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Crystal structure of human SH3BGRL protein: The first structure of the human SH3BGR family representing a novel class of thioredoxin fold proteins

Lei Yin、Ye Xiang、De‐Yu Zhu 等 7 位作者2005-08-03Proteins Structure Function and Bioinformatics

The human SH3BGRL (h-SH3BGRL) gene is a member of the human SH3BGR family.1, 2 The human SH3BGR (SH3 binding glutamic acid-rich) gene was cloned and characterized in 1997 in an effort to identify new genes located to chromosome 21. After the characterization of SH3BGR, three novel human genes, h-SH3BGRL, h-SH3BGRL2, a…

Protein Structure and DynamicsEnzyme Structure and FunctionRedox biology and oxidative stress

Recovery of Gallic Acid with Colloidal Gas Aphrons (CGA)

Giorgia Spigno、Paula Jauregi2005-08-03International Journal of Food Engineering

In the present paper the potential application of colloidal gas aphrons (CGA) to the recovery of antioxidants from wine-making waste extracts is investigated. CGA were generated by stirring a buffered solution (400 ml) of a cationic surfactant(cetyltrimethylammonium bromide, CTAB) at 8000 rpm for 10 minutes. Trials we…

Mesoporous Materials and Catalysis

Synthesis, Characterisation and Nonlinear Optical Properties of Two‐Dimensional Octupolar Systems Based on Phthalocyanine Compounds

Maurizio Quintiliani、Eva M. García‐Frutos、Andreas Gouloumis 等 8 位作者2005-08-03European Journal of Organic Chemistry

Abstract Four phthalocyanine‐based compounds with pseudo D 3 h symmetry have been synthesised and fully characterised. Palladium cross‐coupling methodologies were employed in order to synthesise 1,3,5‐tris[(phthalocyaninyl)ethenyl]benzene (Heck) and 1,3,5‐tris[(phthalocyaninyl)ethynyl]benzene (Sonogashira) derivatives…

Magnetism in coordination complexesPorphyrin and Phthalocyanine ChemistryNonlinear Optical Materials Research

Crystal Structure of the Bacterial YhcH Protein Indicates a Role in Sialic Acid Catabolism

A. Teplyakov、Galina Obmolova、John Toedt 等 5 位作者2005-08-03Journal of Bacteriology

The yhcH gene is part of the nan operon in bacteria that encodes proteins involved in sialic acid catabolism. Determination of the crystal structure of YhcH from Haemophilus influenzae was undertaken as part of a structural genomics effort in order to assist with the functional assignment of the protein. The structure…

Genomics and Phylogenetic StudiesGlycosylation and Glycoproteins ResearchEnzyme Structure and Function

Thermal and electrical transport properties ofAg−In−Ybquasicrystals: An experimental study

Y. K. Kuo、K. Sivakumar、Hsiao-Ching Lai 等 6 位作者2005-08-03Physical Review B

The thermal and electrical transport properties, including electrical resistivity $(\ensuremath{\rho})$, thermopower $(S)$, and thermal conductivity $(\ensuremath{\kappa})$ of ${\mathrm{Ag}}_{42}{\mathrm{In}}_{42}{\mathrm{Yb}}_{16}$, ${\mathrm{Ag}}_{42.25}{\mathrm{In}}_{42.25}{\mathrm{Yb}}_{15.5}$, and ${\mathrm{Ag}}_…

Quasicrystal Structures and PropertiesX-ray Diffraction in CrystallographyMineralogy and Gemology Studies

Structural evaluation of radially expandable cardiovascular stents encased in a polyurethane film

Steve Trigwell、S. De、Rajesh Sharma 等 5 位作者2005-08-03Journal of Biomedical Materials Research Part B Applied Biomaterials

A method of encasing cardiovascular stents with an expandable polyurethane coating has been developed to provide a smooth homogeneous inner wall allowing for a confluent growth of endothelial cells. In this design, the metal wire stent structure is completely covered by the polyurethane film, minimizing biocorrosion o…

Metal and Thin Film MechanicsElectrospun Nanofibers in Biomedical ApplicationsPolymer Nanocomposite Synthesis and Irradiation

Stationary and modulated absorption spectroscopy of copper phthalocyanine (CuPc) layers grown on transparent substrate

Michał Wojdyła、Beata Derkowska‐Zielinska、Mateusz Rebarz 等 5 位作者2005-08-03Journal of Optics A Pure and Applied Optics

Copper phthalocyanine thin films grown on glass and quartz substrates by the thermal evaporation method were investigated using stationary and modulated photoabsorption as well as photoreflectance spectroscopy. The stationary and modulated studies at room temperature were performed in the wavelength range 200–1200 nm…

Organic Electronics and PhotovoltaicsPorphyrin and Phthalocyanine ChemistryPhotochemistry and Electron Transfer Studies

The role of calcium in the conformational dynamics and thermal stability of the D‐galactose/D‐glucose‐binding protein from Escherichia coli

Petr Heřman、Jaroslav Večeř、Ivan Barvı́k 等 9 位作者2005-08-03Proteins Structure Function and Bioinformatics

We have characterized stability and conformational dynamics of the calcium depleted D-galactose/D-glucose-binding protein (GGBP) from Escherichia coli. The structural stability of the protein was investigated by steady state and time resolved fluorescence, and far-UV circular dichroism in the temperature range from 20…

Protein Structure and DynamicsEnzyme Structure and FunctionDiet, Metabolism, and Disease

Novel Polymers to Study the Influence of the Azobenzene Content on the Photo‐Induced Surface Relief Grating Formation

Volker Börger、Olga Kuliskovska、Kati G.‐Hubmann 等 6 位作者2005-08-03Macromolecular Chemistry and Physics

Abstract Summary: The influence of the azobenzene concentration on the photo‐induced surface relief grating (SRG) formation in polymer films was investigated. Two series of polymers with 4‐alkoxy‐4′‐cyanoazobenzene side groups were synthesized. In series A, the degree of substitution was varied, while in series B, azo…

Liquid Crystal Research AdvancementsForce Microscopy Techniques and ApplicationsOptical Coatings and Gratings

Direct observation of a fully strained dead layer at Ba0.7Sr0.3TiO3∕SrRuO3 interface

Jiaqing He、Enrique Vasco、Chun‐Lin Jia 等 4 位作者2005-08-03Applied Physics Letters

Epitaxial SrRuO3∕Ba0.7Sr0.3TiO3 (BST)/SrRuO3 thin film capacitors were prepared on SrTiO3 substrates by pulsed laser deposition. The structures of stacked BST films with different thicknesses were investigated by transmission electron microscopy. A distinctive layer of about 3nm of thickness was identified within BST…

Ferroelectric and Piezoelectric MaterialsSemiconductor materials and devicesElectronic and Structural Properties of Oxides

Melt amination of polypropylenes

Qi Wei Lu、Christopher W. Macosko、J. Horrion2005-08-03Journal of Polymer Science Part A Polymer Chemistry

Abstract Amine (primary and secondary) functional polypropylenes were prepared by the melt blending of maleated polypropylenes with small diamines, including hexamethylenediamine (primary–primary diamine), p ‐xylylenediamine (primary–primary diamine), and N ‐hexylethylenediamine (primary–secondary diamine), at various…

Polymer crystallization and propertiesFuel Cells and Related MaterialsPolymer Nanocomposites and Properties

Methylated and pegylated PLA–PCL–PLA block copolymers via the chemical modification of di‐hydroxy PCL combined with the ring opening polymerization of lactide

Ming‐Hsi Huang、Jean Coudane、Suming Li 等 4 位作者2005-08-03Journal of Polymer Science Part A Polymer Chemistry

Abstract Methylated and pegylated poly(lactide)‐ block ‐poly(ε‐caprolactone)‐ block ‐poly(lactide) copolymers, PLA–P(CL‐ co ‐CLCH 3 )–PLA and PLA–P(CL‐ co ‐CLPEG)–PLA, were prepared in three steps: combining the formation of carbanion‐bearing dihydroxylated‐PCL, the coupling of iodomethane or bromoacetylated α‐hydroxy…

Bone Tissue Engineering Materialsbiodegradable polymer synthesis and propertiesGraphene and Nanomaterials Applications

Crystal Structure and Morphology of Poly(16‐hexadecalactone) Chain‐folded Lamellar Crystals

Eunju Kim、Hiroshi Uyama、Yoshiharu Doi 等 5 位作者2005-08-03Macromolecular Bioscience

Solution-grown, chain-folded lamellar crystals of poly(16-hexadecalactone) (PHDL) were crystallized isothermally from 1-hexanol at 70 degrees C. The morphology of lozenge-shaped crystals was studied by TEM and AFM. The lamellae are ca. 10 nm thick and the chains run orthogonal to the lamellar surface with folding alon…

Polymer Nanocomposites and Propertiesbiodegradable polymer synthesis and propertiesPolymer composites and self-healing

Nanoscale imaging of grain orientations and ferroelectric domains in (Bi1−xLax)4Ti3O12 films for ferroelectric memories

B. Yang、N. J. Park、Bo‐Hyun Seo 等 8 位作者2005-08-03Applied Physics Letters

We report results of nanoscopic investigation of grain crystallographic orientations and ferroelectric domains by electron backscatter diffraction (EBSD) technique and piezoresponse force microscope (PFM), respectively, in (Bi1−xLax)4Ti3O12 (BLT) films for ferroelectric semiconductor memories. It is demonstrated that…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsPhotorefractive and Nonlinear Optics

Micro-x-ray absorption near-edge structure imaging for detecting metallic Mn in GaN

Gema Martínez‐Criado、Andréa Somogyi、A. Homs 等 5 位作者2005-08-03Applied Physics Letters

In this study, we report the application of a synchrotron radiation microprobe to the analysis of Mn valencies in GaN. X-ray absorption near-edge structure (XANES) images taken around MnK-edge in fluorescence detection mode reveal the concentration of oxidation states of Mn centers. By fitting the XANES curve for each…

ZnO doping and propertiesGaN-based semiconductor devices and materialsMetal and Thin Film Mechanics

Morphology and mechanical properties of poly (phenylene sulfide)/isotactic polypropylene in situ microfibrillar blends

Hui Quan、Gan‐Ji Zhong、Zhong‐Ming Li 等 6 位作者2005-08-03Polymer Engineering and Science

Abstract The morphology and mechanical properties of the in situ microfibrillar blend based on isotactic polypropylene (iPP) and poly (phenylene sulfide) (PPS) were examined. The microfibrillar PPS/iPP blend was prepared through a slit‐die extrusion, hot stretching, and water quenching process. Morphological observati…

Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Alignment and analyses of MnBi∕Bi nanostructures

K. Kang、L. H. Lewis、A. R. Moodenbaugh2005-08-03Applied Physics Letters

A Mn5Bi95 alloy was rapidly solidified into a mixture of nanocrystalline Bi and metastable Bi(Mn). Heating the ribbons to temperature T=525K in a dc magnetic field causes formation and c-axis alignment of low-temperature phase (LTP) MnBi nanorods along the applied field direction. Nanorod alignment increases with incr…

Magnetic properties of thin filmsMagnetic Properties and ApplicationsMagnetic Properties of Alloys

Determination of the compatibility of NBR‐EPDM blends by an ultrasonic technique, modulated DSC, dynamic mechanical analysis, and atomic force microscopy

K. N. Pandey、D. K. Setua、G. N. Mathur2005-08-03Polymer Engineering and Science

Abstract In this study, the compatibility of immiscible binary blends of acrylonitrile‐co‐butadiene rubber (NBR) and ethylene proplylene diene rubber (EPDM) was characterized by various analytical techniques. Ultrasonic velocity measurements were conducted on solution blends of NBR and EPDM in various blend ratios as…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesPolymer Science and PVC

Numerical simulation of bubble growth in viscoelastic fluid with diffusion of dissolved foaming agent

Yasuhiko Otsuki、Toshitaka Kanai2005-08-03Polymer Engineering and Science

Abstract Viscoelastic simulations of bubble growth in polypropylene (PP) physical foaming were performed. A multimode Phan‐Thien Tanner (PTT) model was used to analyze the dynamic growth behavior of spherically symmetric bubbles with the diffusion of a foaming agent (CO 2 ). Changes in the dissolved foaming agent conc…

Polymer composites and self-healingInjection Molding Process and PropertiesPolymer Foaming and Composites

Ferromagnetic ordering in nanostructured Mn-doped InP

Pankaj Poddar、Yudhisthira Sahoo、H. Srikanth 等 4 位作者2005-08-03Applied Physics Letters

We report the observation of ferromagnetic ordering at 25K in a diluted magnetic semiconductor (DMS) nanoparticle system: In0.9Mn0.1P, sized 3nm. These particles were synthesized using a novel nanochemical technique without using any external surfactant. Structural and elemental characterizations established the occur…

Magnetic properties of thin filmsZnO doping and propertiesCopper-based nanomaterials and applications