Now showing items 1757-1776 of 2801

    • Merino, M.; Carbajo, J.; Núñez Vergara, Luis; Squella Serrano, Juan (SOCIEDAD CHILENA DE QUIMICA, 2000-03)
      The electrochemical nitroreduction of nitrofurantoin has been studied on carbon paste and glassy carbon electrodes. We can observe a monoelectronic reversible couple ArNO2/ArNO2- and an irreversible peak due to the further ...
    • Bollo Dragnic, Soledad; Núñez Vergara, Luis; Barrientos Vargas, Claudia Marjorie; Squella Serrano, Juan (WILEY-V C H VERLAG GMBH, 2005-09)
      The electrochemical behavior of iodo nitroimidazole derivatives such as 1-methyl-4-iodo-5-nitroimidazole (M-I-NIm) and 1-methyl-2,4-diiodo-5-nitroimidazole (M-I-2-NIm) and the parent compound 1-methyl-5-nitroimidazole ...
    • Núñez Vergara, Luis; Squella Serrano, Juan; Olea Azar, Claudio; Bollo Dragnic, Soledad; Navarrete Encina, Patricio; Sturm Schaub, Juan (PERGAMON-ELSEVIER SCIENCE, 2000)
      This paper reports both the electrochemical characterization and the reactivity of the nitroso radical anion from nitrosobenzene with glutathione. The reduction of nitrosobenzene to the corresponding nitroso radical anion ...
    • Palomera Gómez, Cristián Alejandro; Ocaranza, María Paz; Román, Maritza; Chiong Lay, Mario; Lavandero González, Sergio; Jalil Milad, Jorge (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2003)
      La mayor actividad de la enzima convertidora de angiotensina I (ECA) determina mayores niveles de angiotensina (Ang) II y menores de Ang-(1-7). Hemos observado mayores niveles de Ang II en ratas normotensas con mayor ...
    • Folch Cano, Christian; Guerrero, Juan; Speisky Cosoy, Hernán; Jullian Matthaei, Carolina; Olea Azar, Claudio (Springer, 2013)
      The present study is focused on the characterization of the interaction between (-)-epigallocatechingallate (EGCG) and cyclodextrins like b-cyclodextrin (bCD), heptakis(2,6 di-O-methyl)-b-cyclodextrin (DMbCD), ...
    • Folch Cano, Christian; Guerrero, Juan; Speisky Cosoy, Hernán; Jullian Matthaei, Carolina; Olea Azar, Claudio (2014)
      The present study is focused on the characterization of the interaction between (-)-epigallocatechingallate (EGCG) and cyclodextrins like β-cyclodextrin (βCD), heptakis(2,6 di-O-methyl)-β-cyclodextrin (DMβCD), and ...
    • Acuña Rougier, C.; Mera-Adasme,; Jullian,; Olea Azar, Claudio (2010)
      The complexes formed by (±)-4′-hydroxyflavanone (OHFL) and heptakis-(2,6-O-dimethyl)-β-cyclodextrin (DM-β-CD) were obtained using the racemic mixture of OHFL. These complexes were able to be studied due to their ...
    • Acuña Rougier, C.; Jullian,; Olea Azar, Claudio (2012)
      Complexes formed by (±)-4′-hydroxyflavanone (OHFL) and the cyclodextrins β-cyclodextrin and (2-hydroxypropyl)-β-CD were obtained using the racemic mixture of the OHFL. These complexes were able to be studied due to their ...
    • Capparelli, Mario V.; DeSanctis, Y.; Arce, A. J.; Spodine Spiridonova, Evgenia (MUNKSGAARD INT PUBL LTD, 1997-03-15)
      The reaction of 1,2,3-triphenylphosphirene with [H2Os3-(CO)(10)] leads to the title compound, [Os-3(CO)(9){(C6H5)(3)-C2PO}], which displays an open Os-3(CO)(9) cluster [Os-Os 2.703(1) and 2.867(2) Angstrom, and Os-Os-Os ...
    • Capparelli, Mario V.; De Sanctis, Ysaura; Arce, Alejandro J.; Spodine Spiridonova, Evgenia (Blackwell Munksgaard, 1997)
      The reaction of 1,2,3-triphenylphosphirene with [H2Os3-(CO)10] leads to the title compound, [Os3(CO)9{(C6H5)3-C 2PO}], which displays an open Os3(CO)9 cluster [Os-Os 2.703 (1) and 2.867 (2) Å, and Os-Os-Os 124.24 (4)°]. ...
    • Ascar, Loreto; Ahumada, Inés; López, Alicia; Quintanilla, Francia; Leiva, Karla (2013)
      Nonsteroidal anti-inflammatory drugs (NSAIDs) are a group of medications widely used by man to heal certain ailments. However, after consumption, they may be excreted in wastewaters with consequent environmental effects. ...
    • Ascar Estay, María Loreto; Ahumada Torres, Aída Inés de Lourdes; López, Alicia; Quintanilla, Francia; Leiva, Karla (Sociedade Brasileira de Química, 2013)
      Nonsteroidal anti-inflammatory drugs (NSAIDs) are a group of medications widely used by man to heal certain ailments. However, after consumption, they may be excreted in wastewaters with consequent environmental effects. ...
    • Aguilera, J. M.; Ortiz Viedma, Jaime (Aspen Publishers, 2000)
      Se emple6 pasta fresca de jurel (T. 11/lIrphyi) sin congelar tipo surimi, que se sometió al proceso de asentamiento en presencia de KCI (2 C1c). Conjuntamente, la pasta fue sometida a ciclos distintos de aplicaci6n de ...
    • Papadopoulou, Maria V.; Bloomer, William; Lepesheva, Galina; Rosenzweig, Howard; Kaiser, Marcel; Aguilera-Venegas, Benjamín; Wilkinson, Shane; Chatelain, Eric; Ioset, Jean (American Chemical Society, 2015)
      3-Nitro-1H-1,2,4-triazole-based amides with a linear, rigid core and 3-nitrotriazole-based fluconazole analogues were synthesized as dual functioning antitrypanosomal agents. Such compounds are excellent substrates for ...
    • Caro, Nelson; Medina, Estefanía; Díaz Dosque, Mario; López, Luis; Abugoch James, Lilian; Tapia, Cristian (Elsevier, 2016)
      © 2015 Elsevier Ltd.New active packaging films based on chitosan (Qo) and a blend of Qo and quinoa-protein (EPQ) were developed. The films were printed with chitosan-tripolyphosphate nanoparticles (NQos) and NQos loaded ...
    • Otero, Lucía; Vieites, Marisol; Boiani, Lucía; Denicola, Ana; Rigol Olsen, Carolina; Opazo, Lucía; Olea Azar, Claudio; Maya Arango, Juan; Morello Casté, Antonio; Krauth Siegel, R. Luise; Piro, Oscar E.; Castellano, Eduardo; González, Mercedes; Gambino, Dinorah; Cerecetto, Hugo (AMER CHEMICAL SOC, 2006-06-01)
      In the search for new therapeutic tools against American Trypanosomiasis palladium complexes with bioactive nitrofuran-containing thiosemicarbazones as ligands were obtained. Sixteen novel palladium (II) complexes with the ...
    • Uchoa, E. T.; Aguilera, G.; Herman, J. P.; Fiedler Temer, Jenny; Deak, T.; De Sousa, M. B. C. (British Society for Neuroendocrinology, 2014)
      Normal hypothalamic-pituitary-adrenal (HPA) axis activity leading to the rhythmic and episodic release of adrenal glucocorticoids (GCs) is essential for body homeostasis and survival during stress. Acting through specific ...
    • Olea Azar, Claudio; Rigol Olsen, Carolina; Mendizábal Emaldía, Fernando; Cerecetto, Hugo; Di Maio, R.; González, Mercedes; Porcal, Williams; Morello Casté, Antonio; Repetto Scaramelli, Yolanda; Maya Arango, Juan (BENTHAM SCIENCE PUBL LTD., 2005-06)
      In order to gain inside the mechanism of action of a series of benzo[1,2-c]1,2,5-oxadiazole N-oxide derivatives with in vitro anti-trypanosomal activity, electrochemical and biological studies were performed. Cyclic ...
    • Parra, M. L.; Hidalgo, P. I.; Soto Bustamante, Eduardo; Barberá, J.; Elgueta, E. Y.; Trujillo-Rojo, V. H. (2008)
      Novel liquid crystalline materials based on chiral calamitic 1,2,4- and 1,3,4-oxadiazole derivatives were synthesized and their thermotropic mesomorphism investigated by polarizing optical microscopy and differential ...
    • Vega, Andrés; Calvo Pérez, Víctor; Spodine Spiridonova, Evgenia; Zárate, Antonio; Fuenzalida Escobar, Víctor; Saillard, Jean-Yves (2002)
      The reaction of the organometallic carboxylic acid HOOCCCHCo2(CO)6 with copper(II) methoxide leads to a new inorganometallic cluster; Cu3{í2-(CCHCo2(CO)6)}3. This cluster has a triangular core of copper(I) centers ...