Now showing items 549-568 of 2801

    • Jirón Aliste, Marcela; Machado, Marcio; Ruiz, Inés (SOC MEDICA SANTIAGO, 2008-09)
      Background: Data from the Ministry of Health show that in Chile in 2004, 17% of the population had some form of depression and mood disorders are the tenth cause of disability-adjusted life years (DALY) loss. Aim: To ...
    • Vega, Elena María; Fontana, Daniela; Iturrieta, Martha; Segovia, Liliana; Rodríguez, Gabriela; Agüero, Sandra (Sociedad Chilena de Infectología, 2015)
      Introducción: El uso racional de antibióticos (ATB) implica conocer su utilización y variaciones de prescripción en el tiempo. Objetivo: Describir y analizar el uso de ATB en la unidad de terapia intensiva (UTI) de adultos ...
    • Jirón Aliste, Marcela; Machado, Marcio; Ruiz, Inés (SOC MEDICA SANTIAGO, 2008-09)
      Background: Data from the Ministry of Health show that in Chile in 2004, 17% of the population had some form of depression and mood disorders are the tenth cause of disability-adjusted life years (DALY) loss. Aim: To ...
    • Préndez Bolívar, María Margarita (Sociedad Chilena de Química, 1984)
      En este trabajo se entrega una visión general del trabajo con material particulado suspendido en el aire. Sobre la base de los resultados obtenidos en el Grupo de Contaminación Atmosférica de la Facultad de Ciencias Básicas ...
    • Schalscha B., Eduardo; Escudero, Paula; Ahumada Torres, Aída Inés de Lourdes (Universita degli Studi di Pisa, Istituto di Chimica Agraria, 1999)
      La movilidad y disponibilidad de micro elementos o trazas de metales pesados es una función de su contenido en el substrato y está determinada principalmente por las formas químicas en que se presente en aquel (KABATAPENDIAS, ...
    • Toral Ponce, María; Hernández, Paola; Richter Duk, Pablo (MARCEL DEKKER INC, 1996)
      A continuous flow injection reaction-stopped flow detection method using derivative spectrophotometry was developed for the determination of cobalt and iron in mixtures. A conventional two-channel flow injection manifold ...
    • Catalán Díaz, Mabel Elizabeth; Castro Castillo, Vicente; Gajardo de la Fuente, Javier; Aguilera, Jocelyn; Ferreira, Jorge; Ramires Fernández, Ricardo; Olmedo Alegría, Ivonne Odette; Molina Berríos, Alfredo Enrique; Palominos, Charlotte; Valencia, Marcelo; Domínguez, Marta; Souto, José A.; Jara Sandoval, José (Royal Society of Chemistry, 2020)
      Continuous flow chemistry was used for the synthesis of a series of delocalized lipophilic triphenylphosphonium cations (DLCs) linked by means of an ester functional group to several hydroxylated benzoic acid derivatives ...
    • Retamal, Mauricio; Ahumada, Inés; Maricán, Adolfo; Fuentes, Edwar; Borie B., Gilda; Richter Duk, Pablo (2010)
      An extraction method of polycyclic aromatic hydrocarbons (PAHs) from biosolids, based on continuous pressurized solvent extraction (PSE), was developed and optimized through an experimental design and followed by gas ...
    • Niu, Wenyan; Bilan, Philip J.; Ishikura, Shuhei; Schertzer, Jonathan D.; Contreras Ferrat, Ariel Eduardo; Fu, Zhengxiang; Liu, Jie; Boguslavsky, Shlomit; Foley, Kevin P.; Liu, Zhi; Li, Jinru; Chu, Guilan; Panakkezhum, Thomas; Lopaschuk, Gary D.; Lavandero González, Sergio; Yao, Zhi; Klip (2010)
      Muscle contraction stimulates glucose uptake acutely to increase energy supply, but suitable cellular models that faithfully reproduce this complex phenomenon are lacking. To this end, we have developed a cellular model ...
    • Niu, Wenyan; Bilan, Philip J.; Ishikura, Shuhei; Schertzer, Jonathan D.; Contreras Ferrat, Ariel Eduardo; Fu, Zhengxiang; Liu, Jie; Boguslavsky, Shlomit; Foley, Kevin P.; Liu, Zhi; Li, Jinru; Chu, Guilan; Panakkezhum, Thomas; Lopaschuk, Gary D.; Lavandero González, Sergio; Yao, Zhi; Klip, Amira (2010)
      Contraction-related stimuli regulate GLUT4 traffic in C2C12- GLUT4myc skeletal muscle cells. Am J Physiol Endocrinol Metab 298: E1058 –E1071, 2010. First published February 16, 2010; doi:10.1152/ajpendo.00773.2009.—Muscle ...
    • Zúñiga, María A.; Pérez Roa, Rodolfo E.; Olea Azar, Claudio; Laurie, V. Felipe; Agosin Trumper, Eduardo (Elsevier, 2014)
      In this research, we determined the chemical composition of 37 Vitis vinifera cv. Carme´ne` re wines and established their antioxidant capacity (AC). A set of 26 measurements of chemical species potentially related to ...
    • Gil, Yolimar; Fuentealba, Pablo; Vega, Andrés; Spodine Spiridonova, Evgenia; Aravena, Daniel (Royal Soc. Chemistry, 2020)
      A family of hexaazamacrocyclic lanthanide complexes, [Ln(L-n)(NCS)(3)] (Ln(III) = Dy, Er; n = 1-3) has been synthesized and characterized by single-crystal X-ray diffraction, magnetic measurements and ab initio calculations. ...
    • Lemus Mondaca, Roberto; Pizarro Oteíza, Sebastián; Pérez Won, Mario; Tabilo Munizaga, Gipsy (Wiley, 2018)
      The focus of this research was based on the application of an osmotic pretreatment (15% NaCl) for drying abalone slices, and it evaluates the influence of hot-air drying temperature (40-80 degrees C) on the product quality. ...
    • Muñiz, Kilian; Almodovar, Iriux; Streuff, Jan; Nieger, Martin (WILEY-V C H VERLAG GMBH, 2006-09)
      In situ generated osmium-diamine chelates from 2,3-diaminopropionic acid or diaminosuccinic acid represent efficient catalysts for the highly productive aminohydroxylation of alkenes. The reaction can be employed with ...
    • Encina, Cristian; Vergara Hinostroza, Cristina; Giménez, Begoña; Oyarzún Ampuero, Felipe; Robert Canales, Paz (Elsevier, 2016)
      Polyunsaturated fatty acids, especially long-chain polyunsaturated omega-3 fatty acids (LCco3-PUFA), are essential in human nutrition because they play an important role in humans and prevent several diseases. Fish oil is ...
    • Luo, Yuxuan; Jiang, Nan; May, Herman I.; Luo, Xiang; Ferdous, Anwerul; Schiattarella, Gabriele G.; Chen, Guihao; Li, Qinfeng; Li, Chao; Rothermel, Beverly A.; Jiang, Dingsheng; Lavandero González, Sergio Alejandro; Gillette, Thomas G.; Hill, Joseph A. (Lippincott Williams & Wilkins, 2021)
      Background: Cardiac hypertrophy is an independent risk factor for heart failure, a leading cause of morbidity and mortality globally. The calcineurin/NFAT (nuclear factor of activated T cells) pathway and the MAPK ...
    • Ahumada Torres, Aída Inés de Lourdes; Gudenschwager Soruco, Orianne; Carrasco Rimassa, María Adriana; Castillo Morales, Gabriela; Ascar Estay, María Loreto; Richter Duk, Pablo (ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2009-06)
      The purpose of this study was assessing Cu and Zn availabilities in soils amended with a biosolid through the determination of their sequentially extracted chemical forms and their relationship with the contents of these ...
    • Bustamante Araya, Ramiro; Toral Ponce, María; Richter Duk, Pablo; Serey Estay, Italo; Yates, L. R. (KLUWER ACADEMIC PUBL, 1997-05)
      Copper mining activities are very important in central Chile. Like other metals, copper is a nutrient for most plants at low concentration levels; however, at higher levels it may become toxic. At present, copper abundance ...
    • Álvarez Armijo, Sergio Aníbal; Jerez Guevara, Carlos (AMER SOC MICROBIOLOGY, 2004-09)
      For some bacteria and algae, it has been proposed that inorganic polyphosphates and transport of metal-phosphate complexes could participate in heavy metal tolerance. To test for this possibility in Acidithiobacillus ...
    • Letelier Muñoz, María Eugenia; Lagos, Fernando; Faúndez, Mario; Miranda, Dante; Montoya, Margarita; Aracena Parks, Paula; González Lira, Víctor (ELSEVIER IRELAND LTD, 2007-04)
      Treatment of hepatic microsomes with Fe3+/ascorbate activates UDP-glucuronyltransferase (UGT), a phenomenon totally prevented and reversed by reducing agents. At #2;M concentrations, iron and copper ions catalyze the ...