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Catalytic system for pyridine oxidation to N-oxides under mild conditions based on polyoxomolybdate

Chunxia Yang、Wei Zhao、Zhiguo Cheng 等 5 位作者2015-01-01RSC Advances

A reusable and effective catalytic system has been developed for oxidation of pyridines catalyzed by Keplerate polyoxomolybdate ({Mo <sub>132</sub> }) at room temperature. Pyridine compounds could be oxidized in high yields under mild conditions.

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

Surface enhanced Raman scattering based on Au nanoparticles/layered double hydroxide ultrathin films

Rui Tian、Mingwan Li、Haiyan Teng 等 6 位作者2015-01-01Journal of Materials Chemistry C

Active SERS ultrathin films (UTFs) based on a two-dimensional architecture have been fabricated, and densely immobilized Au NPs leads to an enhanced electromagnetic field and improved SERS effect. These UTFs exhibit versatility and sensitivity in the detection in various analytes.

Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesNanocluster Synthesis and Applications

Self-powered electrospinning apparatus based on a hand-operated Wimshurst generator

Wen‐Peng Han、Yuanyuan Huang、Miao Yu 等 9 位作者2015-01-01Nanoscale

A conventional electrospinning setup cannot work without a plug (electricity supply). In this article, we report a self-powered electrospinning setup based on a hand-operated Wimshurst generator. The new device has better applicability and portability than a typical conventional electrospinning setup because it is lig…

Advanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsElectrospun Nanofibers in Biomedical Applications

Single-molecule magnet behavior in three cyano-bridged heterometallic Fe III –Ni II clusters

Pengfei Zhuang、Yan‐Juan Zhang、Hui Zheng 等 9 位作者2015-01-01Dalton Transactions

One trinuclear and two tetranuclear cyanide-bridged Fe(III)-Ni(II) complexes were synthesized via treatment of a tricyanometallate with divalent Ni salts in the presence of 1-butylimidazole, 2,2-bipyrimidyl and 1,10-phenanthroline, respectively. Magnetic property studies demonstrated that the three complexes exhibit s…

Magnetism in coordination complexesPorphyrin and Phthalocyanine ChemistryLanthanide and Transition Metal Complexes

Effect of the Unsaturation of the Hydrocarbon Chain of Fatty-Amides on theCO2Corrosion of Carbon Steel Using EIS and Real-Time Corrosion Measurement

J. Porcayo-Calderón、Ignacio Regla、E. Vázquez‐Vélez 等 6 位作者2015-01-01Journal of Spectroscopy

Fatty-amide derivatives were evaluated to study the effect of the double bonds into the hydrocarbon chain (C18) on the corrosion behavior of carbon steel. Electrochemical impedance spectroscopy (EIS) and real-time corrosion measurements were used to evaluate the inhibition mechanism of the fatty-amides on carbon steel…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsConcrete Corrosion and Durability

Enzymatic synthesis of poly(ω-pentadecalactone-co-butylene-co-3,3′-dithiodipropionate) copolyesters and self-assembly of the PEGylated copolymer micelles as redox-responsive nanocarriers for doxorubicin delivery

Bo Liu、Xiaofang Zhang、Ya Chen 等 9 位作者2015-01-01Polymer Chemistry

The PEG-polyester copolymers bearing disulfide groups were synthesized to serve as redox-responsive anticancer drug carriers with an enhanced efficacy.

Nanoparticle-Based Drug Deliverybiodegradable polymer synthesis and propertiesDendrimers and Hyperbranched Polymers

Online SERS detection and characterization of eight biologically-active peptides separated by capillary zone electrophoresis

Pierre Negri、Scott A. Sarver、Nicole M. Schiavone 等 5 位作者2015-01-01The Analyst

There is a need for low cost, sensitive and chemical specific detectors for routine characterization of biomolecules. In this study, we utilize sheath-flow surface-enhanced Raman scattering (SERS) to analyze a mixture of eight biologically-active peptides separated by capillary zone electrophoresis (CZE). Analysis of…

Gold and Silver Nanoparticles Synthesis and ApplicationsSpectroscopy Techniques in Biomedical and Chemical ResearchBiosensors and Analytical Detection

Quaternary rare-earth selenides with closed cavities: Cs[RE 9 Mn 4 Se 18 ] (RE = Ho–Lu)

Hua Lin、Jinni Shen、Yong‐Fang Shi 等 5 位作者2015-01-01Inorganic Chemistry Frontiers

Five new selenides, Cs[RE <sub>9</sub> Mn <sub>4</sub> Se <sub>18</sub> ] (RE = Ho–Lu), adopting the BaV <sub>13</sub> O <sub>18</sub> -structure type and the A/M-structure correlation are reported.

Crystal Structures and PropertiesIron-based superconductors researchInorganic Chemistry and Materials

Are polymers glassier upon confinement?

Jean Spièce、Daniel E. Martínez‐Tong、Michele Sferrazza 等 5 位作者2015-01-01Soft Matter

Glass forming systems are characterized by a stability against crystallization upon heating and by the easiness with which their liquid phase can be transformed into a solid lacking of long-range order upon cooling (glass forming ability). Here, we report the thickness dependence of the thermal phase transition temper…

Liquid Crystal Research AdvancementsMaterial Dynamics and PropertiesMetallic Glasses and Amorphous Alloys

Preparation of size-selective Mn 3 O 4 hexagonal nanoplates with superior electrochemical properties for pseudocapacitors

Guiling Wang、Zhipeng Ma、Yuqian Fan 等 6 位作者2015-01-01Physical Chemistry Chemical Physics

Porous Mn3O4 hexagonal nanoplates were synthesized through annealing the hydrohausmannite precursor obtained by a one-pot hydrothermal process and by precisely controlling the concentrations of potassium hydroxide and glucose. The effect of potassium hydroxide and glucose on the growth of hexagonal nanoplates was inve…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced battery technologies research

Hierarchical Cu 0.27 Co 2.73 O 4 /MnO 2 nanorod arrays grown on 3D nickel foam as promising electrode materials for electrochemical capacitors

Hongwei Ge、Chengxiang Wang、Longwei Yin2015-01-01Journal of Materials Chemistry A

Cu <sub>0.27</sub> Co <sub>2.73</sub> O <sub>4</sub> /MnO <sub>2</sub> hybrid hierarchical nanostructure arrays directly on pressed nickel foam, with thin MnO <sub>2</sub> nanoflakes homogeneously wrapped on Cu <sub>0.27</sub> Co <sub>2.73</sub> O <sub>4</sub> nanorod arrays, are successfully synthesized by a simple h…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationConducting polymers and applications

Quantum chemical and experimental insights for the ionic liquid facilitated thermal dehydrogenation of ethylene diamine bisborane

Basudhrity Banerjee、Debashis Kundu、G. Pugazhenthi 等 4 位作者2015-01-01RSC Advances

Ionic liquids (ILs) were screened on the basis of solubility of ethylene diamine bisborane (EDAB) using the COSMO-SAC model and LUMO–HOMO calculations. Thereafter, thermal dehydrogenation of EDAB was conducted with imidazolium-acetate based ILs.

Hydrogen Storage and MaterialsCarbon dioxide utilization in catalysisCatalysis and Oxidation Reactions

Importance of Molecular Interactions in Colloidal Dispersions

R. López-Esparza、M. A. Balderas Altamirano、E. Pérez 等 4 位作者2015-01-01Advances in Condensed Matter Physics

We review briefly the concept of colloidal dispersions, their general properties, and some of their most important applications, as well as the basic molecular interactions that give rise to their properties in equilibrium. Similarly, we revisit Brownian motion and hydrodynamic interactions associated with the concept…

Polymer Surface Interaction StudiesPickering emulsions and particle stabilizationElectrostatics and Colloid Interactions

Thermoelectric properties of Ge doped n-type Ti x Zr 1−x NiSn 0.975 Ge 0.025 half-Heusler alloys

Yuanfeng Liu、Pierre F. P. Poudeu2015-01-01Journal of Materials Chemistry A

Manipulating the band gap of ZrNiSn (half-Heusler) alloys through isoelectronic substitutions at Ti/Zr and Sn/Ge sites, and nanostructuring afford a simultaneous enhancement of thermopower and reduction in thermal conductivity leading to a significant increase in the <italic>ZT</italic> value.

Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsHeusler alloys: electronic and magnetic properties

Growth of colloidal PbS nanosheets and the enhancement of their photoluminescence

Zhoufeng Jiang、Ghadendra Bhandari、Shashini M. Premathilaka 等 10 位作者2015-01-01Physical Chemistry Chemical Physics

Dual photoluminescence peaks observed during the synthesis of colloidal PbS nanosheets reveal their growth mechanism - two-dimensional attachments of the quantum dots. Well-grown nanosheets show the photoluminescence linewidth of 95 meV at room temperature. Aged nanosheets in toluene have enhanced photoluminescence wi…

Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Gel-assisted synthesis of oleate-modified Fe 3 O 4 @Ag composite microspheres as magnetic SERS probe for thiram detection

Haihong Zheng、Bingfang Zou、Lin Chen 等 6 位作者2015-01-01CrystEngComm

Fast detection and identification of thiram, a kind of well-known pesticide, presents a great challenge to environmental researchers. This work developed a kind of oleate-modified Fe3O4@Ag core@shell composite microsphere as a magnetic separable SERS substrate for quick selective sensing of thiram. In the synthesis pr…

Gold and Silver Nanoparticles Synthesis and ApplicationsElectrochemical sensors and biosensorsAdvanced Nanomaterials in Catalysis