Rodrigo Paniagua

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To evaluate the interaction between plasma levels and the systemic uptake of atrial natriuretic factor (ANF) with thyroid hormone levels during acute renal failure (ARF), seven groups of rats were analyzed: Group 1, Controls (C); Group 2, ARF; Group 3, filtering kidney with uremia; Group 4, ARF with thyroxine (T4) supplement (ARF + T4); Group 5,(More)
Pharmacological interruption of the renin-angiotensin system at different pathway levels has extended our knowledge on the distribution of angiotensin receptors in different nephron segments, its regulation and tubular cell responses. Novel beneficial effects obtained with blockade of this peptide on cellular proliferation and its interaction with other(More)
For a long time, the ammoniated ruthenium oxychloride “ruthenium red” (today formulated [1, 2] as [(NH3)5 R u •O • Ru (NH3)4 O • Ru (NH3)5]6+ • Clg), has been used as a microscopic test for pectins [2, 3]. Several applications of this contrasting agent for electron microscopic detection of acid polysaccharides and proteoglycans have been stud­ ied [4-10].(More)
RESUME Forest fires have always represented an ecological, social and economical problem for all countries around the world. Prediction and evaluation of large fires are applications which can be used by fire and land management organizations on the prevention of greater damages. Several fire spread experiments have been conducted over the years in(More)
An ultrastructural study of a juvenile xanthogranuloma is presented. Foamy histiocytes reveal several vacuoles of irregular profile containing a type of lipid which is not fixed by osmium tetraoxide. There are also myelin figures. Plasmatic membrane shows numerous digit-like foldings related to collagen fibers. Cytoplasm containing few organelles are(More)
(1) Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 121, Madrid 28006 (Spain) (2) Experimental Solid State Group, Physics Department, Imperial College, London (UK) (3) Laboratoire de Nanotechnologie et d'Instrumentation Optique (ICD-LNIO), Université de Technologie de Troyes (France) (5) FOM Institute-AMOLF,(More)
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