Browsing by Title Artículos de revistas

Now showing items 745-764 of 2801

    • Dietary fiber, amino acid, fatty acid and tocopherol contents of the edible seaweeds Ulva lactuca and ... 
      Ortiz Viedma, Jaime; Romero, Nalda; Robert Canales, Paz; Araya, Juan Carlos; López Hernández, J.; Bozzo, C.; Navarrete, E.; Osorio, A.; Ríos, A. (ELSEVIER, 2006)
      The nutritional composition of the edible seaweeds Durvillaea antaretica (frond and stem) and dried Ulva lactuca was determined, including the soluble (SDF), insoluble (IDF) and total (TDF) dietary fiber content, amino ...
    • Diferencias de género en el malestar psíquico de estudiantes universitarios. 
      Fritsch Montero, Rosemarie; Escanilla Durán, Ximena; Goldsack Zambrano, Victoria; Grinberg, Amalia; Navarrete, Araceli; Pérez, Alejandra; Rivera, Caterine; González, Isabel; Sepúlveda, Rodrigo Enrique; Rojas Castillo, María Graciela (Universidad de Chile, Facultad de Medicina, Clínica Psiquiátrica Universitaria, 2006)
      Existen numerosos estudios que muestran que los trastornos mentales comunes son enfermedades frecuentes y discapacitantes. Se ha observado que los estudiantes universitarios constituyen un grupo de riesgo. El objetivo ...
    • Diferencias genéticas en la disminución del colesterol por estatinas en pacientes chilenos con cardiopatia ... 
      Noriega Sepúlveda, Viviana Carolina; Pennanen Saavedra, Christian; Llancaqueo Valeri, Marcelo; Lavandero González, Sergio; Prieto Domínguez, Juan (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2007)
      Las estatinas son fármacos de elección para el tratamiento de hipercolesterolemia. Sin embargo, dado que existe una considerable variabilidad interindividual en la reducción del colesterol, la evaluación farmacogenética ...
    • Differences in nucleotide-binding site of isoapyrases deduced from tryptophan fluorescence 
      Espinosa, Victoria; Kettlun, Ana María; Zanocco Loyola, Antonio; Cardemil, E.; Valenzuela, A. M. (PERGAMON-ELSEVIER SCIENCE LTD, 2003-05)
      Comparative studies of intrinsic and extrinsic fluorescence of apyrases purified from two potato tuber varieties (Pimpernel and Desiree) were performed to determine differences in the microenvironment of the nucleotide ...
    • Differences in the crystal structures of two dialkyl diester triphenyl-phospho-nium ylids 
      Castãeda, Fernando; Jullian Matthaei, Carolina; Bunton, Clifford A.; Garland, María Teresa; Baggio, Ricardo (2007)
      Hydrogen bonding and crystal packing play major roles in determining the conformations of ethyl methyl 2-(triphenyl-phospho-ranyl-idene)malonate, Ph3P=C(CO2CH3)CO2CH2CH3 or C24H23O4P, (I), and dimethyl 2-(triphenyl-phosphor- ...
    • Differences in the crystal structures of two dialkyl diester triphenyl-phosphonium ylids 
      Castañeda Magliona, Fernando; Jullian Matthaei, Carolina; Bunton, Clifford A.; Garland, María Teresa; Baggio, Ricardo (International Union of Crystallography, 2007)
      Hydrogen bonding and crystal packing play major roles in determining the conformations of ethyl methyl 2-(triphenyl-phosphoranylidene)malonate, Ph3P=C(C02CH3)CO2CH2CH3 or C24H23O4P,(I), and dimethyl 2-(triphenylphosphora ...
    • Different glutathione redox status and lipid peroxidation in the cortex and the medulla of the rat kidney ... 
      Campos, Rolando; Maureira, Francisco; Garrido, Argelia; Valenzuela Bonomo, Carlos (1993)
      When the rat kidney is subjected to ischemia and reperfusion, changes in glutathione content and in lipid peroxidation are produced in the cortex and in the medulla. The cortex shows a decrease in the glutathione content ...
    • Different sugar residues of the lipopolysaccharide outer core are required for early interactions of ... 
      Bravo, Denisse; Hoare, Anilei; Silipo, Alba; Valenzuela, Camila; Salinas, Catalina; Álvarez Armijo, Sergio Aníbal; Molinaro, Antonio; Valvano, Miguel A.; Contreras, Inés (Elsevier, 2011)
      The role of lipopolysaccharide (LPS) in entry of Salmonella Typhimurium into epithelial cells remains unclear. In this study, we tested the ability of a series of mutants with deletions in genes for the synthesis and ...
    • Differential effect of silybin on the Fe2+-ADP and t-butyl hydroperoxide-induced microsomal lipid peroxidation 
      Valenzuela,; Guerra, (Birkhäuser-Verlag, 1986)
      We have observed a differential effect of silybin dihemisuccinate on rat liver microsonal oxygen consumption and on lipid peroxidation induced by NADPH-Fe2+-ADP and t-butyl hydroperoxide. These results are ascribed to the ...
    • Differential effects of oleic and palmitic acids on lipid droplet-mitochondria interaction in the hepatic ... 
      Eynaudi Cáceres, Andrea Patricia; Díaz Castro, Francisco; Bórquez, Juan Carlos; Bravo Sagua, Roberto Francisco; Parra Ortiz, Valentina María; Troncoso Cotal, Rodrigo Hernán (Frontiers Media, 2021)
      Fatty acid overload, either of the saturated palmitic acid (PA) or the unsaturated oleic acid (OA), causes triglyceride accumulation into specialized organelles termed lipid droplets (LD). However, only PA overload leads ...
    • Differential equations on the kinetics of biodiesel production 
      Brüning, M.; Aylwin, C.; Díaz Alvarado, Felipe Andrés (Elsevier, 2015)
    • Differential incorporation of L- and D-N-acyl-1-phenyl-d(5)-2-aminopropane in a cesium N-dodecanoyl-L-alaninate ... 
      Weiss López, Boris; Azócar Rangel, Mauricio Alejandro; Montecinos, R.; Cassels Niven, Bruce; Araya Maturana, Ramiro (AMER CHEMICAL SOC, 2001-10-30)
      Deuterium quadrupole splittings from two series of optical isomers, L- and D-N-acyl-l-phenyl-d(5)-2-aminopropane, with linear acyl chains ranging from I to 10 carbon atoms, were measured using H-2 NMR spectroscopy. Both ...
    • Differential inhibitory effect of alpha-, beta-, gamma-, and delta-tocopherols on the metal-induced oxidation ... 
      Valenzuela, A.; Sanhueza, J.; Nieto, S. (Institute of Food Technologists, 2002)
      Cholesterol oxidation, products (COPs) are present in biological tissues and in foods. The inhibitory effect of antioxidants, such as tocopherols, on COPs formation has been only partially investigated. The antioxidant ...
    • Differential Participation of Angiotensin II Type 1 and 2 Receptors in the Regulation of Cardiac Cell Death ... 
      Aránguiz Urroz, Pablo Daniel; Soto Muñoz, Dagoberto; Contreras Ferrat, Ariel Eduardo; Troncoso Cotal, Rodrigo; Chiong Lay, Mario; Montenegro Obregón, José Joaquín; Venegas Pino, Daniel Esteban; Smolic Smolic, Christian; Ayala Jeria, Pedro Segundo; Thomas, W. G.; Lavandero González, Sergio; Díaz Araya, Guillermo (NATURE PUBLISHING GROUP, 2009-05)
      The Angiotensin II (Ang II) type 1 (AT(1)R) and type 2 (AT(2)R) receptors are increased in the heart following myocardial infarction and dilated cardiomyopathy, yet their contribution at a cellular level to compensation ...
    • Differential prooxidative effect of adult and fetal hemoglobin 
      Valenzuela Bonomo, Carlos; Guerra, Ricardo; Lazcano, Laura; Canãs, Patricio (1986)
      Human fetal hemoglobin assayed in a peroxidizing system shows an increased prooxidative effect when compared to human adult hemoglobin. This effect is related only to the oxyhemoglobin form since both fetal and adult ...
    • Differential pulse polarographic and UV-vis spectrophotometric study of inclusion complexes formed by ... 
      Yáñez, C.; Núñez Vergara, Luis; Squella Serrano, Juan (2003)
      The formation of inclusion complexes of well-known 1,4-dihydropyridine calcium antagonists, such as nifedipine (NF) and nicardipine (NC), with beta-cyclodextrin (betaCD) was investigated by differential pulse polarography ...
    • Differential pulse voltammetric assay of lercanidipine in tablets 
      Álvarez Lueje, Alejandro; Pujol, Silvina; Núñez Vergara, Luis; Squella Serrano, Juan (AOAC INTERNATIONAL, 2002-11)
      Lercanidipine in ethanol-0.04M Britton-Robinson buffer (20 + 80) gives an irreversible anodic response on a glassy carbon electrode in a broad pH range (2-12) that depends on pH. This signal can be attributed to oxidation ...
    • Differential roles for pathogenicity islands SPI-13 and SPI-8 in the interaction of Salmonella Enteritidis ... 
      Espinoza, Rodrigo A.; Silva Valenzuela, Cecilia A.; Amaya, Fernando A.; Urrutia, ítalo M.; Contreras, Inés; Santiviago, Carlos A. (BioMed Central, 2017)
      Background: Salmonella pathogenicity island (SPI)-13 is conserved in many serovars of S. enterica, including S. Enteritidis, S. Typhimurium and S. Gallinarum. However, it is absent in typhoid serovars such as S. Typhi and ...
    • Dihydroeuparin as sunscreen 
      Ortega, Pedro A.; Guzmán, Miguel E.; Vera, Leonel R.; Velázquez, Jorge A.; Abuín, Eisa B. (Sociedad Chilena de Quimica, 2000)
      Physicochemical parameters, ε, λ, solubility in water and Brij-35, pKa, Ka and photostability for dihydroeuparin, 5-acetyl-2, 3-dihydro-6-hydroxi-2-isopropenyl-benzo (b) furan (from Senecio Graveolens), were obtained and ...
    • Dihydropyridine-fused and pyridine-fused coumarins: Reduction on a glassy carbon electrode in dimethylformamide 
      Núñez Vergara, Luis; Pardo Jiménez, V; Barrientos, C.; Olea Azar, Claudio; Navarrete-Encina, P. A.; Squella Serrano, Juan (2012)
      In this study, two series of dihydropyridine-fused and pyridine-fused coumarins were synthesised and electrochemically characterised in aprotic medium. In both series, the most easily reducible groups were the endocyclic ...