Browsing by Author "Valenzuela, Jorge"
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Wartini, Alexander R.; Valenzuela, Jorge; Staab, Heinz A.; Neugebauer, Franz A. (Wiley-VCH Verlag, 1998)Three types of tetrone radical anions in which two 1,4-benzoquinone units are connected by ethano (1·-, 2·-), [2.2]paracyclophane (3·-, 4·-), and anthracene bridges (5·-, 6·-) have been studied by ESR and ENDOR spectroscopy. ...
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María Inés, Dinator Ramirez (Universidad de Chile, 1985)Se Obtiene el espectro ESR del catión radical derivado de 1,4 dimetilantraceno. El catión se prepara por: (a) oxidación del compuesto padre en acido sulfúrico (b) por oxidación mediante cloruro de aluminio en dicloruro de ...
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Valenzuela, Jorge; Defilippi, Carlos; Diaz, Gabriela; Navia, Erika; Merino, Yolanda (1979)It has previously been shown that dopamine stimulates pancreatic exocine secretion and inhibits acid secretion in the dog. In this study, the authors have investigated the effect of dopamine on human gastric and pancreatic ...
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Valenzuela, Jorge; Salinas, Julio; Petermann, Margarita (1974)Effects of ethanol on pancreas enzyme secretion are a subject of controversy. Stimulatory and inhibitory effects haven been reported. In in vitro experiments, pigeon pancreas slices were incubated with ethanol and ...
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Valenzuela, Jorge; Defilippi, Carlos; Csendes Juhasz, Attila (1976)Pyloric sphincter pressure was assessed with water-perfused polyvinyl tubes. Smoking one cigarette significantly decreased the basal pyloric pressure, whereas 10 mg of metoclopramide as an intravenous bolus increased the ...