Jimmy Briceño

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Portal hypertension is a hemodynamic abnormality that involves a high risk of disability as well as a reduced life expectancy in patients with cirrhosis. Progress in the knowledge of pathophysiology of portal hypertension has opened a new perspective for different pharmacological approaches. In this context, the pleiotropic actions of statins on endothelial(More)
In this work, the potential of graphite furnace atomic absorption spectrometry for the direct determination of B in plant tissues has been investigated. Three certified reference materials (NIST SRM 1570a spinach leaves, NIST SRM 1573a tomato leaves and BCR CRM 679 white cabbage) were selected for this study, the goal always being to develop a fast(More)
The aim of this work was to determine the influence of the present phases and the chemical composition on the corrosion behavior and the nickel ion release of the NiTi orthodontic archwires. Eight Ni-Ti archwires from six commercial brands, in the as-received condition, were studied. The chemical composition, roughness, microstructure and the proportion of(More)
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