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Electrostatically controlled isolation of debundled single-walled carbon nanotubes from nanoplatelet dispersant

Xi Zhang、Hung‐Jue Sue、Riichi Nishimura2012-01-01Journal of Materials Chemistry

Individually dispersed single-walled carbon nanotubes (SWCNTs) were isolated and stabilized from electrostatically tethered nanoplatelets in aqueous solution, following nanoplatelet-assisted exfoliation. SWCNT isolation was achieved by precipitating nanoplatelets with cations and by concurrent usage of appropriate sur…

Carbon Nanotubes in CompositesNanopore and Nanochannel Transport StudiesNanotechnology research and applications

Converse-piezoelectric effect on current-voltage characteristics of symmetric ferroelectric tunnel junctions

XiaoYan Lu、Wenwu Cao、Wenhua Jiang 等 4 位作者2012-01-01Journal of Applied Physics

Current-voltage characteristics of symmetric ferroelectric tunnel junction were studied in an ultrathin ferroelectric barrier with the consideration of the thickness and strain dependent converse-piezoelectric effect. With proper boundary conditions, large piezoelectric strain can be achieved in the ferroelectric barr…

Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesElectronic and Structural Properties of Oxides

The Application of Basalt Fiber in Building Materials

Rui Hong Wu2012-01-01Advanced materials research

As a new building materials, mechanical properties﹑physical properties and chemical properties of basalt fibers are studied in the paper. Compared with other building materials, the basalt fibers have better tensile strength than the E-glass fibers, greater failure strain than the carbon fibers as well as good resista…

Natural Fiber Reinforced Composites

Electrodeposition of Y2O3–Au composite coatings for SOFC interconnects:in situmonitoring of film growth by surface enhanced Raman spectroscopy

Benedetto Bozzini、Elisabetta Tondo、Patrizio Raffa 等 4 位作者2012-01-01Transactions of the IMF

In this paper, the authors report in situ surface enhanced Raman spectroscopy (SERS) experiments carried out during the electrochemical deposition of Y2O3/Au from chloride salts dissolved in hydroalcoholic solutions containing chitosan as a binder. This composite was recently proposed by the authors as an electronical…

Electrocatalysts for Energy ConversionCopper-based nanomaterials and applicationsElectronic and Structural Properties of Oxides

Tautomerism in 11-Hydroxyaklavinone: A DFT Study

Selcuk Gumus2012-01-01The Scientific World JOURNAL

The antharquinone-based chromophore of 11-hydroxyaklavinone is present in the structure of an anticancer agent, daunomycin. On the other hand, aklavinone is the parent aglycone of certain anthracycline antibiotics that possess anti-cancer activity too. The structures of aklavinone and its 11-hydroxy derivative have ma…

Magnetism in coordination complexesLanthanide and Transition Metal ComplexesElectron Spin Resonance Studies

Patient selection and preparation strategies for the use of contrast material in patients with chronic kidney disease

Poul Erik Andersen2012-01-01World Journal of Radiology

The prevalence of chronic kidney disease and peripheral arterial disease is increasing. Thus, it is increasingly problematic to image these patients as the number of patients needing a vascular examination is increasing accordingly. In high-risk patients with impaired kidney function, intravascular administration of i…

Advanced MRI Techniques and ApplicationsAcute Kidney Injury ResearchLanthanide and Transition Metal Complexes

Developments in Simulating Built up Edge Formation in Steel Machining

T.H.C. Childs2012-01-01Procedia CIRP

A Johnson-Cook type damage law, with pressure and temperature coefficients from published literature, is applied to simulations of carbon steel chip formation in general engineering built up edge (bue) conditions. Secondary shear zone damage and strain-rate contours are predicted with incipient bue appearance. The mod…

Advanced machining processes and optimizationAdvanced Surface Polishing TechniquesHigh-Velocity Impact and Material Behavior

Alteration of Bacterial Cellulose Properties by Diacetylglycerol

Myrtha Karina、Lucia Indrarti、Rike Yudianti 等 5 位作者2012-01-01Procedia Chemistry

Bacterial cellulose (BC) was altered by means of 0.5-2.5% w/v diacetylglycerol in acetone-water through impregnation process provided DGBC composites. Results from the scanning electron microscope images, revealed that diacetylglycerol filled the pores of BC, leads to the significant enhanced in hydrophilicity and cau…

Biofuel production and bioconversionAdvanced Cellulose Research StudiesLignin and Wood Chemistry

Fabrication of Composite Material Using Gettou Fiber by Injection Molding

Roy Setsuda、Isao Fukumoto、Yasuyuki KANDA2012-01-01Journal of Solid Mechanics and Materials Engineering

This study investigated the mechanical properties of composite using gettou (shell ginger) fiber as reinforcement fabricated from injection molding. Gettou fiber is a natural fiber made from gettou, a subtropical plant that is largely abundant in Okinawa, Japan. We used the stem part of gettou plant and made the getto…

Polymer Nanocomposites and PropertiesNatural Fiber Reinforced CompositesInnovations in Concrete and Construction Materials

Structural Modification of a Lamellar Solid by Thermal Treatment. Effect on the Cd and Pb Adsorptions from Aqueous Solution

Susana Yamila Martínez Stagnaro、Mônica Rueda、C. Volzone 等 4 位作者2012-01-01Procedia Materials Science

The clay minerals, lamellar solids of aluminum silicate hydrate of layer structure, present physical and chemical properties that are attractive for applications in different industries. These materials represent a promising option to achieve retention of certain contaminants present in the aqueous solution, due to th…

Clay minerals and soil interactions

The locally polar smectic A phase in V-shaped molecules

E‐Joon Choi、Eun-Chol Kim、Sang‐Byung Park 等 6 位作者2012-01-01Journal of Materials Chemistry

For focusing on the polar smectic A phase derived from the V-shaped molecules, bent-core molecules with an acute-angled central core (Ar = 1,2-phenylene or 2,3-naphthylene) and a lateral halogen substituent (X = F or Cl) were synthesized. Their mesomorphic properties were investigated by DSC, polarizing microscopy, X-…

Liquid Crystal Research AdvancementsSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence Chemistry

A Perspective on Materials Databases

Stephen W. Freiman、John Rumble2012-01-01Data Science Journal

The CODATA Data Science Journal is a peer-reviewed, open access, electronic journal, publishing papers on the management, dissemination, use and reuse of research data and databases across all research domains, including science, technology, the humanities and the arts. The scope of the journal includes desc…

Machine Learning in Materials Science

Evaluation of the Morphology and Osteogenic Potential ofTitania‐Based Electrospun Nanofibers

Xiaokun Wang、Jingxian Zhu、Ling Yin 等 7 位作者2012-01-01Journal of Nanomaterials

Submicron‐scale titania‐based ceramic fibers with various compositions have been prepared by electrospinning. The as‐prepared nanofibers were heat‐treated at 700°C for 3 h to obtain pure inorganic fiber meshes. The results show that the diameter and morphology of the nanofibers are affected by starting polymer concent…

Bone Tissue Engineering MaterialsElectrospun Nanofibers in Biomedical ApplicationsPolymer Nanocomposite Synthesis and Irradiation

Experimental Studies on Epoxy-Amine System Using Microwave and Conventional Curing Approaches

Tao Sun、Xin Chang、Jian Wei Lai2012-01-01Key engineering materials

In this present work attempts have been made to study the difference between microwave heating and conventional thermal heating in curing the epoxy-amine system of di-glycidyl ether bisphenol-A(DGEBA) with the curing agent of 4,4′Diamino diphenyl methane(DDM). Curing behaviors and mechanical properties of the system w…

Epoxy Resin Curing ProcessesSynthesis and properties of polymersMicrowave-Assisted Synthesis and Applications

Physical and Photochemical Properties of Macrocyclic Azobenzenes

Yasuo Norikane2012-01-01Journal of Photopolymer Science and Technology

Photoisomerization of azobenzene is a reversible photochemical reaction and has potential applications to reusable photo-functional materials. Azobenzenophane (macrocyclic azobenzene), possessing multiple azobenzene moieties in a macrocyclic molecular skeleton, have been of interest due to their unique strained struct…

Luminescence and Fluorescent MaterialsSupramolecular Self-Assembly in MaterialsPhotochromic and Fluorescence Chemistry

Photoluminescence enhancement induced from silver nanoparticles in Tb3+-doped glass ceramics

Gang Bi、Li Wang、Wei Xiong Wei Xiong 等 6 位作者2012-01-01Chinese Optics Letters

We experimentally verify that surface plasmon (SP) enhances the photoluminescence (PL) of visible light from Tb 3+ -doped 60SiO2-20Al2O3-20CaF2:0.3Tb 3+ , 20Yb 3+ glass ceramics by using electron beam lithography to fabricate silver nanoparticles on the surface of the glass ceramics. Numerical calculation for the SP e…

Luminescence Properties of Advanced MaterialsPhotonic Crystals and ApplicationsSolid State Laser Technologies

Magnetic Properties in Deformed Grain Oriented Electrical Steel: On the Role of Strain Hardening Exponent and Microstructural Developments

Satish Kumar Shekhawat、Basavaraj H. Vadavadagi、Vijay Hiwarkar 等 7 位作者2012-01-01ISIJ International

High permeability commercial CRGO, cold rolled grain oriented steel was subjected to uni-axial tensile strain in three principal orientations: (110) <001>, (110) <110> and (110)<111>. The samples exhibited remarkably different stress-strain behavior. The numerical values of the strain hardening exponent, n, largely de…

Microstructure and Mechanical Properties of SteelsMagnetic Properties and ApplicationsNon-Destructive Testing Techniques

Dynamic deformation and fragmentation response of maraging steel linear cellular alloy

Adam E. Jakus、David A. Fredenberg、Tammy McCoy 等 5 位作者2012-01-01AIP conference proceedings

The dynamic deformation and fragmentation response of 25% dense 9-cell linear cellular alloy (LCA) made of unaged 250 maraging steel, fabricated using a direct reduction and extrusion technique, is investigated. Explicit finite element simulations were implemented using AUTODYN finite element code. The maraging steel…

High-Velocity Impact and Material BehaviorPowder Metallurgy Techniques and MaterialsMetallurgy and Cultural Artifacts

Simultaneous determination of ten bioactive compaounds from the roots of Cynanchum paniculatum by using high performance liquid chromatography coupled-diode array detector

Choong Je、JinBae Weon、Bo-Ra Yun 等 5 位作者2012-01-01Pharmacognosy Magazine

BACKGROUND: Cynanchum paniculatum Kitagawa belongs to Asclepiadaceae and was used in traditional medicine to invigorate blood, alleviate edema, relieve pain, and relieve toxicity for a long time. OBJECTIVE: A novel and reliable high performance liquid chromatography coupled with diode array detector method has been es…

Phytochemistry and Biological ActivitiesPhytochemistry and Bioactive CompoundsPhytochemistry and Bioactivity Studies

Methods for Understanding the Interaction Between Nanoparticles and Cells

Pilar Rivera Gil、Martin J. D. Clift、Barbara Rothen‐Rutishauser 等 4 位作者2012-01-01Methods in molecular biology

A critical view of the current toxicological methods used in nanotechnology and their related techniques. Hereby, toxicological effects derived from the intracellular accumulation and uptake will be examined. Then advantages/disadvantages of these methods will be discussed. Additional analytical techniques necessary t…

Nanoparticles: synthesis and applicationsElectrochemical Analysis and ApplicationsGraphene and Nanomaterials Applications