Materials Literature
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Siliceous spicules of Baikal freshwater sponge Lubomirskia baicalensis contain several proteins, including silicateins. Analysis of a L. baicalensis cDNA library revealed four different mRNAs coding for proteins related to marine sponge silicatein α (α1, α2, α3, and α4). The intron-exon structure was determined forthe…
The effects of chirality and diameter on the electron transport properties of semiconducting, single wall, carbon nanotubes are explored by the Ensemble Monte Carlo method and an iterative solution of the Boltzmann’s transport equation. The results show that the effect of chirality is significant for small diameter tu…
Abstract Summary: A wide range of hyperbranched polymers (HBP) was synthesized and investigated as additives in cationic photopolymerization of epoxy systems. The HBP were inserted into the polymeric network either by a copolymerization or through a chain transfer reaction involving the phenolic hydroxyl groups. By va…
Extended abstract of a paper presented at Microscopy and Microanalysis 2007 in Ft. Lauderdale, Florida, USA, August 5 – August 9, 2007
Extended abstract of a paper presented at Microscopy and Microanalysis 2007 in Ft. Lauderdale, Florida, USA, August 5 – August 9, 2007
Various rare-earth-doped α-SiAlON powders with high purity were prepared to study mechanical and optical properties of SiAlON-based functional materials in connection with ionic radius and electronic structure of rare-earth elements. Single phase rare-earth-doped α-SiAlON powders were obtained at a temperature as low…
Abstract Summary: The structure‐directing effect of two amphiphilic dopants on the nucleation and growth mechanism during the formation of micro/ nanostructured polyaniline (PANI) and polyaniline‐clay nanocomposites (PANICNs) is described. PANIs and PANICNs were prepared by in‐situ intercalative emulsion polymerizatio…
The presented results of our galvanoluminescence (GL) measurements of oxide films formed by anodization of high purity aluminum samples annealed at 550 °C in inorganic electrolytes show that the sudden rise in the formation of γ alumina crystalline regions is strongly related to the appearance of GL. We have recorded…
Nanofibers have a large potential in air filtration applications, so this paper explores the performance of electrospun nanofiber membrane compared to traditional filtration fabrics. Poly (ethylene oxide) (PEO) and Polyvinyl Alcohol (PVA) were electrospun into nanofibrous membranes and analyzed their filtration attrib…
Extended abstract of a paper presented at Microscopy and Microanalysis 2007 in Ft. Lauderdale, Florida, USA, August 5 – August 9, 2007
Thin and thick cubic boron nitride (cBN) films were grown on nanodiamond (nanoD), using radio-frequency magnetron sputtering and plasma-enhanced chemical vapor deposition. The chemical composition of the cBN surface layer was nearly stoichiometric, which yielded an essentially pure cubic phase. The root-mean-square ro…
Abstract Summary: To create stable, adherent and reactive surface coatings, a hybrid polymer composed of poly(methylsilsesquioxane) (PMSSQ) and poly(pentafluorophenyl acrylate) PFPA with a M n of 32000 g/mol was prepared by a RAFT polymerization procedure. These hybrid polymer has been used for coating experiments. Th…
The liquid‐crystalline polymorphism of the homologous series of 4‐hexyloxybenzylidene‐4′‐alkyloxyanilines is investigated. Basing on the polarization microscopy (POM, TOA), the DSC calorimetry and miscibility studies the following mesophases were detected: nematic, smectic A, smectic C and smectic I. The phase diagram…
Article Fabrication of Lotus-type Porous NiTi Shape Memory Alloys using the Continuous Zone Melting Method and Tensile Property was published on August 1, 2007 in the journal High Temperature Materials and Processes (volume 26, issue 4).
A coordinated investigation of the magnetic and electrical properties of polycrystalline cobalt oxide compounds CdCoO 3 , Gd 0.9 Ba 0.1 CoO 3 , and Gd 0.9 Sr 0.1 CoO 3 is carried out. Undoped GdCoO 3 reveals a low conductivity; a magnetic moment of 7.4 μ B per molecule, which is less than the theoretical value for the…
Ti-doped WO 3 films were prepared by the mid-frequency dual-target magnetron sputtering method. The structure and electrochromic properties of the Ti-doped WO 3 films were analysed by X-Ray diffraction (XRD), Raman spectroscopy, spectrophotometer, cyclic chronoamperometry and atomic force microscopy (AFM). The results…
In the present study, the growth mechanism of poly (o-anisidine) (POA) with supporting electrolyte H2SO4 and HCL on platinum (Pt) substrate has been investigated. The POA films on Pt substrate have been synthesized by electrochemical polymerization (ECP) of o-anisidine under galvanostatic conditions from an aqueous so…
Due to high loading level and poor compatibility, magnesium hydroxide (MH) flame retardant polypropylene (PP) has poor processability and seriously deteriorated material performance. We adopted a novel processing technology, solid state shear milling (S3M) by using our self-designed pan-mill equipment, to prepare even…
We have developed a process to incorporate the model protein, bovine serum albumin (BSA), into the layered spacing of swelled mica. By a stepwise intercalation, the sodium form of synthetic fluorinated mica (Mica) was first exchanged with the poly(oxyalkylene)-diamine salts (POA-amine) through an ionic exchange reacti…
In this paper, the preparation of fine copper powder with chemical reduction method was investigated. Polyhedron nonagglomerated monodispersed copper powders by the reaction of CuSO4ldr5H2O and ascorbic acid were synthesized at pH 6~7 and reaction temperature of 60degC~70degC. It was also found by X-ray diffraction (X…