Materials Literature
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Abstract Many processes used across, for example the cosmetics, pharmaceutical, food and chemical industries involve two‐phase liquid–liquid interactions. The quality of liquid–liquid emulsification systems may be related to the droplet size distribution. The population balance equation (PBE) can be used as a modellin…
Transplantation of cell sheets including an intact extracellular matrix is one tissue-engineering strategy for tissue regeneration. Temperature-responsive substrates based on poly(N-isopropylacrylamide) (PNIPAAm) have been used to harvest intact cell sheets by temperature change. In this work, we immobilized PNIPAAm o…
A facile, convenient, and multicomponent coupling strategy for the synthesis of highly functionalized pyrroles is developed using graphite as a catalyst, but devoid of moisture-sensitive metal catalysts and corrosive acidic reagents. This method involves four-component coupling reactions of ethyl acetoacetate compound…
Oxygen production in an economic way is critical to oxy-firing combustion, a carbon capture technology. Oxygen-deficient oxides have been used for absorption of oxygen from air and desorption of oxygen in recycled flue gas for oxy-firing combustion. Cuprous/cupric oxide equilibrium with alumina can be used as an alter…
Abstract Highly conjugated dinuclear Ru complexes bridged by a novel N2–N3 ligand were synthesized. The dinuclear Ru complexes were active toward photoredox-mediated catalytic sulfide oxygenation via proton-coupled oxidation in neutral conditions. Various control experiments have shown that both dinuclear motif and li…
The paper deals with the wear behaviour of the newly developed composite reinforced with a novel ceramic composite. The wear study is made through pin-on-disc wear test under three loads, namely 20, 40 and 60 N for a sliding distance of 2·52 km. Al colliery shale (CS) composite has shown excellent wear resistance comp…
The phase transition in CuCrO2 to an ordered magnetic state is studied with bulk measurements and elastic and inelastic neutron scattering techniques. The reported onset of spontaneous electric polarization at T = 23.5 K coincides with the appearance, on cooling, of elastic magnetic scattering. At higher temperatures…
We investigate the influence of addition of hydrophilic and amphiphilic polymer on percolation behavior and micellar interactions in AOT-based water-in-oil droplet microemulsions. We focus on two series of samples having constant molar water to surfactant ratio W = 20 and constant droplet volume fraction Φ = 30%, resp…
In this paper, the Goos–Hanchen shift (GHS) at the interface between air and the aluminum zinc oxide (AZO)/ZnO hyperbolic metamaterial (AZO-HMM) is theoretically examined. The results herein show that AZO-HMM can enhance the GHS at the interface to a value at 3 orders of the incident wavelength under special condition…
A novel hemoglobin (Hb) electrode modified with Au nanorods (AuNRs) and graphene oxide sheets (GOs) coated by polydopamine (Pdop) (GOs@Pdop) was fabricated and used for highly selective and sensitive determination of nitrite (NO2−) and hydrogen peroxide (H2O2). The electrochemical characteristics of the sensor were st…
Polygonatum verticillatum has traditionally been used for various purposes. The present study was aimed to validate the antispasmodic and antidiarrheal properties of crude methanolic extract of rhizomes of P. verticillatum (PR). Isolated rabbit jejunum preparations were suspended in tissue baths to measure the isotoni…
Optical triggering of high-voltage (18 kV-class) 4H-SiC thyristors with a single amplification step (pilot thyristor) is reported. It is demonstrated that the switch-on processes in such high-voltage structures are quite different from the switch-on processes in 12 kV 4H-SiC thyristors. In particular, the switch-on pr…
The ResD response regulator activates transcription of diverse genes in Bacillus subtilis in response to oxygen limitation. ResD regulon genes that are the most highly induced during nitrate respiration include the nitrite reductase operon (nasDEF) and the flavohemoglobin gene (hmp), whose products function in nitric…
A micromechanically based model is used to describe the mechanical behaviour of polyethylene terephthalate (PET) under uniaxial compression up to large strains and at different temperatures. The creep behaviour of isotropic PET is simulated and compared to experimental data to demonstrate the applicability of the mode…
p-Channel heterostructure field effect transistors (HFETs) have recently attracted increasing interest. They open up the possibility of fabricating nitride-based low-power complementary logic for operation in environments not accessible to other semiconductors. To date, several publications have dealt with DC data of…
Hydroxymethylfurfural (HMF) is viewed as a potential platform material to make a variety of chemicals and products out of renewable resources. In this work, a complete ionic liquid reaction and separation process is presented for nearly stoichiometric conversion of fructose into HMF. The silicalite adsorbent material…
Future plasmonic integrated circuits with the capability of extremely high-speed data processing at optical frequencies will be dominated by the efficient optical emission (excitation) from (of) plasmonic waveguides. Towards this goal, plasmonic nanoantennas, currently a hot topic in the field of plasmonics, have pote…
Fibrin-polyurethane composite scaffolds support chondrogenesis of human mesenchymal stem cells (hMSCs) derived from bone marrow and due to their robust mechanical properties allow mechanical loading in dynamic bioreactors, which has been shown to increase the chondrogenic differentiation of MSCs through the transformi…
Anisotropic microarchitectures with different physicochemical properties have been developed as advanced materials for challenging industrial and biomedical applications including switchable displays, multiplexed biosensors and bioassays, spatially-controlled drug delivery systems, and tissue engineering scaffolds. In…
Die Seidenstraße: Mit Seidenfibroin als Kleber zwischen Graphenoxidfilmen und Aluminiumfolie für eine einfache, stark lokalisierte Reduktion wurde das leitfähige Papier neu erfunden. Die flexiblen, robusten Biographenpapiere sind sehr belastbar und haben eine hohe elektrische Leitfähigkeit. Auf dem hier beschriebenen…