Materials Literature
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Hard-boiled eggs were coated with chitosan-lysozyme (CL), whey protein isolate (WPI), or Bake sheen (BS), inoculated with Listeria monocytogenes or Salmonella enterica Ser. Enteritidis at 10(4) CFU/g, and stored for 4 wk at 10 degrees C. Microbial populations were enumerated weekly. Two nonchallenge studies were also…
As a first step toward a successful field theory of Brownian particles in interaction, we study exactly the non-interacting case, its combinatorics and nonlinear time-reversal symmetry. Even though the particles do not interact, the field theory contains an interaction term: the vertex is the hallmark of the original…
Thin films of room temperature diluted magnetic oxides (DMO) of Co doped CeO 2 (Ce 0.97 Co 0.03 O 2−δ ) with a predominant orientation of (001) have been deposited on Al 2 O 3 (0001) substrates. An Ar + sputtering process has been applied to the as deposited films to investigate its effect on the films' ferromagnetic…
The ternary blends of high-density polyethylene (PE), EPDM terpolymer and polypropylene (PP) have been used as a model low interfacial tension system to study encapsulation dynamics in ternary blends and their relation to the blends' mechanical properties. It was found that the modulus, tensile strength and impact res…
Summary The injection of seawater into oil-bearing reservoirs to maintain reservoir pressure and improve secondary recovery is a well-established, mature operation. Moreover, the degree of risk posed by deposition of mineral scales to the injection and production wells during such operations has been much studied. The…
We predict unusual (for non-relativistic quantum mechanics) electron states in graphene, which are localized within a finite-width potential barrier. The density of localized states in the sufficiently high and/or wide graphene barrier exhibits a number of singularities at certain values of the energy. Such singularit…
A significant enhancement of photoluminescence from Eu3+ embedded in SiO2 matrix is observed by codoping with wide band-gap In2O3 nanoparticles. The enhanced photoluminescence characteristics are strongly influenced by the postannealing temperature and the In3+ concentration. Synchronous scanning photoluminescence tec…
Using a dynamic oblique angle deposition technique, we demonstrate the direct formation of Ag nanorods with quasi-parallel major axes on a template layer of oxide having a strongly anisotropic surface morphology. The optical properties of the nanorods are tuned by varying the deposition conditions without any pre- or…
The first synthesis of a chiral periodic mesoporous organosilica (PMO) carrying benzylic ether bridging groups is reported. By hydrolysis and condensation of the new designed chiral organosilica precursor 1,4-bis(triethoxysilyl)-2-(1-methoxyethyl)benzene (BTEMEB) in the presence of the non-ionic oligomeric surfactant…
A number of perovskites with A-site alkaline earth chemistries being Ca, Sr, and Ba, and tetravalent cations including Ce, Zr, and Ti are measured for optical band gap and found to vary systematically with tolerance factor and lattice volume within limits defined by the chemistry of the octahedral site. This paper als…
We present a theoretical analysis of the proximity effect at a graphene-superconductor interface. We use a tight-binding model for the electronic states in this system, which allows us to describe the interface at the microscopic level. Two different interface models are proposed: one in which the superconductor induc…
We generalize Berreman's model to the case qA > or = 1 , where q is the wave vector of the surface structure and A its amplitude, to describe the alignment induced by a solid surface on a nematic liquid crystal. We show that, by taking into account correctly the elastic contribution to the surface energy connected wit…
In this research work, electrically conductive paper composites were prepared from polypyrrole-engineered pulp fibres by two methods: (a) exclusively from such engineered fibres; and (b) from a mixture of the modified fibres and unmodified ones. Both composites were investigated for their conductivity and strength pro…
The Supplementary Material referred to in this article can be found online at http://www.interscience.wiley.com/jpages/0887-3585/suppmat/ Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should…
Abstract The electrical strength of a set of LDPE micro and nanocomposites with silica, laminar silicates and fibrous silicates has been studied. A significant 60% increase of the breakdown electrical field is shown by the microsized microdispersed LDPE/montmorillonite composites while only a 20% increase is obtained…
A modified polyol process is introduced for the production of single-crystal bismuth (Bi) nanowires with uniform diameters along each wire in relatively high yield. The appropriate amount of NaOH in the solution reacts with Bi(3+) to form water-soluble complexing ions BiO(2)(-). The tiny Bi nanoparticles formed at the…
We report calculations of the electronic structure and optical properties of orthorhombic SrI2. These were done using the Engel–Vosko generalized gradient approximation. We find that the dielectric function and refractive indices are almost isotropic in this noncubic material. This suggests that low cost nonconvention…
Taxol-Polylactid-Nanokonjugate wurden durch ortsspezifische, von einem Taxol-Metall-Komplex vermittelte Polymerisation von Lactid und anschließende Nanofällung erhalten (siehe Schema). Die Taxoleinschluss-Effizienz dieser Nanokonjugate beträgt fast 100 %, ihre Wirkstoffbeladung ist vorgegeben, sie haben einen Durchmes…
Three polyethylene oxide-polyurethane-polyethylene oxide (PEO-PU-PEO) block copolymers of variable PEO block size (MW 550, 2000, and 5000) were used to modify the surface of a conventional segmented polyurethane (PU) with the objective of inhibiting interactions with proteins. The surface-active copolymers were blende…
Abstract Phosphorus‐carbide, CP x (0.025 ≤ x ≤ 0.1), thin films have been synthesized by magnetron sputtering from pressed graphite–phosphorus targets. The films were characterized by X‐ray photoelectron spectroscopy, transmission electron microscopy and diffraction, and nanoindentation. CP 0.1 ex‐hibits C–P bonding i…