A estenose hipertrófica do piloro (EHP), no pequeno lactente, é uma causa conhecida de vómitos não biliosos que se apresenta habitualmente entre a terceira e sexta semana de vida.Com o desenvolvimento dos métodos de imagem a apresentação clássica tornou-se rara.É apresentado o caso de um lactente de quatro meses internado por má progressão ponderal e vómitos intermitentes, não biliosos desde a segunda semana de...
We report magnetic and EPR (electron paramagnetic resonance) spectroscopy studies of [Cu2(flu)4(dmf)2] (flu = flufenamate and dmf = dimethylformamide), which has CuII ions in tetracarboxylate "paddle wheel" dinuclear units. Susceptibility measurements at 10 < T < 275 K allowed the evaluation of an antiferromagnetic intradinuclear exchange coupling J0 = -294 ± 5 cm-1 between CuII ions (Hex = "J0 S1·S2). EPR expe...
A particularly useful, easy and concise synthesis of diversified 3-aryl coumarin was achieved using Heck coupling reactions between coumarin and aryliodides. The introduction of the aryl moiety occurred regioselective at the 3-position of the heteroaromatic ring.
The complex CuII-N-benzoylglycine provides a convenient system to study weak exchange interactions between unpaired spins transmitted through a biologically relevant long chemical bridge. The molecule exists as a dimer with each CuII ion coordinated to five ligands, forming a distorted square-based pyramid. The only chemical connection between magnetically non-equivalent copper ions is a very long path comprisi...
The synthesis of two heterobimetallic EDTA complexes, MgCu(EDTA).6H2O and ZnCu(EDTA).6H2O, is described. They were characterized by means of vibrational (infrared and Raman) and electronic (reflectance) spectroscopy. Several dissolution tests in 0.1 N HCl and simulated gastric juice were also performed. The results support the potential usefulness of these complexes for copper supplementation in human and veter...
O nascimento do primeiro filho corresponde a uma etapa importante de ciclo vital da mulher, caracterizada por sucessivas transformações e estados de desequilíbrio compreendida por alterações biofísicas, reajustamentos psicológicos, alterações da rotina do dia a dia, consolidação da relação mãe/filho, pais/filho e de relacionamento familiar, traduzindo vivências muito peculiares à mulher e família. Apesar da evo...
The acetone extract of the whole plant of Plectranthus grandidentatus provided the already known abietanes royleanone, 6,7-dehydroroyleanone, horminone, 6β-hydroxyroyleanone, 7α-acetoxy-6β-hydroxyroyleanone and the abietane dimers grandidone C, grandidone D and 7-epigrandidone D, together with a mixture of fatty acid esters of 7α-acyloxy-6β,12-dihydroxy-abieta-8,12-diene-11,14-dione. Some of these compounds sho...
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