Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions

Now showing items 1521-1540 of 4850

    • Glucose deprivation causes oxidative stress and stimulates aggresome formation and autophagy in cultured ... 
      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 ...
    • Revision and phylogenetics of the genus Paraulax Kieffer (Hymenoptera, Cynipidae) with biological notes and ... 
      Nieves-Aldrey, José Luis; Liljeblad, Johan; Nieves, María Hernández; Grez Villarroel, Audrey; Nylander, Johan A.A. (2009)
      The gall wasp genus Paraulax (Hymenoptera, Cynipidae) associated with southern beeches (Nothofagus (Nothofagaceae)) from South America is revised. The genus Paraulax and its type species, P. perplexa, are redescribed and ...
    • Contraction-related stimuli regulate GLUT4 traffic in C2C 12-GLUT4myc skeletal muscle cells 
      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 ...
    • Assessment of extractability of Cu, Cr, Ni, Pb and Zn in some chilean biosolid-amended soils by using BCR ... 
      Ahumada, Inés; Maricán, Adolfo; Retamal, Mauricio; Pedraza, Cristina; Ascar, Loreto; Carrasco, Adriana; Richter Duk, Pablo (Sociedade Brasileira de Quimica, 2010)
      The effect of biosolid application on the distribution and extractability of Cr, Cu, Ni, Pb, and Zn was assessed in Mollisol soils from an important agricultural zone in central Chile. These were amended with biosolids at ...
    • Determination of low molecular weight carbohydrates in Cabernet sauvignon red wines 
      Matsuhiro, Betty; Torres, Rodrigo; Zúñiga, Elisa A.; Aguirre, Maria J.; Mendoza, Leonora; Isaacs, Mauricio (Sociedad Chilena de Quimica, 2009)
      Low molecular weight carbohydrates (LMW) were determined in a Chilean Cabernet Sauvignon red wine by the Dubois method, a specific method for the determination of carbohydrates. Dialysis treatment of red wine allowed the ...
    • Solvent-free microwave-promoted Michael addition of azanucleophiles to benzo[b]thiophen-2-yl-2-propenone 
      Pessoa Mahana, Hernán; González, Marcos; González, Marcelo; Pessoa Mahana, David; Araya Maturana, Ramiro; Ron, Nadia; Saitz Barría, Claudio (Arkat, 2009)
      A series of Michael adducts (5-11) have been synthesized with good yields under solvent-free microwave conditions. Aliphatic and aromatic amines utilized as Michael donors reacted with 1-(4,7-dimethoxybenzo[b]thiophen-2- ...
    • Angiotensin-(1-9) regulates cardiac hypertrophy in vivo and in vitro 
      Ocaranza, Maria Paz; Lavandero González, Sergio; Jalil Milad, Jorge; Moya, Jaqueline; Pinto, Melissa; Novoa, Ulises; Apablaza, Felipe; González, Leticia; Hernández, Carol; Varas, Manuel; López, René; Godoy, Iván; Verdejo, Hugo; Chiong Lay, Mario (Lippincott Williams and Wilkins, 2010)
      Background: Angiotensin-(1-9) is present in human and rat plasma and its circulating levels increased early after myocardial infarction or in animals treated with angiotensin-converting enzyme inhibitor. However, the ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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. ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...