Browsing by Author "Álvarez Lueje, Alejandro"
Now showing items 1-18 of 18
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González Núñez, Andrés Nicolás (Universidad de Chile, 2015)El presente trabajo se realizó en el Instituto de Salud Pública, ANAMED, en el Subdepartamento de registro, y comprende un plan para actualizar el registro de productos biotecnológicos. El cambio en la legislación nacional ...
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Ortega Rebolledo, Álvaro Ramón (Universidad de Chile, 2016)Para que un paciente pueda tener acceso a un medicamento, antes de estar a su disposición en farmacias o centros hospitalarios, éste debe haber sido registrado en nuestro país. El registro de productos farmacéuticos se ...
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Urzúa,; Pérez-Ortiz,; Álvarez Lueje, Alejandro (Sociedad Chilena de Quimica, 2018)© 2018 Sociedad Chilena de Quimica. All rights reserved. A carbon paste electrode was modified with the ionic liquid 1-methyl-3-octyl imidazolium hexafluorophosphate and it was applied for study the electrocatalytic oxidation ...
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Pérez-Ortiz, M.; Muñoz, C.; Zapata Urzúa, Claudio; Álvarez Lueje, Alejandro (Elsevier B.V., 2010)In this work, the electrochemical behavior and the analytical application of atomoxetine, a selective noradrenaline reuptake inhibitor, are studied. Atomoxetine, studied by differential pulse voltammetry and cyclic voltammetry ...
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Catalán, Mabel; Álvarez Lueje, Alejandro; Bollo Dragnic, Soledad (2010)In this study the interaction between new benzimidazole molecules, 2-(2-nitrophenyl)-1H-benzimidazole (NB) and N-benzoyl-2-(2-nitrophenyl)-benzimidazole (BNB), with dsDNA and ssDNA was assessed at pH 7.4. Using differential ...
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Squella Serrano, Juan; Álvarez Lueje, Alejandro; Sturm,; Núñez Vergara, Luis (1993)A differential pulse polarographic method for the identification and quantitative determination of enoxacin is described. The method is based on the electrochemical reduction of the drug at the dropping mercury electrode. ...
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Adura, Carolina; Guzman, Fanny; Álvarez Lueje, Alejandro; Kogan Bocian, Marcelo (Sociedad Chilena de Quimica, 2015)
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Cañete Rosales, Paulina; Álvarez Lueje, Alejandro; Bollo Dragnic, Soledad (2014)In this paper, for the first time, an electro-analytical method based on the direct adsorption of double-stranded deoxyribonucleic acid (dsDNA) at glassy carbon electrode modified with ethylendiamine (eda)functionalized ...
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Álvarez Lueje, Alejandro; Vásquez,; Núñez Vergara, Luis; Squella Serrano, Juan (Taylor and Francis Inc., 1998)An analytical chromatographic method for the determination of nimesulide in pharmaceutical forms has been developed. The method is based on high performance liquid chromatographic (HPLC) and electrochemical detection. ...
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Adura, Carolina; Guzman, Fanny; Álvarez Lueje, Alejandro; Kogan Bocian, Marcelo (Sociedad Chilena de Quimica, 2015)In this work, we report a fast and accessible method for quantification of cetyltrimethylammonium bromide (CTAB) in solutions of gold nanorods (GNRs) by bromophenol blue (BPB) ion-paring formation and spectrophotometric ...
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Toledo Neira, Carla; Álvarez Lueje, Alejandro (Elsevier B.V., 2015)A rapid, sensitive and efficient analytical method based on the use of ionic liquids for determination of non-steroidal anti-inflammatory drugs (NSAIDs) in water samples was developed. High-performance liquid chromatography ...
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Jeldres Aldana, Cindy Denisse (Universidad de Chile, 2016)Dentro de la industria farmacéutica, el área de Asuntos Regulatorios es fundamental. En este quehacer se requieren conocimientos acerca de la legislación vigente, información técnica, clínica, marketing y logística, entre ...
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Salgado Figueroa, Paola; Jara Ulloa, Paola Andrea; Álvarez Lueje, Alejandro; Squella Serrano, Juan (2013)In this work, a new method to quantify nitrofurantoin in aqueous media using a flow injection system connected to commercially available screen-printed carbon nanofibers was developed. A pretreatment of the screen-printed ...
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Zapata-Urzúa, C.; Pérez-Ortiz, M.; Bravo, M.; Olivieri, A. C.; Álvarez Lueje, Alejandro (Elsevier B.V., 2010)An analytical methodology based on differential pulse voltammetry (DPV) on a glassy carbon electrode and the partial least-squares (PLS-1) algorithm for the simultaneous determination of levodopa, carbidopa and benserazide ...
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Systematic HPLC study of a new series of 4-methyl-1,4-dihydropyridines with antitrombotic activity Núñez Vergara, Luis; Álvarez Lueje, Alejandro; Sturm,; Sunkel,; Squella Serrano, Juan (Marcel Dekker Inc., 1998)A systematic study of a new series of 4-methyl-1,4-dihydropyridine derivatives by HPLC by both photodiode array and electrochemical detectors is reported. The optimum mobile phase was acetonitrile/0.05 M phosphate buffer ...
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Velasco Aguirre, Carolina; Álvarez Lueje, Alejandro (Elsevier B.V., 2010)The electrochemical behavior and the analytical application of the selective serotonin agonist naratriptan (N-methyl-3-(1-methyl-4-piperidyl)indole-5-ethanesulfonamide) are presented herein. Naratriptan exhibits an anodic ...
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Pérez-Ortiz, M.; Bollo Dragnic, Soledad; Zapata Urzúa, Claudio Andrés; Yáñez, C.; Álvarez Lueje, Alejandro (2011)For the first time, a simple differential pulse voltammetry methodology for direct determination of benserazide in presence of levodopa in tablets was developed without any redox mediator, modified electrodes, or the ...
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Álvarez Lueje, Alejandro; Vásquez, P.; Núñez Vergara, Luis; Squella Serrano, Juan (Wiley-VCH Verlag, 1997)Nimesulide, N‐(4‐nitro‐2‐phenoxyphenyl)methanesulfonamide is an antiinflamatory analgesic agent that is both reducible at the mercury electrode and oxidizable at the glassy carbon electrode. Nimesulide in hydroalcoholic ...