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Effect of post-deposition heat treatment on electrodeposited NiCoCrAlY coatings

L. Z. Zhang、B. Bates、Yifei Zhang2016-07-05Surface Engineering

An electrolytic process was utilised to fabricate NiCoCrAlY coatings, involving deposition of a composite coating consisting of the (Ni,Co) matrix and CrAlY particles, followed by a diffusion heat treatment to convert the composite coating to the desired NiCoCrAlY microstructure. This study focused on the effects of t…

Corrosion Behavior and InhibitionHigh-Temperature Coating BehaviorsElectrodeposition and Electroless Coatings

Emissive Heterobimetallic Copper(I) Dicyanoaurate‐Based Coordination Polymers

Jeffrey S. Ovens、Daniel B. Leznoff2016-07-05ChemPlusChem

Abstract Five new CuI/[Au(CN)2]−‐based coordination polymer materials—Cu(py)2[Au(CN)2] (1), Cu(PPh3)(MeCN)[Au(CN)2]⋅MeCN (2 a), Cu(PPh3)(MeCN)[Au(CN)2] (2 b), Cu3(THT)4[Au(CN)2]3 (3 a) and Cu(THT)[Au(CN)2] (3 b)—were prepared and characterized in terms of their structural and photoluminescence properties, and thermal…

Metal-Organic Frameworks: Synthesis and ApplicationsMetal complexes synthesis and propertiesMagnetism in coordination complexes

Preparation and Catalytic Activity Comparison of Porous NiO, Co3O4 and NiCo2O4 Superstructures on the Thermal Decomposition of Ammonium Perchlorate

Jian-Guo Wang、Lina Jin、Xinye Qian 等 4 位作者2016-07-05Journal of Nanoscience and Nanotechnology

Porous NiO, Co 3O 4 and NiCo2O4 superstructures were successfully prepared via a facile hydrothermal-annealing method. The products were characterized by powder X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM) and energy dispersive spectrometry (EDS). The Brunauer-Emmett-Teller surface area…

Energetic Materials and CombustionThermal and Kinetic Analysis

Activation of Platinum(IV) Prodrugs By Motexafin Gadolinium as a Redox Mediator

Grégory Thiabaud、Rebecca McCall、Guangan He 等 6 位作者2016-07-05Angewandte Chemie

Abstract Water‐soluble platinum(IV) prodrugs, which proved kinetically stable to reduction in the presence of physiological concentration of ascorbate, were quickly reduced to their active form, oxaliplatin, when co‐incubated with a macrocycle metallotexaphyrin (i.e., Motexafin Gadolinium (MGd)). The reduction of PtIV…

Metal complexes synthesis and propertiesAdvanced biosensing and bioanalysis techniquesPorphyrin and Phthalocyanine Chemistry

Inorganic Nano Light‐Emitting Transistor: p‐Type Porous Silicon Nanowire/n‐Type ZnO Nanofilm

Sang Hoon Lee、Jong‐Woo Kim、Tae Il Lee 等 4 位作者2016-07-05Small

An inorganic nano light-emitting transistor (INLET) consisting of p-type porous Si nanowires (PoSiNWs) and an n-type ZnO nanofilm was integrated on a heavily doped p-type Si substrate with a thermally grown SiO2 layer. To verify that modulation of the Fermi level of the PoSiNWs is key for switchable light emitting, I-…

Semiconductor materials and devicesSilicon Nanostructures and PhotoluminescenceNanowire Synthesis and Applications

Metal Coordination Stoichiometry Controlled Formation of Linear and Hyperbranched Supramolecular Polymers

Cuiling Lin、Luonan Xu、Li‐Bo Huang 等 10 位作者2016-07-05Macromolecular Rapid Communications

Controlling the topologies of polymers is a hot topic in polymer chemistry because the physical and/or chemical properties of polymers are determined (at least partially) by their topologies. This study exploits the host-guest interactions between dibenzo-24-crown-8 and secondary ammonium salts and metal coordination…

Metal-Organic Frameworks: Synthesis and ApplicationsLuminescence and Fluorescent MaterialsDendrimers and Hyperbranched Polymers

Spatial atomic layer deposition of ZnO/TiO2 nanolaminates

Rong Chen、Jilong Lin、Wenjie He 等 7 位作者2016-07-05Journal of Vacuum Science & Technology A Vacuum Surfaces and Films

Spatial atomic layer deposition (S-ALD) is a potential high-throughput manufacturing technique offering fast and large scale ultrathin films deposition. Here, an S-ALD system with modular injectors is introduced for fabricating binary oxides and their nanolaminates. By optimizing the deposition conditions, both ZnO an…

ZnO doping and propertiesSemiconductor materials and devicesElectronic and Structural Properties of Oxides

Crude Oil Fouling Deposition, Suppression, Removal, and Consolidation—and How to Tell the Difference

Emilio Díaz-Bejarano、Francesco Coletti、Sandro Macchietto2016-07-05Heat Transfer Engineering

Crude oil fouling on heat transfer surfaces is often described as the result of two competing mechanisms: a deposition and a deposition-offsetting mechanism. There is uncertainty about whether the offsetting mechanism is suppression (due inhibition of attachment or back-diffusion of foulant from near the wall into the…

Fluid Dynamics and MixingCalcium Carbonate Crystallization and InhibitionPetroleum Processing and Analysis

Surface-Anchored Poly(N-isopropylacrylamide) Orthogonal Gradient Networks

C. K. Pandiyarajan、Michael Rubinstein、Jan Genzer2016-07-05Macromolecules

We present a versatile synthetic route leading toward generating surface-attached polyacrylamide gels, in which the cross-link density varies continuously and gradually across the substrate in two orthogonal directions. We employ free radical polymerization to synthesize random copolymers comprising ∼5% of photoactive…

Bone Tissue Engineering MaterialsHydrogels: synthesis, properties, applicationsPolymer Surface Interaction Studies

Teaching the Concept of Gibbs Energy Minimization through Its Application to Phase-Equilibrium Calculation

Romain Privat、Jean‐Noël Jaubert、Etienne Berger 等 7 位作者2016-07-05Journal of Chemical Education

Robust and fast methods for chemical or multiphase equilibrium calculation are routinely needed by chemical-process engineers working on sizing or simulation aspects. Yet, while industrial applications essentially require calculation tools capable of discriminating between stable and nonstable states and converging to…

Phase Equilibria and ThermodynamicsProcess Optimization and IntegrationCrystallization and Solubility Studies

A theoretical interpretation of the main scrape-off layer heat-flux width scaling for tokamak inner-wall limited plasmas

Federico David Halpern、J. Horáček、R.A. Pitts 等 4 位作者2016-07-05Plasma Physics and Controlled Fusion

Abstract The International Tokamak Physics Activity Topical Group on scrape-off layer and divertor physics has amassed a database comprising hundreds of reciprocating Langmuir probe measurements of the main scrape-off layer heat-flux width λ q in inner-wall limited discharges. We have carried out an analysis, based on…

Ionosphere and magnetosphere dynamicsMagnetic confinement fusion researchFusion materials and technologies

Single-molecule Force Spectroscopy Reveals the Calcium Dependence of the Alternative Conformations in the Native State of a βγ-Crystallin Protein

Zackary N. Scholl、Qing Li、Weitao Yang 等 4 位作者2016-07-05Journal of Biological Chemistry

Although multidomain proteins predominate the proteome of all organisms and are expected to display complex folding behaviors and significantly greater structural dynamics as compared with single-domain proteins, their conformational heterogeneity and its impact on their interaction with ligands are poorly understood…

Protein Structure and DynamicsForce Microscopy Techniques and ApplicationsEnzyme Structure and Function

Microstructural Analysis of Orientation-Dependent Recovery and Recrystallization in a Modified 9Cr-1Mo Steel Deformed by Compression at a High Strain Rate

Zhenbo Zhang、Yubin Zhang、O.V. Mishin 等 6 位作者2016-07-05Metallurgical and Materials Transactions A

Abstract The evolution of the microstructure and texture during annealing of a modified ferritic/martensitic 9Cr-1Mo steel compressed by dynamic plastic deformation (DPD) to a strain of 2.3 has been investigated using transmission electron microscopy and electron backscatter diffraction. It is found that the duplex 〈1…

Microstructure and mechanical propertiesMicrostructure and Mechanical Properties of SteelsHigh Temperature Alloys and Creep

A Dewetting-Induced Assembly Strategy for Precisely Patterning Organic Single Crystals in OFETs

Xiaonan Kan、Chengyi Xiao、Xinmeng Li 等 8 位作者2016-07-05ACS Applied Materials & Interfaces

Simple methods for patterning single crystals are critical to fully realize their applications in electronics. However, traditional vapor and solution methods are deficient in terms of crystals with random spatial and quality distributions. In this work, we report a dewetting-induced assembly strategy for obtaining la…

Organic Electronics and PhotovoltaicsAdvanced Memory and Neural ComputingBlock Copolymer Self-Assembly

Effects and Location of Coplanar and Noncoplanar PCB in a Lipid Bilayer: A Solid-State NMR Study

Christian Totland、Willy Nerdal、Signe Steinkopf2016-07-05Environmental Science & Technology

Coplanar and noncoplanar polychlorinated biphenyls (PCBs) are known to have different routes and degree of toxicity. Here, the effects of noncoplanar PCB 52 and coplanar PCB 77 present at 2 mol % in a model system consisting of POPC liposomes (50% hydrated) are investigated by solid-state (13)C and (31)P NMR at 298 K.…

Luminescence and Fluorescent MaterialsAdvanced NMR Techniques and ApplicationsNMR spectroscopy and applications

Carbon Nanotube Functionalization Decreases Osteogenic Differentiation in Aluminum Oxide Reinforced Ultrahigh Molecular Weight Polyethylene

Anup Kumar Patel、Pramanshu Trivedi、Kantesh Balani2016-07-05ACS Biomaterials Science & Engineering

Ultrahigh molecular weight polyethylene (UHMWPE) is one of the most preferred materials as an acetabular cup-liner for bone implant applications. The current work develops a correlation between wettability, protein adsorption with osteogenic differentiation upon reinforcement of functionalized carbon nanotube (f-CNT)…

Bone Tissue Engineering MaterialsOrthopaedic implants and arthroplastybiodegradable polymer synthesis and properties

Effect of laser shock peening on aluminium alloy laser-welds

Guifang Sun、Xiaoying Fang、Zhe Tong 等 5 位作者2016-07-05Surface Engineering

Effects of laser shock peening (LSP) on laser-welded aluminium alloy joints filling Al + 1.0 wt-% CeO 2 were investigated. Porosity ratio, microstructure, residual stress, hardness, tensile strength and fracture morphology were evaluated. Double-side LSP decreased the porosity ratio, refined microstructure, relieved t…

High Entropy Alloys StudiesSurface Treatment and Residual StressMaterial Properties and Applications

In-vivo absorption of pinocembrin-7-O-β-D-glucoside in rats and its in-vitro biotransformation

Weiwei Guo、Feng Qiu、Xiao-Qing Chen 等 6 位作者2016-07-05Scientific Reports

Pinocembrin-7-O-β-D-glucoside (PCBG), a flavonoid isolated from Penthorum chinense Pursh., has significant liver-protecting effects. The pharmacokinetics of PCBG and its major metabolite pinocembrin (PCB) in rats were investigated in this study. A sensitive and accurate UPLC-MS/MS method was developed and validated fo…

Phytochemistry and Biological ActivitiesChromatography in Natural ProductsPhytochemistry and Bioactive Compounds

Spontaneous wettability patterning via creasing instability

Dayong Chen、Gareth H. McKinley、Robert E. Cohen2016-07-05Proceedings of the National Academy of Sciences

Surfaces with patterned wettability contrast are important in industrial applications such as heat transfer, water collection, and particle separation. Traditional methods of fabricating such surfaces rely on microfabrication technologies, which are only applicable to certain substrates and are difficult to scale up a…

Surface Modification and SuperhydrophobicityAdvanced Sensor and Energy Harvesting MaterialsNanomaterials and Printing Technologies