Search Results - "Sancho, J.V"

Investigation of pharmaceuticals and illicit drugs in waters by liquid chromatography-high-resolution mass spectrometry by Hernández, F., Ibáñez, M., Bade, R., Bijlsma, L., Sancho, J.V.

“…•Overview of LC-HRMS in investigating illicit drugs and pharmaceuticals in waters.•We consider time-of-flight (TOF) and Orbitrap mass analyzers.•We discuss the…”
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Direct liquid chromatography–tandem mass spectrometry determination of underivatized glyphosate in rice, maize and soybean by Botero-Coy, A.M., Ibáñez, M., Sancho, J.V., Hernández, F.

“…•HILIC columns tested for direct LC–MS/MS determination of glyphosate without derivatization.•Obelisc N has been used for GLY residue determination in rice,…”
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Improvements in the analytical methodology for the residue determination of the herbicide glyphosate in soils by liquid chromatography coupled to mass spectrometry by Botero-Coy, A.M., Ibáñez, M., Sancho, J.V., Hernández, F.

“…► Improved LC–MS/MS method for glyphosate and AMPA residues in soils. ► Problematic ion ratio confirmation as soil components interfere MS/MS transitions. ►…”
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Qualitative validation of a liquid chromatography–quadrupole-time of flight mass spectrometry screening method for organic pollutants in waters by Diaz, R., Ibáñez, M., Sancho, J.V., Hernández, F.

“…► Qualitative validation of a UHPLC–(Q)TOF MS wide-scope screening method performed. ► Contaminant identification criteria have been discussed for HRMS…”
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Validation of a qualitative screening method for pesticides in fruits and vegetables by gas chromatography quadrupole-time of flight mass spectrometry with atmospheric pressure chemical ionization by Portolés, T., Mol, J.G.J., Sancho, J.V., López, Francisco J., Hernández, F.

“…[Display omitted] •Applicability of GC-(APCI)QTOF MS as new tool for wide-scope screening of pesticides in fruits and vegetables demonstrated.•Validation of…”
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Multiresidue liquid chromatography tandem mass spectrometry determination of 52 non gas chromatography-amenable pesticides and metabolites in different food commodities by Hernández, F., Pozo, O.J., Sancho, J.V., Bijlsma, L., Barreda, M., Pitarch, E.

“…A multiresidue method is developed for the screening, quantification and confirmation of 43 pesticides, belonging to different chemical families of…”
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Residue determination of cyromazine and its metabolite melamine in chard samples by ion-pair liquid chromatography coupled to electrospray tandem mass spectrometry by Sancho, J.V., Ibáñez, M., Grimalt, S., Pozo, Ó.J., Hernández, F.

“…A method has been developed for the sensitive and selective determination of cyromazine and its metabolite melamine in chard samples. Both compounds are small…”
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Mass spectrometric characterization of urinary toremifene metabolites for doping control analyses by Gómez, C., Pozo, O.J., Diaz, R., Sancho, J.V., Vilaroca, E., Salvador, J.P., Marco, M.P., Hernandez, F., Segura, J., Ventura, R.

“…Toremifene is a selective estrogen receptor modulator included in the list of prohibited substances in sport by the World Anti-doping Agency. The aim of the…”
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Determination of abamectin and azadirachtin residues in orange samples by liquid chromatography–electrospray tandem mass spectrometry by Pozo, O.J, Marin, J.M, Sancho, J.V, Hernández, F

“…A rapid and sensitive LC–ESI-MS–MS method has been developed for the determination of azadirachtin and abamectin residues in orange samples. Samples were…”
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Electrochemical oxidation of dibenzothiophene compounds on BDD electrode in acetonitrile–water medium by Ornelas Dávila, O., Lacalle Bergeron, L., Ruiz Gutiérrez, P., Dávila Jiménez, M.M., Sirés, I., Brillas, E., Roig Navarro, A.F., Beltrán Arandes, J., Sancho Llopis, J.V.

“…The electrochemical oxidation of dibenzothiophene and two derivatives, namely 4-methyldibenzothiophene and 4,6-dimethyldibenzothiophene, was investigated…”
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The role of analytical chemistry in exposure science: Focus on the aquatic environment by Hernández, F., Bakker, J., Bijlsma, L., de Boer, J., Botero-Coy, A.M., Bruinen de Bruin, Y., Fischer, S., Hollender, J., Kasprzyk-Hordern, B., Lamoree, M., López, F.J., Laak, T.L. ter, van Leerdam, J.A., Sancho, J.V., Schymanski, E.L., de Voogt, P., Hogendoorn, E.A.

“…Exposure science, in its broadest sense, studies the interactions between stressors (chemical, biological, and physical agents) and receptors (e.g. humans and…”
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Current use of high-resolution mass spectrometry in the environmental sciences by Hernández, F., Sancho, J. V., Ibáñez, M., Abad, E., Portolés, T., Mattioli, L.

“…During the last two decades, mass spectrometry (MS) has been increasingly used in the environmental sciences with the objective of investigating the presence…”
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Behaviour of emerging contaminants in sewage sludge after anaerobic digestion by Boix, C., Ibáñez, M., Fabregat-Safont, D., Morales, E., Pastor, L., Sancho, J.V., Sánchez-Ramírez, J.E., Hernández, F.

“…Nowadays, there is an increasing concern over the presence of contaminants in the aquatic environment, where they can be introduced from wastewater after their…”
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Combined use of liquid chromatography triple quadrupole mass spectrometry and liquid chromatography quadrupole time-of-flight mass spectrometry in systematic screening of pesticides and other contaminants in water samples by Masiá, A., Ibáñez, M., Blasco, C., Sancho, J.V., Picó, Y., Hernández, F.

“…[Display omitted] ► HPLC–QqQ-MS/MS combined with UPLC–QTOF MS to screen pesticides. ► LC–QqQ-MS/MS was validated to determine 43 pesticide residues. ►…”
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Investigation of pesticide metabolites in food and water by LC-TOF-MS by Hernández, F., Sancho, J.V., Ibáñez, M., Grimalt, S.

“…We illustrate the potential of liquid chromatography with (quadrupole) time-of-flight mass spectrometry [LC-(Q)TOF-MS] in investigating the presence of…”
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Proposal of 5-methoxy-N-methyl-N-isopropyltryptamine consumption biomarkers through identification of in vivo metabolites from mice by Fabregat-Safont, D., Barneo-Muñoz, M., Martinez-Garcia, F., Sancho, J.V., Hernández, F., Ibáñez, M.

“…•Metabolism and pharmacokinetic of tryptamine 5-MeO-MiPT was studied.•Two Phase I and two Phase II metabolites were elucidated by UHPLC-HRMS.•Pharmacokinetic…”
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Potential of atmospheric pressure chemical ionization source in GC-QTOF MS for pesticide residue analysis by Portolés, T, Sancho, J.V, Hernández, F, Newton, A, Hancock, P

“…The potential applications of a new atmospheric pressure source for GC-MS analysis have been investigated in this work. A list of around 100 GC-amenable…”
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Determination of selected endogenous anabolic androgenic steroids and ratios in urine by ultra high performance liquid chromatography tandem mass spectrometry and isotope pattern deconvolution by Pitarch-Motellón, J., Sancho, J.V., Ibáñez, M., Pozo, O., Roig-Navarro, A.F.

“…•Robust determination of selected endogenous steroids in urine by LC-IDMS and isotope pattern deconvolution.•Accuracy and precision were successfully validated…”
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Use of electron ionization and atmospheric pressure chemical ionization in gas chromatography coupled to time-of-flight mass spetrometry for screening and identification of organic pollutants in waters by Portoles, T, Mol, J.G.J, Sancho, J.V, Hernandez, F

“…A new approach has been developed for multiclass screening of organic contaminants in water based on the use of gas chromatography coupled to hybrid quadrupole…”
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Advantages of Atmospheric Pressure Chemical Ionization in Gas Chromatography Tandem Mass Spectrometry: Pyrethroid Insecticides as a Case Study by Portolés, T, Mol, J. G. J, Sancho, J. V, Hernández, F

“…Gas chromatography coupled to mass spectrometry (GC/MS) has been extensively applied for determination of volatile, nonpolar, compounds in many applied fields…”
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