Browsing by Title Artículos de revistas

Now showing items 1183-1202 of 2801

    • FoxO1-Dio2 signaling axis governs cardiomyocyte thyroid hormone metabolism and hypertrophic growth 
      Ferdous, Anwarul; Wang, Zhao V.; Luo, Yuxuan; Li, Dan L.; Luo, Xiang; Schiattarella, Gabriele G.; Altamirano, Francisco; May, Herman I.; Battiprolu, Pavan K.; Nguyen, Annie; Rothermel, Beverly A.; Lavandero González, Sergio; Gillette, Thomas G.; Hill, Joseph A. (Nature, 2020)
      Forkhead box O (FoxO) proteins and thyroid hormone (TH) have well established roles in cardiovascular morphogenesis and remodeling. However, specific role(s) of individual FoxO family members in stress-induced growth and ...
    • Fractionation and redox speciation of antimony in agricultural soils by hydride generation-atomic fluorescence ... 
      Fuentes Pérez, Edwar; Pinochet, Hugo; Potin-Gautier, Martine; De Gregori, Ida (AOAC INTERNATIONAL, 2004-01)
      This stability of Sb(Ill) and Sb(V) species was studied during,single extraction from soils by water. EDTA, diluted H2SO4 and H3PO4, and oxalic acid/oxalate solutions, with and without ascorbic acid, were used as stabilizing ...
    • Fractionation of Zn, Cu, Cr, and Ni in wastewaters, solids and in soil. 
      Schalscha B., Edduardo; Morales, M.; Ahumada Torres, Aída Inés de Lourdes; Schirado, T.; Pratt, P. F. (Universita degli Studi di Pisa, Istituto di Chimica Agraria, 1980)
      The application of wastewaters and sludge to agricultural land as a means of disposing of the wastes has been practiced for many decades. Many recent reports (DOWDY and LARSON, 1975; LUND et al., 1976; PAGE, 1974; SCHALSCHA ...
    • Free choice profiling of chilean goat cheese 
      González Viñas, M.; Garrido, N.; Wittig De Penna, E. (2001)
      Different goat cheeses from Chile were studied by Free-Choice Profile (FCP) analysis. Generalized Procrustes Analysis (GPA) applied to FCP data permitted differentiation between samples and informed on the attributes ...
    • Free radical formation and characterization of nitroanisole isomer reduction in different media 
      Núñez Vergara, Luis; Bollo Dragnic, Soledad; Atria Salas, Ana María; Carbajo, J.; Gunckel, S.; Squella Serrano, Juan (ELECTROCHEMICAL SOC INC, 2002-10)
      A comprehensive study of the electrochemical characteristics of 2-, 3-, and 4-nitroanisole isomers in three different electrolytic media has been carried out. Furthermore, kinetic characterization of the one-electron ...
    • Free radical scavengers, anti-inflammatory and analgesic activity of Acaena magellanica 
      Feresin, Gabriela E.; Tapia, E.; Gutiérrez, A.; Delporte Vergara, Carla; Erazo, Silvia; Schmeda Hirschmann, Guillermo (ROYAL PHARMACEUTICAL SOC GREAT BRITAIN, 2002-06)
      Extracts of the whole plant Acaena magellanica (Rosaceae) were assessed for anti-inflammatory and analgesic activity in animal models. At 600 mg kg(-1), the global ethanolic extract (GEE), dichloromethane (DCM) and defatted ...
    • Frequency of sucrose exposure on the cariogenicity of a biofilm-caries model 
      Díaz Garrido, Natalia; Lozano, Carla; Giacaman, Rodrigo A. (Dental Investigations Society, 2016)
      © 2016 European Journal of Dentistry | Published by Wolters Kluwer-Medknow. Objective: Although sucrose is considered the most cariogenic carbohydrate in the human diet, the question of how many exposures are needed to ...
    • Fritura industrial de patatas crisps. Influencia del grado de insaturación de la grasa de fritura sobre ... 
      Robert Canales, Paz; Masson Salaué, Lilia; Romero, Nalda; Dobarganes, Carmen; Izaurieta, Macarena; Ortiz Viedma, Jaime; Wittig Rovira, Emma (Consejo Superior de Investigaciones Científicas, Instituto de la Grasa y sus derivados, 2001)
      Se estudia la estabilidad oxidativa de patatas crisps elaboradas con dos aceites: girasol (AG), girasol parcialmente hidrogenado (AGPH). Las patatas se almacenan a temperatura ambiente con luz, a 40ºC en estufa de aire ...
    • Fritura industrial de patatas crisps. Influencia del grado de insaturación de la grasa de fritura sobre la ... 
      Robert Canales, Paz; Masson Salaué, Lilia; Romero, Nalda; Dobarganes, M. C.; Izaurieta, Macarena; Ortiz Viedma, Jaime; Wittig Rovira, Emma (2001)
      Fritura industrial de patatas crisps. Influencia del grado de insaturación de la grasa de fritura sobre la estabilidad oxidativa durante el almacenamiento. Se estudia la estabilidad oxidativa de patatas crisps elaboradas ...
    • Funcionalizacion de polipropileno en solucion mediante injerto de monometil itaconato 
      Yazdani-Pedram Zobeiri, Mehrdad; Calderon, Katia; Quijada Abarca, Juan (Sociedad Chilena de Quimica, 2000)
      Polypropylene (PP) was functionalized in solution by grafting with monomethyl itaconate (MMI) by using xylene and decalin as solvents and 2,5-dimethyl-2,5-bis(tert-buthylperoxy)hexane (Lup. 101 ) as radical initiator. The ...
    • Functional and nutritional value of the Chilean seaweeds Codium fragile, Gracilaria chilensis and Macrocystis ... 
      Ortiz Viedma, Jaime; Uquiche, Edgar; Robert Canales, Paz; Romero, Nalda; Quitral Robles, Vilma; Llantén, Catherine (2008)
      The nutritional composition of the edible seaweeds Codium fragile, Gracilaria chilensis and Macrocystis pyrifera was determined, including amino acid and fatty acid contents along with tocol and carotenoid contents. The ...
    • Functionalization of polypropylene by grafting with itaconic acid 
      Yazdani-Pedram Zobeiri, Mehrdad; Vega, Héctor; Quijada Abarca, Juan (Wiley-VCH Verlag, 1996)
      Grafting of polypropylene was carried out in both boiling xylene and decalin as solvent medium with itaconic acid (2-methylenesuccinic acid) as functional polar monomer using 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane ...
    • Functionalization of polypropylene in solution through grafting with monomethyl itaconate. 
      Yazdani-Pedram Zobeiri, Mehrdad; Calderón del Río, Katia Romina; Quijada Abarca, Juan (SOCIEDAD CHILENA DE QUIMICA, 2000-06)
      Polypropylene (PP) was functionalized in solution by grafting with monomethyl itaconate (MMI) by using xylene and decalin as solvents and 2,5-dimethyl-2,5-bis(tert-buthylperoxy)hexane (Lup. 101) as radical initiator. The ...
    • Functionalization of stable fluorescent nanodiamonds towards reliable detection of biomarkers for Alzheimer's ... 
      Morales Zavala, Francisco; Casanova Morales, Nathalie; Gonzalez, Raúl B.; Chandia Cristi, América; Estrada, Lisbell D.; Alvizu, Ignacio; Waselowski, Víctor; Guzmán, Fanny; Guerrero, Simón; Oyarzún Olave, Marisol; Rebolledo, Cristian; Rodríguez, Enrique; Armijo, Julien; Bhuyan, Heman; Favre, Mario; Alvarez, Alejandra R.; Kogan Bocian, Marcelo; Maze, Jerónimo R. (BMC, 2018)
      Background: Stable and non-toxic fluorescent markers are gaining attention in molecular diagnostics as powerful tools for enabling long and reliable biological studies. Such markers should not only have a long half-life ...
    • Functionalization of the bis-(o-mercaptobenzoato)-cis-dioxomolibdato(VI) anion, [MoO2(o-SC6H4COO)2]2-, with ... 
      Li Kao, Julia; Carrillo, David; Vega, Andrés; Garland, María Teresa (2002)
      In acetonitrile, the cis-[MoO2]2+ group present in the anionic complex [MoO2(o-SC6H4COO)2]2-, can be functionalized under mild conditions by reaction with arylhydrazines, p-R-C6H4NHNH2. The resulting ionic complexes have ...
    • Functionalized cobalt clusters. Properties of carboxylate clusters (CO)6Co2HCC-COOH and (CO)10Co 4HCC-COOH ... 
      Calvo Pérez, Víctor; Vega, Andrés; Cortés, Piedad; Spodine Spiridonova, Evgenia (Elsevier S.A., 2002)
      Reaction of propiolic acid (HCCCOOH) with dicobalt octacarbonyl (Co 2(CO)8) and tetracobalt dodecacarbonyl (Co 4(CO)12) leads to the organometallic carboxylic acids (CO)6Co2HCC-COOH (1) and (CO)10Co 4HCC-COOH (2) in good ...
    • Gadolinium and neodymium citrates: Evidence for weak ferromagnetic exchange between gadolinium(III) cations 
      Baggio, Ricardo; Calvo, Rafael; Garland, María Teresa; Peña, Octavio; Perec, Mireille; Rizzi, Alberto (AMER CHEMICAL SOC, 2005-11-28)
      A new lanthanide citrate motif of general formula [Ln(Hcit)(H2O)(2)center dot H2O](n), where Ln = Gd (1) and Nd (2) and HCit(3-)= C(OH)(COO-)(CH2COO-)(2), has been synthesized hydrothermally from Ln(2)O(3) and citric acid ...
    • Gas chromatography/mass spectrometric study of non-commercial C-4-substituted 1,4-dihydropyridines and their ... 
      López Alarcón, Camilo; Squella Serrano, Juan; Núñez Vergara, Luis; Báez Guerrero, Hernán; Camargo Grandón, Rodrigo (JOHN WILEY, 2002)
      A gas chromatography/mass spectrometry (GC/MS) method for the qualitative and quantitative determination of the calcium-channel antagonists C-4-substituted 1,4-dihydropyridines, and their corresponding N-ethyl derivatives, ...
    • Gastric cancer: Nanoparticles as tools to improve treatment efficacy 
      Guerrero, Ariel R.; Oyarzún Ampuero, Felipe; Hassan, Natalia; Corvalán, Alejandro; Quest, Andrew F. G.; Kogan Bocian, Marcelo (Bentham Science, 2016)
      In recent years, advances in nanotechnology have raised the specter of developing effective agents for the treatment of high-impact diseases, like gastric cancer, which remains one of the major causes of cancer deaths ...
    • Gelatinase activitiy of matrix metalloproteinases in the cerebrospinal fluid of various patient populations 
      Valenzuela Pedevila, María Antonieta; Cartier Rovirosa, Luis; Collados, L. E.; Kettlun, Ana María; Araya, F.; Concha, C.; Flores, L.; Wolf, M. E.; Mosnaim, A. D. (P J D PUBLICATIONS LTD, 1999)
      We have studied the enzymatic gelatinolytic activity of matrix metalloproteinases (MMPs) present in cerebrospinal fluid (CSF) of samples obtained from 67 individuals, twenty-one nonneurological patients (considered controls) ...