawing angles. The obtained super-aligned carbon nanotube films have a periodically striped configuration with alternating thinner and thicker film sections, and the width of the stripes is equal to the height of the original array…
The lifetime of front optical components unprotected from reactor grade plasmas may be very short due to intensive contamination with carbon and beryllium-based materials eroded by the plasma from beryllium walls and carbon tiles. Deposits result in a significant reduction and spectral alterations of optical transmiss…
Abstract The objectives of this study were to investigate the effect of epoxide content (24–88 mol %) on the mechanical properties and characteristics of epoxidized soybean oil (ESO) and to compare the mechanical properties of ESO–organoclay nanocomposites with different epoxide contents (40 and 100 mol %). ESO was sy…
ADVERTISEMENT RETURN TO ISSUEPrefaceNEXTPreface to the Molecular and Polymer Gels; Materials with Self-Assembled Fibrillar Networks Special IssueRichard G. WeissView Author Information Georgetown UniversityCite this: Langmuir 2009, 25, 15, 8369Publication Date (Web):July 28, 2009Publication History Received6 May 2009P…
Carbon nanotube-polymer composites have shown to be suitable materials for the fabrication of electrochemical transducers. The exposed surface of these materials is commonly passivated by a very thin layer of the polymer component that buries the conductive carbon particles. Working with multi-walled carbon nanotube-p…