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Adsorption and kinetic studies of methylene blue on modified HUSY zeolite and an amorphous mixture of γ-alumina and silica

Samia Oukil、Ferroudja Bali、D. Halliche2019-07-31Separation Science and Technology

Our work focuses on the study of the adsorption of methylene blue (MB) on adsorbents based on zeolite HUSY and (γAl2O3-SiO2). To optimize the process of removing MB onto Ni/Co USY, different parameters were studied such as contact time, initial pH, initial dye concentration, zero charge’s point, and adsorbent dosage.…

Adsorption and biosorption for pollutant removalAnalytical chemistry methods developmentCatalytic Processes in Materials Science

The Triad of Medium, Substance, and Surfaces for the Theory of Further Scrutiny

Tetsushi Nonaka2019-07-31OpenAlex

This chapter aims to two-fold: to reflect on the development of a “new” description of the environment—the triad of medium, substances, and surfaces, and to highlight its significance to the study of perception and behavior. The ability to distinguish among the different substances is extremely important to us, and we…

Cultural Heritage Materials AnalysisQuasicrystal Structures and PropertiesHistory and advancements in chemistry

Erythrocyte Membrane Coated Fe3O4 Nanoparticles for Near Infrared Light Responsive Drug Delivery

Song Shen、Ying Chen、Shunyao Qi 等 6 位作者2019-07-31Chemistry Letters

Prolonged circulation time is beneficial for the accumulation of nanoparticles in tumors due to the enhanced permeability and retention (EPR) effect. However, the exogenous nanoparticles tend to be recognized and quickly eliminated by the reticuloendothelial system. Here, we developed autologous erythrocyte membrane c…

Nanoparticle-Based Drug DeliveryGold and Silver Nanoparticles Synthesis and ApplicationsNanoplatforms for cancer theranostics

High‐pressure Raman spectroscopy of CeOCl: Observation of the isostructural phase transition

Leilei Zhang、Ya Cheng、Xianlong Wang 等 7 位作者2019-07-31Journal of Raman Spectroscopy

Abstract High‐pressure structural evolution of CeOCl, a lanthanide oxychloride, was investigated by in situ high‐pressure Raman scattering and first‐principles calculations. We report the novel observation of discontinuities in Raman wavenumber at the pressure of approximately 7 GPa, which are related to an isostructu…

Catalytic Processes in Materials ScienceRare-earth and actinide compoundsInorganic Chemistry and Materials

Temperature Dependences of Peak Positions in Pair Distribution Function of Metallic Liquids

Wenbiao Zhang、X.D. Wang、Qing Cao 等 5 位作者2019-07-31The Journal of Physical Chemistry B

The temperature dependences of the peak positions in pair distribution functions G ( r ) of pure metallic zinc (Zn) and indium (In) liquids have been studied using high-energy X-ray diffraction together with ab initio molecular dynamic simulations. It has been demonstrated that the first peak positions in G ( r ) of b…

Material Dynamics and PropertiesX-ray Diffraction in CrystallographyThermodynamic and Structural Properties of Metals and Alloys

Evaporative Crystallization of Dibenzoylmethanato Boron Difluoride Probed by Time-resolved Quartz Crystal Microbalance Responses with Fluorescence Changes

Fuyuki Ito、Mai Saigusa、Naoki Kanayama2019-07-31Chemistry Letters

We have studied the evaporative crystallization of dibenzoylmethanato boron difluoride complex (BF2DBM) using the quartz crystal microbalance (QCM) technique and based on fluorescence changes. The optical and mechanical properties of the liquid-like cluster state were observed during the evaporative crystallization pr…

Acoustic Wave Resonator TechnologiesLuminescence and Fluorescent MaterialsMechanical and Optical Resonators

Host–Guest Feature of DPPP Bridged Arene–Ruthenium Clip Derived Molecular Rectangle

Suman Dhara、Mohd. Asif Ansari、Goutam Kumar Lahiri2019-07-31Inorganic Chemistry

The development of DPPP 2– (H 2 DPPP = 2,5-dihydro-3,6-di-2-pyridylpyrrolo(3,4- c )pyrrole-1,4-dione) bridged ( NN∩NN ) diruthenium complexes [(Cym)(X)Ru II (μ-dppp)Ru II (X)(Cym)] (Cym = para -cymene and X = OTf – ( 1 ), SCN – ( 2 ), N 3 – ( 3 ), NO 2 – ( 4 )) are considered as the probable molecular clips for the co…

Metal-Organic Frameworks: Synthesis and ApplicationsSupramolecular Chemistry and ComplexesMagnetism in coordination complexes

Magnetic Field Usage Supported Filtration Through Different Filter Materials

Ewa Szatyłowicz、Iwona Skoczko2019-07-31Water

Currently, methods of water purification and aqueous solutions leading to effective reduction of introduced chemical compounds into water purification systems have become the subject of research. Physical methods have become an alternative, because by subjecting water and aqueous solutions to UV (ultraviolet) radiatio…

Hydrogen Storage and MaterialsElectrohydrodynamics and Fluid DynamicsMagnetic and Electromagnetic Effects

Photosensitizer and anticancer drug-loaded 2D nanosheet: Preparation, stability and anticancer property

Gang Liu、Ping Zhao、Neng Liu 等 12 位作者2019-07-312D Materials

Abstract Cancer phototherapy (PT) including photodynamic therapy (PDT) and photothermal therapy (PTT) has attracted extensive interest due to its non-invasive and region-specific nature. In order to enhance the efficacy, we have fabricated various nanocomposites consisting of a photosensitizer (chlorin e 6 (Ce6), pheo…

Nanoplatforms for cancer theranosticsLuminescence and Fluorescent MaterialsGraphene and Nanomaterials Applications

Surface Investigation of Metal Threads and Solid Metals of Ottoman Textiles in the Topkapi Palace Museum

R. G. Oraltay、Recep Karadağ2019-07-31Studies in Conservation

We analyzed 53 historical textile samples from a collection of caftans and brocades dating between the sixteenth and nineteenth century in the Topkapi Palace Museum (TPM) by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDX). Data were collected on the type, dimensions, elemental composit…

Corrosion Behavior and InhibitionCultural Heritage Materials AnalysisConservation Techniques and Studies

Experimental investigation of surface roughness and cutting ratio in a spraying cryogenic turning process

Aref Saliminia、Mohammad Mahdi Abootorabi2019-07-31Machining Science and Technology

Surface roughness is one of the most common criteria indicating the surface finish of the part, which depends on various factors including cutting parameters, geometry of the tool, and cutting fluid. One of the goals of using cutting fluids in machining processes is to achieve improved surface finish. In addition to h…

Advanced machining processes and optimizationErosion and Abrasive MachiningMetal Alloys Wear and Properties

Abnormal Nucleophilic Substitution on Methoxytropone Derivatives: Steric Strategy to Synthesize 5‐Substituted Azulenes

Neha Rani Kumar、Abhijeet R. Agrawal、Sanjio S. Zade2019-07-31Chemistry - A European Journal

Azulene is a non-alternant non-benzenoid aromatic system, and in turn, it possesses unusual photophysical properties. Azulene-based conjugated systems have received increasing interest in recent years as optoelectronic materials. Despite the routes available for the preparation of substituted azulene derivatives, ther…

Synthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence ChemistrySynthesis of Organic Compounds

Development of Metal Nanoparticle Catalysis toward Drug Discovery

Mitsuhiro Arisawa2019-07-31Chemical and Pharmaceutical Bulletin

Transition-metal nanoparticles (NPs) catalysts supported on solid material represent one of the most important subjects in organic synthesis due to their reliable carbon–carbon or carbon–heteroatom bond-forming cross-coupling reactions. Therefore methodologically and conceptually novel immobilization methods for nonpr…

Innovative Microfluidic and Catalytic Techniques InnovationNanocluster Synthesis and ApplicationsNanomaterials for catalytic reactions

Accelerated continuous time quantum Monte Carlo method with machine learning

Taegeun Song、Hunpyo Lee2019-07-31Physical review. B./Physical review. B

An acceleration of continuous time quantum Monte Carlo (CTQMC) methods is a potentially interesting branch of work as they are matchless as impurity solvers of a dynamical mean field theory (DMFT) approach for the description of strongly correlated systems. The inversion of the $k\ifmmode\times\else\texttimes\fi{}k$ m…

Physics of Superconductivity and MagnetismQuantum and electron transport phenomenaMagnetic and transport properties of perovskites and related materials

Simple and Versatile Protocol for Preparing Self-Healing Poly(vinyl alcohol) Hydrogels

Rylie K. Morris、Abby P. Hilker、Taylor M. Mattice 等 6 位作者2019-07-31Journal of Chemical Education

As the role of polymers in undergraduate chemistry curricula continues to expand, opportunities will emerge for adopting experiments involving smart materials (i.e., materials that change properties in response to external stimuli). Slime demonstrations are routinely carried out with poly(vinyl alcohol) (i.e., PVA) hy…

Hydrogels: synthesis, properties, applicationsbiodegradable polymer synthesis and propertiesVarious Chemistry Research Topics

A New Insight into the Comonomer Effect through NMR Analysis in Metallocene Catalysed Propene–co–1-Nonene Copolymers

Qiong Wu、Alberto García‐Peñas、Rosa Barranco‐García 等 7 位作者2019-07-31Polymers

The “comonomer effect” is an intriguing kinetic phenomenon in olefin copolymerization that still remains without a detailed explanation. It typically relates to the rate of enhancement undergone in ethylene and propene catalytic polymerization just by adding small fractions of an alpha-olefin. The difficulty lies in t…

Organometallic Complex Synthesis and CatalysisSynthetic Organic Chemistry MethodsMachine Learning in Materials Science

Mn0.4In1.6S3 Nanoflower Solid Solutions for Visible-Light Photocatalytic Hydrogen Evolution

Hui Liang、Bin Guo、Jing‐Kai Huang 等 7 位作者2019-07-31ACS Applied Nano Materials

A series of Mn 2 x In 2(1– x ) S 3 ( x < 0.5) nanoflower solid solutions (NSS) were synthesized by a simple one-step hydrothermal method using l -cysteine as S source and chelating reagent. The Mn 2 x In 2(1– x ) S 3 NSS exhibit excellent hydrogen evolution performance compared with pure In 2 S 3 . In particular, the…

Advanced Photocatalysis TechniquesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

INVESTIGATION OF THE DYNAMIC LOADING OF A BODY OF PASSENGER CARS DURING TRANSPORTATION BY RAIL FERRY

Аlyona Lovska、Oleksij Fomin、Anatolii Horban 等 6 位作者2019-07-31EUREKA Physics and Engineering

To ensure the safety of passenger carriages by rail ferries, mathematical modeling of dynamic loading is performed. The accelerations are determined as components of the dynamic load acting on the body of a passenger car. This takes into account the actual hydrometeorological characteristics of the water area of the r…

Railway Engineering and DynamicsTechnical Engine Diagnostics and MonitoringMaterial Properties and Failure Mechanisms

Ekstraksi Gelatin Dari Kulit Kelinci Lokal Jawa (Lepus negricollis) Dengan Variasi Jenis Pelarut Dalam Suhu Ekstraksi Serta Aplikasinya Pada Bakso Kelinci

Putri Adek Putro、Mochammad Wachid、Noor Harini2019-07-31Food Technology and Halal Science Journal

Gelatin is a protein obtained from animal collagen tissue found in warts, bones, and connective tissue that is hydrolyzed acidic or basic. The purpose of this study was to determine the different effects of HCl and acetic acid and different extraction temperatures on the production of local rabbit skin gelatin so that…

Collagen: Extraction and CharacterizationFood and Agricultural Sciences

Theoretical Study of First Singlet Excited State of Para-Substituted Platinabenzene Complexes

Gholamreza Ghane Shalmani、Reza Ghiasi、Azam Marjani2019-07-31Chemical Methodologies

The structure, electronic properties, and aromaticity of the para-substituted platinabenzenes were illustrated by applying the hybrid density functional MPW1PW91 theory. The electron donor groups (EDG) and electron withdraw groups (EWG) effects on geometry, frontier orbital energies, reactivity indices and aromaticity…

Photochemistry and Electron Transfer StudiesPhotochromic and Fluorescence ChemistryOrganic Chemistry Cycloaddition Reactions