Browsing by Title Artículos de revistas

Now showing items 1948-1967 of 2801

    • Polarography as a technique for determining photodegradation in calcium antagonists 
      Squella Serrano, Juan; Núñez Vergara, Luis (1990)
      The exposure of drugs to light produces photodecomposition processes in several cases: the drugs undergo important chemical changes with a parallel change in their activities or potencies and generally with a loss of their ...
    • Polimorfismos de los receptores - β Adrenérgicos y su relación con el riesgo de insuficiencia cardíaca, ... 
      Castro Gálvez, Pablo; Greig, Douglas; Copaja, Miguel; Alcaíno Olivares, Hernán Alejandro; Troncoso Cotal, Rodrigo Hernán; Chiong Lay, Mario; Mellado, Rose Marie; Pérez, Osvaldo; Vukasovic Ramírez, José Luis; Díaz Araya, Guillermo; Corbalán, Ramón; Ocaranza, María Paz; Jalil Milad, Jorge; Lavandero González, Sergio (Sociedad Chilena de Cardilología y Cirugía Cardiovascular, 2005)
      Los polimorfismos de los receptores β Adrenérgicos (AR) influencian el grado de actividad del receptor. Los βAR tienen un rol importante en la regulación de la contractilidad y podrían tener implicancias en el riesgo de ...
    • Poly(acrylonitrile)-molybdenum disulfide polymer electrolyte nanocomposite 
      Santa Ana, María Angélica; Benavente Espinosa, Eglantina; Gómez Romero, Pedro; González Moraga, Guillermo (2006)
      The synthesis, characterization and electrochemistry of a novel nanocomposite based on the co-intercalation of lithium and poly(acrylonitrile) (PAN) in molybdenum disulfide [Li0.6MoS2(PAN) 1.2·0.5H2O] is described. The ...
    • Poly(complexes) stabilized by acid-base interactions: Poly(4-vinylpyridine) and poly(ethylene-co-maleic acid) 
      Villar, V.; Opazo, A.; Gargallo, L.; Radić, D.; Rios, H.; Clavijo Campos, Ernesto (Taylor and Francis Inc., 1998)
      Interpolymer complex (IC) formation between poly(ethylene-co-maleic acid) and poly(4-vinylpiridine) (P4VPy) has been observed and characterized. Data from viscosity, infrared spectroscopy and thermogravimetric analysis ...
    • Poly(N-phenylmaleimide-co-acrylic acid)-copper(II) and poly(N-phenylmaleimide-co-acrylic acid)-cobalt(II) ... 
      Marambio, Oscar G.; Pizarro, Guadalupe del Carmen; Jeria Orell, Manuel; Huerta, Margarita R.; Olea Azar, Claudio; Habicher, W. D. (0887-624X, 2005-10-15)
      The free-radical copolymerization of N-phenylmaleimide (N-PhMI) with acrylic acid was studied in the range of 25-75 mol % in the feed. The interactions of these copolymers with Cu(H) and Co(H) ions were investigated as a ...
    • Poly-epsilon-caprolactone Nanoparticles Loaded with 4-Nerolidylcatechol (4-NC) for Growth Inhibition of ... 
      Greatti, Vanessa Raquel; Oda, Fernando; Sorrechia, Rodrigo; Kapp, Bárbara Regina; Seraphim, Carolina Manzato; Villas Boas Weckwerth, Ana Carolina; Chorilli, Marlus; Da Silva, Patricia Bento; Eloy, Josimar O.; Kogan, Marcelo J.; Morales Montecinos, Javier; Linhari Rodrigues Pietro, Rosemeire Cristina (MDPI, 2020)
      Dermatophyte fungal infections are difficult to treat because they need long-term treatments. 4-Nerolidylcatechol (4-NC) is a compound found in Piper umbellatum that has been reported to demonstrate significant antifungal ...
    • 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 ...