Browsing by Author "Álvarez Lueje, Alejandro"
Now showing items 1-20 of 23
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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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Álvarez Lueje, Alejandro; Núñez Vergara, Luis; Vicuna,; Squella Serrano, Juan (1996)The electrochemical oxidation of acyclovir at different pH and concentrations using both differential pulse and cyclic voltammetry was studied. Acyclovir exhibits one differential pulse voltammetric peak at the glassy ...
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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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Rojas Fuentes, Vania Jocelyn (Universidad de Chile, 2016)En la búsqueda de semiconductores poliméricos de fácil procesamiento para su aplicación en celdas solares orgánicas (CSO), esta tesis abordó la electropolimerización de derivados de tienilvinileno en una serie de líquidos ...
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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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Carrasco Pozo, Catalina; Álvarez Lueje, Alejandro; Olea Azar, Claudio; López Alarcón, Camilo; Speisky Cosoy, Hernán (SOC EXPERIMENTAL BIOLOGY MEDICINE, 2006-10)Homocysteine (Hcys) has been implicated in various oxidative stress–related disorders. The presence of a thiol on its structure allows Hcys to exert a double-edge redox action. Depending on whether Cu2þions occur ...
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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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Núñez Vergara, Luis; Matus, C.; Álvarez Lueje, Alejandro; Cassels Niven, Bruce; Squella Serrano, Juan (1994)The cyclic voltammetric characteristics of two nitroamphetamine derivatives (2‐nitro‐4,5‐dimethoxyamphetamine and 2‐nitro‐4,5‐methylenedioxyamphetamine) have been investigated in different media. In mixed media (aqueous ...
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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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Álvarez Lueje, Alejandro; Núñez Vergara, Luis; Squella Serrano, Juan (1994)The anodic electrochemical behavior of the five members of the 1,4‐dihydropyridine calcium antagonists family was studied. In all of the studied compounds (nifedipine, nitrendipine, nimodipine, nicardipine, and furaldipine), ...