Now showing items 1883-1902 of 2801

    • Arancibia, Aquiles; Borie B., Gilda; Cornwell, E.; Medrano, C. (La Societá, 1981)
      A urinary excretion study was conducted in six healthy male subjects to evaluate the percutaneous absorption of p-aminobenzoic acid (PABA) from three sunscreen preparations. The study was a crossover design and urine ...
    • Paulos, C.; Paredes, J.; Vasquez, I.; Thambo, S.; Arancibia, A.; Gonzalez-Martin, G. (1989)
      Nifurtimox disposition was evaluated in 7 healthy volunteers. Each subject received an oral dose of 15 mg/kg of nifurtimox and blood sample was obtained 11 h after the drug administration. We used an analytical method ...
    • Arancibia, A.; Drouguett, M.; Fuentes, G.; González, G.; González, C.; Thambo, S.; Palombo, G. (1982)
      The pharmacokinetics of amoxicillin was investigated in 4 healthy volunteers and in 16 patients with varying degrees of renal impairment, 4 of whom were on regular hemodialysis. Amoxicillin was administered both in a 1-g ...
    • Gonzalez-Martin,; Bravo,; Vargas,; Arancibia, (1986)
      The diposition of gentamicin was studied in five children with nephrotic syndrome and five control children to observe the effect of nephrotic syndrome on the distribution and elimination of the antibiotic. After a single ...
    • Arancibia, Aquiles; Paulos, Claudio; Chávez Arrué, Jorge; Ritschel, W. A. (DUSTRI-VERLAG DR KARL FEISTLE, 2003-05)
      Introduction: Exposure of the human body to high altitude causes a number of physiological changes. In previous studies, we observed that these changes may alter the pharmacokinetics of drugs. The number of erythrocytes/mm(3) ...
    • González Martin, G; Thambo Becker, Sergio; Paulos, Claudio; Vásquez, I.; Paredes, J. (SPRINGER VERLAG, 1992-06)
      The pharmacokinetics of nifurtimox. a drug used in the treatment of Trypanosoma cruzi infections, has been studied in seven patients with chronic renal failure undergoing haemodialysis, and in seven healthy subjects. Each ...
    • Arancibia, Aquiles; Gai, María Nella; Chávez Arrué, Jorge; Paulos, Claudio; Pinilla, E.; González, C.; Villanueva, S.; Ritschel, W. A. (DUSTRI-VERLAG DR KARL FEISTLE, 2005-02)
      Introduction: The exposure to high altitude (H) produces several physiologic alterations which may induce changes in the pharmacokinetics of drugs. This hypothesis has been confirmed in previous studies which suggest that ...
    • Romero, Alejandra; Dongil, Pilar; Valencia, Inés; Vallejo, Susana; San Hipólito Luengo, Álvaro; Díaz Araya, Guillermo; Bartha, José L.; González Arlanzón, María M.; Rivilla, Fernando; Cuesta, Fernando de la; Sánchez Ferrer, Carlos; Peiró, Concepción (International Society on Aging and Disease, 2022)
      The clinical relevance of IL-1 beta in chronic inflammation underlying atherosclerosis has been reinforced by recent evidence associating pharmacological inhibition of the cytokine with lower cardiovascular risk. Previously, ...
    • Soto Bustamante, Eduardo; González Henríquez, Carmen M.; Rodríguez Lehyt, G. A.; Vergara Toloza, Rafael Orlando (TAYLOR & FRANCIS LTD, 2004-08)
      The synthesis and phase characterization of three homologous series of liquid crystalline acrylic and methacrylic monomers, consisting of 21 new compounds are presented. They are based on omega-hexyloxy- and omega-undecy ...
    • Soto Bustamante, Eduardo; González Henríquez, Carmen M.; Rodríguez Lehyt, Guillermo Antonio; Vergara Toloza, Rafael Orlando (2004)
      The synthesis and phase characterization of three homologous series of liquid crystalline acrylic and methacrylic monomers, consisting of 21 new compounds are presented. They are based on ω-hexyloxy- and ω-undecyloxysali ...
    • Soto Bustamante, Eduardo; Saldaño Hurtado, Danilo; Vergara Toloza, Rafael Orlando; Navarrete Encina, Patricio; Athanassopoulou, M. A. (TAYLOR & FRANCIS LTD, 2003-01)
      The phase characterization of two homologous series of liquid crystalline methacrylic monomers based on omega-hexyl- and omega-butyloxysalicylaldimine groups, with different alkoxy tails, is presented. The liquid crystalline ...
    • Soto Bustamante, Eduardo; Saldaño Hurtado, Danilo; Vergara Toloza, Rafael Orlando; Navarrete Encina, Patricio; Athanassopoulou, M. A. (2003)
      The phase characterization of two homologous series of liquid crystalline methacrylic monomers based on ω-hexyl- and ω-butyloxysalicylaldimine groups, with different alkoxy tails, is presented. The liquid crystalline ...
    • Lapierre Acevedo, Lisette; Cornejo Kelly, Javiera; Zavala, Sebastián; Galarce Gálvez, Nicolás Elías; Sánchez García, Fernando; Benavides Vicencio, María Belén; Guzmán Muñoz, Miguel; Sáenz Iturriaga, Leonardo (MDPI, 2020)
      Salmonella Infantis is a zoonotic pathogen that causes gastroenteritis in humans and animals, with poultry being its main reservoir. In Chile, there are no data to characterize S. Infantis strains in poultry production. ...
    • Carrasco, Fernando; Hernández, Wilfredo; Chupayo, Óscar; Sheen, Patricia; Zimic, Mirko; Coronel, Jorge; Álvarez, Celedonio M.; Ferrero, Sergio; Oramas Royo, Sandra; Spodine Spiridonova, Evgenia; Rodilla, Jesús M.; Dávalos, Juan Z. (Hindawi, 2021)
      Eight new phenylisoxazole isoniazid derivatives, 3-(2 '-fluorophenyl)isoxazole-5-carbaldehyde isonicotinylhydrazone (1), 3-(2 '-methoxyphenyl)isoxazole-5-carbaldehyde isonicotinylhydrazone (2), 3-(2 '-chlorophenyl)isoxaz ...
    • Ulloa, Giovanni; Quezada, Carolina P.; Araneda, Mabel; Escobar Miguel, Blanca; Fuentes Pérez, Edwar; Alvarez Armijo, Sergio; Castro, Matias; Bruna, Nicolás; Espinoza González, Rodrigo; Bravo Rodríguez, Denisse; Peréz Donoso, Jose M. (Frontiers media SA, 2018)
      Recently, we reported the production of Cadmium sulfide (CdS) fluorescent semiconductor nanoparticles (quantum dots, QDs) by acidophilic bacteria of the Acidithiobacillus genus. Here, we report that the addition of inorganic ...
    • Sánchez Vivar, Raúl; Soto, Cristián; Copaja, Miguel; Mateluna Guajardo, María Francisca; Aránguiz Urroz, Pablo Daniel; Muñoz, Juan Pablo; Chiong Lay, Mario; García Nannig, Lorena; Letelier Vargas, Alan Gonzalo; Thomas, W. G.; Lavandero González, Sergio; Díaz Araya, Guillermo (LIPPINCOTT WILLIAMS & WILKINS, 2008-08)
      Cardiac fibroblasts are the major non-myocyte cell constituent in the myocardium, and they are involved in heart remodeling. Angiotensin II type I receptor (AT(1)R), and changes in its expression have been reported in ...
    • Ushak, S.; Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego; Le Fur, Eric; Pivan, J. Y. (ELSEVIER, 2006-09-08)
      The hybrid organic/inorganic copper oxovanadium diphosphonates of formula [Cu(bipy)(VO2)(2)(O3PCH2PO3)H2O] 1, which crystallizes in the orthorhombic symmetry, and [Cu(bipy)(VO2)(O3P(CH2)(2)PO2OH)] (.) 1.5H(2)O 2, which ...
    • Jeria, Yanara; Bazaes, Aliosha; Báez, María E.; Espinoza, Jeannette; Martínez, Jessica I.; Fuentes, Edwar (Elsevier B.V., 2017)
      © 2016 Elsevier B.V.This paper presents a method for the determination of imidacloprid in honeybees based on the measurement of excitation-emission spectra of photo-induced fluorescence (PIF-EEMs) associated to unfolded ...
    • Silva, Salom; Olea, Andrés F.; Thomas, J. K. (1991)
      Photoexcitation of 1‐pyrenyldiazomethane (1) leads to carbenes which attach to various molecules, e.g. surfactants, polymers, hydroxylated surfaces. This provides a convenient method of labelling these compounds with pyrene ...
    • Encina, M. V.; Lissi Gervaso, Eduardo A.; Olea, F. A. (1980)
      The photochemistry of alkanals in dilute solutions and in the presence of olefins and hydrogen donors was analysed and the results obtained are discussed taking as reference the photochemical behaviour of the alkanones. ...