Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions

Now showing items 1881-1900 of 5198

    • IKK connects autophagy to major stress pathways 
      Criollo Céspedes, Alfredo; Senovilla, Laura; Authier, Hélène; Maiuri, Maria Chiara; Morselli, Eugenia; Vitale, Ilio; Kepp, Oliver; Tasdemir, Ezgi; Galluzzi, Lorenzo; Shen, Si; Tailler, Maximilien; Delahaye, Nicolas; Tesniere, Antoine; De Stefano, Daniela; Younes, Aména Ben; Harp (Taylor and Francis Inc., 2010)
      Cells respond to stress by activating cytoplasmic mechanisms as well as transcriptional programs that can lead to adaptation or death. Autophagy represents an important cytoprotective response that is regulated by both ...
    • Comparative study of CSF neurofilaments in HTLV-1-associated myelopathy/tropical spastic paraparesis and ... 
      Alberti, Carolina; Gonzalez, Juan; Maldonado, Horacio; Medina, Fernando; Barriga, Andrés; García Nannig, Lorena; Kettlun, Ana; Collados, Lucía; Puente, Javier; Cartier Rovirosa, Luis; Valenzuela, Maria (2009)
      HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a progressive CNS disease leading to corticospinal tract degeneration. Various degenerative diseases have increased neurofilament subunit concentration ...
    • Redox and complexation chemistry of the CrVI/Cr V/CrIV-d-glucuronic acid system 
      González, Juan Carlos; García, Silvia; Bellú, Sebastián; Peregrín, Juan Manuel; Atria Salas, Ana María; Sala, Luis Federico; Signorella, Sandra (2010)
      When excess uronic acid over CrVI is used, the oxidation of d-glucuronic acid (Glucur) by CrVI yields D-glucaric acid (Glucar) and CrIII as final products. The redox reaction involves the formation of intermediate CrIV and ...
    • Use of algarrobo (Prosopis chilensis (Mol) Stuntz) flour as protein and dietary fiber source in cookies and ... 
      Escobar, Berta; Estévez, Ana María; Fuentes, Carolina; Venegas, Daniela (2009)
      Limiting amino acids of the protein from chilean "algarrobo" are isoleucine, theronine and methionine/cyteine. Cereals and legume blends allow to improve the amino acid balance, since legume have more lysine, and cereals ...
    • Selective interaction of lansoprazole and Astemizole with tau polymers: Potential new clinical use in ... 
      Rojo, Leonel E.; Alzate Morales, Jans; Saavedra, Iván N.; Davies, Peter; Maccioni Baraona, Ricardo (IOS Press, 2010)
      We describe the interactions of two benzimidazole derivatives, astemizole (AST) and lansoprazole (LNS), with anomalous aggregates of tau protein (neurofibrillary tangles). Interestingly, these compounds, with important ...
    • Effect of gas and kerosene space heaters on indoor air quality: A study in homes of Santiago, Chile 
      Ruiz, Pablo A.; Toro, Claudia; Cáceres, Jorge; López, Gianni; Oyola, Pedro; Koutrakis, Petros (Taylor and Francis Inc., 2010)
      The impact of outdoor and indoor pollution sources on indoor air quality in Santiago, Chile was investigated. Toward this end, 16 homes were sampled in four sessions. Each session included an outdoor site and four homes ...
    • Ruthenium carbonyl compounds containing polypyridine ligands as catalysts in the reaction of N-benzylideneaniline ... 
      Moya, S.; Vidal, M.; Brown, K.; Negrete-Vergara, C.; Abarca, G.; Aguirre, P. (2012)
      The synthesis and characterization of ruthenium complexes containing polypyridine ligands: Ru(dppz)(PPh3)(2)Cl-2. Ru(bpy)(PPh3)(2)Cl-2, Ru(phen)(PPh3)(2)Cl-2. Ru(dppz-Cl)(PPh3)(2)Cl-2, Ru(phen)(CO)(2)Cl-2, Ru(bpy)(CO)(2)Cl-2 ...
    • Glassy carbon electrodes modified with CNT dispersed in chitosan: Analytical applications for sensing ... 
      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 ...
    • 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 ...
    • Study of the molecular recognition of A Neutral Carrier used as All-Solid-State of Electrode to nitrate ... 
      Arada Pérez, María de los Angeles; Yazdani-Pedram Zobeiri, Mehrdad; Marín, Jorge; Planche, Alejandro Speck (2009)
      In this work an ESI is valued of the plasticized liquid membranes with 1-furoyl 3,3 diethylthiourea as ionophore (neutral portadore), tributyl phosphate as plasticizer and poly(vinyl chloride) as matrix on a sensitive ...
    • Quality of UVR exposure for different biological systems along a latitudinal gradient 
      Vernet, Maria; Diaz, Susana B.; Fuenzalida, Humberto A.; Camilion, Carolina; Booth, Charles R.; Cabrera, Sergio; Casiccia, Claudio; Deferrari, Guillermo; Lovengreen, Charlotte; Paladini, Alejandro; Pedroni, Jorge; Rosales, Alejandro; Zagarese, Horacio E. (2009)
      The exposure of organisms to ultraviolet radiation (UVR) is characterized by the climatology (annual cycle) and the variance (anomalies) of biologically-weighted irradiances at eight geographical locations in austral South ...
    • Adsorption of glyphosate on variable-charge, volcanic ash-derived soils 
      Cáceres-Jensen, L.; Gan, J.; Báez, M.; Fuentes, R.; Escudey, M. (2009)
      Glyphosate (N-phosphonometylglycine) is widely used due to its broad spectrum of activity and nonselective mode of action. In Chile it is the most used herbicide, but its adsorption behavior in the abundant and widespread ...
    • Reactivity of C4-indolyl substituted 1,4-dihydropyridines toward superoxide anion (O2O) in dimethylsulfoxide 
      Salazar, Ricardo; Navarrete Encina, Patricio; Squella Serrano, Juan; Camargo, C.; Núñez Vergara, Luis (2009)
      Reactivity of two new C4-indolyl substituted 1,4-dihydropyridines (1,4-DHPs) toward superoxide anion (O2-) in dimethylsulfoxide (DMSO) is reported. Reactivity was followed by electrochemical and spectroscopic techniques. ...
    • Characterization of chemical kinetics in membrane-based liquid-liquid extraction of molybdenum(VI) from ... 
      Valdés, H.; Romero, J.; Sanchez, J.; Bocquet, S.; Rios, G. M.; Valenzuela, F. J. (2009)
      This study aims to describe the mass transfer in a membrane-based solvent extraction system for the extraction of molybdenum(VI) from aqueous solutions, identifying chemical kinetics of the complex formation at the interface. ...
    • Crystal structure and magnetic properties of a new chiral manganese(II) three-dimensional framework: ... 
      Paredes García, Verónica; Vega, Andrés; Novak, Miguel A.; Vaz, Maria G.F.; Souza, Denise A.; Venegas Yazigi, Diego; Spodine Spiridonova, Evgenia (2009)
      A structural and magnetic characterization of a trinuclear chiral Mn(ll) formate three-dimensional framework exhibiting a triangular arrangement is presented. Compound Na3[Mn3(HCOO)9] was obtained by solvothermal synthesis ...
    • Molecular encapsulation of 5-nitroindazole derivatives in 2,6-dimethyl-β-cyclodextrin: Electrochemical and ... 
      Pérez Cruz, Fernanda; Jullian Matthaei, Carolina; Rodríguez Borges, Jorge; Arán, Vicente; Olea Azar, Claudio (2009)
      Four different 5-nitroindazole derivatives (1-4) and its inclusion with Heptakis(2,6-di-O-methyl)-beta-cyclodextrin (DM beta CD) were investigated. The stoichiometric ratios and stability constants describing the extent ...
    • Photoreduction of oxoisoaporphines by amines: Laser flash and steady-state photolysis, pulse radiolysis, ... 
      De la Fuente, Julio; Aliaga, Christian; Poblete, Cristian; Zapata, Gerald; Jullian Matthaei, Carolina; Saitz Barría, Claudio; Cañete, Alvaro; Kciuk, Gabriel; Sobarzo Sánchez, Eduardo; Bobrowski, Krzysztof (2009)
      Photoreduction of oxoisoaporphine (OIA) (l-aza-benzo-[de]anthracen-7-one) and its 5-methoxy (5-MeOOIA) derivative by selected amines (two non-a-hydrogen-donating amines (l,4-diaza[2.2.2]-bicyclooctane (DABCO) and ...
    • Characterization of a neutral polysaccharide with antioxidant capacity from red wine 
      Aguirre, M.; Isaacs, M.; Matsuhiro, B.; Mendoza, L.; Zúñiga, E. (2009)
      A neutral fraction (PS-SI) (0.3 g/L) with MW of 74 kDa, which contained galactose, arabinose, mannose, and glucose in the molar ratio of 1.0:0.6:0.4:0.2 was obtained by treatment of the whole polysaccharide extracted from ...
    • Synthesis, structure and electrochemical properties of the cationic complex tris-(imidazolidine-1,10-phen ... 
      García, Camilo; Villagra, Diego; Caruso, Francesco; Rossi, Miriam; Matsuhiro, Betty; Mendoza, Leonora; Aguirre, María J.; Isaacs, Mauricio (2009)
      The complex [FeII(Imz-phen)3](PF6)2, (Imz-phen = imidazolidine-[4,5-f]-1,10-phenanthroline) has been prepared and characterized using X-ray diffraction, UV–vis and IR spectroscopy, elemental analysis, fast atomic bombardment ...
    • Effects of long-term adrenalectomy on apoptosis and neuroprotection in the rat hippocampus 
      Andrés, Sergio; Cárdenas, Sergio; Lecocq Parra, Claudio; Bravo, Javier; Greiner, Monika; Rojas, Paulina; Morales, Paola; Lara Peñaloza, Hernán; Fiedler Temer, Jenny (2006)
      Reduction in corticosterone by acute adrenalectomy (5 d) promotes apoptosis in dentate gyrus (DG) granular neurons, an effect concomitant with variations in the expression of the Bcl-2 gene family implicated in apoptotic ...