Giant gold-glutathione cluster compounds: Intense optical activity in metal-based transitions

Article Abstract:

Gold clusters, generated by Au(I)SG polymer reduction, are shown to separate efficiently by electrophoresis, producing a range of compounds in the 20-80 atom range.

Transition metals

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Carbon monoxide adsorption on selected fold clusters: highly size-dependent activity and saturation compositions

Article Abstract:

The carbon monoxide adsorption activity of small gold-cluster anions is measured by pulsed helium flow-reactor methods at room temperature. The pressure-dependent adsorption patterns give insight into (CO, O2) coadsorption phenomena on model-catalyst systems and may be exploited in further gas-phase experiments on coadsorption ad catalytic cycles.

Science & research, Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Industrial Gas Manufacturing, Industrial gases, Gold, Carbon Monoxide, Electric properties, Adsorption

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Isolation and selected properties of a 10.4 kDa gold: glutathione cluster compound

Article Abstract:

Research was conducted to examine the isolation and selected properties of a glutathione cluster compound. Isolation was performed in high yield by decomposition of polymeric Au(I)SG compounds. The resulting total molecular weight is ca. 10.4 kDa and the mass of its strongly bound inorganic core is 5.6 kDa. Results suggest that very small Au nanocrystals can be derived in a robust hydrophilic form through the assembling of a chelating tripeptide adsorbate monolayer.

Polymers

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