Materials Literature
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nanograins synthesized via the sol-gel route suffer from strong capacity fading on cycling. The latter is characterized by the emergence of polarized redox processes at the expense of initial ones. From present investigations, bulk is not altered during the fading process, although parts of the electrode show a decrea…
A control scheme for fuel cell (FC) generation system is proposed in this paper to increase the transient stability and damping performance of micro-grids. With aids of ultracapacitors (UC) and the fast adjustment of power electronic conditioning systems, FC generation system can bring many benefits to distribution sy…
The dissolution characteristics of small molecule photoresist films in supercritical CO2 are measured using laser interferometry. These small molecule photoresists, referred to as molecular glasses, have shown impressive CO2 solubility in recent reports, and in order to understand this behavior the structure–property…
A (perarylcyclopentadienyl)molybdenum(VI) dioxo complex is shown to catalyse epoxidation of cyclooctene by t-butylhydroperoxide, but decomposition to a much more active non-cyclopentadienyl containing catalyst occurs as the reaction proceeds.
Particular focus of this article will be managing the environmental risks and benefits of nanotechnology. Currently, U.S. federal agencies do not actively regulate nanotechnology, but they have begun to assess its implications. This article attempts to assess the challenges that nanomaterials pose to the existing regu…
Trivalent dysprosium ( Dy 3 + ) -activated β-gallium oxide ( β – Ga 2 O 3 ) phosphors were synthesized by solid-state (SS), coprecipitation (CP), and citrate gel (CG) methods, respectively. The resulting β – Ga 2 O 3 : Dy 3 + phosphors were well characterized by X-ray diffraction, field-emission scanning electron micr…
Platinum-based anti-cancer agents have been used for many years to treat many different types of cancer. However, the efficacy of these drugs is limited by serious side effects. One of the strategies to reduce the side effects is encapsulation of the drug in a lipid formulation. Recently, we discovered a novel method…
We developed an interesting instrument in manufacturing a biodegradable polymer-insulated cable, with a variety of new functions. By using this instrument, we manufactured a poly-l-lactic acid (PLLA)-insulated cable. We measured the basic electrical insulation characteristic of the PLLA-insulated cable, and the follow…
CO2 photoacoustic spectroscopy was employed to analyze kinetically the CO2/CH4 reaction catalyzed by 14 wt% Ni/Al2O3 and 14 wt% Ni/TiO2. The catalytic reaction was carried out in the temperature range of 673-923 K at various partial pressures of CO2 and CH4 (40 Torr total pressure) in a closed-circulating reactor syst…
Biocomposites (biodegradable composites) are obtained by blending biodegradable polymers and fillers. Since the main components are biodegradable, the composite as a whole is also expected to be biodegradable. This paper presents various biocomposites that have been elaborated with cellulose or lignocellulose fibers f…
A novel cationic, photoresponsive azobenzene derivative with the characteristic of self-assembly, 2-{4-[(E)-(4-{[11-(dodecylthio)undecyl]oxy}phenyl)diazenyl]phenoxy}-N,N,N-trimethylethanaminium bromide (1), has been synthesized. Self-assembled monolayers (SAMs) of 1 on ultrathin, transparent platinum electrodes have b…
In fabric sound research, loudness has been proven to be the primary factor determining auditory sensation while other factors have not received enough attention in relation to their significance. This study aimed to analyze the secondary sound factors that differentiate sensations of fabric sounds at given sound pres…
The reaction in water of Cu(OH)(2) with 2,2'-bipyridine (bipy) and (NH(4))(2)HPO(4) in a 4 : 4 : 2 molar ratio under an inert atmosphere leads to the formation of a tetranuclear copper(II) complex of formula {[(H(2)O)(2)Cu(4)(bipy)(4)(mu(4)-PO(4))(2)(mu(2)-OH)] x 0.5 HPO(4) x 15.5 H(2)O}, 1, with butterfly topology. T…
Assemblies of heterodimeric particles were prepared through selective coupling of two kinds of spherical silica particles of different sizes by connection with gold nanoparticles attached anisotropically to the particles.
Artificial patina layers are often used to give final appearance and also to restore damaged old copper and bronze surfaces. The main inconvenient of this process is that it frequently requires surface heating or total immersion of the metallic object in the patina solution, which is sometimes impossible to accomplish…
Sulfonic acid-incorporated-MCM-41 mesoporous materials prepared using a silane containing tetrasulfide linkages showed exceptional yields of the acetylated product in the acetylation of anisole due to their high content of strong acid sites.
The synthesis of nanocrystalline N<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mtext>b</mml:mtext><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mtext>O</mml:mtext><mml:mn>5</mml:mn></mml:msub></mml:mrow></mml:math>:E<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><…
Low cycle fatigue life of structural materials diminishes remarkably as functions of various parameters in high temperature water simulating LWR coolant. Such reduction was estimated by the fatigue life reduction factor (Fen) and the equations to calculate Fen were developed and have undergone revision over the past t…
Pseudomonas aeruginosa were used for extracellular biosynthesis of gold nanoparticles (Au NPs). Consequently, Au NPs were formed due to reduction of gold ion by bacterial cell supernatant of P. aeruginos ATCC 90271, P. aeruginos (2) and P. aeruginos (1). The UV‐Vis. and fluorescence spectra of the bacterial as well as…
Nanosized layered double hydroxides (LDH) were synthesized inside the mesooporous carbon (CMK-1) known as CMK-LDH nanocomposites by simple impregnation and precipitation techniques. The catalytic activity of these nanocomposites for Claisen–Schmidt condensation reactions showed remarkably high activity and selectivity…