Oxide- and zeolite-supported molecular metal complexes and clusters: Physical characterization and determination of structure, bonding, and metal oxidation state

Article Abstract:

The physical characterization of well-defined site-isolated molecular metal complexes and metal clusters supported on metal oxides and zeolites are described. The strengths and limitations of complementary techniques, including transmission electron microscopy, X-ray absorption, infrared, Raman and NMR spectroscopies, are examined and the results have provided a foundation for understanding the complex materials that are typical of industrial catalysts.

Science & research, Zeolites, Research, Oxidation-reduction reaction, Oxidation-reduction reactions, Oxides, Chemical properties

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Homogeneous, competitive fluorescence quenching immunoassay based on gold nanoparticle/polyeletrolyte coated latex particles

Article Abstract:

A homogenous and competitive fluorescence quenching immunoassay based on gold nanoparticle/polyelectrolyte (Au(sub NP/PE)) coated latex prepared by the layer-by-layer technique is presented. The results indicate that Au(sub NP/PE)-coated latexes can be readily used as dynamic range tunable sensors.

Gold Compounds, Analysis, Electric properties, Properties, Structure, Atomic absorption spectroscopy

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