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Surface Curvature and Aminated Side-Chain Partitioning Affect Structure of Poly(oxonorbornenes) Attached to Planar Surfaces and Nanoparticles of Gold

Ali Rahnamoun、Alyssa R. Deline、Joanna Zienkiewicz 等 8 位作者2020-08-05Langmuir

Cationic amphiphilic polymers are often used to coat nanoparticles as they increase chemical stability in solution and exhibit membrane disruption activities. Among these, poly(oxonorbornenes) (PONs) are tunable membrane disruptors. They can be constructed with either one amine-terminated side chain and one hydrophobi…

Microplastics and Plastic PollutionPolymer Surface Interaction StudiesAntimicrobial agents and applications

Comment on “Study on Phase Equilibrium of the K+, Mg2+//Cl–, SO42– + H2O Quaternary System at 353.15 K and Its Application”

Wolfgang Voigt、Erich Königsberger2020-08-05Journal of Chemical & Engineering Data

ADVERTISEMENT RETURN TO ISSUEPREVComment/ReplyNEXTComment on "Study on Phase Equilibrium of the K+, Mg2+//Cl–, SO42– + H2O Quaternary System at 353.15 K and Its Application"Wolfgang Voigt*Wolfgang VoigtInstitut für Anorganische Chemie, TU Bergakademie Freiberg, Leipziger Straße 29, Freiberg 09596, Germany*Email: [emai…

Thermodynamic properties of mixturesCrystallization and Solubility StudiesChemical and Physical Properties in Aqueous Solutions

Proposal of Novel Icing Simulation Using a Hybrid Grid- and Particle-Based Method

Daiki Toba、Koji Fukudome、Hiroya Mamori 等 5 位作者2020-08-05Journal of Mechanics

ABSTRACT Icing on aircraft can drastically reduce aerodynamic performance and lead to serious accidents. Therefore, prediction of the accreted ice shape and area and its effects on aerodynamic performance is crucial during the design phase of an aircraft. However, numerical simulations based on conventional grid-based…

Surface Modification and SuperhydrophobicityCryospheric studies and observationsIcing and De-icing Technologies

On the maximum connective eccentricity index among k-connected graphs

Fazal Hayat2020-08-05Discrete Mathematics Algorithms and Applications

The connective eccentricity index (CEI for short) of a graph [Formula: see text] is defined as [Formula: see text], where [Formula: see text] is the degree of [Formula: see text] and [Formula: see text] is the eccentricity of [Formula: see text] in [Formula: see text]. In this paper, we characterize the unique graphs…

Graphene research and applicationsInterconnection Networks and SystemsGraph theory and applications

Optical Quality and Stimulated Emission of Molecular Beam Epitaxy Grown AlGaN in the Deep Ultraviolet

Xue Yin、Songrui Zhao2020-08-05physica status solidi (b)

In this work, the optical quality and stimulated emission of aluminum gallium nitride (AlGaN)/AlN double heterostructure grown by molecular beam epitaxy in the deep ultraviolet (UV) are reported. The room temperature internal quantum efficiency at a carrier density of 1 × 1018 cm−3 is around 12%, mainly limited by dis…

GaN-based semiconductor devices and materialsAcoustic Wave Resonator TechnologiesGa2O3 and related materials

Cold Forming of Al-TiB2 Composites Fabricated by SPS: A Computational Experimental Study

E. Priel、Nissim U. Navi、Brigit Mittelman 等 7 位作者2020-08-05Materials

The mechanical response and failure of Al-TiB2 composites fabricated by Spark Plasma Sintering (SPS) were investigated. The effective flow stress at room temperature for different TiB2 particle volume fractions between 0% and 15% was determined using compression experiments on cylindrical specimens in conjunction with…

Microstructure and mechanical propertiesAluminum Alloys Composites PropertiesHigh-Velocity Impact and Material Behavior

Structural analysis of interpenetrated methyl-modified MOF-5 and its gas-adsorption properties

Koh Sugamata、Daichi Yanagisawa、Keiko Awano 等 5 位作者2020-08-05Acta Crystallographica Section C Structural Chemistry

The first example of an interpenetrated methyl-modified MOF-5 with the formula Zn4O(DMBDC)3(DMF)2, where DMBDC2− is 2,5-dimethylbenzene-1,4-dicarboxylate and DMF is N,N-dimethylformamide (henceforth denoted as Me2MOF-5-int), namely, poly[tris(μ4-2,5-dimethylbenzene-1,4-dicarboxylato)bis(N,N-dimethylformamide)-μ4-oxido…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesInorganic Fluorides and Related Compounds

Enhancement of the Thermal Performance Characteristics of an Electrical Power Transformer

Nawras Mohammed Azbar、Hayder Mohammad Jaffal、Basim Freegah2020-08-05Engineering Science & Technology

A 3D numerical simulation was conducted to test the effects of the geometrical and operational parameters on the cooling performance of a three-phase electrical distribution transformer (250 kVA oil natural air natural (ONAN)). The geometric parameters include the shape of the transformer (rectangular, circular, and h…

Heat Transfer and OptimizationMagnetic Properties and ApplicationsPower Transformer Diagnostics and Insulation

Efficient As‐Cast Polymer Solar Cells with High and Stabilized Fill Factor

Fang Jin、Qi Liu、Jianqi Zhang 等 9 位作者2020-08-05Solar RRL

Molecular ordering and miscibility of donor and acceptor materials play critical roles in developing high‐performance as‐cast polymer solar cells (PSCs). In this work, a highly crystalline nonfullerene small molecular acceptor, namely, C8‐IT‐4F, based on alkylated indacenodithieno[3,2‐b]thiophene as the aromatic core…

Organic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications

Assessment of Effects of Solvents on Cocrystallization by Computational Simulation Approach

Manami Dhibar、Santanu Chakraborty、Souvik Basak2020-08-05Current Drug Delivery

PURPOSE: The sole purpose of this study is to improve the solubility and dissolution of telmisartan by cocrystallization technique and apply a computational simulation approach to assess the nature of chemical interactions between telmisartan and coformer as well as the solvent contribution to the molecules for furnis…

Drug Solubulity and Delivery SystemsCrystallography and molecular interactionsCrystallization and Solubility Studies

Equilibrium shape of core(Fe)–shell(Au) nanoparticles as a function of the metals volume ratio

Anne Ponchet、Stéphanie Combettes、Patrizio Benzo 等 6 位作者2020-08-05Journal of Applied Physics

The equilibrium shape of nanoparticles is investigated to elucidate the various core–shell morphologies observed in a bimetallic system associating two immiscible metals, iron and gold, that crystallize in the bcc and fcc lattices, respectively. Fe–Au core–shell nanoparticles present a crystalline Fe core embedded in…

Gold and Silver Nanoparticles Synthesis and ApplicationsTheoretical and Computational Physicsnanoparticles nucleation surface interactions

On the High-Temperature Flow Response of Friction Stir Processed Magnesium Metal Matrix Composites

Ali Hosseinzadeh、Guney Guven Yapici2020-08-05Journal of Engineering Materials and Technology

Abstract In the current work, multi-pass friction stir processing (FSP) was utilized to fabricate samples of fine-grained aluminum–zinc (AZ) magnesium alloy and its metal matrix composite (MMC). The microstructure and high-temperature tensile behavior of friction stir processed (FSPed) AZ31 and AZ31/SiC MMC at various…

Magnesium Alloys: Properties and ApplicationsAluminum Alloys Composites PropertiesAdvanced Welding Techniques Analysis

A General Synthetic Approach and Photophysical Properties of Regioselectively Fluorinated [5]‐ and [6]‐Helical Bispiroindenofluorenes

Ilaria Caivano、Zdeněk Tošner、Ivana Cı́sařová 等 5 位作者2020-08-05ChemPlusChem

A first series of fluorinated [n]helical compounds (n=5 and 6) with the dihydroindenofluorene scaffold was prepared in 5 or 9 (octafluorinated dihydroindenofluorene) steps and their photophysical properties were determined. Rh-catalyzed intramolecular [2+2+2] cyclotrimerization of triyndiols, which were prepared in a…

Porphyrin and Phthalocyanine ChemistryFluorine in Organic ChemistrySynthesis and Properties of Aromatic Compounds

Paenibacillus brasilensis YS-1: A Potential Biocontrol Agent to Retard Xinyu Tangerine Senescence

Chuying Chen、Chunpeng Wan、Juanhua Guo 等 4 位作者2020-08-05Agriculture

The Xinyu tangerine (Citrus reticulata Blanco) is a non-climacteric fruit that is widely cultivated and consumed in China but highly susceptible to fungal infections. Antagonistic microorganisms can control postharvest diseases and extend the storage life of citrus fruits. However, little work has been done to investi…

Phytochemicals and Antioxidant ActivitiesPostharvest Quality and Shelf Life ManagementNanocomposite Films for Food Packaging

Encapsulating Well-Dispersed Carbon Nanoparticles for Applications in the Autonomous Restoration of Electronic Circuits

Ta-Li Hsieh、Chia‐Chen Li、Po‐Ching Lin 等 4 位作者2020-08-05ACS Applied Materials & Interfaces

Two types of conductive microcapsules with a median size of less than 5 μm are proposed, and their high potential as a key functional material for self-restorable conductive pastes for applications in printed electronic circuits is verified. A well-dispersed suspension of carbon nanoparticles in toluene is prepared as…

Advanced Sensor and Energy Harvesting MaterialsElectrospun Nanofibers in Biomedical ApplicationsRecycling and Waste Management Techniques

Effect of Rhodococcus sp. pretreatment on cellulose hydrolysis of corn stalk

Pan Hu、Huanan Li、Wen‐Jing Xiao 等 11 位作者2020-08-05Preparative Biochemistry & Biotechnology

Pretreatment can improve the hydrolysis efficiency of cellulose, in which biological pretreatment plays an important role. In the present study, we uncovered that Rhodococcus has the ability of lignin degradation, which can decompose lignin and serve as a carbon source to meet the needs of its own growth. We used Rhod…

Biofuel production and bioconversionAdvanced Cellulose Research StudiesCatalysis for Biomass Conversion

Cubic-Plus-Chain III: Modeling Polymer–Solvent Phase Behavior with the Chain-Modified Cubic Equation of State

Caleb J. Sisco、Mohammed M. Alajmi、Mohammed I. L. Abutaqiya 等 5 位作者2020-08-05Industrial & Engineering Chemistry Research

The cubic-plus-chain (CPC) equation of state (Sisco & Abutaqiya et al., Ind. Eng. Chem. Res., 2019 ) is a recent development in the literature in which the classical cubic equation of state is hybridized with the chain term from the statistical associating fluid theory (SAFT) to produce an equation of state capable of…

Phase Equilibria and ThermodynamicsMaterial Dynamics and PropertiesThermodynamic properties of mixtures

Discovery and Engineering of an Aldehyde Tolerant 2-deoxy-D-ribose 5-phosphate Aldolase (DERA) from Pectobacterium atrosepticum

Meera Haridas、Carolin Bisterfeld、Le Min Chen 等 11 位作者2020-08-05Catalysts

DERA (2-Deoxy-D-ribose 5-phosphate aldolase) is the only known aldolase that accepts two aldehyde substrates, which makes it an attractive catalyst for the synthesis of a chiral polyol motif that is present in several pharmaceuticals, such as atorvastatin and pravastatin. However, inactivation of the enzyme in the pre…

Enzyme Structure and FunctionEnzyme function and inhibitionBiochemical and Molecular Research

An Improved Model-potential-free Analysis of the Structure Factor Obtained from a Small-angle Scattering: Acquisitions of the Pair Distribution Function and the Pair Potential

Ken‐ichi Amano、Ryosuke Sawazumi、Hiroshi Imamura 等 9 位作者2020-08-05Chemistry Letters

Small-angle X-ray and neutron scatterings can measure the structure factor of dispersed particles (macromolecules or colloidal particles), which can estimate the pair distribution function and the pair potential between the particles. However, the assumption of a model pair potential is usually necessary in the estima…

Material Dynamics and PropertiesElectrostatics and Colloid InteractionsNMR spectroscopy and applications

Experimental investigation of the suppression effects of ammonium polyphosphate on explosion characteristics of unsaturated polyester resin dust

Jie Yang、Yuan Yu、Yunhao Li 等 7 位作者2020-08-05Fire and Materials

Summary The suppression effects of Ammonium Polyphosphate (APP) with different mass fractions on the maximum explosion pressure (Pmax), the explosibility index (Kst), the minimum ignition energy (MIE) and the minimum ignition temperature (MIT) of unsaturated polyester resin (UPR) dust were studied. Results indicated t…

Energetic Materials and CombustionFlame retardant materials and propertiesCombustion and Detonation Processes