Materials Literature
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We present calculations of electronic quantum transport in graphene nanoribbons with adsorbed H, F, OH and O, based on a tight binding model derived from extended Huckel theory. The relaxed atomic geometries of the adsorbates and graphene are calculated using density functional theory. Our model includes the effects o…
ADVERTISEMENT RETURN TO ISSUEPREVAdditions and Correc...Additions and CorrectionsORIGINAL ARTICLEThis notice is a correctionCorrection to Experimental and Theoretical Charge Density Analysis of Polymorphic Structures: The Case of Coumarin 314 DyeParthapratim Munshi, Christian Jelsch*, Venkatesha R. Hathwar, and Tayur…
ADVERTISEMENT RETURN TO ISSUEEditorialNEXTCharacterizing the Multidisciplinarity of Nanoscience ResearchWolfgang J. ParakCite this: ACS Nano 2010, 4, 8, 4333–4334Publication Date (Web):August 24, 2010Publication History Received5 August 2010Published online24 August 2010Published inissue 24 August 2010https://doi.org/…
The chapter briefly outlines the sulphate, the chloride, the flame pyrolysis, the sol-gel, the hydrothermal, the solvothermal, the sol, the laser pyrolysis and the microwave methods for the preparation of the three most important powdered TiO2 phases (anatase, brookite and rutile). Some of these preparations can be us…
Abstract : Symposium N was the ninth in a series of state-of-the-art materials and technologies for direct thermal-to-electric energy conversion symposia with primary focus on material and technological advances of thermoelectric and thermionics. In this symposium there were 93 contributed presentations, including 17…
An ethnobotanical survey was made on plants used in the treatment of infectious diseases in Mbouda subdivision, Cameroon. According to our survey, one of the most important medicinal plants in that area is Bryophyllum pinnatum (Lank.) Oken (Crassulaceae), a succulent plant native to Africa. B. pinnatum (leaves or whol…
Previous work on ion irradiation control of FePt thin film magnetic anisotropy is extended to ultrathin films (2–10 nm). The effects of 30 keV He ion irradiation on the magnetic properties are explored as a function of ion fluence and film thickness. Depending on their growth conditions, the thinnest films exhibit dif…
Limonium latifolium Kuntze (syn. L. gerberi Soldano) or sea lavender is a member of the highly stress-tolerant family Plumbaginaceae found in Brittany (France) littoral. Salt-tolerance capacity of this halophyte may include mechanisms like compartmentation of toxic ions, osmolites accumulation and redox control making…
A new approach of Fabry-Perot (F-P) filter, where the optical length of cavity is tuned by using linear electro-optic (EO) effect of crystals, is demonstrated with the numerical analysis. For achievement of polarization-independent tunability of this filter, directions of light propagation and the external field appli…
We study the relaxation of both spontaneous and shear-induced fluctuations in suspensions of charged-stabilized colloidal particles near the glass transition by dynamic light scattering and rheology. Both observations are here understood in terms of a common structural relaxation process under a hard-sphere mode-coupl…
Ficus carica products are widely used both as food and as medicine in the Middle East. All Ficus species possess latex-like material within their vasculatures, affording protection and self-healing from physical attacks. F. carica latex has been traditionally used in the treatment of gout, ulcers and warts, among othe…
Synthesis and characterization of a novel azobenzene derivative 4-(4-nitrophenylazo) thiophenol is reported. The preliminary investigation of this ligand as a probe for the demonstration of surface−core electronic communication in CdS quantum dot nanoparticles is discussed.
Off-axis illumination (OAI) technology is widely used to enhance resolution for deep ultraviolet lithography. The realizing methods of OAI include geometrical optics method and physical optics method. However, the former has the disadvantage of weak intensity distribution controlling ability, and the latter introduces…
Helicobacter pylori infection is the most common gastrointestinal bacterial disease worldwide. Since antibiotic resistance of H. pylori is increasing and sometimes the cure achieved with antibiotics is not successful, so introduction of new therapeutic agents for treatment or prophylaxis is important. Cumin (Apiaceae…
Abstract Grafting by gamma irradiation has a significant influence on the dispersion properties of polymeric materials. Accordingly, we study the effect of grafting on the material electronic structure parameters such as the fundamental absorption edge and bandgap structure. The optical absorption of grafted polymeric…
Knowledge of the shape of crystals can benefit data collection in X-ray crystallography. A preliminary step is the determination of the loop object, i.e., the shape of the loop holding the crystal. Based on the standard set-up of experimental X-ray stations for protein crystallography, the paper reviews a reconstructi…
In this study, we used the autocloning effect on pyramid structures to develop broad-bandwidth, omnidirectional antireflection structures for silicon solar cells. The angular dependence of reflectance on several pyramid structures was systematically investigated. The deposition of three-layer autocloned films reduced…
Angiogenesis is the formation of new blood vessels occuring in embryo growth and wound healing. It has a vital role in certain pathologies like chronic inflammation and cancer. The antiangiogenic approach as a new advance and target to treat or prevent such pathologies looks very promising (1). In this study, the esse…
We report a new and efficient factorized algorithm for the determination of the adaptive compound mobility matrix B in a stochastic quasi-Newton method (S-QN) that does not require additional potential evaluations. For one-dimensional and two-dimensional test systems, we previously showed that S-QN gives rise to effic…
Extraction of the dried leaves of Agave angustifolia with aqueous methanol gave a crude material that was purified by Diaion HP-20 and silica gel column chromatography to yield 1 and 2. The structure of 1 was proposed by positive ion FABMS, 1D and 2D NMR techniques and acid hydrolysis as a steroidal saponin with new p…