Materials Literature
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A simple and novel electroanalysis of hydroxyurea (HU) drug at carbon paste electrode has been investigated for the first time using cyclic, linear sweep and differential pulse voltammetric techniques. The oxidation of HU is irreversible and exhibits a diffusion controlled process and is pH dependent. The oxidation me…
The response of polycrystalline SrTiO3, fabricated by the flash sintering method, to ion beam irradiation was investigated by means of transmission electron microscopy (TEM) and atomic scale modeling. The samples were implanted with 250 keV Ne ions at fluences between 1.11 × 1016 and 2.25 × 1016 ions per cm2 at room t…
This paper presents precise assessment of steady-state performance of induction motor (IM) operating under voltage unbalance. The variation of two voltage unbalance factors viz. complex voltage unbalance factor (CVUF) and impedance unbalance factor (IUF) with positive sequence voltage component, reveals that degree an…
Two Cd(II)-organic frameworks based on 5-iodoisophthalate (IIP(2-)), {[Cd(IIP)(bte)(H2O)]·H2O}n (1) and [Cd(IIP)(bpp)(H2O)]n (2), were obtained either at an ambient temperature or under solvothermal conditions at 120 °C in the presence of 1,4-bis(1,2,4-triazol-1-yl)ethane (bte) and 1,3-bis(4-pyridyl)propane (bpp) as a…
Preparation of injectable hydroxyapatite/collagen bone-like nanocomposite (HAp/Col) paste utilizing sodium alginate (Na-Alg) and influence of additives on the paste properties were investigated. The HAp/Col at the HAp and collagen mass ratio of 80:20 synthesized by a simultaneous titration method was pelletized to 100…
The aim of this research was to explore the energy benefits and future potential of using Building Integrated Photovoltaic (BIPV) and Electrochromic Glazing (EG) within the climatic conditions of the city of Abu Dhabi. The Integrated Environmental Solutions (IES-VE) energy modeling software was used to assess the ener…
The surface and bulk kinetic properties of BaCe 0.9 Y 0.1 O 2.95 (BCO) and La 27.15 W 4.85 O 55.28 v 0.73 (LWO) have been studied by means of transient thermogravimetry. Dissolution and diffusion of water have been determined from step changes in the water vapor pressure, and dissolution and diffusion of protons from…
OECD/NEA (Organization for Economic Cooperation and Development/Nuclear Energy Agency) launched the SERENA (steam explosion resolution for nuclear application) project to resolve internationally the ex-vessel steam explosion issue, which is one of major unresolved issues after a TMI-2 (three mile island-2) accident. O…
A dye-sensitized solar cell (DSC) has unique properties that the cell performance does not readily decrease even at higher incident light angles compared with a Si solar cell and dose not decrease or rather increases under low light conditions. Fujikura is developing new applications of DSC by taking advantages of the…
Cu(1,3-BDC) (1,3-BDC = 1,3-benzenedicarboxylic acid) was found in the interpenetrated metal–organic frameworks [Cu(1,3-BDC)(H2O)]·2H2O and Cu(1,3-BDC)(PY)2. We studied their CO2, CH4, and N2 adsorption isotherms at high pressure (10 bar) and used density functional theory methods to locate their most stable configurat…
Galvanic replacement reactions have been successfully employed to produce hollow bimetallic nanostructures with a range of shapes. This paper presents a systematic study of the galvanic replacement reaction between 122 nm thick hexagonal Ag nanoplates and HAuCl4 in an aqueous medium. We monitored the morphological and…
A micro hydro-gel is a submicron- or micron-sized network polymer particle that is insoluble in water but highly swellable. This review presents the following topics: preparation, properties, and applications of micro hydrogels. First, two types of preparation methods for micro hydrogels are presented: (i) particle-fo…
In this work, the liquid phase plasma reduction method was applied to prepare cobalt nanoparticles from the cobalt chloride solution. A bipolar pulsed power supply was used to generate discharges in aqueous solutions. The excited states of atomic hydrogen and atomic oxygen as well as the molecular bands of the hydroxy…
Ilmenite-type natural ore which is constituted mainly of iron-titanium oxide is an interesting candidate as an oxygen carrier in chemical looping combustion (CLC) process. Its reactivity was investigated using methane as reducing gas and air as oxidizing gas. Experiments were carried out in a coupled thermogravimetric…
Evaporation-Induced Self-Assembly: Nanostructures made easy Self-Assembly – Living systems provide us many examples of intricately organized composite architectures preserved in silica or calcium carbonate. Most natural composites are formed by complex biomineralization processes; however, recently, self-assembly stra…
Densification of antimony‐doped tin oxide (ATO) ceramics without sintering aids is very difficult, due to the volatilization of SnO2, formation of deleterious phases above 1000°C, and poor sintering ability of ATO particles. In this paper, monodispersed ATO nanoparticles were synthesized via sol‐gel method, and then A…
No presente trabalho, considera-se o estudo do potencial de utilização de resíduos da casca de amendoim, com o intuito de agregar valor a este material, por meio da fabricação de painéis de partículas aglomeradas com resina ureia-formaldeído, prensados à temperatura de 100 ºC. A qualidade dos painéis foi avaliada com…
The dye-sensitized solar cells (DSSCs) have been fabricated using highly ordered TiO2nanotube arrays as photoelectrode and natural dyes as photosensitizers. The natural dyes were extracted from the abundant plants in the tropical region, such asTradescantia zebrina, kapok, and pitaya. The dyes could chemically couple…
A test with wafer discs was used to examine the ability of 20 compounds to inhibit feeding in adults of Sitophilus granarius and Tribolium confusum as well as in the larvae of Tribolium confusum and Trogoderma granarium. The compounds tested were sesquiterpenoids of lactarane, isolactarane, marasmane and 13-normarasma…
Bioengineered skin has great potential for use in regenerative medicine for treatment of severe wounds such as burns or chronic ulcers. Genetically modified skin substitutes have also been used as cell-based devices or "live bioreactors" to deliver therapeutics locally or systemically. Finally, these tissue constructs…