Calcination conditions and stability of supported Ni 4 La oxide for catalytic decomposition of N 2 O
A novel catalyst of supported Ni 4 La oxide calcined at 400 °C in nitrogen completely decomposes N 2 O at 375 °C.
Materials Literature
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Bis(methyl)(thia/selena)salen Ag( i ) complexes: counter-ion induced structural diversity
The complexation behaviour of bis(methyl)(thia/selena)salen ligands towards Ag(I) ions in the presence of PF6−, ClO4− and NO3− ions, and the self-assembling of the resultant complexes were explored. Changes in counter anion and coordinating sites (S/Se) led to a structural diversity of complexes as determined using si…
Effects of NaOCl Aqueous Solutions and Ethyl Alcohol Solutions on Removing Protein Surface Contaminants and Re-establishing Antibacterial Activities of Copper-Alloyed Stainless Steel
Effects of wiping copper-alloyed stainless steel surfaces with disinfectants to remove protein surface contaminants and re-establish their antibacterial activities were quantitatively studied. Disinfectants used were sodium hypochlorite aqueous solutions and ethyl alcohol aqueous solutions. Wiping with NaOCl aqueous s…
An aqueous one-pot route to gold/quantum rod heterostructured nanoparticles functionalized with DNA
We report an original approach exploiting the photoelectrochemical properties of quantum rods and the versatility of Au(I) organometallic chemistry to control DNA surface grafting. This one-pot aqueous approach provides Janus biofunctionalized nanoparticles, the assembly of which should results in the emergence of syn…
Relationship between diffusion of Co 3+ /Co 2+ redox species in nanopores of porous titania stained with dye molecules, dye molecular structures, and photovoltaic performances
Diffusion of Co 2+ and Co 3+ in nanopores of porous titania stained with dyes were evaluated. V oc was obtained for the DSSC with fast Co 3+ diffusion in nanopores. After staining with long alkyl groups, the efficiency increased from 2.8% to 5.3%.
Properties of Nanocrystals-Formulated Aluminosilicate Bricks
In the present work, seven different types of nanocrystals were studied as additives in the formulation of aluminosilicate bricks. The considered nanocrystals consisted of anatase titanium dioxide (two differently shaped types), boron modified anatase, calcium carbonate (in calcite phase), aluminium hydroxide and sili…
Difference of Magnetic Pulse Compaction from Traditional Uniaxial Pressing of Alumina Nanopowders
Processes of pressureless sintering of alumina nanopowders, subjected to traditional uniaxial pressing or magnetic pulse compaction, were investigated with the use of X-ray diffraction, scanning electron microscopy, thermal analysis and dilatometry. In this study sintering mechanisms, initiated by magnetic-pulse compa…
Preparation and Characterization of Hydrogel Nanocomposites Based on Oxidized Starch and Incompletely Condensed Polyhedral Oligomeric Silsesquioxanes
Incompletely condensed polyhedral oligomeric silsesquioxanes (POSS) are nanosized particles (1-3 nanometer) that can be used as reinforcing fillers in hydrogel nanocomposites based on oxidized starch with polymeric cross linkers containing amine groups like chitosan. In this work we have prepared hydrogel nanocomposit…
Enhanced cancer cell killing of a Pt( iv ) prodrug promoted by outer-sphere coordination with polyethyleneimines
The cisplatin prodrug c,c,t-[Pt(NH3)2Cl2(O2CCH2CH2CO2)2](2-) (1) forms outer-sphere coordination interactions with non-toxic low MW PEI, which results in enhanced cancer cell killing, also achieved using PEI-coated AuNPs.
High-Directivity Antenna Array Based on Artificial Electromagnetic Metamaterials with Low Refractive Index
Planar metamaterials (MTMs) with low refractive index are proposed as a cover in a high-gain patch antenna array configuration. This MTMs array antenna has the following features: the number of array elements significantly decreases compared with the conventional array; the elements spacing is larger than a wave lengt…
Molecular structures, redox properties, and photosubstitution of ruthenium(II) carbonyl complexes of porphycene
Two ruthenium(II) carbonyl complexes of porphycene, (carbonyl)(pyridine)(2,7,12,17-tetra-n-propylporphycenato)ruthenium(II) (1) and (carbonyl)(pyridine)(2,3,6,7,12,13,16,17-octaethylpor-phycenato)ruthenium(II) (2), have been structurally characterized by single-crystal X-ray diffraction analysis. Cyclic voltammetry ha…
Preparation of a Carbon-Platinum-Polyaniline Support for Atomic Metal Deposition
A low-cost, thin, graphitized carbon electrode with electrodeposited platinum and polyaniline has been characterized for electrochemical oxidation of aliphatic alcohols in alkaline medium and for possible further incorporation of atomic metals and alloys. Our previously developed atomic metal polyaniline composites us…
Sensitive and simple detection of trace hydrogen peroxide based on a resonance light scattering assay
A new method for the resonance light scattering determination of hydrogen peroxide has been developed, and the optimum reaction conditions, influential factors and applications were investigated.
“Fishing” of heteropolyacids into carbonaceous seine via coking
The carbon encapsulated tungstophosphoric acid was synthesized by the controlled coking during gas phase reaction of formaldehyde with isobutene. The as-made material showed unique stability toward leaching in the aqueous phase due to localization of HPA clusters inside the porous coke matrix with high activity in the…
Ultra-rapid microwave synthesis of Li 3−x−y M x N (M = Co, Ni and Cu) nitridometallates
Phase-pure ternary lithium nitrides with demonstrable Li + ion vacancy concentrations can be synthesised by low power microwave reactions in times reduced by orders of magnitude over conventional heating approaches; the electrochemical performance of the materials has been determined.
Highly stable foams generated in mixed systems of ethanediyl-1,2-bis(dodecyldimethylammonium bromide) and alcohols
Highly stable foams were generated using a gemini surfactant, ethanediyl-1,2-bis(dodecyldimethylammonium bromide) (12-2-12) together with hexanol (C 6 OH) or heptanol (C 7 OH), in aqueous solution. There exists the optimum addition for both alcohols.
Colloidal stability of (functionalised) fullerenes in the presence of dissolved organic carbon and electrolytes
Influence of various parameters on the stability and size of fullerene clusters is being investigated using DLS, MALS and flow cytometry.
Geometric Modeling of Infiltrated Solid Oxide Fuel Cell Electrodes for Performance Optimization
In this work, the effect of nano-particle infiltration on some different microstructures of solid oxide fuel cell (SOFC) electrodes was predicted by virtual realization of electrode geometry. At first Various electrode microstructures that were generated by Mont. Carlo method were selected then different amount of nan…
Supramolecular photovoltaic cells utilizing inclusion complexes composed of Li +@ C 60 and cyclic porphyrin dimer
We have newly constructed supramolecular photovoltaic cells using inclusion complexes of lithium-ion-encapsulated [60]fullerene ( Li +@ C 60) and cyclic porphyrin dimers (M-CPDPy, M = H 4 and Ni 2). First, supramolecular inclusion complexes of Li +@ C 60 and M-CPDPy were prepared in MeCN/PhCN (3/1, v/v) by rapid injec…
Organic crystal-binding peptides: morphology control and one-pot formation of protein-displaying organic crystals
Crystalline assemblies of fluorescent molecules have different functional properties than the constituent monomers, as well as unique optical characteristics that depend on the structure, size, and morphological homogeneity of the crystal particles. In this study, we selected peptides with affinity for the surface of…