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Fluid inclusion and isotopic data on quartz, carbonate, and clay minerals from Carlin-type deposits in two gold grovinces of southwest China suggest the deposits formed at epizonal levels where metamorphic fluids discharged into foreland fold and thrust belts, reacted with sedimentary rocks, and mixed with local meteoric ground waters.
Highly dispersed gold (Au) nanoparticles (NPs) supported on nitrogen doped multi-walled carbon nanotubes (NCNTs) were synthesised using a simple electrochemical method. Morphology of Au-NPs and their dispersion profile were studied depending on the applied potential and deposition duration. Novel conductometric gas sensors were developed from the thin films of Au-NPs/NCNTs nanocomposites and evaluated...
This work investigates the evaluation of chemical reaction kinetics with a piezoresistive microcantilever array. By controlling the temperature of individual cantilevers in the array, the reaction constants can be measured at a single analyte concentration in one measurement. Adsorption and desorption of 6-mercaptohexanol on a gold-functionalized cantilever was studied at 21degC and 50degC. Current...
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