Now showing items 1088-1107 of 2543

    • 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 oxidized derivatives 

      López Alarcón, Camilo Ignacio; 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) ...
    • Gene expression and chromosomal location for susceptibility to Sjögren's syndrome 

      Pérez, Paola; Anaya, Juan Manuel; Aguilera, Sergio; Urzúa Tobar, Ulises; Munroe, David; Molina, Claudio; Hermoso Ramello, Marcela; Cherry, James Michael; Alliende, Cecilia; Olea, Nancy; Ruiz-Narváez, Edward; González Burgos, María Julieta (2009)
      Primary Sjögren's syndrome (SS) is a chronic inflammatory autoimmune disease affecting mainly the exocrine glands. Its physio-pathology is poorly understood and most of the knowledge has been related to the inflammatory ...
    • Generation of superoxide radicals by copper-glutathione complexes: Redox-consequences associated with their interaction with reduced glutathione 

      Speisky Cosoy, Hernán; Gómez, Maritza; Burgos Bravo, Francesca; López Alarcón, Camilo Ignacio; Jullian Matthaei, Carolina; Olea Azar, Claudio; Aliaga, Margarita E. (PERGAMON-ELSEVIER SCIENCE LTD, 2009-03-01)
      The interaction between Cu2+ ions and GSH molecules leads to the swift formation of the physiologically occurring Cu(I)-[GSH](2) complex. Recently, we reported that this complex is able to reduce molecular oxygen into ...
    • Generic and similar products in Latin American countries: Current aspects and perspectives on bioequivalence and biowaivers 

      Storpirtis, Sílvia; Gai, Maria Nella; Cristofoletti, Rodrigo (IOS Press, 2014)
      © 2014 - Network of Centres for Study of Pharmaceutical Law. All rights reserved.In the XIX and XX centuries, Latin American countries have experienced several changes on politics and economics, facing problems related to ...
    • Genetic composition of Mytilus species in mussel populations from southern Chile 

      Larraín Barth, María Angélica; Díaz Pérez, Nelson; Lamas, Carmen; Vargas, Carlos; Araneda Tolosa, Cristian (2012)
      Mussels are one of the most cultivated and commercialized bivalves worldwide and in southern Chile its culture represent an important economic activity. The species identification within the Mytilus genera, by morphological ...
    • Genomic positional conservation identifies topological anchor point RNAs linked to developmental loci 

      Amaral, Paulo P.; Leonardi, Tommaso; Han, Namshik; Vire, Emmanuelle; Gascoigne, Dennis K.; Arias Carrasco, Raúl; Buscher, Magdalena; Pandolfini, Luca; Zhang, Anda; Pluchino, Stefano; Maracaja Coutinho, Vinicius; Nakaya, Helder I.; Hemberg, Martin; Shiekhattar, Ramin; Enright, Anton J.; Kouzarides, Tony (BIOMED Central Ltd., 2018)
      Background: The mammalian genome is transcribed into large numbers of long noncoding RNAs (lncRNAs), but the definition of functional lncRNA groups has proven difficult, partly due to their low sequence conservation and ...
    • Geochemical characteristics of central Chile (33 °-34 °S) granitoids 

      López -Escobar, Leopoldo; Frey, Frederick A.; Oyarzún, Jorge (Springer-Verlag, 1979)
      Seventeen granitoid samples from batholiths in central Chile (33 °-34 ° S) have been analyzed for trace element content. The samples range in age from Paleozoic to Tertiary, and in rock type from quartz diorite to granite. ...
    • Germacrano aislado de Baccharis sphaerocephala 

      Rivera, L. A.Patricio; Hernandez, G. Rosario (1996)
      In this work, we report on the isolation and identification of the sesquiterpene 6-Oxo-germacra-1(10)E,4(15)-diene (1). This compound was isolated for the first time from a Chilean Baccharis, B. Sphacrocephala.
    • Glassy carbon electrodes modified with CNT dispersed in chitosan: Analytical applications for sensing DNA-methylene blue interaction 

      Arias, Paulina; Ferreyra, Nancy F.; Rivas, Gustavo A.; Bollo Dragnic, Soledad (Elsevier, 2009)
      In this work we report the optimization of a chitosan (CHI) and carbon nanotubes (CNT) modified electrode, CNT-CHI, to study the dsDNA interaction with methylene blue (MB), a well-known DNA intercalator. The analytical ...
    • Glassy carbon electrodes modified with multiwall carbon nanotubes dispersed in polylysine 

      Jalit, Yamile; Rodríguez, Marcela C.; Rubianes, María D.; Bollo Dragnic, Soledad; Rivas, Gustavo A. (WILEY-V C H VERLAG GMBH, 2008-08)
      We report the analytical performance of glassy carbon electrodes (GCE) modified with a dispersion of multiwall carbon nanotubes (MWCNT) in polylysine (Plys) (GCE/MWCNT-Plys). The resulting electrodes show an excellent ...
    • Gln(27)-> Glu beta(2)-Adrenergic Receptor Polymorphism in Heart Failure Patients: Differential Clinical and Oxidative Response to Carvedilol 

      Troncoso Cotal, Rodrigo Andrés; Moraga, Francisco; Chiong Lay, Mario; Roldán S., Juan; Bravo Méndez, Roberto; Valenzuela, Rodrigo; Díaz Araya, Guillermo; Campo Sfeir, Andrea Estefanía del; Sanhueza Muñoz, Carlos Joaquín; Rodríguez Villarroel, Andrea Elizabeth; Vukasovic Ramírez, José Luis; Mellado, Rose Marie; Greig, Douglas; Castro, Pablo; Lavandero González, Sergio (WILEY-BLACKWELL PUBLISHING, 2009-05)
      We investigated the clinical response of chronic heart failure patients with beta(2)- adrenergic receptor Gln(27)-> Glu polymorphism treated for 6 months with carvedilol, a alpha/beta-antagonist with antioxidant properties. ...
    • Glomalin-related soil protein in a Mediterranean ecosystem affected by a copper smelter and its contribution to Cu and Zn sequestration 

      Cornejo, Pablo; Meier, Sebastián; Borie B., Gilda; Rillig, Matthias C.; Borie, Fernando (ELSEVIER, 2008-11-15)
      The amount of glomalin-related soil protein (GRSP), a glycoprotein produced by arbuscular mycorrhizal fungi (AMF), its contribution to the sequestering of Cu and Zn in the soil, and the microsite variation of other soil ...
    • GLP-1 promotes mitochondrial metabolism in vascular smooth muscle cells by enhancing endoplasmic reticulum-mitochondria coupling 

      Morales, Pablo E.; Torres, Gloria; Sotomayor Flores, Cristian Alejandro; Peña Oyarzún, Daniel; Rivera Mejías, Pablo; Paredes, Felipe; Chiong Lay, Mario (Academic Press Inc., 2014)
      Incretin GLP-1 has important metabolic effects on several tissues, mainly through the regulation of glucose uptake and usage. One mechanism for increasing cell metabolism is modulating endoplasmic reticulum (ER)-mitochondria ...
    • GLP-1 promotes mitochondrial metabolism in vascular smooth muscle cells by enhancing endoplasmic reticulum–mitochondria coupling 

      Morales, Pablo E.; Torres, Gloria; Sotomayor Torres, Cristian; Peña Oyarzún, Daniel; Rivera Mejías, Pablo; Paredes, Felipe; Chiong Lay, Mario (Elsevier, 2014)
      Incretin GLP-1 has important metabolic effects on several tissues, mainly through the regulation of glucose uptake and usage. One mechanism for increasing cell metabolism is modulating endoplasmic reticulum (ER)–mitochondria ...
    • Glucagon-like peptide-1 inhibits vascular smooth muscle cell dedifferentiation through mitochondrial dynamics regulation 

      Torres, Gloria; Morales, Pablo E.; García Miguel, Marina; Norambuena Soto, Ignacio; Cartes Saavedra, Benjamin; Vidal Pena, Gonzalo; Moncada Ruff, David; Sanhueza Olivares, Fernanda; San Martín, Alejandra; Chiong Lay, Mario (PERGAMON-ELSEVIER SCIENCE LTD., 2016)
      Glucagon-like peptide-1 (GLP-1) is a neuroendocrine hormone produced by gastrointestinal tract in response to food ingestion. GLP-1 plays a very important role in the glucose homeostasis by stimulating glucose-dependent ...
    • Glucose deprivation causes oxidative stress and stimulates aggresome formation and autophagy in cultured cardiac myocytes 

      Marambio, Paola; Toro, Barbra; Sanhueza, Carlos; Troncoso, Rodrigo; Parra, Valentina; Verdejo, Hugo; García Nannig, Lorena; Quiroga, Clara; Munafo, Daniela; Díaz Elizondo, Jessica; Bravo Sagua, Roberto; González Burgos, María Julieta; Díaz Araya, Guillermo; Pedrozo Cibils, Zully; Chiong Lay, Mario; Co (2010)
      Aggresomes are dynamic structures formed when the ubiquitin-proteasome system is overwhelmed with aggregation-prone proteins. In this process, small protein aggregates are actively transported towards the microtubule-organizing ...
    • Glutathione Depletion Induces Spermatogonial Cell Autophagy 

      Mancilla, Héctor; Maldonado, Rodrigo; Cereceda, Karina; Villarroel Espíndola, Franz; Montes de Oca, Marco; Angulo, Constanza; Castro, Maite A.; Slebe, Juan C.; Vera, Juan C.; Lavandero González, Sergio (Wiley-Blackwell, 2015)
      The development and survival of male germ cells depend on the antioxidant capacity of the seminiferous tubule. Glutathione (GSH) plays an important role in the antioxidant defenses of the spermatogenic epithelium. Autophagy ...