Search Results - "Espinosa Mansilla, A"

HPLC determination of enoxacin, ciprofloxacin, norfloxacin and ofloxacin with photoinduced fluorimetric (PIF) detection and multiemission scanning : Application to urine and serum by ESPINOSA-MANSILLA, A, MUNOZ DE LA PENA, A, GONZALEZ GOMEZ, D, SALINAS, F

“…The fluorescence emission of the fluoroquinolones enoxacin (ENO), ciprofloxacin (CIPRO), norfloxacin (NOR) and ofloxacin (OFLO) notably increased by UV…”
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Capillary electrophoretic determination of methotrexate, leucovorin and folic acid in human urine by RODRIGUEZ FLORES, J, CASTANEDA PENALVO, G, ESPINOSA MANSILLA, A, RODRIGUEZ GOMEZ, M. J

“…A simple, rapid and sensitive procedure using capillary zone electrophoresis (CZE) to measure methotrexate, folinic acid and folic acid in human urine has been…”
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Photoinduced fluorimetric determination of folic acid and 5-methyltetrahydrofolic acid in serum using the kinetic evolution of the emission spectra accomplished with multivariate second-order calibration methods by Jiménez Girón, A, Durán Merás, I, Muñoz de la Peña, A, Espinosa Mansilla, A, Cañada Cañada, F, Olivieri, A. C

“…Second-order multivariate calibration methods in combination with a continuous flow system, which allows for the continuous on-line irradiation of the…”
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ADSORPTION OF MERCURY, CADMIUM AND LEAD FROM AQUEOUS SOLUTION ON HEAT-TREATED AND SULPHURIZED ACTIVATED CARBON by GOMEZ-SERRANO, V., MACIAS-GARCIA, A., ESPINOSA-MANSILLA, A., VALENZUELA-CALAHORRO, C.

“…The adsorption of mercury, cadmium and lead from aqueous solutions on heat-treated and sulphurized activated carbon has been studied comparatively. The…”
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Photoinduced spectrofluorimetric determination of fluoroquinolones in human urine by using three- and two-way spectroscopic data and multivariate calibration by Espinosa-Mansilla, A., Peña, A. Muñoz de la, Gómez, D. González, Salinas, F.

“…Multivariate methods comprise of a group of chemometric tools allowing the analysis of different analytical data, i.e., spectroscopic, chromatographic obtained…”
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A novel analytical methodology for the determination of hydroxy polycyclic aromatic hydrocarbons in breast and cow milk samples by Martin-Tornero, E., Luque-Uría, A., Durán-Merás, I., Espinosa-Mansilla, A.

“…•A high sensitivity fluorimetric HPLC method was applied to analyze OHPAHs.•Fluorimetric multiemission detection increases the selectivity and sensitivity.•A…”
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Comparative study of net analyte signal-based methods and partial least squares for the simultaneous determination of amoxycillin and clavulanic acid by stopped-flow kinetic analysis by Muñoz de la Peña, A., Espinosa-Mansilla, A., Acedo Valenzuela, M.I., Goicoechea, H.C., Olivieri, A.C.

“…A comparative study about advantages and limitations of net analyte signal (NAS)-based methods (NBMs) and partial least squares (PLS) calibration in kinetic…”
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Second-Order Calibration of Excitation—Emission Matrix Fluorescence Spectra for the Determination of N-Phenylanthranilic Acid Derivatives by de la Peña, A. Muñoz, Mansilla, A. Espinosa, Díez, N. Mora, Gil, D. Bohoyo, Olivieri, A. C., Escandar, G. M.

“…A spectrofluorimetric method has been developed for the quantitative determination of mefenamic, flufenamic, and meclofenamic acids in urine samples. The…”
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Analysis of antibiotics in fish samples by Cañada-Cañada, F, Muñoz de la Peña, A, Espinosa-Mansilla, A

“…The use of antibiotics in food-producing animals has generated considerable interest because the widespread administration of these drugs may lead to the…”
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Determination of triamterene in pharmaceutical formulations and of triamterene and its main metabolite hydroxytriamterene sulfate in urine using solid-phase and aqueous solution luminescence by Ibañez, G.A., Escandar, G.M., Mansilla, A. Espinosa, Peña, A. Muñoz de la

“…Solid-phase extraction (SPE) (reversed-phase and mixed-mode) and nylon membranes were investigated as solid matrices for obtaining fluorescence signals from…”
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Determination of antitubercular drugs by micellar electrokinetic capillary chromatography (MEKC) by Acedo-Valenzuela, M I, Espinosa-Mansilla, A, Muñoz De La Peña, A, Cañada-Cañada, F

“…A method for the determination of isoniazid (ISO), pyrazinamide (PYR) and rifampicin (RIF) in pharmaceutical products, by micellar electrokinetic capillary…”
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HPLC determination of serum pteridine pattern as biomarkers by Martín Tornero, E., Durán Merás, I., Espinosa-Mansilla, A.

“…Pteridinic derivatives are important biomolecules considered as biomarkers for several diseases, especially in cancer and infectious pathologies. A new…”
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Kinetic fluorimetric determination of the antineoplastic methotrexate (MTX) in human serum by Espinosa-Mansilla, A., Durán Merás, I., Zamora Madera, A., Pedano, L., Ferreyra, C.

“…A kinetic study of the oxidation of methotrexate (MTX) in acidic medium and in the presence of potassium permanganate has been made on the basis of the…”
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Second-order multivariate calibration procedures applied to high-performance liquid chromatography coupled to fast-scanning fluorescence detection for the determination of fluoroquinolones by Cañada-Cañada, F., Arancibia, J.A., Escandar, G.M., Ibañez, G.A., Espinosa Mansilla, A., Muñoz de la Peña, A., Olivieri, A.C.

“…Different second-order multivariate calibration algorithms, namely parallel factor analysis (PARAFAC), N-dimensional partial least-squares (N-PLS) and…”
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A simple HPLC-ESI-MS method for the direct determination of ten pteridinic biomarkers in human urine by Jiménez Girón, A., Martín-Tornero, E., Hurtado Sánchez, M.C., Durán Merás, I., Espinosa Mansilla, A.

“…Pteridines are important biomarkers metabolites related to several biochemical pathways such as activation of the cell-mediated immune system, biosynthesis of…”
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Comparison of UV derivative-spectrophotometry and partial least-squares (PLS-1) calibration for determination of methotrexate and leucovorin in biological fluids by Durán Merás, I, Espinosa Mansilla, A, Salinas López, F, Rodríguez Gómez, M J

“…Binary mixtures of methotrexate (MTX) and leucovorin (LV) have been resolved by application of first-derivative spectrophotometry and partial least squares…”
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Enhanced MCR-ALS modeling of HPLC with fast scan fluorimetric detection second-order data for quantitation of metabolic disorder marker pteridines in urine by Culzoni, M.J., Mancha de Llanos, A., De Zan, M.M., Espinosa-Mansilla, A., Cañada-Cañada, F., Muñoz de la Peña, A., Goicoechea, H.C.

“…This work presents the development of a liquid chromatographic method based on modeling entire fast scan fluorimetric detection second-order data with the…”
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Determination of marker pteridines in urine by HPLC with fluorimetric detection and second-order multivariate calibration using MCR-ALS by de Llanos, A. Mancha, De Zan, M. M, Culzoni, M. J, Espinosa-Mansilla, A, Cañada-Cañada, F, de la Peña, A. Muñoz, Goicoechea, H. C

“…A liquid chromatographic method has been developed, in combination with the multivariate curve resolution-alternating least squares algorithm (MCR-ALS), for…”
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Determination of triamterene and leucovorin in biological fluids by UV derivative-spectrophotometry and partial least-squares (PLS-1) calibration by Duran Merás, I., Espinosa Mansilla, A., Salinas López, F., Rodrı́guez Gómez, M.J.

“…The resolution of binary mixtures of triamterene (TAT) and leucovorin (LV) by application of first-derivative spectrophotometry and by application of Partial…”
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Adsorptive stripping square wave voltammetry (Ad-SSWV) accomplished with second-order multivariate calibration Determination of fenitrothion and its metabolites in river water samples by GALEANO-DIAZ, T, GUIBERTEAU-CABANILLAS, A, ESPINOSA-MANSILLA, A, LOPEZ-SOTO, M. D

“…A method, using stripping square wave voltammetry (Ad-SSWV), for the simultaneous determination of fenitrothion (FEN) and its metabolites: fenitrooxon (OXON)…”
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