Now showing items 1541-1560 of 4850

    • Palma, Rodrigo; Edding, Mario; Rovirosa, Juana; San Martín Barrientos, Aurelio; Argandoña, Victor (Verlag der Zeitschrift fur Naturforschung, 2004)
      The effect of different photon flux densities (PFD) and temperatures on the relative growth rate (RGR) and the concentration of three halogenated monoterpenes in samples of Plocamium cartilagineum L.( Dixon), a marine alga ...
    • 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 ...
    • 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 ...
    • Quitral, Vilma; Donoso, María Luisa; Ortiz, Jaime; Herrera, María Victoria; Toledo Araya, Héctor; Aubourg, Santiago (Academic Press, 2009)
      Chilean jack mackerel (Trachurus murphyi) is an underutilised medium-fat fish species, captured in large volumes but commercialised in the fish meal and surimi industries. This study provides a first approach including a ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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. ...
    • 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 ...
    • Rodríguez, Jorge; Gerpe, Alejandra; Aguirre, Gabriela; Kemmerling Weis, Ulrike; Piro, Oscar; Arán, Vicente; Maya Arango, Juan; Olea Azar, Claudio; González, Mercedes; Cerecetto, Hugo (2009)
      New indazole derivatives have been developed to know about structural requirements for adequate anti-Trypanosoma cruzi activity. In relation to position 1 of indazole ring, we have observed that a butylaminopentyl substituent ...
    • Ortiz, Jaime; Larraín, M. Angélica; Vivanco, Juan; Aubourg, Santiago (2009)
      A commercial diet including synthetic antioxidants (BHT-ethoxyquin mixture) (diet I) was provided to coho salmon (Oncorhynchus kisutch) in parallel with two diets including natural antioxidants (tocopherol isomers rich ...
    • Brown, Kareen; Zolezzi Carvallo, Santiago; Aguirre, Pedro; Venegas Yazigi, Diego; Paredes García, Verónica; Baggio, Ricardo; Novak, Miguel; Spodine Spiridonova, Evgenia (Royal Society of Chemistry, 2009)
      A new extended metal-organic framework [Cu(H(2)btec)(bipy)](infinity) (1) (H(4)btec=1,2,4,5-benzenetetracarboxylic acid; bipy= 2,2'-bipyridine) has been hydrothermally synthesized. Violet crystals are formed in a monoclinic ...
    • Boiani, Lucia; Gerpe, Alejandra; Arán, Vicente; Torres de Ortiz, Susana; Serna, Elva; Vera de Bilbao, Ninfa; Sanabria, Luis; Yaluff, Gloria; Nakayama, Héctor; Rojas de Arias, Antonieta; Maya Arango, Juan; Morello, J.; Cerecetto, Hugo; González, Mercedes (2009)
      Previously, we have identified a series of 5-nitroindazoles with good antiprotozoal activities, against Trypanosoma cruzi epimastigotes and Trichomonas vaginalis. Most of them have shown very low unspecific toxicity on ...
    • Hosta, Leticia; Pla-Roca, Mateu; Arbiol, Jordi; López Iglesias, Carmen; Samitier, Josep; Cruz, Luis; Kogan Bocian, Marcelo; Albericio, Fernando (2009)
      Two Cys-containing analogues of the anticancer drug Kahalalide F are synthesized and conjugated to 20 and 40 nm gold nanoparticles (GNPs). The resulting complexes are characterized by different analytical techniques to ...
    • Vieites, Marisol; Otero, Lucía; Santos, Diego; Olea Azar, Claudio; Norambuena, Ester; Aguirre, Gabriela; Cerecetto, Hugo; González, Mercedes; Kemmerling Weis, Ulrike; Morello Casté, Antonio; Maya Arango, Juan; Gambino, Dinorah (2009)
      Eight new platinum(II) complexes with 3-(5-nitrofuryl)acroleine thiosemicarbazones showing anti-trypanosomal activity were synthesized, characterized and in vitro evaluated. Most of the complexes showed IC50 values in the ...
    • Núñez Vergara, Luis; Daza, R.; Zanocco, A.; Squella Serrano, Juan (1983)
      2-Hydroxy-3-(p-hydroxyphenyl)-6-methylpyrazine (HHMP) is identified as the product obtained by acidic degradation of amoxycillin in the presence of formaldehyde. I.R., n.m.r. and elemental analysis data are reported. The ...
    • Rodríguez Llamazares, Saddys; Merchán, Juan; Olmedo, Ivonne; Marambio, Héctor; Muñoz, Juan; Jara, Paul; Sturm, Juan; Chornik, Boris; Peña, Octavio; Yutronic Sáez, Nicolás; Kogan Bocian, Marcelo (2008)
      A new synthesis and stabilization method was developed for paramagnetic nanoparticles composed of nickel and nickel oxides. Nickel/nickel oxides nanoparticles were synthesized by a method based on ligand displacement of ...
    • Sáenz Hernández, Carmen Luisa; Tapia, Sandra; Chávez, Jorge; Robert Canales, Paz (2009)
      Bioactive compounds of pulp (CP) and ethanolic (CE) extracts of the cactus pear (Opuntia ficus-indica) were encapsulated with maltodextrin (MD) or inulin (I). A 22 statistical factorial design was then used to study the ...
    • Masson, Lilia; Camilo, Conrado; Esperanzatorija, M. (2008)
      The characteristics of the seeds from Chilean palm and the detailed composition of its fat are studied starting from 4 lots of seeds from the two regions being the major producers of Chilean palm seeds. From the proximate ...
    • Valdebenito, Carolina; Garland, María Teresa; Quijada Abarca, Juan; Rojas, Rene S. (2009)
      The reaction of (2,6-diisopropyl-phenyl)-acetimidoyl chloride or (2,6-dimethyl-phenyl)-acetimidoyl chloride with 2,6-dimethylaniline in the presence of triethylamine yields a mixture of isomers N′-(2,6-diisopropyl-phenyl ...