Materials Literature
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Natural fiber reinforced composites, which can be carbon-neutral materials, have been investigated for use as alternative materials to glass-fiber reinforced plastics (GFRP). The fatigue properties of natural fiber reinforced plastics are, however, not well known. In this study, uniaxial tensile fatigue tests of unidi…
A bottom-up coarse-graining procedure for peptides in aqueous solution is presented, where the interactions in the coarse-grained (CG) model are determined such that the CG peptide samples conformations according to a high-resolution (atomistic) model. It is shown that important aspects of conformational sampling, suc…
A detailed study is given on the synthesis of a hierarchical porous carbon, possessing both meso- and macropores, using a mesophase pitch (MP) as the carbon precursor. This carbon material is prepared by the nanocasting approach involving the replication of a porous silica monolith (hard templating). While this carbon…
Zinc–indium–tin oxide (ZITO) films were grown by pulsed-laser deposition. Three different material compositions were investigated: ZITO-30, ZITO-50 and ZITO-70 in which 30%, 50% and 70%, respectively, of the indium in the In2O3 structure was replaced by substitution with zinc and tin in equal molar proportions (co-sub…
Abstract Natural fiber‐reinforced hybrid composites based on bamboo/epoxy/nanoclay were prepared. Ultrasound sonication was used for the dispersion of nanoclay in the bamboo–epoxy composites. The morphology of bamboo–epoxy nanocomposites was investigated by using scanning electron microscopy, transmission electron mic…
Abstract Solid oxide fuel cells (SOFCs) have the potential to meet the critical energy needs of our modern civilization and minimize the adverse environmental impacts from excessive energy consumption. They are highly efficient, clean, and can run on variety of fuel gases. However, little investigative focus has been…
The average spatial dimensions between major biopolymers within the plant cell wall can be resolved using a solid-state NMR technique referred to as a (13)C cross-polarization (CP) SELDOM (selectively by destruction of magnetization) with a mixing time delay for spin diffusion. Selective excitation of specific aromati…
Carbon-based hybrid nanostructures are believed to entail certain advantages of their parent low-dimensional materials and would serve as building blocks to bridge the nanoscale geometry to the large-scale application requirements. Fullerene, carbon nanotubes and graphene are suggested as ideal ‘building blocks’ for t…
A simple, mild, and effective process for the recovery of intracellular polyhydroxyalkanoate from a newly isolated gram-negative wild-type bacteria Comamonas sp. EB172 was developed using sodium hydroxide. Various parameters such as sodium hydroxide concentration, digestion time, and temperature were examined for thei…
It is found that 5% CuO nanoparticle/epoxy nancomposite showed the best thermal properties via calorimetry analysis due to homogeneous dispersion of nanofillers. The nanocomposite exhibited an increase in storage modulus, glass transition temperature, and cross-link density from the pure epoxy system. Thermo-oxidative…
We formulate and implement a method for electronic structure calculations based on the coherent potential approximation. This method provides an accurate description for nonstoichiometric compounds with the disordered location of vacancies. In the essence of its formulation, the method is similar to the implementation…
UDP-galactopyranose mutase (UGM) is a flavoenzyme that catalyzes the conversion of UDP-galactopyranose to UDP-galactofuranose, which is a central reaction in galactofuranose biosynthesis. Galactofuranose has never been found in humans but is an essential building block of the cell wall and extracellular matrix of many…
Across-plane conductivity measurements on ion conducting thin films of a few ten nanometers thickness are challenging due to frequently occurring short-circuits through pinholes in the layer. In this contribution, a method is proposed which allowed across-plane conductivity measurements on yttria stabilized zirconia (…
The evolution of the polymer structure during nanocomposite formation and annealing of silica–latex nanocomposites is studied using contrast-variation small angle neutron scattering. The experimental system is made of silica nanoparticles ( R si ≈ 8 nm) and a mixture of purpose-synthesized hydrogenated and deuterated…
The inhibitive action of iron (III), imidazole and mixture of them on the corrosion of carbon steel in 0.5 M H2SO4 solution was investigated using galvanostatic, potentiodynamic anodic polarization and weight loss techniques. It was found that the percentage inhibition efficiency was found to increase with increasing…
BACKGROUND: The purpose of this study was to develop a sustained drug-release model for water-soluble drugs using silica nanoparticles. METHODS: Hollow-type mesoporous silica nanoparticles (HMSNs) were prepared using Na(2)CO(3) solution as the dissolution medium for the first time. The water-soluble compound, silybin…
Escherichia coli is used for eco-friendly extra cellular synthesis of metallic silver and gold nanoparticles. This is achieved by reducing AgNO3 and HAuCl4 solutions respectively under ambient conditions by using the extra cellular protein produced by the microorganism. The proteins act as reducing as well as capping…
Magnetic Co1−xNixFe2O4 nanoparticles (NPs) were successfully synthesized via a solvothermal method using ethylene glycol as solvent. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM…
The quantum dots of semiconductor display novel and interesting phenomena that have not been in the bulk material. The color tunability is one of the most attractive characteristics in II-VI semiconductor nanoparticles such as CdS, ZnS, CdSe, ZnSe and PbO. In this work, the semiconductor lead oxide nanoparticles are p…
The crystallization kinetics of polymer thin film has a great difference from that in the bulk. Generally, the growth rate of the crystal confined in thin film reduces with decreasing film thickness, which is believed that the interaction between chains and substrate is responsible for the decrease of the growth rate.…