Elegir campos a generar del autor María

Datos personales Todos / Ninguno
Correo Electrónico
Artículos Todos / Ninguno
Pre-concentration of 218 multiclass pesticide in groundwater samples using MSU-1 mesoporous sorbent
Monitoring of pesticide residues in crops irrigated with reclaimed water by a multiresidue method based on modified QuEChERS
Synthesis and characterization of a sulfonic species-based mesoporous sorbent for the pre-concentration of nine personal care products in wastewater and swimming pool water
Determination of personal care products in water using UHPLC–MS after solid phase extraction with mesoporous silica-based MCM-41 functionalized with cyanopropyl groups
Ultrasound-assisted extraction based on QuEChERS of pesticide residues in honeybees and determination by LC-MS/MS and GC-MS/MS
Evaluation of supercritical fluid chromatography coupled to tandem mass spectrometry for pesticide residues in food
Analysis and evaluation of (neuro)peptides in honey bees exposed to pesticides in field conditions
MCM-41 as novel solid phase sorbent for the pre-concentration of pesticides in environmental waters and determination by microflow liquid chromatography-quadrupole linear ion trap mass spectrometry
Large multiresidue analysis of pesticides in edible vegetable oils by using efficient solid-phase extraction sorbents based on quick, easy, cheap, effective, rugged and safe methodology followed by gas chromatography–tandem mass spectrometry
Mesoporous silica based MCM-41 as solid-phase extraction sorbent combined with micro-liquid chromatography-quadrupole-mass spectrometry for the analysis of pharmaceuticals in waters
Determination of eight pesticides of varying polarity in surface waters using solid phase extraction with multiwalled carbon nanotubes and liquid chromatography-linear ion trap mass spectrometry
Comparison of two ionic liquid dispersive liquid-liquid microextraction approaches for the determination of benzoylurea insecticides in wastewater using liquid chromatography-quadrupole-linear ion trap-mass spectrometry: Evaluation of green parameters
Enhanced high-performance liquid chromatography method for the determination of retinoic acid in plasma. Development, optimization and validation
Trace analysis of herbicides in wastewaters by a dispersive liquid-liquid microextraction approach and liquid chromatography with quadrupole linear ion trap mass spectrometry: Evaluation of green parameters
Determination of drugs in river and wastewaters using solid-phase extraction by packed multi-walled carbon nanotubes and liquid chromatography-quadrupole-linear ion trap-mass spectrometry
Ultrasound-assisted ionic liquid dispersive liquid-liquid microextraction coupled with liquid chromatography-quadrupole-linear ion trap-mass spectrometry for simultaneous analysis of pharmaceuticals in wastewaters
Second-order advantage achieved by modeling excitation-emission fluorescence matrices affected by inner filter effects using a strategy which combines standardization and calibration: Reducing experimental and increasing analytical sensitivity
Simple, rapid, and sensitive determination of beta-blockers in environmental water using dispersive liquid-liquid microextraction followed by liquid chromatography with fluorescence detection
Determination of (fluoro)quinolones in environmental water using online preconcentration with column switching linked to large sample volumes and fluorescence detection
Determination of eight fluoroquinolones in groundwater samples with ultrasound-assisted ionic liquid dispersive liquid-liquid microextraction prior to high-performance liquid chromatography and fluorescence detection
Analysis of ?-blockers in groundwater using large-volume injection coupled-column reversed-phase liquid chromatography with fluorescence detection and liquid chromatography time-of-flight mass spectrometry
Multivariate curve resolution modeling of liquid chromatography-mass spectrometry data in a comparative study of the different endogenous metabolites behavior in two tomato cultivars treated with carbofuran pesticide
Column-switching linked to large sample volumes to preconcentrate ?-blockers at trace levels in environmental water
Science based calibration for the extraction of 'analyte-specific' HPLC-DAD chromatograms in environmental analysis
Chemometric strategies for enhancing the chromatographic methodologies with second-order data analysis of compounds when peaks are overlapped
Determination of five beta-blockers in wastewaters by coupled-column liquid chromatography and fluorescence detection
Determination of pharmaceuticals in river water by column switching of large sample volumes and liquid chromatography-diode array detection, assisted by chemometrics: An integrated approach to green analytical methodologies
Study of the suitability of HRMAS NMR for metabolic profiling of tomatoes: Application to tissue differentiation and fruit ripening
Chemometric tools improving the determination of anti-inflammatory and antiepileptic drugs in river and wastewater by solid-phase microextraction and liquid chromatography diode array detection
Detection of unintended stress effects based on a metabonomic study in tomato fruits after treatment with carbofuran pesticide. Capabilities of MCR-ALS applied to LC-MS three-way data arrays
Determination of photoirradiated high polar benzoylureas in tomato by HPLC with luminol chemiluminescence detection
Application of solid-phase microextraction for determination of pyrethroids in groundwater using liquid chromatography with post-column photochemically induced fluorimetry derivatization and fluorescence detection
Application of the doehlert design to optimize the signal obtained in photochemically induced fluorescence for the determination of eight phenylureas
Solving matrix-effects exploiting the second order advantage in the resolution and determination of eight tetracycline antibiotics in effluent wastewater by modelling liquid chromatography data with multivariate curve resolution-alternating least squares and unfolded-partial least squares followed by residual bilinearization algorithms. I. Effect of signal pre-treatment
Solving matrix effects exploiting the second-order advantage in the resolution and determination of eight tetracycline antibiotics in effluent wastewater by modelling liquid chromatography data with multivariate curve resolution-alternating least squares and unfolded-partial least squares followed by residual bilinearization algorithms. II. Prediction and figures of merit
Chemometric assisted solid-phase microextraction for the determination of anti-inflammatory and antiepileptic drugs in river water by liquid chromatography-diode array detection
Solid-phase microextraction (SPME) for the determination of pyrethroids in cucumber and watermelon using liquid chromatography combined with post-column photochemically induced fluorimetry derivatization and fluorescence detection
Solid-phase microextraction for the determination of benzoylureas in orange juice using liquid chromatography combined with post-column photochemically induced fluorimetry derivatization and fluorescence detection
Analysis of phenylurea and propanil herbicides by solid-phase microextraction and liquid chromatography combined with post-column photochemically induced fluorimetry derivatization and fluorescence detection
Column switching liquid chromatography and post-column photochemically fluorescence detection to determine imidacloprid and 6-chloronicotinic acid in honeybees
Coupled-column liquid chromatography combined with postcolumn photochemical derivatization and fluorescence detection for the determination of herbicides in groundwater
The application to wastewaters of chemometric approaches to handling problems of highly complex matrices
Determination of photoirradiated tetracyclines in water by high-performance liquid chromatography with chemiluminescence detection based reaction of rhodamine B with cerium (IV)
Simple and rapid determination of benzoylphenylurea pesticides in river water and vegetables by LC-ESI-MS
Simple, rapid solid-phase extraction procedure for the determination of ultra-trace levels of pyrethroids in ground and sea water by liquid chromatography/electrospray ionization mass spectroscopy
Determination of pyrethroid insecticides in vegetables with liquid chromatography using detection by electrospray mass spectrometry
Determination of nine pyrethroid insecticides by high-performance liquid chromatography with post-column photoderivatization and detection based on acetonitrile chemiluminescence
Determination of tetracyclines in surface water by partial least squares using multivariate calibration transfer to correct the effect of solid phase preconcentration in photochemically induced fluorescence signals
Highly collinear three-way photoinduced spectrofluorimetric data arrays modelled with bilinear least-squares: Determination of tetracyclines in surface water samples
Determination of benzoylureas in ground water samples by fully automated on-line pre-concentration and liquid chromatography-fluorescence detection
Application of coupled-column liquid chromatography combined with post-column photochemically induced fluorimetry derivatization and fluorescence detection to the determination of pyrethroid insecticides in vegetable samples
Online trace enrichment to determine pyrethroids in river water by HPLC with column switching and photochemical induced fluorescence detection
Benzoylphenylurea residues in peppers and zucchinis grown in greenhouses: Determination of decline times and pre-harvest intervals by modelling
Large-volume direct injection for determining naphthalene derivative pesticides in water using a restricted-access medium column in RPLC-LC with fluorescence detection
Coupled-column liquid chromatography method with photochemically induced derivatization for the direct determination of benzoylureas in vegetables
Dissipation of pyrethroid residues in peppers, zucchinis, and green beans exposed to field treatments in greenhouses: Evaluation by decline curves
Determination of carbendazim, fuberidazole and thiabendazole by three-dimensional excitation-emission matrix fluorescence and parallel factor analysis
Determination of carbendazim, thiabendazole and fuberidazole using a net analyte signal-based method
Application of GRAM and TLD to the resolution and quantitation of real complex multicomponent mixtures by fluorescence spectroscopy
A comparative study of the correction of systematic errors in the quantitation of pyrethroids in vegetables using calibration curves prepared using standards in pure solvent
Correction of the matrix effect in the determination of benzoylphenylurea insecticides in vegetables
Standardization of SPE signals in multicomponent analysis of three benzimidazolic pesticides by spectrofluorimetry
Assessment of relevant factors and relationships concerning human dermal exposure to pesticides in greenhouse applications
Selection of the simpler calibration model for multivariate analysis by partial least squares
Dermal exposure to pesticides in greenhouses workers: Discrimination and selection of variables for the design of monitoring programs
Determination of acetamiprid by HPLC-fluorescence with post-column photoderivatization and HPLC-mass selective detection
Resolution of HPLC-DAD highly overlapping analytical signals for quantitation of pesticide mixtures in groundwater and soil using multicomponent analysis and neural networks
Determination of benzoylureas in tomato by high-performance liquid chromatography using continuous on-line post-elution photoirradiation with fluorescence detection
Resolution (and quantitation) of mixtures with overlapped spectra by orthogonal projection approach and alternating least squares
Determination of pyrethroids in vegetables by HPLC using continuous on-line post-elution photoirradiation with fluorescence detection
Photochemical-spectrofluorimetric method for the determination of benzoylurea insecticides: Applications in river water samples and in technical formulations
Gas chromatographic method for assessing the dermal exposure of greenhouse applicators to dimethoate and malathion
Gas chromatographic method and whole body dosimetry for assessing dermal exposure of greenhouse applicators to chlorpyrifos-methyl and fenitrothion
Trace determination of carbendazim, fuberidazole and thiabendazole in water by application of multivariate calibration to cross-sections of three-dimensional excitation-emission matrix fluorescence
Resolution of multicomponent peaks by orthogonal projection approach, positive matrix factorization and alternating least squares
Application of partial least-squares calibration to phosphorimetric data for determination of polycyclic aromatic hydrocarbons in spiked environmental samples
Determination of parts per trillion levels of benzoylurea pesticides in groundwater by high-performance liquid chromatography-electrospray ionization mass spectrometry
Determination of Binary and Ternary Mixtures of Pesticides in Wetland Waters by Gas Chromatography Using Partial Least-Squares Analysis
Comparison of calibration methods with and without feature selection for the analysis of HPLC data
Effect of using selected information from HPLC-DAD and PLS in the elimination of interferences for the resolution of a complex pesticide mixture
Application of several modified peak purity assays to real complex multicomponent mixtures by high-performance liquid chromatography with diode-array detection
Use of the cross-section technique linked with multivariate calibration methods to resolve complex pesticide mixtures
Resolution of imidacloprid pesticide and its metabolite 6- chloronicotinic acid using cross-sections of spectrochromatograms obtained by high-performance liquid chromatography with diode-array detection
Levels of metamidophos in air and vegetables after greenhouse applications by gas chromatography
Cross-sections of spectrochromatograms for the resolution of overlapping peaks in diode-array high-performance liquid-chromatography
Diminution of Chlorpyrifos and Chlorpyrifos Oxon in Tomatoes and Green Beans Grown in Greenhouses
Analyses of Chlorothalonil and Dichlofluanid in Greenhouse Air
Determination and Degradation of Methomyl in Tomatoes and Green Beans Grown in Greenhouses
Comparison of multicomponent determination of iprodione, procymidone and chlorothalonil by partial least squares modelling using spectrophotometric and high-performance liquid chromatography data
Comparative study for determining diuron and chlorpyrifos at PPB levels by first derivative spectra and multivariate calibration methods
Determination of folpet, procymidone, and triazophos in groundwater by HPLC using partial least squares and principal component regression
Determination of cypermethrin, fenvalerate and cis- and trans-permethrin in soil and groundwater by high-performance liquid chromatography using partial least-squares regression
Partial least-squares and principal component regression of multi-analyte high-performance liquid chromatography with diode-array detection
Cross-sections of spectrochromatograms for the resolution of folpet, procymidone and triazophos pesticides in high-performance liquid chromatography with diode-array detection
Degradation of fenamiphos and folpet in water
Resolution of ternary mixtures of salicylic, salicyluric and gentisic acids by partial least squares and principal component regression: Optimization of the scanning path in the excitation-emission matrices
Simultaneous fluorimetric determination of acetylsalicylic acid metabolites in urine by partial least squares multivariate calibration
Trapping efficiency of polyurethane foam and amberlite XAD-2 for various organochlorine compounds
Wavelength selection method for multicomponent spectrophotometric determinations using partial least squares
Simultaneous Determination of Atrazine and Chlorpyrifos in Pesticide Formulations, In Soils and Waters by Derivative Spectrophotometry and Ratio Spectra Derivative
Multicomponent determination of atrazine, diuron and chlorpyrifos in groundwaters and soils by spectrophotometry using multivariate calibration
Determination of fenamiphos and folpet in water by time-domain differentiation of high-performance liquid chromatographic peaks
Simple and rapid screening procedure for pesticides in water using SPE and HPLC/DAD detection
Rapid Determination of Nitrofurantoin, Furazolidone and Furaltadone in Formulations, Feed and Milk by High Performance Liquid Chromatography
First derivative of the ratio spectra method for resolving iodide and thiocyanate in binary mixtures
Elimination of spectral interferences in the reaction of 2-thiobarbituric acid with malonaldehyde, 2-furfuraldehyde and 5-hydroxymethyl-2-furfuraldehyde by partial least squares multivariate calibration (PLS)
Simultaneous determination of 2-furfuraldehyde, 5-hydroxymethylfurfuraldehyde and malonaldehyde in mixtures by derivative spectrophotometry and partial least-squares analysis
Metal Ligand Stability Constants of Divalent Ions with 5,5??Methylenebisthiosalicylic Acid (MBTSA)
Simultaneous Determination of Folpet and Fenamiphos in Water and Pesticide Formulations by Derivative Spectrophotometry
Extraction Spectrophotometric Determination of Vanadium in Steels with Thiosalicylic Acid (TSA)
Thermal and spectroscopic study of complexes of 5,5'-methylenebisthiosalicylic acid (mdtsa) and divalent metallic cations
Libros, capítulos, tesis Todos / Ninguno
Aplicación de materiales mesoporosos a la preconcentración de contaminantes orgánicos en aguas, y su determinación mediante cromatografía líquida de alta resolución y espectrometría de masas
Preconcentración de contaminantes orgánicos en aguas con nanotubos de carbono y materiales mesoporosos y determinación mediante lc-ms/ms
Diseño de un video tutorial para la mejora del aprendizaje de conceptos y procedimientos difíciles en el Área de Química Analítica
Preconcentración de fármacos y plaguicidas en aguas mediante acoplamiento de columnas y microextracción líquido-líquido dispersiva para su determinación por cromatografía líquida de alta resolución
Determinación de contaminantes orgánicos mediante cromatografía líquida y detección luminiscente
Determinación de plaguicidas mediante cromatografía líquida con detección fluorimétrica y espectrometría de masas
Determinación de nueve piretroides por hplc con fotoderivación post-columna y detección basada en la quimioluminiscencia del acetonitrilo
Aplicación de estrategias quimiométricas a la resolución y cuantificación de plaguicidas en espectroscopía de luminiscencia molecular
Determinacion de plaguicidas mediante hplc con fluorescencia fotoinducida. Persistencia y plazos de seguridad en hortalizas
Niveles de pesticidas organofosforados en aire: exposición dermica e inhalatoria de agricultores
Evaluación de la exposición de trabajadores y pobalción circundante a plaguicidas organoclorados
Aplicaciones analiticas de los acidos tiosalicilico y 5 5 metilenditiosalicilico
Conferencias Todos / Ninguno
New method for the photo-chemiluminometric determination of benzoylurea insecticides based on acetonitrile chemiluminescence
Correction of predicted concentration in the use of solvent-based calibration lines for determining carbendazim, fuberidazole and thiabendazole in water after a SPE step
Evaluation of multiwavelength chromatograms for the quantification of mixtures of pesticides by high-performance liquid chromatography-diode array detection with multivariate calibration
Resolution of folpet, procymidone and triazophos in high-performance liquid chromatography-diode array detection by using partial least squares calibration to cross-sections of spectrochromatograms
Resolution of overlapping peaks in HPLC with diode array detection by application of partial least squares calibration to cross-sections of spectrochromatograms
Analysis of lindane, ?- and ?-endosulfan and endosulfan sulfate in greenhouse air by gas chromatography
A study of fenpropathrin residues in tomatoes and green beans grown in greenhouses in Spain
Métricas del autor Todos / Ninguno
Indice H