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Layer‐by‐Layer Assembly of Functional Nanoparticles for Hepatocellular Carcinoma Therapy

Xiujun Gao、Zhuanxia He、Wenfeng Ni 等 8 位作者2019-07-23Advanced Functional Materials

Abstract Cancer treatments with conventional approaches often result in limited clinical outcomes due to inefficient therapeutic efficacy and cumulative toxicity against normal tissue. Recently, most research has focused on combined therapeutic studies by functional carriers. In this study, functional nanoparticles (F…

Nanoparticle-Based Drug DeliveryRNA Interference and Gene DeliveryNanoplatforms for cancer theranostics

Gate‐Tunable Electrical Transport in Thin 2M‐WS2 Flakes

Xiangli Che、Yujun Deng、Yuqiang Fang 等 6 位作者2019-07-23Advanced Electronic Materials

Abstract Electrolyte gating has been employed as an effective way to modulate the electronic properties of transition metal dichalcogenides (TMDs) by carrier doping over a wide range. Here, the carrier density of a new metastable phase of TMD material 2M‐WS 2 is controlled by electrolyte gating to achieve reversible t…

Perovskite Materials and Applications2D Materials and ApplicationsMXene and MAX Phase Materials

Freezing and Thawing of Liposome Suspensions

George Strauss2019-07-23OpenAlex

This chapter discusses the role of freeze-thaw (F/T) processes in liposome research and technology. F/T processes give insight into the stability of liposomes having different structures, the transformation of one structural type into another, including the key process of membrane fusion, and the ability of liposomes…

Textile materials and evaluations

Modeling Lower Critical Solution Temperature Behavior of Associating Dendrimers Using Density Functional Theory

Yuchong Zhang、Walter G. Chapman2019-07-23Langmuir

We study the phase behavior of associating dendrimers in explicit solvents using classical density functional theory. The existence of association enables uptake of solvent inside the dendrimer even for unfavorable Lennard-Jones interaction between the solvent and dendrimer. Depending on the distributions of associati…

Polymer crystallization and propertiesAdvanced Polymer Synthesis and CharacterizationDendrimers and Hyperbranched Polymers

Enhanced reflective dichroism from periodic graphene ribbons via total internal reflection

Guang Chen、Xiao Lin、Zuojia Wang2019-07-23Optics Express

A rigorous homogenization theory is developed to characterize the effective conductivity tensor of periodic graphene ribbons. This way, the obtained conductivity simplifies the study of the exotic scattering properties of periodic graphene ribbons. As a typical example, we find that the performance of reflective dichr…

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

Nitrogen, Sulfur Co-Doped Reduced Graphene Oxide: Synthesis and Characterization

Md. Abdul Mannan、Yudai Hirano、Armando T. Quitain 等 5 位作者2019-07-23Micro and Nanosystems

Objective and Method: In this present research, a simple hydrothermal implantation technique for synthesizing N,S co-doped reduced graphene oxide (NS-r-GO) has been presented in which thiourea was used as a single-source precursor of N and S atoms. Results: Maximum N and S atoms, with an atomic percentage of 3.50 and…

Graphene research and applicationsSupercapacitor Materials and FabricationGraphene and Nanomaterials Applications

Acute Cytotoxic Effects on Morphology and Mechanical Behavior in MCF-7 Induced by TiO2NPs Exposure

Mariafrancesca Cascione、Valeria De Matteis、Giacomo Mandriota 等 5 位作者2019-07-23International Journal of Molecular Sciences

The side effects induced by nanoparticle exposure at a cellular level are one of the priority research topics due to the steady increase in the use of nanoparticles (NPs). Recently, the focus on cellular morphology and mechanical behavior is gaining relevance in order to fully understand the cytotoxic mechanisms. In t…

Nanoparticles: synthesis and applicationsCellular Mechanics and InteractionsForce Microscopy Techniques and Applications

Phenothiazine Scope: Steric Strain Induced Planarization and Excimer Formation

Deng‐Gao Chen、Yi Chen、Chih‐I Wu 等 10 位作者2019-07-23Angewandte Chemie

Abstract Phenothiazine derivatives based on the 10‐phenyl‐10H‐phenothiazine ( NAS ) chromophore, namely 7‐phenyl‐7 H ‐benzo[c]phenothiazine ( NAS‐1 ) and 12‐phenyl‐12H‐benzo[a]phenothiazine ( NAS‐2 ), were designed and synthesized. NAS‐1 and NAS‐2 are constitutional isomers with different steric strains imposed on the…

Luminescence and Fluorescent MaterialsPhotochromic and Fluorescence ChemistryPhenothiazines and Benzothiazines Synthesis and Activities

Microstructure and magnetic properties of sintered Nd–Fe–B magnets with Ce substitution for Nd by intergranular‐alloy method

Jianxin Huang、Ying Liu、Jun Li 等 5 位作者2019-07-23Rare Metals

Abstract Aiming at the comprehensive utilization of the rare‐earth resources and the preparation of the high‐performance low‐cost Nd–Fe–B magnets, sintered magnets with different Ce substitution amounts of 17.2 wt%, 24.8 wt% and 31.8 wt% were prepared by intergranular‐alloy method. The influence of substitution of Ce…

Magnetic properties of thin filmsHydrogen Storage and MaterialsMagnetic Properties of Alloys

Mg/Al LDH Enhances Sulfate removal and Clarification of AMD Wastewater in Precipitation Processes

Paulina Maziarz、Jakub Matusik、Tiina Leiviskä2019-07-23Materials

The sulfate removal from acid mine drainage (AMD) water (initial concentration: 5301 mg/L) was investigated by precipitation and/or adsorption using calcium hydroxide (Ca(OH)2) and synthetic layered double hydroxide (LDH) of the Mg/Al type. The exclusive use of LDH efficiently removed sulfates (64.2% reduction); howev…

Mine drainage and remediation techniquesLayered Double Hydroxides Synthesis and ApplicationsMagnesium Oxide Properties and Applications

Carbon Nanotube and Cellulose Nanocrystal Hybrid Films

Mingzhe Jiang、Robert Seney、Paul Charles Bayliss 等 4 位作者2019-07-23Molecules

The use of cellulose nanocrystals (CNC) in high performance coatings is attractive for micro-scale structures or device fabrication due to the anisotropic geometry, however CNC are insulating materials. Carbon nanotubes (CNT) are also rod-shaped nanomaterials that display high mechanical strength and electrical conduc…

Nanocomposite Films for Food PackagingAdvanced Cellulose Research StudiesElectrohydrodynamics and Fluid Dynamics

Submicron aerosol filtration performance of centrifugally spun nanofibrous polyvinylpyrrolidone media

Melike Güngör、Mehmet D. Çalişir、Yasin Akgül 等 6 位作者2019-07-23Journal of Industrial Textiles

In this study, polyvinylpyrrolidone-based nanofibrous air filter media were produced via centrifugal spinning and subsequently stabilized by thermal cross-linking process. Samples were produced using solutions with three different polymer concentrations (5, 10 and 20 wt.%) and three different rotational speeds (4000,…

Advanced Sensor and Energy Harvesting MaterialsElectrospun Nanofibers in Biomedical ApplicationsAerosol Filtration and Electrostatic Precipitation

Fabrication of Anisotropic Silver Nanoplatelets on the Surface of TiO2 Fibers for Enhanced Photocatalysis of a Chemical Warfare Agent Simulant, Methyl Paraoxon

Danielle L. Kuhn、Zachary Zander、Ann M. Kulisiewicz 等 13 位作者2019-07-23The Journal of Physical Chemistry C

Among the world’s most deadly toxins are a class of organophosphates that are used as chemical warfare agents (CWAs). It is imperative to continue to develop novel means for mitigation and protection against these chemical threats. Sensitizing the surface of metal oxide semiconductors with plasmonic nanoparticles for…

TiO2 Photocatalysis and Solar CellsNanoparticles: synthesis and applicationsGold and Silver Nanoparticles Synthesis and Applications

The Analysis of Impedance Spectra for Core–Shell Microstructures: Why a Multiformalism Approach is Essential

James P. Heath、John H. Harding、Derek C. Sinclair 等 4 位作者2019-07-23Advanced Functional Materials

Abstract The impedance response of a core–shell microstructure with 80% core volume fraction has been simulated using finite‐element modeling and compared to two equivalent circuits for a wide range of shell permittivity and conductivity values. Different equivalent circuits, corresponding to different variants of the…

Ferroelectric and Piezoelectric MaterialsDielectric materials and actuatorsDielectric properties of ceramics

Room-temperature superionic-phase nanocrystals synthesized with a twinned lattice

Jianxiao Gong、Prashant K. Jain2019-07-23Nature Communications

The engineering of nanoscale features enables the properties of solid-state materials to be tuned. Here, we show the tunable preparation of cuprous sulfide nanocrystals ranging in internal structures from single-domain to multi-domain. The synthetic method utilizes in-situ oxidation to grow nanocrystals with a control…

Advancements in Battery MaterialsQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications

Solubility Study and Mixing Property of 3,5-Dinitro-2-methylbenzoic Acid in 13 Pure Solvents from 288.15 to 333.15 K

Jiaxin Wu、Jian Wang、Ali Farajtabar 等 4 位作者2019-07-23Journal of Chemical & Engineering Data

The solubilities of 3,5-dinitro-2-methylbenzoic acid in 13 solvents such as 1-propanol, 1-butanol, 1-pentanol, 1-hexanol, 1-heptanol, 2-propanol, ethyl acetate, 2-butanol, cyclohexane, toluene, ethanol, acetonitrile, and water were determined through the shake-flask method from 288.15 to 333.15 K at a local pressure o…

Analytical Chemistry and ChromatographyCrystallization and Solubility StudiesChemical and Physical Properties in Aqueous Solutions

NiB loaded acetic acid treated microalgae strain (Spirulina Platensis) to use as a catalyst for hydrogen generation from sodium borohydride methanolysis

Mustafa Kaya2019-07-23Energy Sources Part A Recovery Utilization and Environmental Effects

In this study, a Spirulina Platensis microalgal strain as an alternative support material is prepared. It is the first time investigated the use of microalgae as support material with Ni2+ ions to produce a highly efficient catalyst. Nickel-boron loaded acetic acid treated microalgae strain (SSMS-CH3COOH-NiB) is prepa…

Biodiesel Production and ApplicationsHydrogen Storage and MaterialsHybrid Renewable Energy Systems

Density, distribution and nature of planar faults in silver antimony telluride for thermoelectric applications

Lamya Abdellaoui、Siyuan Zhang、Stefan Zaefferer 等 11 位作者2019-07-23Acta Materialia

Defects such as planar faults in thermoelectric materials improve their performance by scattering phonons with short and medium mean free paths (3–100 nm), thereby reducing the lattice thermal conductivity , κ l . Understanding statistically the microscopic distribution of these extended defects within the grains and…

Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsThermal properties of materials

Hofmeister Effects on Peptide Amphiphile Nanofiber Self-Assembly

Aysenur Iscen、George C. Schatz2019-07-23The Journal of Physical Chemistry B

Self-assembled peptide amphiphile (PA) nanofibers have emerged as bio-inspired materials with numerous applications in nanotechnology. However, environmental variables, such as salt concentration, pH, or temperature, can greatly impact the self-assembly process. Being able to tune the electrostatic interaction and int…

Lipid Membrane Structure and BehaviorChemical Synthesis and AnalysisSupramolecular Self-Assembly in Materials

Trapping and Recombination Centers in Cesium Hafnium Chloride Single Crystals: EPR and TSL Study

M. Buryi、Robert Král、Vladimír Babin 等 13 位作者2019-07-23The Journal of Physical Chemistry C

Charge trapping phenomena and recombination centers were studied in three Cs 2 HfCl 6 single crystals of slightly different stoichiometry grown by the vertical Bridgeman method. Electron paramagnetic resonance (EPR) spectra measured both before and after X-ray irradiation show creation of two distinct V k centers. One…

Luminescence Properties of Advanced MaterialsRadiation Detection and Scintillator TechnologiesSolid-state spectroscopy and crystallography