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Increasing selectivity of the hydroformylation in a miniplant: Catalyst, solvent, and olefin recycle in two loops

Jens M. Dreimann、Helge Warmeling、Joachim Weimann 等 6 位作者2016-05-31AIChE Journal

The application of thermomorphic solvent systems offers the combination of homogeneous catalysis in a single phase and catalyst recovery via phase separation. To increase economic feasibility the minimization of waste streams and side reactions is desired. For this, a continuous process for the hydroformylation of 1‐d…

Polymer crystallization and propertiesCatalysis for Biomass ConversionBlock Copolymer Self-Assembly

Dependence of Mesomorphic Behaviour of Methylene‐Linked Dimers and the Stability of the NTB/NX Phase upon Choice of Mesogenic Units and Terminal Chain Length

Richard J. Mandle、John W. Goodby2016-05-31Chemistry - A European Journal

Twelve symmetrical dimeric materials consisting of a nonamethylene (C9) spacer and either phenyl 4-(4'-alkylphenyl)benzoate, phenyl 4-(4'-alkylcyclohexyl)benzoate or phenyl 4-(4'-alkylbicyclohexyl)carboxylate mesogenic units were prepared and their mesogenic behaviour characterised by POM, DSC and XRD. All of the mate…

Liquid Crystal Research AdvancementsSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence Chemistry

Protein–Mineral Interactions: Molecular Dynamics Simulations Capture Importance of Variations in Mineral Surface Composition and Structure

Amity Andersen、Patrick N. Reardon、Stephany S. Chacon 等 6 位作者2016-05-31Langmuir

Molecular dynamics simulations, conventional and metadynamics, were performed to determine the interaction of model protein Gb1 over kaolinite (001), Na(+)-montmorillonite (001), Ca(2+)-montmorillonite (001), goethite (100), and Na(+)-birnessite (001) mineral surfaces. Gb1, a small (56 residue) protein with a well-cha…

Enzyme Structure and FunctionClay minerals and soil interactionsPorphyrin Metabolism and Disorders

Cutaneous Recording and Stimulation of Muscles Using Organic Electronic Textiles

Maria Papaiordanidou、Seiichi Takamatsu、Shahab Rezaei‐Mazinani 等 6 位作者2016-05-31Advanced Healthcare Materials

Electronic textiles are an emerging field providing novel and non-intrusive solutions for healthcare. Conducting polymer-coated textiles enable a new generation of fully organic surface electrodes for electrophysiological evaluations. Textile electrodes are able to assess high quality muscular monitoring and to perfor…

Advanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsNeuroscience and Neural Engineering

Electrochemical corrosion study of Mg–Al–Zn–Mn alloy in aqueous ethylene glycol containing chloride ions

Harish Medhashree、A. Nityananda Shetty2016-05-31Journal of Materials Research and Technology

Nowadays most of the automobiles use magnesium alloys in the components of the engine coolant systems. These engine coolants used are mainly composed of aqueous ethylene glycol along with some inhibitors. Generally the engine coolants are contaminated by environmental anions like chlorides, which would enhance the rat…

Corrosion Behavior and InhibitionMagnesium Alloys: Properties and ApplicationsHydrogen Storage and Materials

Interphase Induced Dynamic Self‐Stiffening in Graphene‐Based Polydimethylsiloxane Nanocomposites

Linlin Cao、Yanlei Wang、Pei Dong 等 8 位作者2016-05-31Small

The ability to rearrange microstructures and self-stiffen in response to dynamic external mechanical stimuli is critical for biological tissues to adapt to the environment. While for most synthetic materials, subjecting to repeated mechanical stress lower than their yield point would lead to structural failure. Here,…

Advanced Sensor and Energy Harvesting MaterialsPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Nature of Electromagnetic-Transparent SiO2 Shell in Hybrid Nanostructure Enhancing Electromagnetic Attenuation

Caiyun Liang、Yongjie Gou、Lina Wu 等 7 位作者2016-05-31The Journal of Physical Chemistry C

The understanding of the structure–activity relationship can help us design desired functional materials. SiO 2 shell is widely used as a physicochemical inert layer to protect materials from corrosion or oxidization. But, in electromagnetic (EM) absorption studies, silica shell, supposed to be EM transparent, has bee…

ZnO doping and propertiesElectromagnetic wave absorption materialsAdvanced Antenna and Metasurface Technologies

Observing Growth of Nanostructured ZnO in Liquid

Ting-Huan Hsieh、Jui-Yuan Chen、Chun‐Wei Huang 等 4 位作者2016-05-31Chemistry of Materials

Hydrothermal synthesis is commonly used to produce a large area of ZnO nanowires because of its simple and inexpensive process. However, the mechanism of hydrothermal synthesis remains unknown. In this work, zinc acetate and HMTA dissolved in deionized water as a precursor solution were sealed in a liquid cell for obs…

ZnO doping and propertiesQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications

Robust Sub‐Monolayers of Co3O4 Nano‐Islands: A Highly Transparent Morphology for Efficient Water Oxidation Catalysis

Guanyu Liu、Siva Krishna Karuturi、Alexandr N. Simonov 等 15 位作者2016-05-31Advanced Energy Materials

The scalable synthesis of highly transparent and robust sub‐monolayers of Co3O4 nano‐islands, which efficiently catalyze water oxidation, is reported. Rapid aerosol deposition of Co3O4 nanoparticles and thermally induced self‐organization lead to an ultra‐fine nano‐island morphology with more than 94% light transmissi…

Electrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesCopper-based nanomaterials and applications

Thermal Regulation of Colloidal Materials Architecture through Orthogonal Functionalizable Patchy Particles

Xiaolong Zheng、Yufeng Wang、Yu Wang 等 5 位作者2016-05-31Chemistry of Materials

This contribution presents a sol–gel based cluster encapsulation methodology to produce bifunctional patchy particles. The particles possess azide moieties on the surfaces of the patch and carboxylic acids on the shell. Two types of DNA with distinct terminal sequences are site-specifically conjugated to the particle…

Gold and Silver Nanoparticles Synthesis and ApplicationsAdvanced Polymer Synthesis and CharacterizationPickering emulsions and particle stabilization

A Highly Efficient Sandwich‐Like Symmetrical Dual‐Phase Oxygen‐Transporting Membrane Reactor for Hydrogen Production by Water Splitting

Wei Fang、Frank Steinbach、Zhongwei Cao 等 5 位作者2016-05-31Angewandte Chemie International Edition

Water splitting coupled with partial oxidation of methane (POM) using an oxygen-transporting membrane (OTM) would be a potentially ideal way to produce high-purity hydrogen as well as syngas. Over the past decades, substantial efforts have been devoted to the development of supported membranes with appropriate configu…

Catalytic Processes in Materials ScienceAdvancements in Solid Oxide Fuel CellsAmmonia Synthesis and Nitrogen Reduction

Dendrimer Prodrugs

Soraya da Silva Santos、Elizabeth Igne Ferreira、Jeanine Giarolla2016-05-31Molecules

The main objective of this review is to describe the importance of dendrimer prodrugs in the design of new drugs, presenting numerous applications of these nanocomposites in the pharmaceutical field. Therefore, the use of dendrimer prodrugs as carrier for drug delivery, to improve pharmacokinetic properties of prototy…

RNA Interference and Gene DeliveryChemical Synthesis and AnalysisDendrimers and Hyperbranched Polymers

Pulmonary and pleural inflammation after intratracheal instillation of short single-walled and multi-walled carbon nanotubes

Katsuhide Fujita、Makiko Fukuda、Shigehisa Endoh 等 9 位作者2016-05-31Toxicology Letters

Relationships between the physical properties of carbon nanotubes (CNTs) and their toxicities have been studied. However, little research has been conducted to investigate the pulmonary and pleural inflammation caused by short-fiber single-walled CNTs (SWCNTs) and multi-walled CNTs (MWCNTs). This study was performed t…

Nanoparticles: synthesis and applicationsAir Quality and Health ImpactsNoise Effects and Management

Nanoparticle size and combined toxicity of TiO 2 and DSLS (surfactant) contribute to lysosomal responses in digestive cells of mussels exposed to TiO 2 nanoparticles

Alba Jimeno-Romero、Miriam Oron、Miren P. Cajaraville 等 5 位作者2016-05-31Nanotoxicology

The aim of this investigation was to understand the bioaccumulation, cell and tissue distribution and biological effects of disodium laureth sulfosuccinate (DSLS)-stabilised TiO2 nanoparticles (NPs) in marine mussels, Mytilus galloprovincialis. Mussels were exposed in vivo to 0.1, 1 and 10 mg Ti/L either as TiO2 NPs (…

Nanoparticles: synthesis and applicationsEnvironmental Toxicology and EcotoxicologyGeochemistry and Elemental Analysis

Absolute Intramolecular Distance Measurements with Angstrom-Resolution Using Anomalous Small-Angle X-ray Scattering

Thomas Zettl、Rebecca S. Mathew、Sönke Seifert 等 6 位作者2016-05-31Nano Letters

Accurate determination of molecular distances is fundamental to understanding the structure, dynamics, and conformational ensembles of biological macromolecules. Here we present a method to determine the full distance distribution between small (∼7 Å radius) gold labels attached to macromolecules with very high-precis…

DNA and Nucleic Acid ChemistryX-ray Spectroscopy and Fluorescence AnalysisElectron and X-Ray Spectroscopy Techniques

The Enhancement on Proton Conductivity of Stable Polyoxometalate‐Based Coordination Polymers by the Synergistic Effect of MultiProton Units

Jing Li、Xue‐Li Cao、Yuan Yuan Wang 等 9 位作者2016-05-31Chemistry - A European Journal

Two novel polyoxometalate (POM)-based coordination polymers, namely, [Co(bpz)(Hbpz)][Co(SO4 )0.5 (H2 O)2 (bpz)]4 [PMo(VI) 8 Mo(V) 4 V(IV) 4 O42 ]⋅13 H2 O (NENU-530) and [Ni2 (bpz)(Hbpz)3 (H2 O)2 ][PMo(VI) 8 Mo(V) 4 V(IV) 4 O44 ]⋅8 H2 O (NENU-531) (H2 bpz=3,3',5,5'-tetramethyl-4,4'-bipyrazole), were isolated by hydroth…

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsChemical Synthesis and Reactions

Biocompatible polyhydroxyalkanoates/bacterial cellulose composites: Preparation, characterization, and in vitro evaluation

Ioana Chiulan、Denis Mihaela Panaitescu、Adriana Nicoleta Frone 等 8 位作者2016-05-31Journal of Biomedical Materials Research Part A

Biocompatible composites play a critical role as scaffolds in tissue engineering. Novel biocomposites made from poly(3-hydroxybutyrate) (PHB), polyhydroxyalkanoate (PHA) and bacterial cellulose (BC) in different concentrations were prepared by solution casting and their thermal and mechanical behavior as well as bioco…

Advanced Cellulose Research Studiesbiodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

Increasing the production of (R)-3-hydroxybutyrate in recombinant Escherichia coli by improved cofactor supply

Mariel Pérez-Zabaleta、Gustav Sjöberg、Mónica Guevara-Martínez 等 7 位作者2016-05-31Microbial Cell Factories

BACKGROUND: In a recently discovered microorganism, Halomonas boliviensis, polyhydroxybutyrate production was extensive and in contrast to other PHB producers, contained a set of alleles for the enzymes of this pathway. Also the monomer, (R)-3-hydroxybutyrate (3HB), possesses features that are interesting for commerci…

Enzyme Catalysis and Immobilizationbiodegradable polymer synthesis and propertiesMicrobial Metabolic Engineering and Bioproduction

Sirtuin-dependent reversible lysine acetylation of glutamine synthetases reveals an autofeedback loop in nitrogen metabolism

Di You、Bin‐Cheng Yin、Zhi-Hai Li 等 7 位作者2016-05-31Proceedings of the National Academy of Sciences

In cells of all domains of life, reversible lysine acetylation modulates the function of proteins involved in central cellular processes such as metabolism. In this study, we demonstrate that the nitrogen regulator GlnR of the actinomycete Saccharopolyspora erythraea directly regulates transcription of the acuA gene (…

Fungal and yeast genetics researchEnzyme Structure and FunctionPolyamine Metabolism and Applications

Toward High-Performance Poly( l -lactide) Fibers via Tailoring Crystallization with the Aid of Fibrillar Nucleating Agent

Huixian Zhang、Hongwei Bai、Zhenwei Liu 等 5 位作者2016-05-31ACS Sustainable Chemistry & Engineering

As a sustainable alternative to conventional petrochemical-based polymers, biobased and biodegradable poly( l -lactide) (PLLA) exhibits tremendous application potential in the textile industry due to its attractive elastic recovery, moisture regain, and flammability. However, the commercial adoption of PLLA textile fi…

Advanced Sensor and Energy Harvesting Materialsbiodegradable polymer synthesis and propertiesAdditive Manufacturing and 3D Printing Technologies