Kil Sik Min、Thomas Weyhermüller、Karl Wieghardt2003-12-18Dalton Transactions
The potentially tridentate ligand 2-(8-aminoquinolino)-4,6-di-tert-butylphenol, H[1LAP], has been synthesized and its coordination chemistry with Mn(IV), Fe(III), and Co(III) has been investigated by X-ray crystallography, electro- and magnetochemistry, electronic, Mossbauer and EPR spectroscopies. The following compl…
Metal complexes synthesis and propertiesMagnetism in coordination complexesMetal-Catalyzed Oxygenation Mechanisms
Fen Xu、Yi Xie、Xu Zhang 等 6 位作者2003-12-18Inorganic Chemistry
In this paper we describe the large-scale synthesis of inorganic fullerene-like (IF-like) hexagonal boron nitride with vessel, hollow sphere, peanut, and onion structures by reacting BBr(3) with the synergic nitrogen sources NaNH(2) and NH(4)Cl at 400-450 degrees C for 6-12 h. The composition of products could be conf…
Graphene research and applicationsFullerene Chemistry and ApplicationsBoron and Carbon Nanomaterials Research
Andrew E. Whitten、Birger Dittrich、Mark A. Spackman 等 5 位作者2003-12-18Dalton Transactions
High-resolution X-ray diffraction data have been collected on the cubic polymorph of antimony(III) oxide (senarmontite) to determine the charge distribution in the crystal. The results are in quantitative agreement with crystal Hartree-Fock calculations for this polymorph, and have been compared with theoretical calcu…
Crystallography and molecular interactionsCrystal Structures and PropertiesX-ray Diffraction in Crystallography
Ana F. Nogueira、Luis F. O. Furtado、André Luiz Barboza Formiga 等 6 位作者2003-12-18Inorganic Chemistry
Modification of wide band gap semiconductor surfaces by a new generation of supramolecular sensitizers combining porphyrin and ruthenium-polypyridyl complexes leads to versatile molecular interfaces, allowing the exploitation of photoinduced charge transfer in photoelectrochemical devices.
TiO2 Photocatalysis and Solar CellsPorphyrin and Phthalocyanine ChemistryAnalytical Chemistry and Sensors
Hong‐Lin Lee、George C. Chen、Roger M. Rowell2003-12-18Journal of Applied Polymer Science
Abstract The objective of this research was to improve the fire‐retardant properties of wood in one treatment using a phosphorus pentoxide–amine system. Phosphorus pentoxide and 16 amines including alkyl, halophenyl, and phenyl amines were compounded in N,N ‐dimethylformamide and the resulting solutions containing pho…
Lignin and Wood ChemistryFire dynamics and safety researchFlame retardant materials and properties
Hongbo Li、L. James Lee、David L. Tomasko2003-12-18Industrial & Engineering Chemistry Research
Supercritical CO 2 is a promising solvent for application in polymer blending and foaming. Interfacial tension is a key parameter in determining the bubble nucleation and growth rates, as well as droplet breakup in blending. However, very limited data are available in the literature for CO 2 −polymer systems. In this…
Polymer crystallization and propertiesPhase Equilibria and ThermodynamicsPolymer Foaming and Composites
Koray Yurekli、Alamgir Karim、Eric J. Amis 等 4 位作者2003-12-18Macromolecules
The influence of nanometer thick, highly anisotropic organically modified layered silicate (montmorillonite) on the phase behavior of deuterated polystyrene (dPS) and poly(vinyl methyl ether) (PVME) is investigated by a combination of small-angle neutron scattering (SANS) and a two-dimensional combinatorial method bas…
Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties
Juan F. Espinal、Alejandro Montoya、Fanor Mondragón 等 4 位作者2003-12-18The Journal of Physical Chemistry B
Reaction of CO with carbonaceous surfaces was investigated using B3LYP density functional theory level (DFT) with the 6-31G(d) basis set. It was found that CO can be adsorbed exothermically on the active sites of zigzag, armchair, and tip carbonaceous models to yield stable intermediates such as cyclic ether, carbonyl…
Carbon Nanotubes in CompositesGraphene research and applicationsFullerene Chemistry and Applications
Kenji Matsuda、Kohsuke Takayama、Masahiro Irie2003-12-18Inorganic Chemistry
Metal complexes composed of bidentate 1,2-bis(2-methyl-5-(4-pyridyl)-3-thienyl)perfluorocyclopentene (1a) and monodentate 1-(2-methyl-5-phenyl-3-thienyl)-2-(2-methyl-5-(4-pyridyl)-3-thienyl)perfluorocyclopentene (2a) photochromic ligands and M(hfac)(2) (M = Zn(II), Mn(II), and Cu(II)) were prepared, and their photoind…
Radical Photochemical ReactionsPorphyrin and Phthalocyanine ChemistryPhotochromic and Fluorescence Chemistry
Junpeng Deng、D.R. Davies、Goragot Wisedchaisri 等 6 位作者2003-12-18Acta Crystallographica Section D Biological Crystallography
Freezing of purified protein drops directly in liquid nitrogen is a convenient technique for the long-term storage of protein samples. Although this enhances reproducibility in follow-up crystallization experiments, some protein samples are not amenable to this technique. It has been discovered that plunging PCR tubes…
Protein Structure and DynamicsEnzyme Structure and FunctionMolecular Biology Techniques and Applications
Siqin Zhaorigetu、Noriyuki Yanaka、Masahiro Sasaki 等 5 位作者2003-12-18PubMed
This study was conducted to assess protective effect of an antioxidant protein, sericin, on tumor promotion in the 7,12-dimethylbenz (alpha) anthracene (DMBA)-initiated and 12-O-tetradecanoylphorbol 13-acetate (TPA)-promoted mouse skin tumorigenesis model. In experiment 1, sericin was applied topically to DMBA-initiat…
Protein Hydrolysis and Bioactive PeptidesSilk-based biomaterials and applicationsPhytochemical compounds biological activities
Yun Luo、Sung Kyun Lee、H. Hofmeister 等 5 位作者2003-12-18Nano Letters
Large-scale fabrication of platinum (Pt) nanoshell tubes has been accomplished via a simple and convenient method: porous templates are wetted at ambient conditions with a polymer/Pt precursor solution. Annealing yields functionalized membranes having Pt-coated pore walls. Unsupported Pt nanoshell tubes are accessible…
Block Copolymer Self-AssemblyNanopore and Nanochannel Transport StudiesAnodic Oxide Films and Nanostructures
Stefano Lepri、Roberto Livi、Antonio Politi2003-12-18Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
In one and two dimensions, transport coefficients may diverge in the thermodynamic limit due to long-time correlation of the corresponding currents. The effective asymptotic behavior is addressed with reference to the problem of heat transport in one-dimensional crystals, modeled by chains of classical nonlinear oscil…
Thermal properties of materialsAdvanced Thermodynamics and Statistical MechanicsThermal Radiation and Cooling Technologies
Sergei G. Kazarian、K. L. Andrew Chan2003-12-18Macromolecules
A novel application of FTIR imaging to study polymers subjected to high-pressure CO 2 was demonstrated. FTIR images of polymer blends under high-pressure CO 2 were obtained in situ using a single reflection ATR diamond accessory combined with a high-pressure cell. Two systems, a polystyrene (PS)/poly(vinyl methyl ethe…
Phase Equilibria and ThermodynamicsInjection Molding Process and PropertiesPolymer Foaming and Composites
Lara A. Estroff、Lia Addadi、Steve Weiner 等 4 位作者2003-12-18Organic & Biomolecular Chemistry
The growth of calcite in an aqueous gel of was studied and the appearance of the crystals was found to change over time. Crystals removed from the gel at progressively longer times showed severely affected surfaces resulting from dissolution. If crystals were removed from the gel after 3.5 hours, at which point there…
Calcium Carbonate Crystallization and InhibitionSupramolecular Self-Assembly in MaterialsBone and Dental Protein Studies
Shu‐Ying Gu、Jie Ren、Qin‐Feng Wang2003-12-18Journal of Applied Polymer Science
Abstract The linear and nonlinear shear rheological behaviors of poly(propylene) (PP)/clay (organophilic‐montmorillonite) nanocomposites (PP/org‐MMT) were investigated by an ARES rheometer. The materials were prepared by melt intercalation with maleic anhydride functionalized PP as a compatibilizer. The storage moduli…
Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesRheology and Fluid Dynamics Studies
Yi Hua、B. Ceylan Akis、M. Engin Ayturk 等 6 位作者2003-12-18Industrial & Engineering Chemistry Research
The formation of the intermetallic diffusion barrier layer by the controlled in-situ oxidation method for Pd and Pd/alloy porous stainless steel composite membranes was investigated. SEM and EDS results showed the existence of an oxide layer as the intermetallic diffusion barrier for oxidation temperatures higher than…
High-Temperature Coating BehaviorsCopper Interconnects and ReliabilityNanoporous metals and alloys
Jinguo Wang、Mingliang Tian、Thomas E. Mallouk 等 4 位作者2003-12-18The Journal of Physical Chemistry B
Twinning is one of the most popular planar defects in nanocrystals, and it is frequently observed in face-centered cubic (fcc) structured metallic nanocrystals. In this study, copper, silver, and gold nanowires with diameters of 30−50 nm were prepared by electrochemical deposition in “track-etched” polycarbonate membr…
Metal and Thin Film MechanicsNanowire Synthesis and ApplicationsAnodic Oxide Films and Nanostructures
Georgina K. Such、Richard A. Evans、Lachlan H. Yee 等 4 位作者2003-12-18Journal of macromolecular science. Part C, Reviews in macromolecular chemistry and physics/Journal of macromolecular science. Reviews in macromolecular chemistry and physics
Photochromic polymeric materials have been commercialized in ophthalmic lenses, however, there are many other potential uses for this technology. The photochromic transitions are extremely sensitive to environmental conditions, thus offering the potential for modifying the kinetics to suit different applications. Ther…
Porphyrin and Phthalocyanine ChemistryPhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics research
Ursula Pieper2003-12-18Nucleic Acids Research
MODBASE (http://salilab.org/modbase) is a relational database of annotated comparative protein structure models for all available protein sequences matched to at least one known protein structure. The models are calculated by MODPIPE, an automated modeling pipeline that relies on the MODELLER package for fold assignme…
Protein Structure and DynamicsGlycosylation and Glycoproteins ResearchEnzyme Structure and Function