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Multi‐Center vs. Two‐Center Bonding within the Hetero‐Polyanion in Eu2GaPt2 and its Prototype Ca2SiIr2

Rainer Pöttgen、Horst Borrmann、Yuri Grin2017-05-24Zeitschrift für anorganische und allgemeine Chemie

The compound Eu2GaPt2 was synthesized from the elements in a sealed tantalum tube. Its Ca2SiIr2‐type crystal structure was refined from single‐crystal X‐ray diffraction data: space group C2/c, a = 9.8775(6), b = 5.8621(6), c = 7.9677(5) Å, β = 102.257(4)°, RF = 0.039, 1344 observed reflections, and 25 variable paramet…

Rare-earth and actinide compoundsIron-based superconductors researchInorganic Chemistry and Materials

A Non-Enzymatic Glucose Sensor Based on Pd-Fe/Ti Nanocomposites

Chen Yang、Xiaolu Cui、Kai‐Li Wang 等 6 位作者2017-05-24International Journal of Electrochemical Science

A novel non-enzyme glucose sensor is constructed based on the three-dimensional Pd-Fe networks deposited on Ti substrates directly by a one-step chemical reduction method in aqueous solutions. Scanning electron microscopy (SEM) and energy-dispersive spectrometry (EDS) were used to characterize the as-synthesized nanop…

Advanced biosensing and bioanalysis techniquesElectrochemical sensors and biosensorsAdvanced Nanomaterials in Catalysis

Enhanced Lithium Storage Properties of Hierarchical MoS2-rGO Nanosheets

Yuan Yuan、Feifan Huang、Anqaing Pan 等 4 位作者2017-05-24International Journal of Electrochemical Science

Layered materials (e.g. MoS 2 and graphene oxides) with ordered two-dimensional channels for mass transfer are promising building blocks for energy storage devices. Herein, hierarchical MoS 2 -reduced graphene oxide nanosheets (notated as MoS 2 -rGO nanosheets) are produced by growing hierarchical MoS 2 nanosheets on…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationMXene and MAX Phase Materials

Evidence of Structure Sensitivity in the Fischer–Tropsch Reaction on Model Cobalt Nanoparticles by Time‐Resolved Chemical Transient Kinetics

Walter T. Ralston、Gérôme Melaet、Tommy Saephan 等 4 位作者2017-05-24Angewandte Chemie

Abstract The Fischer–Tropsch process, or the catalytic hydrogenation of carbon monoxide (CO), produces long chain hydrocarbons and offers an alternative to the use of crude oil for chemical feedstocks. The observed size dependence of cobalt (Co) catalysts for the Fischer–Tropsch reaction was studied with colloidally p…

Catalytic Processes in Materials ScienceCatalysts for Methane ReformingCatalysis for Biomass Conversion

Green Synthesis of Metallic and Carbon Nanostructures

R. Britto Hurtado、G. Calderón‐Ayala、M. Cortez-Valadez 等 5 位作者2017-05-24Nanomechanics

The technological and biomedical applications of low toxicity and eco-friendly organic compounds are nowadays increasingly attracting the attention of researchers in nanoscience, who are aiming for more biocompatible and nanostructured systems for their application in antineoplastic therapies. This study presents the…

Nanoparticles: synthesis and applicationsBotanical Research and Applications

Silver–graphene oxide based plasmonic spacer for surface plasmon-coupled fluorescence emission enhancements

Pradeep Kumar Badiya、Venkatesh Srinivasan、Sai Sathish Ramamurthy2017-05-24Materials Research Express

We report the application of single layered graphene oxide (SLGO) and silver decorated SLGO (Ag-SLGO) as plasmonic spacer material for obtaining enhanced fluorescence from a Rhodamine 6G (Rh6G) radiating dipole in a surface plasmon-coupled emission platform. To this end, we have decorated SLGO with biphasic silver nan…

Graphene research and applicationsCarbon and Quantum Dots ApplicationsGraphene and Nanomaterials Applications

Effect of pseudohalogen groups on the optical properties and the structures of diorganotin coordination compounds based on the flexible ligand 1,2,3,4‐tetra‐(4‐pyridyl)‐butane

Mostafa M. Amini、Ezzatollah Najafi、Hamid Saeidian 等 6 位作者2017-05-24Applied Organometallic Chemistry

To investigate the effect of pseudo‐halogen groups on the structure and optical properties of diorganotin(IV) coordination compounds the reaction of dimethyltin diisothiocyanate and dimethyltin dichloride with 1,2,3,4‐tetra‐ (4‐pyridyl)‐butane (TPB) were studied. The results of spectroscopic data and structural analys…

Thermal and Kinetic AnalysisOrganometallic Compounds Synthesis and CharacterizationChemical Thermodynamics and Molecular Structure

Machining of polymeric composites by means of abrasive water-jet technology

Miroslav Müller2017-05-24Engineering for Rural Development

The water-jet cutting technology represents an effective cutting tool for diverse materials. It is prospective in the area of composite materials, which represent a combination of a hard and a soft component. An advantage of the water-jet cutting is that the cut (the material) is not heat affected, namely at the polym…

Advanced machining processes and optimizationDiamond and Carbon-based Materials ResearchErosion and Abrasive Machining

Evaluation of acceptor selectivity of Lactococcus lactis ssp. lactis trehalose 6-phosphate phosphorylase in the reverse phosphorolysis and synthesis of a new sugar phosphate

Yodai Taguchi、Wataru Saburi、Ryozo Imai 等 4 位作者2017-05-24Bioscience Biotechnology and Biochemistry

Trehalose 6-phosphate phosphorylase (TrePP), a member of glycoside hydrolase family 65, catalyzes the reversible phosphorolysis of trehalose 6-phosphate (Tre6P) with inversion of the anomeric configuration to produce β-d-glucose 1-phosphate (β-Glc1P) and d-glucose 6-phosphate (Glc6P). TrePP in Lactococcus lactis ssp.…

Enzyme Structure and FunctionEnzyme Production and CharacterizationMicrobial Metabolites in Food Biotechnology

Electrochemical Evaluation of Co-Al Dual-doped LiMn2O4 Spinels Synthesized Via Hydrothermal Method

Chunrui Xu、Yunjiao Li、Hu Xu 等 7 位作者2017-05-24International Journal of Electrochemical Science

In order to improve the cycling performance of LiMn 2 O 4 -based cathode materials, the Co-Al dual-doped Li 1.088 Al 0.037 Co 0.028 Mn 1.847 O 4 cathode materials were prepared by hydrothermal method followed by heat treatment. XRD patterns reveal that the dual-doped Al and Co in spinel lithium manganese oxide does no…

Advancements in Battery MaterialsFerroelectric and Piezoelectric MaterialsAdvanced Battery Materials and Technologies

Fractional Josephson effect in nonuniformly strained graphene

Shu-Ping Lee、Debaleena Nandi、F. Marsiglio 等 4 位作者2017-05-24Physical review. B./Physical review. B

Nonuniform strain distributions in a graphene lattice can give rise to uniform pseudomagnetic fields and associated pseudo-Landau levels without breaking time-reversal symmetry. We demonstrate that by inducing superconductivity in a nonuniformly strained graphene sheet, the lowest pseudo-Landau levels split by a pairi…

Graphene research and applicationsQuantum and electron transport phenomenaTopological Materials and Phenomena

Er3+ Photoluminescence in Er2@C82 and Er2C2@C82 Metallofullerenes Elucidated by Density Functional Theory

Jian Wang、Yuan-yuan Zhao、Po‐Heng Lee 等 4 位作者2017-05-24Inorganic Chemistry

Metallofullerenes with two erbium atoms encapsulated in IPR C 82 cage isomers C s -6 (I), C 2 v -9 (II), and C 3 v -8 (III) were investigated using density functional theory. The calculations suggest that erbium atoms assume a trivalent state with Er (4f 11 ) valence electronic configuration in Er 2 @C 82 and Er 2 C 2…

Carbon Nanotubes in CompositesGraphene research and applicationsFullerene Chemistry and Applications

Quantum treatment of phonon scattering for modeling of three-dimensional atomistic transport

Y. Lee、Marc Bescond、Nicolas Cavassilas 等 7 位作者2017-05-24Physical review. B./Physical review. B

Based on the nonequilibrium Green's function formalism, we show a numerically efficient method to treat inelastic scattering in multidimensional atomistic codes. Using a simple rescaling approach, we detail the calculations of the lowest-order approximation (LOA) [Y. Lee et al., Phys. Rev. B 93, 205411 (2016)] series…

Advancements in Semiconductor Devices and Circuit DesignNanowire Synthesis and ApplicationsThermal properties of materials

Microemulsion Route for the Synthesis of Nano-Structured Catalytic Materials

Tajamal Hussain、Rabia Batool2017-05-24InTech eBooks

Owing to their unique properties, use of microemulsion‐based synthetic techniques for the generation of shape‐controlled nanocatalyst is an area of great current interest. Nanocatalysts of any specific shape, morphology, surface area, size, geometry, homogeneity and composition are widely being prepared using the soft…

Electrocatalysts for Energy ConversionCopper-based nanomaterials and applicationsNanomaterials for catalytic reactions

Wetting and dewetting processes in the axial retraction of liquid filaments

Pablo D. Ravazzoli、Ingrith Cuellar、Alejandro G. González 等 4 位作者2017-05-24Physical review. E

We study the hydrodynamic mechanisms involved in the motion of the contact line formed at the end region of a liquid filament laying on a planar and horizontal substrate. Since the flow develops under partially wetting conditions, the tip of the filament recedes and forms a bulged region (head) that subsequently devel…

Surface Modification and SuperhydrophobicityNanomaterials and Printing TechnologiesFluid Dynamics and Thin Films

Preparation-Dependent Orientation of Crystalline Ice Islands on Ag(111)

Sarah-Charlotta Heidorn、Karsten Lucht、Cord Bertram 等 4 位作者2017-05-24The Journal of Physical Chemistry B

We observe the transformation of fractal ice islands grown at 96 K to compact ones annealed at 118 K and compare those to compact islands grown directly at 118 K. The low-temperature grown islands form a four bilayer high wetting layer. The annealing causes a crystallization and reshaping of the islands and a substant…

Surface Modification and SuperhydrophobicityTheoretical and Computational Physicsnanoparticles nucleation surface interactions

The effect of carbon and polypropylene fibers on thermal shock resistance of the refractory castable

Valentin Antonovič、Jerzy Witek、Romualdas Mačiulaitis 等 5 位作者2017-05-24Journal of Civil Engineering and Management

This work investigates medium cement refractory castable with additives of carbon and polypropylene fibers. The peculiarities of microstructure changes in the fiber and castable matrix contact zone, channel formation, and changes of cold crushing strength of fiber additives, which have a refractory castable matrix und…

Concrete and Cement Materials ResearchAdvanced ceramic materials synthesisInnovative concrete reinforcement materials

Biomimetic Macroporous PCL Scaffolds for Ex Vivo Expansion of Cord Blood‐Derived CD34+ Cells with Feeder Cells Support

Xiuwei Pan、Qiong Sun、Yuanhao Zhang 等 7 位作者2017-05-24Macromolecular Bioscience

Ex vivo expansion of hematopoietic stem cells (HSCs) with most current methods can hardly satisfy clinical application requirement. While in vivo, HSCs efficiently self‐renew in niche where they interact with 3D extracellular matrix and stromal cells. Therefore, co‐cultures of CD34+ cells and mesenchyme stem cells der…

Nanoparticle-Based Drug DeliveryMesenchymal stem cell researchRNA Interference and Gene Delivery

Fabrication and Characterization of Carbon Fiber-Reinforced Nano-Hydroxyapatite/Polyamide46 Biocomposite for Bone Substitute

Zhennan Deng、Hongjuan Han、Jingyuan Yang 等 6 位作者2017-05-24Medical Science Monitor

BACKGROUND Ideal bone repair material should be of good biocompatibility and high bioactivity. Besides, their mechanical properties should be equivalent to those of natural bone. The objective of this study was to fabricate a novel biocomposite suitable for load-bearing bone defect repair. MATERIAL AND METHODS A novel…

Bone Tissue Engineering Materialsbiodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

Characterization of Aging Behavior of Butacene® Based Composite Propellants by Loss Factor Curves

Tijen Seyidoglu、Manfred A. Bohn2017-05-24Propellants Explosives Pyrotechnics

Abstract Butacene® is a polymeric binder with ferrocenyl groups chemically bonded to HTPB backbone. Through incorporation in the AP−Al composite propellant formulation, it leads to high burning rates (BR) >20 mm/s at 7 MPa, and low pressure exponents n<0.5, allowing more flexibility to the rocket design, keeping the c…

Polymer Nanocomposites and PropertiesEnergetic Materials and CombustionThermal and Kinetic Analysis