Browsing by Title Artículos de revistas

Now showing items 1351-1370 of 2801

    • Incommensurate structures investigated by X-ray studies of electropolymerised methacrylic monomer with TiO2 ... 
      Martínez Miranda, L. J.; Romero Hasler, P.; Meneses Franco, A.; Soto Bustamante, Eduardo (Taylor & Francis, 2017)
      We explore the possibility of producing polymer nanocomposites with an ordered distribution of nanoparticles by using an electropolymerizable liquid crystal (LC) monomer. The nanoparticles are added to the monomer before ...
    • Incomplete processing of peroxidase transcripts in the lignin degrading fungus Phanerochaete chrysosporium 
      Stuardo, Macarena; Larrondo, Luis Fernando; Vásquez, Mónica; Vicuña, Rafael; González, Bernardo (2005)
      Phanerochaete chrysosporium has been thoroughly studied as a microbial model for lignin degradation. The enzymes lignin peroxidase (LiP) and manganese peroxidase (MnP), both encoded by several genes, play the main role in ...
    • Incorporation of NiO into SiO2, TiO2, Al2O3, and Na4.2Ca2.8(Si6O18) matrices: medium effect on the optical ... 
      Alvarado Díaz, Carlos; Valenzuela, María L.; Cifuentes Vaca, Olga; Segovia, Marjorie; Laguna Bercero, Miguel A. (MDPI, 2020)
      The medium effect of the optical and catalytic degradation of methylene blue was studied in the NiO/SiO2, NiO/TiO2, NiO/Al2O3, and NiO/Na4.2Ca2.8(Si6O18) composites, which were prepared by a solid-state method. The new ...
    • Increased activity of testosterone hydroxylases in liver microsomes of diabetic rats treated with insulin 
      del Villar, Eugenia; Mancilla, Jerson; Vega, Patricio; Sanchez, Emilio (1985)
      1. 1. Liver microsomes from alloxan diabetic rats displayed decreased activity to hydroxylate testosterone only at the 2-α and 6-β positions. 2. 2. Diabetic insulin-treated rats showed higher hydroxylase activities than ...
    • Increased aortic NADPH oxidase activity in rats with genetically high angiotensin-converting enzyme levels 
      Jalil Milad, Jorge; Pérez, Alfonso; Ocaranza, María Paz; Bargetto, Jorge; Galaz, Alfonso; Lavandero González, Sergio (LIPPINCOTT WILLIAMS & WILKINS, 2005-12)
      In humans and rats, angiotensin I-converting enzyme activity is significantly determined by a gene polymorphism. Homozygous Brown Norway rats have higher plasma angiotensin I-converting enzyme activity and circulating ...
    • Increased ER-mitochondrial coupling promotes mitochondrial respiration and bioenergetics during early phases ... 
      Bravo Méndez, Roberto; Vicencio Bustamante, José Miguel; Parra Ortíz, María Valentina; Troncoso, Rodrigo; Muñoz, Juan Pablo; Bui, Michael; Quiroga Lagos, Clara; Rodríguez Villarroel, Andrea Elizabeth; Verdejo, Hugo E.; Ferreira Parker, Jorge; Iglewski, Miriam; Chiong Lay, Mario; Simmen, Thomas; Zorzano, Antonio; Hill, Joseph A.; Rothermel, B. A.; Szabadkai, Gyorgy; Lavandero González, Sergio (COMPANY OF BIOLOGISTS LTD., 2011-07-15)
      Increasing evidence indicates that endoplasmic reticulum (ER) stress activates the adaptive unfolded protein response (UPR), but that beyond a certain degree of ER damage, this response triggers apoptotic pathways. The ...
    • Increased ER-mitochondrial coupling promotes mitochondrial respiration and bioenergetics during early phases ... 
      Bravo Méndez, Roberto; Vicencio Bustamante, José Miguel; Parra Ortíz, María Valentina; Troncoso Cotal, Rodrigo; Muñoz, Juan Pablo; Bui, Michael; Quiroga Lagos, Clara; Rodríguez Villarroel, Andrea Elizabeth; Verdejo, Hugo; Ferreira Parker, Jorge; Iglewski, Miriam; Chiong Lay, Mario; Simmen, Thomas; Zorzano, Antonio; Hill, Joseph A.; Rothermel, B. A.; Szabadkai, G.; Lavandero González, Sergio (COMPANY OF BIOLOGISTS LTD, 2011-07-15)
    • Increased expression of mature cathepsin B in aging rat liver 
      Keppler, Daniel; Walter, Robin; Pérez, Claudio; Sierra, Felipe (Springer Verlag, 2000)
      Senescence has been proposed as an important safeguard against neoplasia. One of the hallmarks of cellular senescence in vitro as well as human aging in vivo is a reduced intracellular protein catabolism. The pathways ...
    • An increased intraovarian synthesis of nerve growth factor and its low affinity receptor is a principal ... 
      Lara Peñaloza, Hernán; Dissen, G. A.; Leyton Canales, Víctor; Paredes Vargas, Alfonso; Fuenzalida Cruz, Héctor; Fiedler Temer, Jenny; Ojeda, Sergio R. (ENDOCRINE SOC, 2000-03)
      A form of polycystic ovary (PCO) resembling some aspects of the human PCO syndrome can be induced in rats by a single injection of estradiol valerate (EV). An increase in sympathetic outflow to the ovary precedes, by several ...
    • An increased intraovarian synthesis of nerve growth factor and its low affinity receptor is a principal ... 
      Lara Peñaloza, Hernán; Dissen, G. A.; Leyton Canales, Víctor; Paredes Vargas, Alfonso; Fuenzalida Cruz, Héctor; Fiedler Temer, Jenny; Ojeda, Sergio R. (ENDOCRINE SOC, 2000-03)
      A form of polycystic ovary (PCO) resembling some aspects of the human PCO syndrome can be induced in rats by a single injection of estradiol valerate (EV). An increase in sympathetic outflow to the ovary precedes, by several ...
    • Increased Oxidative Stress Correlates With Pulmonary Vascular Response to Vasodilators in Pulmonary Artery ... 
      Castro Agüero, Pablo; Gabrielli, Luigi; Fasce, Fabrizio; Verdejo, Hugo; Greig, Douglas; Llevaneras, Silvana; Ferrada, Marcela; Hernández, Claudia; Godoy, Iván; García Nannig, Lorena; Mellado, Rose Marie; Sepúlveda, Pablo; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2009-03-10)
      Meeting Abstract
    • Increased resistance against oxidative stress is observed during a short period of renal reperfusion after ... 
      Campos, Rolando; Garrido, Argelia; Guerra, Ricardo; Valenzuela Bonomo, Carlos (Informa Healthcare, 1990)
      Reperfusion of rat kidney submitted to temporal ischaemia induces a decrease in glutathione content. Lipid peroxidation is not detected in kidney homogenates but microsomes obtained after periods of reperfusion longer than ...
    • Indazole N-oxide derivatives as antiprotozoal agents: Synthesis, biological evaluation and mechanism of ... 
      Gerpe, Alejandra; Aguirre, Gabriela; Boiani, Lucía; Cerecetto, Hugo; González, Mercedes; Olea Azar, Claudio; Rigol Olsen, Carolina; Maya Arango, Juan; Morello Casté, Antonio; Piro, Oscar E.; Arán, Vicente J.; Azqueta, Amaia; López de Ceráin, Adela; Monge, Antonio; Rojas, María Antonieta; Yaluff, Gloria (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05-15)
      A series of indazole N-oxide derivatives have been synthesized and their antichagasic and leishmanocidal properties studied. 3-Cyano-2-(4-iodophenyl)-2H-indazole N-1-oxide exhibited interesting antichagasic activity on the ...
    • Indole-3-carbaldehyde semicarbazone derivatives: synthesis, characterization, and antibacterial activities 
      Carrasco, Fernando; Hernández, Wilfredo; Chupayo, Óscar; Álvarez, Celedonio M.; Oramas Royo, Sandra; Spodine Spiridonova, Evgenia; Tamariz-Ángeles, Carmen; Olivera Gonzales, Percy; Dávalos, Juan Z. (Hindawi, 2020)
      Four indole-3-carbaldehyde semicarbazone derivatives, 2-((5-bromo-1H-indol-3-yl)methylene)hydrazinecarboxamide (1), 2-((5-chloro-1H-indol-3-yl)methylene)hydrazinecarboxamide (2), 2-((5-methoxy-1H-indol-3-yl)methylene)hyd ...
    • Induced distant cotton effects in an aromatic chromophore in mixed aminoacides of copper(II) 
      Bunel Torrealba, Sergio; Ibarra, Carmen; Urbina, A.; Bunton, Clifford A. (Pergamon Press, 1977)
      Chiral amino acids bonded to copper(II) induce Cotton effects in the visible and UV regions corresponding tod-d and charge transfer transitions [1,2] but and induced Cotton effect on a distant ligand has not been observed ...
    • Induced distant cotton effects in mixed Cu(II) complexes of amino and hydroxy acids and heterocyclic ligands 
      Bunel Torrealba, Sergio; Ibarra, Carmen; Rodríguez, M.; Urbina, A.; Bunton, Clifford A. (Pergamon Press Ltd., 1981)
      Mixed 1:1:1 complexes of proline or aspartic acid with Cu(II) and 9:10-phenanthroline (phen) or 2,2'bipyridine (bipy) show induced Cotton effects in the aromatic region. The effect is ascribed to interactionsbetween the ...
    • Industrial frying of crisps. Influence of the unsaturation degree of frying fat on the oxidative stability ... 
      Robert Canales, Paz; Masson, Lilia; Romero, Nalda; Dobarganes, M. C.; Izaurieta, Macarena; Ortíz, Jaime; Wittig, Emma (Instituto de la Grasa, 2001)
      Oxidative stability of crisps fried in two vegetable oils: sunflower oil (SO) and partially hydrogenated sunflower oil (PHSO), was studied. Crisps were stored at temperature at daylight, at 40°C in oven, and a -23°C as a ...
    • Infection of Mice by Salmonella enterica Serovar Enteritidis Involves Additional Genes That Are Absent in ... 
      Silva, Cecilia A.; Blondel, Carlos J.; Quezada, Carolina P.; Porwollik, Steffen; Andrews Polymenis, Helene L.; Toro, Cecilia S.; Zaldívar San Román, María Mercedes; Contreras, Inés; McClelland, Michael; Santiviago Cid, Carlos (AMER SOC MICROBIOLOGY, 2012-02)
      Salmonella enterica serovar Enteritidis causes a systemic, typhoid-like infection in newly hatched poultry and mice. In the present study, a library of 54,000 transposon mutants of S. Enteritidis phage type 4 (PT4) strain ...
    • Inflamación y disfunción endotelial en pacientes con insuficiencia cardiaca crónica 
      Greig, Douglas; Castro, Pablo; Gabrielli, Luigi A.; Miranda, Rodrigo; Verdejo, Hugo; Alcaíno Gálvez, Hernán Alejandro; Bustos, Carlos; Chiong Lay, Mario; Godoy, Iván; Mellado, Rose Marie; García Nannig, Lorena; Salas, Daniela; Vivar Sánchez, Raúl; Vukasovic Ramírez, José Luis; Concepción, Roberto; Díaz Araya, Guillermo (SOC MEDICA SANTIAGO, 2008-06)
      Background: In chronic heart failure (CHF), endothelial dysfunction (ED) is a consequence of an imbalance of vascular tone regulating substances. The relationship between ED and inflammation has not been fully investigated. ...
    • Inflamación y estrés oxidativo en el síndrome coronario agudo: ¿Dos fenómenos relacionados? 
      Bittner, Alex; Castro Gálvez, Pablo; Pérez, Osvaldo; Corbalán, Ramón; Troncoso Cotal, Rodrigo Hernán; Chiong Lay, Mario; Díaz Araya, Guillermo; Vicencio Bustamante, José Miguel; Moraga, Francisco; Zanolli, Diego; Winter, José L.; Zambrano, Juan J.; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2005)
      Hemos descrito un incremento en el estrés oxidativo (EO) en pacientes con síndrome coronario agudo (SCA), relacionado con el fenómeno de isquemia-reperfusión. La inflamación es otra potencial fuente de especies reactivas ...