Materials Literature
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<div class="htmlview paragraph">Highly efficient wall-flow diesel particulate filters (DPF) are the primary means of PM emissions control in light-duty diesel vehicles. The successful commercialization of DPF technology has allowed combining attractive characteristics (good fuel economy, high low-end torque char…
Human cytosolic 3,5,3'-triiodo-L-thyronine-binding protein, also called mu-crystallin or CRYM, plays important physiological roles in transporting 3,5,3'-triiodo-L-thyronine (T(3)) into nuclei and regulating thyroid-hormone-related gene expression. The crystal structure of human CRYM's bacterial homolog Pseudomonas pu…
Abstract A novel rubber composite of acrylonitrile–butadiene rubber (NBR) filled with anhydrous copper sulfate (CuSO 4 ) particles was investigated. Dynamic mechanical analysis, differential scanning calorimetry, X‐ray photoelectron spectroscopy, tensile testing, and an equilibrium swelling method were used for the ch…
Abstract Characteristics of pulsed‐field electron emission from nanocarbon films were investigated in experiments with a wide (1.5–5 mm) quasiplanar test gap. Parameters of the applied voltage (amplitude, shape and duration of pulsed component and d.c. bias) were varied; the maximum peak voltage value amounted to 40–4…
Abstract In this study, the morphology and the mechanical properties of thermoplastic starch (TPS)/linear low‐density polyethylene (LLDPE) blends prepared by one‐step and two‐step extrusion processing conditions were contrasted. In the presence of citric acid (CA), the compatibility of TPS/PE blends were proved to tra…
The phonon distribution function in a weakly anharmonic one-dimensional chain in a thermal gradient is determined in the high temperature or, equivalently, classical regime. Thermal relaxation is dominated by 4-phonon scattering processes in this limit and these are treated using Peierls' Boltzmann equation approach.…
<div class="htmlview paragraph">Catalyst coated silicon carbide filters were developed and applied for light-duty and heavy-duty diesel applications. This catalyst coating is suitable also for industrial applications and to be used on cordierite or sintered metal filters. Development activities yield solgel type…
The title compounds were prepared from the elements between 600 and 800 degrees C in evacuated silica tubes. Both tellurides, Ba7Au2Te14 and Ba6.76Cu2.42Te14, form ternary variants of the NaBa6Cu3Te14 type, space group P63/mcm, with a = 14.2593(7) A, c = 9.2726(8) A, and V = 1632.8(2) A3 (Z = 2) for Ba7Au2Te14 and a =…
We propose a high-speed and accurate hybrid dynamic density functional theory for the computer simulations of the phase separation processes of polymer melts and blends. The proposed theory is a combination of the dynamic self-consistent-field (SCF) theory and a time-dependent Ginzburg−Landau type theory with the rand…
Abstract The phenomenon of low‐macroscopic‐field (LMF) electron emission is sometimes exhibited by thin films of non‐metallic materials. Both wide‐band‐gap semiconductors and hopping conductors such as amorphous carbon exhibit this phenomenon, and its origin has been under discussion for some years. This paper first u…
In this article, we describe the surface-assisted photoalignment of discotic liquid crystals (DLCs) on thin films of photo-cross-linkable polymers with cinnamoyl moieties as the side chains. Oblique irradiation of the polymer thin films with nonpolarized UV light at 313 nm brought about inclined orientation of the cin…
We have investigated the influence of different amounts of symmetric block copolymers such as poly(styrene- b -methyl methacrylate) on the form and interfacial relaxation times of a polymer blend containing mainly 7.5% polystyrene as a dispersed phase in a poly(methyl methacrylate) matrix. Special emphasis was put on…
Au/TiO 2 and Au/Ce-TiO 2 catalysts with 5 wt % Au and 12 wt % cerium were prepared with the sol gel technique, and characterized using X-ray powder diffraction and transmission electron microscopy. The crystallography, crystallite size, and morphology of all of the phases in the catalysts, including the metallic gold…
We characterized the photoluminescence (PL) decay of 15 different, solubilized single-walled carbon nanotubes with tube diameters that ranged from 0.7 to 1.1 nm using time-correlated single photon counting. Each nanotube species was excited resonantly at the second excited state, E2, and PL was detected at the lowest…
Novel cholic acid functionalized star oligo/poly(DL-lactide)s with different molecular weights were synthesized through the ring-opening polymerization of DL-lactide initiated by cholic acid. Compared with poly(DL-lactide), these star oligo/poly(DL-lactide)s show faster hydrolytic degradation rates, and the degradatio…
Powder diffraction measurements are fast, and sample preparation does not require time consuming manipulations what is very important for toxic, unstable or explosive samples. In addition, very good results can be also obtained at structure solution level by nowadays methods. Unfortunately, structure solution results…
Based on femtosecond transient absorption spectroscopy, the charge carrier dynamics of CdS x Se 1− x nanocrystal doped glasses was investigated by analyzing the nonlinear differential transient absorption spectra. Time constants were extracted, which are different from the literature results using similar samples: the…
Gold nanoparticles have been synthesized as colloids using a citrate and borohydride reduction of auric chloride producing 15 and 45 nm particles, respectively. The nanoparticle adsorption kinetics have been observed at the silica-water interface by evanescent wave cavity ring-down spectroscopy. AFM images have been u…
Polycrystalline CsBSi 5 O 12 was prepared from a stoichiometric mixture by solid-state reaction above 1000 °C. The solid solutions Cs 1–x Rb x BSi 5 O 12 were obtained at 1000 °C during a long heat treatment of polycrystalline Cs 1–x Rb x BSi 2 O 6 boropollucites ( x Rb = 0, 0.05, 0.2, 0.4). A new borosilicate compoun…
Abstract The diffusion and transport of organic solvents through lignin‐filled natural rubber composites have been studied in the temperature range 25–45°C. The diffusion of aromatic solvents through these samples were studied with special reference to the effect of filler concentration, penetrant size, and temperatur…