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Revista Tecnica de la Facultad de Ingenieria Universidad del Zulia(3)
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scopus(13)
Analysis of cocaine and benzoylecgonine in urine by using multisyringe flow injection analysis-gas chromatography-mass spectrometry system
ArticleAbstract: In this paper, a method was described to determine cocaine (COC) and benzoylecgonine (BZE) in humanPalabras claves:BSTFA, Cocaine, GC-MS, MSFIA, URINEAutores:Ayala C., Cerdà V., Clavijo S., Contreras Y., Delgado Y., Forteza R., María del Rosario Brunetto, Maximo Gallignani, Torres D.Fuentes:googlescopusA simple strategy for determining ethanol in all types of alcoholic beverages based on its on-line liquid-liquid extraction with chloroform, using a flow injection system and Fourier transform infrared spectrometric detection in the mid-IR
Conference ObjectAbstract: In this work, a simple strategy for the determination of ethanol in all types of alcoholic beveragesPalabras claves:Alcoholic beverages, ethanol, Flow analysis, FTIR, On-line liquid-liquid extractionAutores:Ayala C., Brunetto R., Burguera M., Luis Burguera J., Maximo GallignaniFuentes:googlescopusDetermination of atenolol in pharmaceutical dosages by Fourier transform infrared spectrometry (FTIR)
ArticleAbstract: In this work, a simple and rapid alternative method for determining atenolol in solid pharmaceuticalPalabras claves:ATENOLOL, FTIR spectrometry, PharmaceuticalsAutores:Ayala C., María del Rosario Brunetto, Maximo Gallignani, Ovalles F.Fuentes:googlescopusDetermination of caffeine in coffee by means Fourier transform infrared spectrometry
ArticleAbstract: Abstract In this work a flow analysis-Fourier transform infrared spectrometric (FA-FTIR) method forPalabras claves:caffeine, Coffee, Flow analysis, FTIR, InfraredAutores:Ayala C., Brunetto R., Maximo Gallignani, Torres M.Fuentes:googlescopusDetermination of losartan, telmisartan, and valsartan by direct injection of human urine into a column-switching liquid chromatographic system with fluorescence detection
ArticleAbstract: Column-switching high-performance liquid chromatographic (HPLC) method has been developed and validaPalabras claves:Human urine, LOSARTÁN, Monolithic column, Telmisartan, ValsartanAutores:Ayala C., Clavijo S., Contreras Y., Delgado Y., Estela J.M., María del Rosario Brunetto, Martin V.C., Maximo Gallignani, Ovalles F., Torres D.Fuentes:googlescopusDevelopment of a MSFIA sample treatment system as front end of GC-MS for atenolol and propranolol determination in human plasma
ArticleAbstract: An on-line solid-phase extraction (SPE) method coupled to gas chromatography-mass spectrometry (GC-MPalabras claves:ATENOLOL, Gas chromatography-Mass spectrometry (GC-MS), Human plasma, Microwave assisted derivatisation, Multisyringe flow injection analysis (MSFIA), Propranolol, Solid-phase extraction (SPE)Autores:Ayala C., Cerdà V., Clavijo S., Delgado Y., María del Rosario Brunetto, Maximo Gallignani, Orozco W.Fuentes:googlescopusFlow analysis-hydride generation-Fourier transform infrared spectrometry. A new analytical technique for the simultaneous determination of antimony, arsenic and tin
ArticleAbstract: The combination of flow analysis (FA), hydride generation (HG) and Fourier transform infrared (FTIR)Palabras claves:Autores:Ayala C., Brunetto R., Burguera M., Luis Burguera J., Maximo GallignaniFuentes:googlescopusFlow analysis-vapor phase generation-Fourier transform infrared (FA-VPG-FTIR) spectrometric determination of nitrite
Conference ObjectAbstract: In this work, the coupling between flow analysis (FA)-vapor phase generation (VPG) and Fourier transPalabras claves:Flow analysis, FTIR, Nitric oxide, NitriteAutores:Ayala C., Burguera M., Luis Burguera J., María del Rosario Brunetto, Maximo Gallignani, Sánchez A., Valero M.Fuentes:googlescopusOn-line gaseous phase generation - Fourier transform infrared (FT-IR) spectrometry. a new and powerful analytical technique
ReviewAbstract: In this work; a critical review about on-line gaseous phases generation with Fourier transform infraPalabras claves:FIA, Flow injection analysis, FTIR, Gaseous phase, Hg, Hydride generation, InfraredAutores:Ayala C., Brunette M., Maximo Gallignani, Valero M.Fuentes:googlescopusRP-HPLC-DAD determination of free amino acids in cocoa samples during fermentation and roasting
ArticleAbstract: Amino acids (AA) composition in cocoa beans can pbkp_redict the synthesis of compounds which affectPalabras claves:COCOA, Derivatization, Liquid chromatography, column-switching, Microwave radiationAutores:Ayala C., Clavijo S., Delgado Y., María del Rosario Brunetto, Máximo Gallignani , Orozco W., Zambrano A.Fuentes:googlescopus