Dic 27, 2012 | Sin categoría
A simple method is presented to tune the gold Surface Plasmon Resonance (SPR) modes by growing anisotropic nanoparticles into transparent SiO2 thin films prepared by GLADPVD. In this type of composite film, the anisotropy of the gold nanoparticles, proved by different...
Nov 27, 2012 | Sin categoría
Addition of Br2 or I2 to 14-electron, cationic Pt(II)-alkyl complexes led to the formation of the corresponding carbon-halogen Pt(II) coupling products. Low temperature experiments with Br2 allowed us to isolate and characterize crystallographically a very unusual...
Oct 27, 2012 | 2012, 2012, 2012, 2012, 2012, 2012
Er(3+)-TiO(2) synthesized by surfactant free hydrothermal method exhibit good photoactivities under sun-like excitation for the degradation of phenol. The presence of Er(3+) does not affect significantly to the structural and morphological features of the TiO(2). The...
Sep 27, 2012 | Artículos del Mes, Artículos del Mes, Artículos del Mes, Artículos del Mes, Artículos del Mes
Photosynthetic organisms need copper for cytochrome oxidase and for plastocyanin in the fundamental processes of respiration and photosynthesis. However, excess of free copper is detrimental inside the cells and therefore organisms have developed homeostatic...
Ago 27, 2012 | Artículos del Mes
Se han preparado una serie de catalizadores Au/Ceria-Alumina dopados con óxido de vanadio y óxido de cobalto. Los sistemas dopados con Vanadio resultaron poco eficaces en la oxidación de CO debido a la formación del compuesto estequiométrico CeVO4 cuya presencia se...
Jul 27, 2012 | Sin categoría
Aims: Protein phosphorylation is a principal signalling mechanism that mediates regulation of enzymatic activities, modulation of gene expression and adaptation to environmental changes. Recent studies have shown ubiquitous distribution of eukaryotic-type...
