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Facile fabrication of superhydrophobic aluminum surfaces by chemical etching and its anti-icing/self-cleaning performances

Huaqiao Peng、Zhenjun Luo、Lin Li 等 6 位作者2019-07-11Materials Research Express

In order to ensure the safety of civil aviation during the freezing weather, the application of superhydrophobic coatings (surfaces) on the aircraft is a useful and supplemental way to mitigate the accumulation of frost, ice or snow. In this work, superhydrophobic surface with hierarchical structure on SAE AMS 4037 al…

Surface Modification and SuperhydrophobicityAdhesion, Friction, and Surface InteractionsIcing and De-icing Technologies

Thermoelectric cooling properties of quantum dot superlattice embedded nanowires

Hossein Karbaschi、Gholamreza Rashedi、N. Nouri2019-07-11Materials Research Express

Low temperature thermoelectric cooling properties of superlattice structured nanowires have been investigated theoretically. A boxcar shape transmission function can be obtained by special choice of the barriers number, their widths and spacing, material composition, and bias voltage. Charge and heat currents have bee…

Advanced Thermoelectric Materials and DevicesAdvanced Thermodynamics and Statistical MechanicsThermal Radiation and Cooling Technologies

Direct coagulation casting of silicon carbide suspension via polyelectrolyte dispersant crosslink reaction

Ke Gan、Yanjiao Gai、Yali Wang 等 9 位作者2019-07-11International Journal of Applied Ceramic Technology

Abstract A direct coagulation casting method for silicon carbide ceramic suspension using dispersant crosslink reaction is reported. Polymer electrolyte (polyethyleneimine, PEI) was used as dispersant to prepare silicon carbide suspension. Common food additives (carboxymethyl cellulose, CMC) were used to coagulate the…

Advanced ceramic materials synthesisSemiconductor materials and devicesAdvanced materials and composites

3D plasmonic design approach for efficient transmissive Huygens metasurfaces

Bryan M. Adomanis、David Bruce Burckel、Michael A. Marciniak2019-07-11Optics Express

In this paper we present a design concept for 3D plasmonic scatterers as high- efficiency transmissive metasurface (MS) building blocks. A genetic algorithm (GA) routine partitions the faces of the walls inside an open cavity into a M x N grid of voxels which can be either covered with metal or left bare, and optimize…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchAdvanced Antenna and Metasurface Technologies

DRoP: Automated detection of conserved solvent‐binding sites on proteins

Bradley M. Kearney、Michael Schwabe、Kendra Marcus 等 7 位作者2019-07-11Proteins Structure Function and Bioinformatics

Water and ligand binding play critical roles in the structure and function of proteins, yet their binding sites and significance are difficult to predict a priori. Multiple solvent crystal structures (MSCS) is a method where several X-ray crystal structures are solved, each in a unique solvent environment, with organi…

Protein Structure and DynamicsRNA and protein synthesis mechanismsEnzyme Structure and Function

Mechanical and Thermal Properties of Mixed-Tacticity Polyhydroxybutyrates and Their Association with Iso- and Atactic Chain Segment Length Distributions

Maria Haslböck、Moritz Klotz、Josef Sperl 等 6 位作者2019-07-11Macromolecules

We investigated the effect of including S enantiomers on the mechanical and thermal properties of predominantly ( R )-β-polyhydroxybutyrate (PHB). From tensile testing, we determined resulting ratios of meso to racemo diads, for which elastic modulus, strength, and fracture strain combine to provide maximized fracture…

Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesPolymer composites and self-healing

Increasing the hydrophilicity of star‐shaped amphiphilic co‐networks by using of PEG and dendritic s‐PCL cross‐linkers

Yaser Zare、Alaleh Dabbaghi、Sohrab Rahmani2019-07-11Polymers for Advanced Technologies

New hyperbranched hydrophobic cross‐linkers with peripheral azide groups were synthesized as follows: First, star‐shaped polycaprolactones (sPCL) were synthesized by ring‐opening polymerization of caprolactone in the presence of pentaerythritol and tin (II) octoate. In the next step, sequential acrylation, Micheal add…

Advanced Polymer Synthesis and CharacterizationPolymer Surface Interaction StudiesDendrimers and Hyperbranched Polymers

Surface Modification of Polypropylene with Primary Amines by Acrylamide Radiation Grafting and Hofmann's Transposition Reaction

Efraín Rodríguez‐Alba、L. Huerta、Alejandra Ortega 等 4 位作者2019-07-11ChemistrySelect

Abstract Polypropylene (PP) film surface is modified with primary amines by means of gamma radiation to graft acrylamide (AAm) using the pre‐irradiation oxidative method at a dose of 50 kGy, a monomer concentration of 13%, and a temperature of 60 °C for 6 h, followed by Hofmann rearrangement to reduce the primary amid…

Surface Modification and SuperhydrophobicityElectrospun Nanofibers in Biomedical ApplicationsPolymer Nanocomposite Synthesis and Irradiation

Comparative study of cobalt sulphides properties for photocatalytic and battery applications

Wajid Hussain、Hinna Malik、Maroof Ahmad Khan 等 10 位作者2019-07-11Semiconductor Science and Technology

Abstract Transition metal sulphide nanoparticles have evolved into a most significant group of nanomaterials due to their easy synthesis in surface chemistry and physics for various applications. This article describes the synthesis of CoS nanoparticles (NPs) and nanoslabs (NSs) utilizing two different routes viz., a…

Advanced Photocatalysis TechniquesQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Influence of fillers and welding processes on the microstructural evolution, mechanical properties and corrosion behavior of dissimilar Hastelloy C-22/AISI 321 joints

Sumitra Sharma、Ravindra V. Taiwade、Abhishek Yadav 等 4 位作者2019-07-11Materials Research Express

This investigation deals with the dissimilar joining of Hastelloy C-22/AISI 321 austenitic stainless steel by employing gas tungsten arc welding (GTAW) and pulsed current-gas tungsten arc welding (PC-GTAW) employing two different fillers (ERNiCrMo-4 & ERNiCrMo-3). This investigation article attempts to study in detail…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsWelding Techniques and Residual Stresses

Integration of Fullerenes as Electron Acceptors in 3D Graphene Networks: Enhanced Charge Transfer and Stability through Molecular Design

Maira R. Cerón、Cheng Zhan、Patrick G. Campbell 等 10 位作者2019-07-11ACS Applied Materials & Interfaces

Here, we report a concept that allows the integration of the characteristic properties of [60]fullerene in 3D graphene networks. In these systems, graphene provides high electrical conductivity and surface area while fullerenes add high electron affinity. We use molecular design to optimize the interaction between 3D…

Advancements in Battery MaterialsGraphene research and applicationsFullerene Chemistry and Applications

Synthesis and Non-Destructive Characterization of Zinc Selenide Thin Films

Brijesh Kumar Yadav、Pratima Singh、Dharmendra Kumar Pandey2019-07-11Zeitschrift für Naturforschung A

Abstract The present work encloses the deposition of three zinc selenide (ZnSe) thin films of thickness 175 nm, 243 nm, and 286 nm using thermal evaporation technique under a vacuum of 5 × 10 −5 mbar. The deposited ZnSe thin films are characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), surfac…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsPhase-change materials and chalcogenides

Sustainable, Fluorine-Free, Low Cost and Easily Processable Materials for Hydrophobic Coatings on Flexible Plastic Substrates

Carmela Tania Prontera、Giuliano Sico、Maria Montanino 等 8 位作者2019-07-11Materials

Zinc oxide nanoparticles (ZnONPs) and stearic acid are herein used for the preparation of hydrophobic coatings with good moisture barrier property on flexible plastic substrates. Fast, high throughput, mild and easy-to-run processing techniques, like airbrushing and gravure printing, are applied for thin films deposit…

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

Co‐delivery of methotrexate and doxorubicin via nanocarriers of star‐like poly(DMAEMA‐ block ‐HEMA‐ block ‐AAc) terpolymers

Mahnaz Saraei、Raana Sarvari、Bakhshali Massoumi 等 4 位作者2019-07-11Polymer International

Abstract Combined therapy is a promising strategy for clinical cancer treatment with synergistic effects. The purpose of the work reported was to evaluate a smart nanocarrier for co‐delivery of doxorubicin (DOX) and methotrexate (MTX). Since star‐like nanocarriers can load a high dose of drugs with various properties,…

Nanoparticle-Based Drug DeliveryAdvanced Polymer Synthesis and CharacterizationDendrimers and Hyperbranched Polymers

Low temperature functionalization of two-dimensional boron nitride for electrochemical sensing

Shirin Daneshnia、Mohsen Adeli、A. Yari 等 6 位作者2019-07-11Materials Research Express

Two-dimensional hexagonal boron nitride (h-BN) as an emerging nanomaterial exhibits unique physicochemical properties, making it suitable candidate for a wide spectrum of applications. However, due to its poor functionality, the processability of this nanomaterial is low. In this work, we report on a straightforward a…

Graphene research and applications2D Materials and ApplicationsMXene and MAX Phase Materials

The Kinetics and Mechanisms for Photodegradation of Nitrated Polycyclic Aromatic Hydrocarbons on Lettuce Leaf Surfaces: An In Vivo Study

Haifeng Sun、Meng Wang、Yanli Nan 等 5 位作者2019-07-11Journal of Agricultural and Food Chemistry

Insights into the environmental fates of nitrated polycyclic aromatic hydrocarbons (NPAHs) in edible vegetables are of great significance for better evaluating human exposure to NPAHs through the dietary pathway. In this work, a fluorescence quenching method using graphene quantum dots as a fluorescent probe was first…

Air Quality and Health ImpactsMercury impact and mitigation studiesCarbon and Quantum Dots Applications

Microfluid-enabled fine tuning of circular dichroism from chiral metasurfaces

Ruiheng Peng、Jianxun Liu、Dong Xiao 等 11 位作者2019-07-11Journal of Physics D Applied Physics

Abstract We propose and numerically demonstrate a microfluid-enabled spin-selective chiral metasurface with tunable circular dichroism. The chiral metasurface consists of periodic array of gammadion-like multilayer nanostructures. With the help of microfluidic technology, fine tuning of circular dichroism from the chi…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchOrbital Angular Momentum in Optics

Prediction and Optimization of Electrospun Polyacrylonitrile Fiber Diameter Based on Grey System Theory

Qihong Zhou、Liqun Lin、Ge Chen 等 4 位作者2019-07-11Materials

This paper provides a new method for predicting the diameter of electrospun nanofibers. Based on the grey system theory, the effects of polyacrylonitrile mass fraction, voltage, flow rate, and receiving distance on fiber diameter were studied. The GM(1,1) (grey model) model and DNGM(1,1) (The DNGM (1,1) model is based…

Electrospun Nanofibers in Biomedical Applications

Proteomic Analysis Reveals that Odoroside A Triggers G2/M Arrest and Apoptosis in Colorectal Carcinoma Through ROS‐p53 Pathway

Yanyan Chen、Shiyuan Wen、Chun‐Miao Deng 等 7 位作者2019-07-11PROTEOMICS

Odoroside A (OA) is an active ingredient extracted from the leaves of Nerium oleander Linn. (Apocynaceae). This study aims to examine the anticancer bioactivity of OA against CRC cells and to investigate the action mechanisms involved. As a result, OA can significantly inhibit cellular ability and induce apoptosis of…

Cancer-related Molecular PathwaysPhytochemical Studies and BioactivitiesPhytochemistry and Bioactive Compounds