Materials Literature
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Swarnabhasma, an Ayurvedic preparation containing Calotropis gigantea R. Br. (Asclepiadaceae) is extensively used by Ayurvedic physicians for treatment of diabetes mellitus, bronchial asthma, rheumatoid arthritis and nervous disorders. In the present study, we report the effect of chloroform extracts of Calotropis gig…
We introduce fast lattice Monte Carlo (FLMC) simulations, where multiple occupancy of lattice sites is allowed with a proper Boltzmann weight and thus the evaluation of nearest-neighbor interactions can also be avoided. FLMC simulations (with multiple occupancy of lattice sites and Kronecker δ-function interactions) a…
Rice starch films reinforced with microcrystalline cellulose from palm pressed fiber (MCPF) were prepared and characterized. The dependence of morphology and properties of rice starch films on MCPF (average length of about 0.480+0.023 µm) content in the range of 0 to 40 wt.-percent was characterized by scanning electr…
Much attention has been paid to the characterization of the structure and properties of rice husk ash (RHA), but little to the burning temperature dependence of its structure and properties. This dependence is important for the structure and property optimization of RHA in a controllable manner. In this paper, we pres…
The polarization resistance of idealized, branched, composite cathodes was modeled using a two-dimensional finite element calculation. The model structures consisted of micrometer-scale columns and nanoscale branches of ionically conducting materials that were coated with a mixed-conducting material. The structures ap…
Novel kinetic models for both Dumbbell-like and rigid-rod likepolymers are derived, based on the probability distribution function$f(t, x, n, \dot n)$ for a polymer molecule positioned at $x$ to beoriented along direction $n$ while embedded in a $\dot n$environment created by inertial effects. It is shown that theprob…
Energetics and dynamical pathways for hydrogen peroxide formation from H(2) and O(2) bound to neutral gold dimers and tetramers have been investigated by applying several strategies: T = 0 K geometry optimizations, constrained Car-Parrinello molecular dynamics simulations at T = 300 K and metadynamics at T = 300 K. Th…
Ethanol can initiate Pt nanoparticles to catalyze the chemiluminescent reaction of alkaline lucigenin solution, leading to a visible light emission with autocatalytic property.
E-configured ethenylene-bridged periodic mesoporous organosilicas with ultra-large mesopores and unprecedented pore volumes have been developed for the first time.
The synthesis of 4'-CN, 5'-CN and 5'-Br substituted pyDTDA neutral radical bidentate ligands is reported (pyDTDA = 4-(2'-pyridyl)-1,2,3,5-dithiadiazolyl). The Ni(hfac)(2) and Mn(hfac)(2) coordination complexes of both cyano substituted ligands, and the Mn(hfac)(2) coordination complex of the bromo substituted ligand,…
The syntheses of two anthraquinone-derived tetraaza macrocyclic ligands (L1 via 1-amino-9,10-anthraquinone and L2 via 1-amino-4-hydroxy-9,10-anthraquinone) together with their corresponding LnIII complexes, Ln-L1/2 (Ln = NdIII, GdIII, ErIII, YbIII), are described. Both Ln-L1 (lambda(max) approximately 380 nm) and Ln-L…
Tobias Pfallera, Victor Puntesb, Eudald Casalsb, Albert Duschla & Gertie J. Oostinghaa Department of Molecular Biology, University of Salzburg, Salzburg, Austriab Institut Català de Nanotecnologia and Institut Català de Recerca I Estudis Avançats, Barcelona, SpainDepartment of Molecular Biology, Division Allergy and I…
This paper presents a diesel engine selective catalytic reduction (SCR) control design based on a novel model predictive control (MPC)-assisted approach, which utilizes the advantages of MPC while keeping the computation demand under an acceptable level. The SCR control problem is featured by the challenges of time de…
Phthalocyanines (Pcs) and boron dipyrromethenes (BDPs) are two versatile classes of functional dyes suitable for design of artificial light harvesting and charge separation systems. In the present work, we report the results of photophysical investigations of two novel non-sandwich-type BDP-Pc heterotriads, in which t…
Activated carbon nanofibers (ACNFs) based on a polymer blend, which consists of polyacrilonitrile (PAN) and cellulose acetate (CA), were prepared by electrospinning and subsequent thermal treatment. The diameter of ACNF increased with increasing CA content. The electrical conductivity increased with the addition of CA…
A microsegregation solidification model has been extended for an individual droplet falling through a stagnant gas during the atomization process. Assuming a uniform temperature within the droplet, the model takes into account nucleation undercooling and equiaxed growth of the dendritic and eutectic microstructures un…
Selective structure and shape of Eu3+-doped monoclinic LaPO4 and hexagonal LaPO4·1.5H2O nanocrystals were successfully synthesized by a hydrothermal method. It was found that the pH and temperature of the growth solution are two crucial factors in determining the structure and morphology of LaPO4nanocrystals. The prop…
Water-soluble, exceptionally stable, "naked" silver nanoparticles were obtained in a single step by simple decomposition of a commercial silver complex at room temperature without the need of external reducing agents and conventional stabilizing ligands.
Oxidative dehydrogenation of amines using heterogeneous gold catalysts has unanticipated potential; chemisorbed atomic oxygen is used to activate propylamine, producing propionitrile and/or propionaldehyde on a single-crystal Au(111) surface.
An environmentally friendly development process using supercritical carbon dioxide (scCO2) was applied to a novel molecular glass resist made from a molecular waterwheel (‘Noria’), and patterned by electron-beam (EB) lithography. The physical and lithographic properties of a Noria derivative, tert-butoxycarbonyl-prote…