Search Results - "Cela, R."

Identification and determination of emerging pollutants in sewage sludge driven by UPLC-QTOF-MS data mining by Castro, G., Ramil, M., Cela, R., Rodríguez, I.

“…Sludge from sewage treatment plants (STPs) is recognized as a sink of moderate to high lipophilic compounds resistant to biodegradation. Herein, we investigate…”
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Selective determination of antimycotic drugs in environmental water samples by mixed-mode solid-phase extraction and liquid chromatography quadrupole time-of-flight mass spectrometry by Casado, J., Rodríguez, I., Ramil, M., Cela, R.

“…•Mixed-mode solid-phase extraction of antimycotics.•Reduction of signal suppression effects during ESI ionization.•Unambiguous identification of compounds with…”
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Selective determination of sartan drugs in environmental water samples by mixed-mode solid-phase extraction and liquid chromatography tandem mass spectrometry by Castro, G., Rodríguez, I., Ramil, M., Cela, R.

“…Herein, a method for the simultaneous determination of the currently prescribed sartan drugs (eprosartan, EPR; olmesartan, OLM; losartan, LOS; candesartan,…”
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Occurrence and risk assessment of pesticides and pharmaceuticals in viticulture impacted watersheds from Northwest Spain by Fernández-Fernández, V., Ramil, M., Cela, R., Rodríguez, I.

“…An automated analytical methodology was developed, validated and applied to monitor 73 organic pollutants (pesticides and pharmaceuticals) in surface and…”
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Evaluation of supercritical fluid chromatography accurate mass spectrometry for neonicotinoid compounds determination in wine samples by Pérez-Mayán, L., Cobo-Golpe, M., Ramil, M., Cela, R., Rodríguez, I.

“…•SFC-MS optimized parameters for neonicotinoid pesticides analysis.•High extraction yields and low matrix effects for SPE wine extracts.•Superior performance…”
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Supercritical fluid chromatography time-of-flight mass spectrometry enantiomeric determination of basic drugs in sewage samples by Cobo-Golpe, M., Ramil, M., Cela, R., Rodríguez, I.

“…•Effective, rapid chiral separation of imidazole and amine drugs.•Mobile phase additive affects enantiomeric resolution and ionization efficiency.•Reduced…”
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A new strategy for the computer-assisted development of reversed-phase liquid chromatography separation methods of unknown sample mixtures by Cela, R., Triñanes, S., Cobas, C.

“…A new strategy for the computer-assisted methods development in the reversed-phase liquid chromatographic separations of unknown sample mixtures has been…”
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Direct analysis in real time accurate mass spectrometry determination of bisphenol A in thermal printing paper by Castro, G., Rodríguez, I., Ramil, M., Cela, R.

“…Contact with thermal printing paper is a relevant source of dermal exposure to unbonded bisphenol A (BPA). In order to limit this exposure route, the European…”
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Multiresidue procedure to assess the occurrence and dissipation of fungicides and insecticides in vineyard soils from Northwest Spain by Pérez-Mayán, L., Ramil, M., Cela, R., Rodríguez, I.

“…The presence of fungicide and insecticide residues in wine has been largely investigated. However, few studies have addressed the persistence of these…”
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Assessment of gas chromatography time-of-flight mass spectrometry for the screening of semi-volatile compounds in indoor dust by Castro, G., Rodríguez, I., Ramil, M., Cela, R.

“…Indoor dust contains a complex mixture of anthropogenic and synthetic compounds closely related to dermal and respiratory diseases. Target methods have been…”
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Free chlorine reactions of angiotensin II receptor antagonists: Kinetics study, transformation products elucidation and in-silico ecotoxicity assessment by Carpinteiro, I., Castro, G., Rodríguez, I., Cela, R.

“…Angiotensin II receptor antagonists (ARA II) are widely employed in the treatment of hypertension-related diseases. Because of their partial metabolization and…”
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Portable dehumidifiers condensed water: A novel matrix for the screening of semi-volatile compounds in indoor air by Cobo-Golpe, M., Ramil, M., Cela, R., Rodríguez, I.

“…The comprehensive identification of organic species existing in indoor environments is a key issue to understand their impact in human health. This study…”
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Assessment of UV combined with free chlorine for removal of valsartan acid from water samples by Castro, G., Ramil, M., Cela, R., Rodríguez, I.

“…Valsartan acid (VALA) is a persistent and mobile pollutant, ubiquitously distributed in the aquatic environment. Herein, we assessed the efficiency of UV/free…”
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Approaches to liquid chromatography tandem mass spectrometry assessment of glyphosate residues in wine by Pérez-Mayán, L., Castro, G., Ramil, M., Cela, R., Rodríguez, I.

“…The performance of two different analytical methodologies to investigate the presence of glyphosate (GLY) and aminomethylphosphonic acid (AMPA) residues in…”
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Identification and determination of chlorinated azoles in sludge using liquid chromatography quadrupole time-of-flight and triple quadrupole mass spectrometry platforms by Castro, G., Roca, M., Rodríguez, I., Ramil, M., Cela, R.

“…•LC-QTOF-MS comprehensive search of chlorinated species in sludge extracts.•Compounds identified using their accurate product ion scan spectra.•Five novel…”
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Solid-phase extraction and fractionation of multiclass pollutants from wastewater followed by liquid chromatography tandem-mass spectrometry analysis by Fernández-Fernández, V., Ramil, M., Cela, R., Rodríguez, I.

“…Herein, we describe a modular solid-phase extraction (SPE) setup, combining three sorbents, for the effective extraction of neutrals, acidic, and basic…”
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Comprehensive evaluation of the photo-transformation routes of trans-resveratrol by Rodríguez-Cabo, T., Rodríguez, I., Ramil, M., Cela, R.

“…•Time-of-flight mass spectrometry investigation of resveratrol photo-transformation.•Identification of four different transformation routes.•Formation of…”
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Direct, automated and sensitive determination of glyphosate and related anionic pesticides in environmental water samples using solid-phase extraction on-line combined with liquid chromatography tandem mass spectrometry by López-Vázquez, J., Pérez-Mayán, L., Fernández-Fernández, V., Cela, R., Rodríguez, I.

“…•Automated determination of six Zwitterionic pesticides in surface water samples.•Extraction and determination steps scarcely affected by the water…”
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Supercritical fluid chromatography-mass spectrometric determination of chiral fungicides in viticulture-related samples by Pérez-Mayán, L., Ramil, M., Cela, R., Rodríguez, I.

“…•Fast separation of chiral fungicides by SFC-ESI-MS.•Make-up solution and mobile phase additives affect efficiency of ionization.•Enantiomeric fractions…”
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Multiclass semi-volatile compounds determination in wine by gas chromatography accurate time-of-flight mass spectrometry by Rodríguez-Cabo, T., Rodríguez, I., Ramil, M., Silva, A., Cela, R.

“…•Multiclass selective determination of semi-volatile compounds in wine.•Linear response ranges suitable to quantify natural and anthropogenic compounds.•Little…”
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