Browsing by Title Artículos de revistas

Now showing items 1451-1470 of 2801

    • Ionic liquids for improving the extraction of NSAIDs in water samples using dispersive liquid-liquid ... 
      Toledo Neira, Carla; Álvarez Lueje, Alejandro (Elsevier B.V., 2015)
      A rapid, sensitive and efficient analytical method based on the use of ionic liquids for determination of non-steroidal anti-inflammatory drugs (NSAIDs) in water samples was developed. High-performance liquid chromatography ...
    • Ionic liquids intercalated in montmorillonite as the sorptive phase for the extraction of low-polarity ... 
      Fiscal-Ladino, Jhon A.; Obando-Ceballos, Mónica; Rosero-Moreano, Milton; Montaño, Diego F.; Cardona, Wilson; Giraldo, Luis F.; Richter Duk, Pablo (Elsevier B.V., 2017)
      © 2016 Elsevier B.V. Montmorillonite (MMT) clays were modified by the intercalation into their galleries of ionic liquids (IL) based on imidazolium quaternary ammonium salts. This new eco-materials exhibited good features ...
    • Ionic self-complementarity induces amyloid-like fibril formation in an isolated domain of a plant copper ... 
      Mira, Helena.; Vilar, Marçal; Esteve, Vicent; Martinell, Marc; Kogan Bocian, Marcelo; Giralt, Ernest; Salom, David; Mingarro, Ismael; Peñarrubia, Lola; Pérez Payá, Enrique (BioMed Central Ltd., 2004-06-04)
      Arabidopsis thaliana copper metallochaperone CCH is a functional homologue of yeast antioxidant ATXI, involved in cytosolic copper transport. In higher plants, CCH has to be transported to specialised cells through ...
    • Iridoid Glycosides from Escallonia Species 
      Tomassini, L.; Foddai, S.; Nicoletti, M.; Erazo, Silvia; García, R.; Bravo, F.H. (Pergamon Press Ltd, 1993)
      Phytochemical study of Escallonia myrtoidea, E. illinita, E. alpina and E. pulverulenta led to the isolation of asperuloside and other C10-iridoid glycosides. From E. myrtoidea a new iridoid glycoside was isolated and ...
    • Iron induces protection and necrosis in cultured cardiomyocytes: Role of reactive oxygen species and nitric oxide 
      Muñoz, Juan Pablo; Chiong Lay, Mario; García Nannig, Lorena; Troncoso Cotal, Rodrigo; Toro, Barbra; Pedrozo Cibils, Zully; Díaz Elizondo, Jessica; Salas, Daniela; Parra Ortíz, María Valentina; Núñez González, Marco; Hidalgo Tapia, María Cecilia; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2010-02-15)
      We investigate here the role of reactive oxygen species and nitric oxide in iron-induced cardiomyocyte hypertrophy or cell death Cultured rat cardiomyocytes incubated with 20 mu M iron (added as FeCl3-Na nitrilotriacetate, ...
    • Iron-induced oxidative damage in colon carcinoma (Caco-2) cells 
      Núñez González, Marco; Tapia, Victoria; Toyokuni, Shinya; Okada, Shigeru (Harwood Academic Publishers GmbH, 2001)
      Intestinal epithelial cells have an active apical iron uptake system that is involved in the regulated absorption of iron. By the action of this system, intestinal cells acquire increasing amounts of iron with time. Since ...
    • Iron-iron interaction through an ethanedithiolate ligand: A magnetic and theoretical study 
      Costuas, Karine; Valenzuela, María Luisa; Vega, Andrés; Moreno, Yanko; Pea, Octavio; Spodine Spiridonova, Evgenia; Saillard, Jean; Díaz, Carlos (2002)
      The compound ([CpFe(dppe)]2[μ-SCH2CH2S-S,S′]) (PF6)2 ([1][PF6]2) has been synthesized and its magnetic properties have been investigated by susceptometer quantum interface device (SQUID) measurements in the temperature ...
    • Is mitochondrial dysfunction a common root of noncommunicable chronic diseases? 
      Díaz Vegas, Alexis; Sánchez Aguilera, Pablo; Krycer, James R; Morales, Pablo E.; Monsalves Álvarez, Matías; Cifuentes Koster, Mariana; Rothermel, Beverly A.; Lavandero González, Sergio (Endocrine Society, 2020)
      Mitochondrial damage is implicated as a major contributing factor for a number of noncommunicable chronic diseases such as cardiovascular diseases, cancer, obesity, and insulin resistance/type 2 diabetes. Here, we discuss ...
    • Is the determination of the association constant of cyclodextrin inclusion complexes dependent on the technique 
      Yáñez Soto, Claudia; Günther Sapunar, Germán (Sociedad Chilena de Química, 2014)
      Differences in association constants values of cyclodextrin inclusion complexes can be found in the literature. Most of the times, different experimental conditions have been used leading to different results. This paper ...
    • Isoenzyme multiplicity and characterization of recombinant manganese peroxidases from Ceriporiopsis ... 
      Larrondo, L. F.; Lobos, S.; Stewart, P.; Cullen, D.; Vicuña E., Rafael (AMER SOC MICROBIOLOGY, 2001-05)
      We expressed cDNAs coding for manganese peroxidases (MnPs! from the basidiomycetes Ceriporiopsis subvermispora (MnP1) and Phanerochaete chrysosporium (H4) under control of the alpha -amylase promoter from. Aspergillus ...
    • Isolation and characterization of cobalt (III) tris-D-aminosugars 
      Parada Aliste, José; Larrazábal Rojas, Guillermo; Mendoza, Jorge; Cañón, Walter; Ibarra, Carmen (SOCIEDAD CHILENA DE QUIMICA, 2006-06)
      Mixed complexes of animosugars and 1,10-phenanthroline (phen) with cobalt(III), with the composition Co(III)(phen)(2)sugar, disproportionate in aqueous solution in approximately one month, giving non ionic tris-aminosugar ...
    • Isolation and characterization of cobalt(III)tris-D-glucosamine 
      Parada Aliste, José; Larrazábal Rojas, Guillermo (SOCIEDAD CHILENA DE QUIMICA, 2004-06)
      Mixed bis-phenanthroline Co(III) complexes with amino sugars disproportionate over a period of months, giving non-ionic tris(aminosugar)complexes. The complex with alpha-D-glucosamine has the Lambda-configuration with ...
    • Isolation and characterization of homokaryotic strains from the ligninolytic basidiomycete Ceriporiopsis ... 
      Tello, Mario; Seelenfreund, Daniela; Lobos, Sergio; Gaskell, Jill; Cullen, Daniel; Vicuña, Rafael (2001)
      Genetic analyses of the lignin-degrading fungus Ceriporiopsis subvermispora is complicated by a dikaryotic nuclear condition and the absence of spore forms. Previous investigations had identified a family of closely related ...
    • Isolation and characterization of phenanthrene degrading bacteria from diesel fuel-contaminated antarctic soils 
      Gran Scheuch, Alejandro Alberto; Fuentes Pérez, Edwar; Bravo Rodríguez, Denisse; Cristobal Jimenez, Juan; Pérez Donoso, José (Frontiers media SA, 2017)
      Antarctica is an attractive target for human exploration and scientific investigation, however the negative effects of human activity on this continent are long lasting and can have serious consequences on the native ...
    • Isomerization studies of Delta,Lambda-[Ni(1,10-phen)(2)(S-aa)](+) systems 
      Larrazábal Rojas, Guillermo; Parada Aliste, José; Decinti Weiss, Emilio (SOCIEDAD CHILENA DE QUIMICA, 1999-03)
      The Delta-Lambda isomerization of partially resolved [Ni(1,10-phen)(2)(S-aa)](+) systems, where Saa is S-phenylalaninate, S-isoleucinate, S-leucinate, S-valinate, or S-alaninate, has been studied at 15, 20 and 25 degrees ...
    • Isomerization studies of ΔΛ,-[Ni(1,10-phen)2(S-aa)]+ systems 
      Larrazábal Rojas, Guillermo; Parada Aliste, José; Decinti Weiss, Emilio (1999)
      The Δ-Λ isomerization of partially resolved [Ni(1,10-phen)2(S-aa)]+ systems, where S-aa is S-phenylalaninate, S-isoleucinate, S-leucinate, S-valinate, or S-alaninate, has been studied at 15,20 and 25°C in methanol as ...
    • Isoproterenol and angiotensin I-converting enzyme in lung, left ventricle, and plasma during myocardial ... 
      Ocaranza, María Paz; Díaz Araya, Guillermo; Chiong Lay, Mario; Muñoz, David; Riveros, Juan Pablo; Ebensperger González, Roberto; Sabat, Sebastián; Irarrázabal, Pablo; Jalil Milad, Jorge; Lavandero González, Sergio (LIPPINCOTT WILLIAMS & WILKINS, 2002-08)
      This study investigated whether long-term administration of isoproterenol (ISO) induces differential expression of angiotensin-converting enzyme (ACE) in lung, plasma, and left ventricle (LV) during development of left ...
    • Isradipine and lacidipine: Effects in vivo and in vitro on Trypanosoma cruzi epimastigotes 
      Núñez Vergara, Luis; Squella Serrano, Juan; Bollo Dragnic, Soledad; Marín Catalán, Rigoberto; Pino, L.; Díaz Araya, Guillermo; Letelier Muñoz, María Eugenia (PERGAMON-ELSEVIER SCIENCE LTD, 1998-01)
      1. Isradipine and lacidipine, two new drugs that are members of the nitro-aryl-1,4-dihydropyridine family, produced inhibition of both growth cultures and oxygen consumption on epimastigotes of Trypanosoma cruzi Tulahuen ...
    • José Victorino Lastarria: Scientific, literary and social astronomy José Victorino Lastarria: Astronomía ... 
      Errázuriz, Verónica Ramírez; Alvarado, Patricio Leyton (Editorial Universida de Granada, 2019)
    • Journal of pharmacy & pharmacognosy research: For specialists working in the pharmaceutical and herbal fields 
      Garrido, Gabino; González, Marisela Valdés; Valdés, Xavier Garrido; Vasallo, Antonio; Suárez, Bárbara B.Garrido; Delporte, Carla; Silveira, Damaris; De Chaves, Douglas S.A.; Pastene, Edgar; Spegazzini, Etile; Chemat, Farid; Castro, Fidel O.; Do Nascimento, Guilherme (Academic Association of Pharmaceutical Sciences from Antofagasta (ASOCIFA), 2017)