Materials Literature
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The borophosphate family incorporates compounds with crystal structures ranging from densely packed to microporous.We have synthesized several transition metal borophosphates with alkali-metal cations and determined their crystal structures using single-crystal X-ray diffraction at 100 K. Crystal chemical interpretati…
The properties of blend of low density polyethylene and waste maize cob flour (LDPE/WMCF) and maleated polyethylene (MAPE) as compatibilizer were studied. LDPE/WMCF composites with different filler loadings, with and without the addition of MAPE were prepared using a laboratory injection moulding machine. Mechanical p…
A theoretical prediction of ion conductivity for solid state HfO 2 is carried out in analogy to ZrO 2 based on the density functional calculation. Geometric and electronic structures of pure bulks exhibit similarity for the two materials. Negative formation enthalpy and negative vacancy formation energy are found for…
Biosynthesis of nanoparticles is under exploration is due to wide biomedical applications and research interest in nanotechnology. Bioreduction of silver nitrate (AgNO3) used for the synthesis of silver nanoparticles respectively with the plant extract; Coleus forskohlii roots extract (Lamiaceae). The plant extract is…
Effects of MnO on the microstructure and electrical properties of Ba0.85Ca0.15Ti0.90 Zr0.10O3 (BCTZ) ceramics were investigated. Its sintering temperature decreases, a phase boundary shifts to a higher temperature, and a denser microstructure is induced by introducing MnO. Double P-E loops were observed in BCTZ with x…
The atomic-scale nucleation mechanism of vapor-grown carbon nanofibers (CNFs) is investigated using classical molecular dynamics simulations with a developed parameterization. Carbon precipitation and graphene plane formation are simulated, taking into account the carbon concentration (CC) in Ni carbide. The simulated…
Thermochromic materials such as vanadium dioxide have been postulated for use in “SMART” windows for a number of years. Such windows work by exploiting a structural phase change from an infra-red transmissive state to a infra-red reflective state. Significant challenges still remain before such materials will be able…
Several polymeric nanoparticulate systems have been prepared and characterized in recent years, based on both natural and synthetic polymers, each with its own advantages and drawbacks. Among the natural polymers, chitosan has been studied extensively for preparation of nanoparticles. Chitosan nanoparticles have been…
The present study deals with the synthesis of silver nanoparticles using the leaf broth of Merremia tridentata (L) Hall. f. (Family: Convolvulaceae). The leaf broth was prepared and resuspended in aqueous solution of silver nitrate and it is known as reaction medium. This reaction medium was kept in an incubator cum s…
Molecular self-assembly has evolved into a robust and powerful bottom-up approach for constructing biomaterials. In this paper, we report the molecular self-assembly of synthetic short amphiphilic peptides (Ac-I3K-NH2, Ac-A3K-NH2, and Ac-A9K-NH2) and their applications as specific biomineralization templates to invest…
Buckled monolayers of diameter-tunable microgel spheres constitute a soft-matter model system for studying geometric frustration in hard-condensed-matter antiferromagnetic materials. In the plane, the spheres self-assemble to form a triangular lattice. By considering the free volume available to two spheres slightly o…
The addition of flexible scorpionate ligand, [mpBm]⁻{i.e. HB(mt)2(mp), where mt = methyl-2-mercaptoimidazole and mp = 2-mercaptopyridine} to group eleven centres is reported for the first time. The coordination of this hybrid ligand to copper(I) and silver(I) centres in the presence of triphenylphosphine and trialkylp…
There has been a major effort, all over the world, to increase an energy density of electrochemical capacitors to meet more demands for electric automotive and regenerative energy storage applications. Hybridizing battery-capacitor electrodes can certainly overcome the energy density limitation of the conventional ele…
In this paper we present a rapid and simple one-pot method to obtain gold nanoparticles functionalized with folic acid using a photochemistry method. The bioconjugate folic acid-gold nanoparticle was generated in one step using a photo-reduction method, mixing hydrogen tetrachloroaurate with folic acid in different ra…
A continuous dosing mode sono-Fenton process was used in this study to establish an efficient treatment technology for ethylenediamine degradation. The effects of pH, dosages of H2O2 and Fe 2+ , presence of anions and initial ethylenediamine concentrations were investigated. Experimental results showed that more than…
The fractal dimensions of semiflexible dendrimers are theoretically calculated within the framework of optimized Rouse–Zimm models, from the scattering intensity and the complex viscosity, as a function of the degree of flexibility. The fractal dimensions of the dendrimer consistently vary with the degree of flexibili…
The methanol oxidation activity of Pt oxide can be significantly improved by heat reduction in a H2 atmosphere or by electrochemical reduction using a cathodic current. Therefore, the Pt oxide is expected to be a novel anode catalyst for DMFC. In this study, measurement of the electrochemical active surface area by CO…
One-dimensional BiFeO3(BFO) nanofibers fabricated by electrospinning of a solution of Nylon6/BFO followed by calcination were used for photocatalytic degradation of contaminants in water. The BFO fibers were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and UV-Vis spectroscopy. The S…
The dendrimer based synthetic enzyme mimic, so-called 'dendrizyme', has been of great interest since the early days of dendrimers. However, there is a lack of an effective way to obtain a natural enzyme mimic showing both good biocompatibility and high preservation of catalytic activity in biological complex medium si…
In this work we describe three different trends of pore growth for anodic aluminum oxide nanopores based on their dependence on prepatterned interpore distances. Nanopatterned hexagonal concave arrays were formed by focused ion beam (FIB) lithography on aluminum foil with interpore distances in the range of 100 to 240…