Shigeharu Takiya2005-01-19Nucleic Acids Research
The predicted transcriptional regulatory factor for the fibroin gene of the silkworm Bombyx mori, fibroin-modulator-binding protein-1 (FMBP-1), was purified by sequential DNA affinity column chromatography, and cDNA clones corresponding to FMBP-1 were isolated from a library. The N-terminal half of FMBP-1 has a weak s…
Neurobiology and Insect Physiology ResearchInsect Resistance and GeneticsSilk-based biomaterials and applications
C. Platteau、J. Lefebvre、S. Hémon 等 6 位作者2005-01-19Acta Crystallographica Section B Structural Science
From pure powders of forms I and II of phenobarbital, X-ray diffraction patterns were recorded at room temperature. The starting crystal structural models were found by a Monte-Carlo simulated annealing method. The structures of the two forms were obtained through Rietveld refinements. Soft restraints were applied on…
Crystallography and molecular interactionsChemical Synthesis and CharacterizationX-ray Diffraction in Crystallography
Asiloé J. Mora、Edward E. Ávila、Gerzón E. Delgado 等 5 位作者2005-01-19Acta Crystallographica Section B Structural Science
A temperature-controlled X-ray powder diffraction experiment, complemented with TGA and DSC analysis, allowed us to follow changes in the molecular conformation and hydrogen-bond patterns of 4-piperidinecarboxylic acid. The presence of three phases is confirmed. Phase 1 represents the monohydrated form of 4-piperidine…
Crystallography and molecular interactionsX-ray Diffraction in CrystallographyPolymer Synthesis and Characterization
Yali Ji、Wengang Li、Jinghong Ma 等 4 位作者2005-01-19Macromolecular Rapid Communications
Abstract Summary: A novel approach of in situ polymerization and in situ compatibilization was adopted to prepare poly(2,6‐dimethyl‐1,4‐phenylene oxide) (PPO) and polyamide 6 (PA6) nanoblends. Anionic ring‐opening polymerization of ε ‐caprolactam was carried out in the presence of PPO, the chain of which bore p ‐metho…
Polymer crystallization and propertiesConducting polymers and applicationsbiodegradable polymer synthesis and properties
G. Yatsenko、E. J. Sambriski、M. G. Guenza2005-01-19The Journal of Chemical Physics
We present a theoretical approach which maps polymer blends onto mixtures of soft-colloidal particles. The analytical mesoscale pair correlation functions reproduce well data from united atom molecular dynamics simulations of polyolefin mixtures without fitting parameters. The theory exactly recovers the analytical ex…
Material Dynamics and PropertiesBlock Copolymer Self-AssemblyElectrostatics and Colloid Interactions
Martin U. Schmidt、M. Ermrich、Robert E. Dinnebier2005-01-19Acta Crystallographica Section B Structural Science
The violet pigment methylbenzimidazolonodioxazine, C22H12Cl2N6O4 (systematic name: 6,14-dichloro-3,11-dimethyl-1,3,9,11-tetrahydro-5,13-dioxa-7,15-diazadiimidazo-[4,5-b:4',5'-m]pentacene-2,10-dione), shows an X-ray powder diagram consisting of only ca 12 broad peaks. Indexing was not possible. The structure was solved…
Crystallography and molecular interactionsX-ray Diffraction in CrystallographyPigment Synthesis and Properties
D.W. Hamby、D.A. Lucca、M.J. Klopfstein2005-01-19Journal of Applied Physics
The effects of mechanical polishing on the photoluminescence (PL) from each polar face of wurtzite-structure ZnO are presented. Differences observed for the 4.2K PL of a mechanically polished surface when compared to that of a chemomechanically polished surface include broadened bound-exciton peaks, hot-exciton lumine…
ZnO doping and propertiesGa2O3 and related materialsElectronic and Structural Properties of Oxides
М. Н. Попова、С. А. Климин、E. P. Chukalina 等 8 位作者2005-01-19Physical Review B
High-resolution spectroscopy of ${\mathrm{Nd}}^{3+}$ in ${\mathrm{Nd}}_{2}\mathrm{Ba}\mathrm{Ni}{\mathrm{O}}_{5}$ and ${\mathrm{Y}}_{2}\mathrm{Ba}\mathrm{Ni}{\mathrm{O}}_{5}:\mathrm{Nd}(5%)$ powder samples is used to study ${\mathrm{Nd}}^{3+}$ crystal-field levels and exchange splittings in these quasi-one-dimensional…
Magnetic and transport properties of perovskites and related materialsRare-earth and actinide compoundsAdvanced Condensed Matter Physics
Daniel Bratton、Malcolm Brown、Steven M. Howdle2005-01-19Macromolecules
The synthesis of biodegradable polyesters for biomedical applications in supercritical dioxide has been the subject of a number of recent publications. However, systematic studies of the mechanism of polymerization in this novel medium are rare. In this work, we present the first systematic study of the ring-opening p…
biodegradable polymer synthesis and propertiesCarbon dioxide utilization in catalysisPolymer Foaming and Composites
Francisco A. Dias Filho、Luís D. Carlos、Younes Messadeq 等 4 位作者2005-01-19Langmuir
The interaction between metaphosphate chains and the metal ions Ca2+ and Eu3+ has been studied in water by Eu3+ luminescence, infrared absorption, and 31P NMR spectroscopy. Two main families of sites could be identified for the metal ions in the aqueous polyphosphate colloidal systems: (1) cagelike sites provided by t…
Luminescence Properties of Advanced MaterialsRadioactive element chemistry and processingLanthanide and Transition Metal Complexes
Sérgio Luiz de Assis、Sizue Ota Rogero、Renato Altobelli Antunes 等 5 位作者2005-01-19Journal of Biomedical Materials Research Part B Applied Biomaterials
In this study, the in vitro corrosion resistance of a superferritic stainless steel in naturally aerated Hank's solution at 37 degrees C has been determined to evaluate the steel for use as a biomaterial. The potentiodynamic polarization method and electrochemical impedance spectroscopy (EIS) were used to determine th…
Orthopaedic implants and arthroplastyHydrogen embrittlement and corrosion behaviors in metalsTitanium Alloys Microstructure and Properties
Stefan Schelm、Geoffrey B. Smith2005-01-19The Journal of Physical Chemistry B
The internal field patterns for gold shells filled with the same material as the surrounding medium are calculated with Mie theory and in the quasistatic approximation and their properties compared to the response of homogeneous spheres and metallic rings. One major difference between the sphere and shell case is that…
Gold and Silver Nanoparticles Synthesis and ApplicationsPlasmonic and Surface Plasmon ResearchSurface and Thin Film Phenomena
Julien Parvole、Gaël Laruelle、Abdel Khoukh 等 4 位作者2005-01-19Macromolecular Chemistry and Physics
Abstract Summary: Hybrid silica‐particles comprising an inorganic core and an organic polymer shell have been synthesized by nitroxide mediated polymerization of butyl acrylate in the presence of a grafted alkoxyamine. The layer of initiator molecules attached to the surface of silica is based on an acyclic β ‐phospho…
Advanced Polymer Synthesis and CharacterizationPolymer Surface Interaction StudiesRadioactive element chemistry and processing
Haijun Zhou、Yang Zhang2005-01-19Physical Review Letters
Spider capture silk is a biomaterial with both high strength and high elasticity, but the structural design principle underlying these remarkable properties is still unknown. It was revealed recently by atomic force microscopy that an exponential force-extension relationship holds both for capture silk mesostructures…
Force Microscopy Techniques and ApplicationsSilk-based biomaterials and applicationsBiochemical and Structural Characterization
Sabine Schlecht、Songting Tan、Maelcele Yosef 等 7 位作者2005-01-19Chemistry of Materials
Linear arrays of quantum dots are predicted to show localization effects for light traveling along the linear dimension quite similar to the case of the Anderson localization phenomenon known for electron transport. A basic requirement is to have stable arrays of such quantum dots at hand that might be incorporated in…
Quantum Dots Synthesis And PropertiesConducting polymers and applicationsMolecular Junctions and Nanostructures
Tie Jun Cui、Qiang Cheng、Wei Lu 等 5 位作者2005-01-19Physical Review B
It is well known that a left-handed-medium (LHM) slab with negative permittivit1y $\ensuremath{-}{ϵ}_{0}$ and negative permeability $\ensuremath{-}{\ensuremath{\mu}}_{0}$ in the free space can be made as a perfect lens [J. B. Pendry, Phys. Rev. Lett. 85, 3966 (2000)], which produces a perfect image of the excitation c…
Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchOrbital Angular Momentum in Optics
Hexiang Yan、Guohua Tian、Kang Sun 等 5 位作者2005-01-19Journal of Polymer Science Part B Polymer Physics
Abstract The effects of filler loading and a new silane coupling agent 3‐octanoylthio‐1‐ propyltriethoxysilane (NXT silane) on the polymer‐filler interaction and mechanical properties of silica‐filled and carbon black‐filled natural rubber (NR) compounds were studied. Silica (high dispersion silica7000GR, VN2, and VN3…
Polymer Nanocomposites and PropertiesTribology and Wear AnalysisPolymer Nanocomposite Synthesis and Irradiation
W. Ruland、Bernd M. Smarsly2005-01-19Journal of Applied Crystallography
In a recent paper [Ruland & Smarsly (2002). J. Appl. Cryst. 35 , 624–633], an advanced method for the evaluation of the small-angle X-ray scattering (SAXS) from oriented lamellar systems was presented. In the present work, a comparable method is developed for the study of oriented cylinder arrays. Basic difference…
Photonic Crystals and ApplicationsMesoporous Materials and CatalysisIron oxide chemistry and applications
Hiroki Yamauchi、Ganapathy Senthil Murugan、Yasutake Ohishi2005-01-19Journal of Applied Physics
Optical spectroscopic properties of Er3+ and Tm3+ ions in a tellurite glass, TeO2-BaO-SrO-Nb2O5 (TBSN), were investigated for C- and S-band optical amplifications. On the basis of consideration for cross relaxation among Tm3+ ions and multiphonon relaxation, it was shown that the presence of Nb2O5, which was a source…
Luminescence Properties of Advanced MaterialsGlass properties and applicationsSolid State Laser Technologies
Vicente Durán、Jesús Láncis、Enrique Tajahuerce 等 4 位作者2005-01-19Journal of Applied Physics
Optical transmittance of a 90-twisted nematic liquid crystal cell inserted between crossed or parallel polarizers is neither sensitive to the molecular twist sense nor to the exchange between the extraordinary and the ordinary birefringence axis at the input face of the cell. In this article, the equivalence between a…
Liquid Crystal Research AdvancementsMolecular spectroscopy and chiralityDiverse Scientific and Engineering Research