Browsing by Title Artículos de revistas

Now showing items 1954-1973 of 2801

    • Polychlorinated biphenyl behavior in soils amended with biosolids 
      Leiva, Claudio; Ahumada, Inés; Sepúlveda, Betsabet; Richter Duk, Pablo (ELSEVIER, 2010)
      Assessment of the mobility of polychlorinated biphenyls (PCBs) in soils, amended with biosolids at a rate of 30 Mg ha 1, was performed using an incubation process and leaching columns. The incubation process was carried ...
    • Polycyclic aromatic hydrocarbons and their molecular diagnostic ratios in urban atmospheric respirable ... 
      Sienra, María del Rosario; Rosazza, N. G.; Préndez Bolívar, María Margarita (ELSEVIER SCIENCE INC, 2005-06)
      Atmospheric concentrations of polycyclic aromatic hydrocarbons (PAHs) in Santiago de Chile city were evaluated to study particulate PAHs profiles during cold and spring weather periods. Urban atmospheric particulate matter ...
    • Polycystin-1 is required for insulin-like growth factor 1-induced cardiomyocyte hypertrophy 
      Fernández, Carolina; Torrealba, Natalia; Altamirano, Francisco; Garrido Moreno, Valeria Soraya; Vásquez Trincado, César; Flores Vergara, Raúl Alejandro; López Crisosto, Camila; Ocaranza, María Paz; Chiong Lay, Mario Martin; Pedrozo Cibils, Zully Rocío Evangelina; Lavandero González, Sergio (Public Library Science, 2021)
      Cardiac hypertrophy is the result of responses to various physiological or pathological stimuli. Recently, we showed that polycystin-1 participates in cardiomyocyte hypertrophy elicited by pressure overload and mechanical ...
    • Polycystin-1 regulates cardiomyocyte mitophagy 
      Ramírez Sagredo, Andrea Soledad; Quiroga, Clara; Garrido Moreno, Valeria Soraya; López Crisosto, Camila; Leiva Navarrete, Sebastián Rolando; Norambuena Soto, Ignacio Estebán; Ortiz Quintero, Jose Jafet; Díaz Vesga, Magda C.; Pérez, William; Hendrickson, Troy; Parra Ortiz, Valentina Maria; Pedrozo Cibils, Zully Rocio Evangelina; Altamirano, Francisco; Chiong Lay, Mario Martin; Lavandero Gonzalez, Sergio Alejandro (Wiley, 2021)
      Polycystin-1 (PC1) is a transmembrane protein found in different cell types, including cardiomyocytes. Alterations in PC1 expression have been linked to mitochondrial damage in renal tubule cells and in patients with ...
    • Polymer Precursors Effect in the Macromolecular Metal-Polymer on the Rh/RhO2/Rh(2)O(3)Phase Using Solvent-Less ... 
      Díaz, C.; Valenzuela, M. L.; Cifuentes Vaca, O.; Segovia, M. (Springer, 2020)
      A mixture of a nanostructured Rh/RhO(2)phase was easily obtained by thermally treating the macromolecular Chitosan center dot(RhCl3)(x)precursor, while the Rh/Rh(2)O(3)phase was obtained by pyrolyzing PSP-4-PVP center ...
    • Polymer/Trimer/Metal Complex Mixtures as Precursors of Gold Nanoparticles: Tuning the Morphology in the Solid-State 
      Díaz Valenzuela, Carlos; Carriedo, Gabino A.; Valenzuela, María Luisa; Zúñiga, Luis; O'Dwyer, Colm (2012)
      The pyrolysis of several physical mixtures of AuCl(PPh 3) with polymeric [NP(O 2C 12H 8)] n or cyclic N 3P 3(O 2C 12H 8) 3 phosphazenes, formed as solid powders or films with different molar ratios, have been studied under ...
    • A polymeric cobalt(II) complex derived from citric acid (H4cit) and 2,6-diaminopurine (dap): {[Co4(cit)2( ... 
      Atria Salas, Ana María; Parada Aliste, José; Garland, María Teresa; Baggio, Ricardo (2013)
    • Polymeric nanoparticles for increasing oral bioavailability of curcumin 
      Umerska, Anita; Gaucher, Caroline; Oyarzún Ampuero, Felipe; Fries Raeth, Isabelle; Colin, Florence; Villamizar Sarmiento, María Gabriela; Maincent, Philippe; Sapin Minet, Anne (MDPI, 2018-04)
      Despite the promising biological and antioxidant properties of curcumin, its medical applications are limited due to poor solubility in water and low bioavailability. Polymeric nanoparticles (NPs) adapted to oral delivery ...
    • Polymorphism in gene coding for ACE determines different development of myocardial fibrosis in rats 
      Ocaranza, María Paz; Díaz Araya, Guillermo; Carreño, J. E.; Muñoz, David; Riveros, Juan Pablo; Jalil Milad, Jorge; Lavandero González, Sergio (AMER PHYSIOLOGICAL SOC, 2004-02-01)
      In humans, the effect of angiotensin-converting enzyme (ACE) gene polymorphisms in cardiovascular disease is still controversial. In the rat, a microsatellite marker in the ACE gene allows differentiation of the ACE gene ...
    • Polymorphisms in the mitochondrial aldehyde dehydrogenase gene (Aldh2) determine peak blood acetaldehyde ... 
      Quintanilla González, María Elena; Tampier de Jong, Lutske; Sapag, Amalia; Israel Jacard, Yedy (Lippincott Williams & Wilkins, 2005)
      Dependence on alcohol, a most widely used drug, has a heritability of 50-60%. Wistar-derived rats selectively bred as low-alcohol consumers for many generations present an allele (Aldh22) of mitochondrial aldehyde ...
    • Polymorphisms in the RAC1 gene are associated with hypertension risk factors in a chilean pediatric population 
      Tapia Castillo, Alejandra; Carvajal, Cristian A.; Campino, Carmen; Vecchiola, Andrea; Allende, Fidel; Solari, Sandra; García Nannig, Lorena; Lavandero González, Sergio; Valdivia, Carolina; Fuentes, Cristobal; Lagos, Carlos F.; Martínez Aguayo, Alejandro; Baudrand, René; Aglony, Marlene; García, Hernán; Fardella, Carlos E. (Oxford University Press, 2014)
      The GTPase Rac1 has been implicated in hypertension as a modulator of mineralocorticoid receptor activity. Our aim is to investigate the frequency of polymorphisms rs10951982 (intron 1, G>A) and rs836478 (intron 3, T>C) ...
    • Polymyxin B increases the depletion of T regulatory cell induced by purinergic agonist 
      Cappelli, Claudio; López Cortés, Ximena; Labra, Yohana; Montoya, Margarita; Fernández, Ricardo; Imarai, Mónica; Rojas, Juan Luis; Miranda, Dante; Escobar Alvarez, Alejandro; Acuña Castillo, Claudio (Elsevier, 2012)
      Regulatory T cells (Treg) are important in the development of immune tolerance under normal physiological conditions. However, in pathological situations such as cancer, Treg increases have been correlated with bad ...
    • Polyoxometalate cluster [V12B18O60H6] functionalized with the copper(II) bis-ethylenediamine complex 
      Brown, Kareen; Car, Pierre Emmanuel; Vega, Andrés; Venegas Yazigi, Diego; Paredes García, Verónica; Vaz, María G.F.; Allao, Rafael A.; Pivan, Jean-Yves; Le Fur, Eric; Spodine Spiridonova, Evgenia (Elsevier, 2011)
      Three compounds based on the polyoxometalate building block [V12B18O60H6], (Na)10[(H2O)V12- B18O60H6] 18H2O (1), Na8[Cu(en)2]2[V12B18O60H6](NO3)2 14.7H2O (2), Na7[Cu(en)2]2[V12B18O60H6] (NO3) 15.5H2O (3), (en = ...
    • Polyphenol content and antioxidant activity of maqui (Aristotelia chilensis [Molina] Stuntz) during fruit ... 
      Fredes, Carolina; Montenegro, Gloria; Zoffoli, Juan Pablo; Gómez, Miguel; Robert Canales, Paz (Instituto de Investigaciones Agropecuarias, INIA, 2012)
      Maqui (Aristotelia chilensis [Molina] Stuntz, Elaeocarpaceae) is a Chilean native species which produces small berries that are mainly collected from the wild. The health benefts of maqui fruit are attributed to their high ...
    • Polypyrrole molecularly imprinted modified glassy carbon electrode for the recognition of gallic acid 
      Jara Ulloa, Paola Andrea; Salgado Figueroa, Paola; Moscoso Cabello, Raúl Andrés; Squella Serrano, Juan (2013)
      A molecularly imprinted polypyrrole polymer-based film and its properties regarding the recognition of gallic acid were investigated. The polypyrrole film was prepared by including a template molecule during the ...
    • Polysoap Solutions: Air-Water Interfacial Properties 
      Ríos, HernÁn E.; Rojas, Juan S.; Gamboa, Irma C.; Barraza, Raúl O. (1993)
      Four sodium polysoaps from poly[malcic anbydride-co-styrene] were synthesized and the surface properties of their aqueous solutions at the air-water interface were determined. The surface tension lowering was directly ...
    • Population pharmacokinetics and dose simulation of vancomycin in critically ill patients during high-volume ... 
      Escobar Oregón, Leslie Dominique; Andresen, Max; Downey, Patricio; Gai Hernández, María Nella; Regueira, Tomás; Bórquez, Tamara; Lipman, Jeffrey; Roberts, Jason A. (Elsevier, 2014)
      This study aimed to describe the population pharmacokinetics of vancomycin in critically ill patients with refractory septic shock undergoing continuous venovenous high-volume haemofiltration (HVHF) and to define appropriate ...
    • Porous silica derived from chitosan-containing hybrid composites 
      Retuert de la Torre, Pedro Jaime; Quijada Abarca, Juan; Arias, V.; Yazdani-Pedram Zobeiri, Mehrdad (MATERIALS RESEARCH SOCIETY, 2003-02)
      In this paper, we report the preparation by the sol-gel technique of organic-inorganic hybrid composites containing the biopolymer chitosan incorporated in a siloxane-based inorganic network. The hybrid xerogels were ...
    • Possible mechanisms underlying copper-induced damage in biological membranes leading to cellular toxicity 
      Letelier Muñoz, María Eugenia; Lepe, Ana María; Faúndez, Mario; Salazar, Julia; Marín Catalán, Rigoberto; Aracena Parks, Paula; Speisky Cosoy, Hernán (ELSEVIER SCI IRELAND, 2005-01-15)
      It is generally accepted that copper toxicity is a consequence of the generation of reactive oxygen species (ROS) by copper ions via Fenton or Haber-Weiss reactions. Copper ions display high affinity for thiol and amino ...
    • Possible role of salsolinol quinone methide in the decrease of RCSN-3 cell survival 
      Martínez Alvarado, P.; Dagnino Subiabre, Alexies; Paris Pizarro, Irmgard; Metodiewa, D.; Welch, C. J.; Olea Azar, Claudio; Caviedes Fernández, Pablo; Caviedes Codelia, Raúl; Segura Aguilar, Juan (ACADEMIC PRESS INC, 2001-05-25)
      The endogenous dopamine-derived neurotoxin salsolinol was found to decrease survival in the dopaminergic neuronal cell line RCSN-3, derived from adult rat substantia nigra in a concentration-dependent manner (208 muM ...