Materials Literature
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Abstract Hybrids based on recycled high density polyethylene (RHDPE) and organic clay were made by melt compounding. The influence of blending method, compatibilizers, and clay content on clay intercalation and exfoliation, RHDPE crystallization behavior, and the mechanical properties of RHDPE/clay hybrids were invest…
Abstract Hydrogenation is an important method of chemical modification, which improves the physical, chemical, and thermal properties of diene‐based elastomers. Natural rubber latex (NRL) could be hydrogenated to a strictly alternating ethylene–propylene copolymer using diimide generated in an in situ system. The diim…
Thin lead sulfide films were grown on single crystal GaAs(100) substrates by chemical deposition using Pb(NO3)2 and CS(NH2)2 with excess of NaOH in aqueous solution at a range of deposition temperatures 0–50 °C. The microstructure and morphology evolution were studied as a function of the deposition conditions, result…
The efficiency of the ligand-building module of ARP/wARP version 6.1 has been assessed through extensive tests on a large variety of protein-ligand complexes from the PDB, as available from the Uppsala Electron Density Server. Ligand building in ARP/wARP involves two main steps: automatic identification of the locatio…
An accurate and versatile process for the fabrication of high-resolution 3D nanostructures combining top-down and bottom-up nanofabrication schemes is described here. The method is based on layer-by-layer (LBL) assembly of functionalized nanoparticles (NPs) bound together by means of supramolecular interactions betwee…
Abstract Phase diagram of boron is theoretically studied, with focusing mainly on difference between α and β phases. The melting curve is calculated by the pressure dependence of the bulk modulus of solid. It is found that the gradient of the melting curve is inverted at a high pressure. Based on this finding, a promi…
Cavitation bubbles are generated in water by low-energy femtosecond laser pulses in the presence of an ultrasonic field. Bubble dynamics and cavitation luminescence are investigated by CCD photography and photomultiplier measurements in dependence on the phase of the acoustic cycle at which the bubbles are generated.…
Abstract Two water‐soluble conjugated polyelectrolytes, poly(9,9′‐bis(6‐ N,N,N ‐trimethylammoniumhexyl)fluorene‐ alt ‐1,4‐(2,5‐bis(6‐ N,N,N ‐trimethylammoniumhexyloxy))phenylene) tetrabromide ( P1i ) and poly((10,10′‐bis(6‐ N,N,N ‐trimethylammoniumhexyl)‐10H‐spiro(anthracene‐9,9′‐fluorene))‐ alt ‐1,4‐(2,5‐bis(6‐ N,N,N…
Abstract Three novel diamine monomers ( VI , VII , and VIII ) were synthesized. These diamine monomers lead to a number of semifluorinated poly(ether imide)s when reacted with different commercially available dianhydrides like pyromellitic dianhydride (PMDA), benzophenone tetracarboxylic acid dianhydride (BTDA), 2,2‐b…
Abstract This review discusses recent advances in protein sensing using fluorescent polyelectrolytes that are mainly water‐soluble conjugated polymers. A quencher‐labeled substrate or fluorophore‐labeled substrate is generally used as a probe. In the presence of an enzyme, the linker between substrate and quencher/flu…
Brownian trajectory simulation methods are employed to fully establish the non-Gaussian fluctuation effects predicted by our nonlinear Langevin equation theory of single particle activated dynamics in glassy hard-sphere fluids. The consequences of stochastic mobility fluctuations associated with the space-time complex…
Strong resonant coupling of surface plasmon polaritons to radiation modes by means of a dielectric grating deposited on top of a metal slab is numerically analyzed, and some novel properties of this configuration are discussed. The dielectric grating is not only responsible for coupling of incident light to surface pl…
Abstract The in situ polymerization of pyrrole was carried out in the presence of γ‐Fe 2 O 3 to synthesize polypyrrole/γ‐Fe 2 O 3 composites by a chemical oxidation method. The polypyrrole/γ‐Fe 2 O 3 composites were synthesized with various compositions, including 10, 20, 30, 40, and 50 wt % γ‐Fe 2 O 3 in pyrrole. The…
Controlled filling of Permalloy into a one-end-opened carbon nanotube (∼40 nm in inner diameter, 900 nm in length) array embedded in an anodic aluminium oxide film was achieved by an electrochemical route. Thanks to the electron-microscopically transparent carbon nanotubes, the time course of the electrochemical depos…
Abstract Recent experimental measurements and ab initio calculations in scheelite CaWO 4 , SrWO 4 , BaWO 4 , PbWO 4 , EuWO 4 and YLiF 4 crystals reveal the existence of complex high‐pressure phase diagrams, which present striking differences but also relevant similarities. In this work we show that the high‐pressure s…
Biofilm formed on carbon steel by various species of bacterial cells causes serious problems such as corrosion of steel, choking of flow in the pipe, deterioration of the heat-transfer efficiency, and so on. Cathodic protection is known to be a reliable method for protecting carbon steel from corrosion. However, the i…
Understanding X-ray crystallographic diffuse scattering is likely to improve our comprehension of equilibrium collective protein dynamics. Here, using molecular dynamics (MD) simulation, a detailed analysis is performed of the origins of diffuse scattering in crystalline Staphylococcal nuclease, for which the complete…
At the resolution available from most macromolecular crystals, the X-ray data alone are insufficient to lead to a chemically reasonable structure, so stereochemical restraints are essential. These usually restrain bond lengths, bond angles, planes and chiral volumes. The definition of these restraints and where the va…
Abstract Nanocomposite (NC) membranes based on hydrophobically modified PVA and laponite were synthesized with varying laponite content in the feed. The incorporation of laponite in NC membranes was investigated by FTIR spectroscopy and thermogravimetric analysis. The swelling ratio of membranes was determined as a fu…
We present a method of visualizing topological defects arising in numerical simulations of liquid crystals. The method is based on scientific visualization techniques developed to visualize second-rank tensor fields, yielding information not only on the local structure of the field but also on the continuity of these…