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Structural Change in Smectic Liquid Crystal Nanofilm under Molecular-Scale Confinement Measured by Synchrotron X-ray Diffraction

Shinya Nakano、Masashi Mizukami、Noboru Ohta 等 6 位作者2013-02-21Japanese Journal of Applied Physics

The determination of liquid structures under nanometer-scale confinement is important in advanced sciences and technologies. Synchrotron X-ray diffraction measurement was performed to investigate the structure of a smectic liquid crystal, 4-cyano-4'-octylbiphenyl (8CB), nanofilm (thickness: 1.7 ±0.5 nm) confined betwe…

Liquid Crystal Research AdvancementsPhotonic Crystals and ApplicationsForce Microscopy Techniques and Applications

Selective Synthesis of DOPA and DOPA Peptides by Native and Immobilized Tyrosinase in Organic Solvent

Giorgia Botta、Michela Delfino、Melissa Guazzaroni 等 6 位作者2013-02-21ChemPlusChem

Abstract 3,4‐Dihydroxyphenylalanine (DOPA)‐containing peptides and proteins provide attractive design paradigms for pharmaceutical applications and engineering of synthetic polymers. An efficient and selective route to DOPA peptides by oxidation of L‐tyrosine derivatives with tyrosinase is reported. The efficiency of…

Advanced Glycation End Products researchmelanin and skin pigmentationPhotochromic and Fluorescence Chemistry

Suppressing inflammation from inside out with novel NIR visible perfluorocarbon nanotheranostics

Jelena M. Janjic、Sravan Kumar Patel、Michael J. Patrick 等 6 位作者2013-02-21Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Highly innovative multimodal perfluorocarbon (PFC) nanoemulsions are presented. They serve simultaneously as dual-mode imaging reagents (NIR and 19F MRI), and drug delivery vehicles for water insoluble cyclooxgenase-2 (COX-2) inhibitors. These features qualify them as theranostic. Cancer progression and metastasis are…

Cancer, Hypoxia, and MetabolismNanoplatforms for cancer theranosticsLanthanide and Transition Metal Complexes

In-situ observation of fracture mechanism of wood–plastic composites in tension

Fatemeh Alavi、Amir Hossein Behravesh、Majid Mirzaei2013-02-21Composite Interfaces

This paper investigates the fracture mechanism of wood–plastic composites (WPCs) in tension utilizing a direct observation method. Several WPC specimens with various weight fractions (with and without coupling agent) were prepared via injection molding to create complex structures of irregular-shaped wood particles ra…

Mechanical Behavior of CompositesWood Treatment and PropertiesNatural Fiber Reinforced Composites

Localized Synthesis of Carbon Nanotube Films on Suspended Microstructures by Laser-Assisted Chemical Vapor Deposition

Yuanchao Li、Wenzhou Ruan、Zheyao Wang2013-02-21IEEE Transactions on Nanotechnology

A laser-assisted chemical vapor deposition (LCVD) method has been developed for in situ synthesis of carbon nanotube (CNT) films on suspended microstructures. Focused laser beams are used to heat locally the suspended microstructures with low thermal mass and low thermal dissipation to high temperatures for localized…

Carbon Nanotubes in CompositesDiamond and Carbon-based Materials ResearchNanowire Synthesis and Applications

A feature‐based anthropometry for garment industry

Iat‐Fai Leong、Jing‐Jing Fang、Ming‐June Tsai2013-02-21International Journal of Clothing Science and Technology

Purpose The purpose of this paper is to propose a method to automatically generate individualized body size measurements from cloud point of a body scanner. It aims to propose a fast, reliable, and unambiguous method to obtain human body measurements for use in the garment industry. Design/methodology/approach Based o…

Optical measurement and interference techniques3D Shape Modeling and AnalysisTextile materials and evaluations

A comparative study of the remodeling and integration of a novel AuNP‐tissue scaffold and commercial tissue scaffolds in a porcine model

Sheila A. Grant、Corey R. Deeken、Shari R Hamilton 等 6 位作者2013-02-21Journal of Biomedical Materials Research Part A

The extracellular matrices of a variety of human and animal tissues have been utilized as scaffold materials for soft tissue applications including hernia repair, dermal grafts, and tendon, ligament, and cartilage reconstruction. While these biological scaffolds are expected to demonstrate superior tissue integration,…

Bone Tissue Engineering MaterialsElectrospun Nanofibers in Biomedical ApplicationsTissue Engineering and Regenerative Medicine

Synthesis and Structure of a HgCl2 Coordination Polymer With 1,4-Bis(benzimidazole-1-yl-methylene)benzene (bbmb)

Yuqing Chen、Chunguang Chen、Hong Chen 等 7 位作者2013-02-21Synthesis and Reactivity in Inorganic Metal-Organic and Nano-Metal Chemistry

In this study, solution reaction of mercury dichloride with organic multifunctional ligand 1,4-bis(benzimidazole-1-yl-methylene)benzene generated a 1D polymer [HgCl2 (bbmb)·2H2O ·CH3OH]n 1, and the crystal structure has been determined (C46H60Cl4Hg2N8O10), Mr = 1428.00, a = 14.703(15) Å, b = 17.248(17) Å, c = 14.91(2)…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesSynthesis and Characterization of Heterocyclic Compounds

Influence of Ultraviolet Light on Photocatalytic TiO2 Materials

Shannon Hanson、P J Tikalsky2013-02-21Journal of Materials in Civil Engineering

NOx gases affect the diurnal rise and fall of tropospheric ozone. By removing NOx gases through the use of titanium dioxide (TiO2) photocatalytic materials, tropospheric ozone concentrations could be reduced. Recent developments related to the photocatalytic pollution reduction capabilities of TiO2 have led a movement…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesCatalytic Processes in Materials Science

HOT CORROSION BEHAVIOR OF A (NiCoCrAlYSiB+AlSiY) COMPOSITE COATING

Xuyang LU、Daqian YU、Sumeng JIANG 等 6 位作者2013-02-21Acta Metallurgica Sinica

Two kinds of the coatings, the conventional NiCoCrAlYSiB coating and the composite coating (NiCoCrAlYSiB+AlSiY), were prepared using arc ion plating (AIP) on the Ni base single crystal superalloy substrate.Comparative studies of the hot corrosion behaviors of the substrate and two different coatings in Na 2 SO 4 + K 2…

Advanced ceramic materials synthesisHigh-Temperature Coating BehaviorsAdvanced materials and composites

Synthesis, structure, and spectroscopy of two benzil-based α-diimine ligands and their palladium(II) complexes

Miles Kubota、Daniel Covarrubias、Cameron R. Pye 等 5 位作者2013-02-21Journal of Coordination Chemistry

Two α-diimine ligands were prepared in 60–70% yield via p-toluenesulfonic acid-catalyzed condensation reactions from benzil with 4-bromoaniline and with p-anisidine. Palladium(II) complexes were prepared from both ligands in 70–80% yield. X-ray structures were obtained for the ligand prepared from p-anisidine and its…

Organometallic Complex Synthesis and CatalysisMetal complexes synthesis and propertiesMagnetism in coordination complexes

The dispersed sporeRetusotriletes loboziakiisp. nov., affiliated with the enigmatic Late Devonian algaProtosalviniaDawson 1884

Abigail Rooney、Geoff Clayton、Robbie Goodhue2013-02-21Palynology

The miospore Retusotriletes loboziakii sp. nov. is described from rocks containing the problematic algae Protosalvinia spp. from two localities in eastern Kentucky, USA. Both sections are from the Upper Devonian (Famennian) Ohio Shale Formation. Single, dispersed specimens of Retusotriletes loboziakii sp. nov. are mor…

Paleontology and Stratigraphy of FossilsMarine and coastal plant biologyDiatoms and Algae Research

Comment on ``Dense and nanometric electronic excitations induced by swift heavy ions in an ionic CaF 2 crystal: Evidence for two thresholds of damage creation''

G. Szenes2013-02-21Physical Review B

Systematic experiments on irradiation damage in CaF${}_{2}$ were reported in a recent paper [M. Toulemonde et al., Phys. Rev. B 85, 054112 (2012)]. The measurements were performed in a broad range of ion energies and energy deposition and the inelastic thermal spike model was applied for the analysis. Here we demonstr…

Electron and X-Ray Spectroscopy TechniquesIon-surface interactions and analysisIntegrated Circuits and Semiconductor Failure Analysis

Reducing the writing field of L1-FePt by graded order parameter

Zhihong Lu、Junbo Guo、Zhanghua Gan 等 7 位作者2013-02-21Journal of Applied Physics

The dependence of the magnetic properties of epitaxial Fe50Pt50 films on order parameter (S) was investigated. It was demonstrated that the magnetic anisotropy could be tuned by controlling S which can be controlled by the growth temperature. Based on this result, two kinds of multilayered structures, each with a 13 n…

Magnetic properties of thin filmsMetallic Glasses and Amorphous AlloysMagnetic Properties and Applications

Amphiphilic Interpenetrating Polymer Networks for the Oral Delivery of Chemotherapeutics

Cody A. Schoener、Heather N. Hutson、Nicholas A. Peppas2013-02-21AIChE Journal

New interpenetrating polymer networks (IPNs) composed of hydrophilic, pH‐responsive poly(methacrylic‐grafted‐ethylene glycol), and hydrophobic poly(n‐butyl acrylate) were formed for the oral delivery of chemotherapeutics. These amphiphilic IPNs were synthesized to express variations in swelling and hydrophobic propert…

Nanoparticle-Based Drug DeliveryHydrogels: synthesis, properties, applicationsAdvanced Drug Delivery Systems

An oxorhenium(V) Schiff-base complex: synthesis, structure, spectroscopic characterization, electrochemistry, and DFT calculations

Smita Majumder、Jnan Prakash Naskar、Snehasis Banerjee 等 6 位作者2013-02-21Journal of Coordination Chemistry

Reaction of the Schiff base 2-[(2-hydroxyethylimino)methyl]phenol (H2L) with trans-ReOCl3(PPh3)2 in 1 : 1 M ratio in dichloromethane gives [ReOCl2(HL)(PPh3)] (1) in substantial yield. The compound has been characterized by C, H, and N microanalyses, IR, UV-Vis, 1H NMR, and ESI-MS spectra. The X-ray crystal structure o…

Metal complexes synthesis and propertiesCorrosion Behavior and InhibitionRadiopharmaceutical Chemistry and Applications

The Effect of pH Value on Phase Transformation of Calcium Phosphate Cement

Hsin‐Chung Cheng、Kuo‐Tien Chu、Nai‐Cia Teng 等 6 位作者2013-02-21International Journal of Applied Ceramic Technology

The effects of various pH values of sodium phosphate buffer solution (PBS), 4.0, 6.0, 8.0, and 9.0 on calcium phosphate cement (CPC) prepared by mixing monocalcium phosphate monohydrate (MCPM), calcium carbonate, and PBS were studied. The phase evolution takes place in three steps: Firstly, the MCPM and calcium carbon…

Bone Tissue Engineering MaterialsMagnesium Oxide Properties and ApplicationsMaterials Engineering and Processing

Investigation of the phase diagram of selenium by means of Raman spectroscopy

L. Properzi、A. Polian、P. Munsch 等 4 位作者2013-02-21High Pressure Research

We report a detailed and systematic Raman scattering investigation of the high pressure - high temperature (350–620 K, 0–20 GPa) phase diagram of elemental selenium starting from its trigonal structure (Se-I). Phase transitions to the tetragonal Se-VII phase were identified by the measured Raman pattern along several…

High-pressure geophysics and materialsCrystal Structures and PropertiesChemical Thermodynamics and Molecular Structure

Molecular design and stabilization mechanism of acrylonitrile bipolymer

Anqi Ju、Shanyi Guang、Hongyao Xu2013-02-21Journal of Applied Polymer Science

Abstract In order to replace terpolymer with bipolymer, a bifunctional comonomer 3‐aminocarbonyl‐3‐butenoic acid methyl ester (ABM) was synthesized for preparing poly(acrylonitrile‐co‐3‐aminocarbonyl‐3‐butenoic acid methyl ester) [P(AN‐co‐ABM)] bipolymers as carbon fiber precursor. The structure and stabilization of P…

Polymer crystallization and propertiesFiber-reinforced polymer compositesSynthesis and properties of polymers

The electrocatalytic behavior of electrodeposited Ni–Mo–P alloy films towards ethanol electrooxidation

H.B. Hassan、Z. Abdel Hamid2013-02-21Surface and Interface Analysis

ABSTRACT Ternary Ni–Mo–P thin films have been electrodeposited from citrate‐based electrolyte onto graphite substrates for application as anode catalysts for ethanol electrooxidation. The operating deposition parameters were optimized to produce Ni–Mo–P alloy films of outstanding catalytic activity. The phase structur…

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationElectrodeposition and Electroless Coatings