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As the brain ages, it suffers several neurochemical, structural and functional changes. These deficits are primarily reflected on daily memory tasks. In the present work, we use the Wisconsin Card Sorting Task (WCST) task to assess P300 component of the event-related potential (ERP) as a marker for aging. Considering age-related effects, WCST was applied to young, middle-aged and elder participants...
Pd–Ag alloys containing different amounts of Ag (8, 21 and 34at.%) were prepared in order to evaluate their catalytic activity towards the ethanol oxidation (EOR) and oxygen reduction (ORR) reactions. A sequential electroless deposition of Ag and Pd on a stainless steel disc, followed by annealing at 650°C under Ar stream, was used as the alloy electrode deposition process.From half-cell measurements...
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