Visualitza QFA_Articles per autoria "cd5609c6-5acf-4130-87d3-be28ba9c9125"
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Characterization of a recently detected halogenated aminorex derivative: para-fluoro-4-methylaminorex (4′F-4-MAR)
Fabregat-Safont, David; Carbón, X.; Ventura, Mireia; Fornís, I.; Hernandez, Felix; Ibáñez, Maria Nature Research (2019)Despite the fact that 33% of the new psychoactive substances seized in 2015 were synthetic cathinones, the number of these derivatives has been decreasing in the last years, probably as a consequence of the unfavourable ... -
Combined Use of GC-TOF MS and UHPLC-(Q)TOF MS To Investigate the Presence of Nontarget Pollutants and Their Metabolites in a Case of Honeybee Poisoning
Portoles, Tania; Ibáñez, Maria; Sancho, Juan V; Lopez, Francisco; Hernandez, Felix American Chemical Society (2009)The combined use of gas chromatography (GC) and ultrahigh-pressure liquid chromatography (UHPLC), both coupled to time-of-flight mass spectrometry (TOF MS), has been explored in this work for the investigation of several ... -
Comparative degradation of two highly consumed antihypertensives in water by sonochemical process. Determination of the reaction zone, primary degradation products and theoretical calculations on the oxidative process
Serna-Galvis, Efraim A.; Isaza-Pineda, Laura; Moncayo-Lasso, Alejandro; Hernandez, Felix; Ibáñez, Maria; Torres-Palma, Ricardo A. Elsevier (2019)This work compares the sonochemical degradation of losartan and valsartan (antihypertensives) in water. Initially, the suitable operational conditions of ultrasonic power density and frequency were established. Under such ... -
Degradation of seventeen contaminants of emerging concern in municipal wastewater effluents by sonochemical advanced oxidation processes
Serna-Galvis, Efraim A.; Botero-Coy, Ana Maria; Martínez-Pachón, Diana; Moncayo-Lasso, Alejandro; Ibáñez, Maria; Hernandez, Felix; Torres-Palma, Ricardo A. Elsevier (2019)The simultaneous degradation of seventeen emerging concern pollutants in effluent from the municipal wastewater treatment plant (MWTP) of Bogotá-Colombia was studied using high frequency ultrasound (375 kHz). The considered ... -
Determination of melamine in milk-based products and other food and beverage products by ion-pair liquid chromatography-tandem mass spectrometry
Ibáñez, Maria; Sancho, Juan V; Hernandez, Felix Elsevier (2009)This paper describes a fast method for the sensitive and selective determination of melamine in a wide range of food matrices, including several milk-based products. The method involves an extraction with aqueous 1% ... -
Determination of mycotoxins in different food commodities by ultra-high-pressure liquid chromatography coupled to triple quadrupole mass spectrometry
Beltrán Iturat, Eduardo; Ibáñez, Maria; Sancho, Juan V; Hernandez, Felix Wiley (2009)A rapid multianalyte-multiclass method with little sample manipulation has been developed for the simultaneous determination of eleven mycotoxins in different food commodities by using ultra-high-pressure liquid chromatography ... -
Fast determination of toxic diethylene glycol in toothpaste by ultra-performance liquid chromatography–time of flight mass spectrometry
Hernandez, Felix; Ibáñez, Maria; Sancho, Juan V Springer Verlag (2008)A rapid method for determining diethylene glycol (DEG) in toothpaste based on the use of ultraperformance liquid chromatography (UPLC) coupled to time-of-flight mass spectrometry (TOF-MS) has been developed. The method ... -
Identification of Aquifer Recharge Sources as the Origin of Emerging Contaminants in Intensive Agricultural Areas. La Plana de Castellón, Spain
Renau-Pruñonosa, Arianna; García-Menéndez, Olga; Ibáñez, Maria; Vázquez-Suñé, Enric; Boix, Clara; Ballesteros, Bruno B.; Hernández García, Marta; Morell, Ignacio; Hernandez, Felix MDPI (2020)In urban, industrial, and agricultural areas, a vast array of contaminants may be found because they are introduced into the aquifers by different recharge sources. The emerging contaminants (ECs) correspond to unregulated ... -
Improving Target and Suspect Screening High-Resolution Mass Spectrometry Workflows in Environmental Analysis by Ion Mobility Separation
Celma, Alberto; Sancho, Juan V; Schymanski, Emma; Fabregat-Safont, David; Ibáñez, Maria; Goshawk, Jeff; Barknowitz, Gitte; Hernandez, Felix; Bijlsma, Lubertus American Chemical Society (2020-11-19)Currently, the most powerful approach to monitor organic micropollutants (OMPs) in environmental samples is the combination of target, suspect, and nontarget screening strategies using high-resolution mass spectrometry ... -
Investigating the presence of pesticide transformation products in water by using liquid chromatography-mass spectrometry with different mass analyzers
Hernandez, Felix; Ibáñez, Maria; Pozo, Óscar J.; Sancho, Juan V John Wiley & Sons (2008)Many pesticide transformation products (TPs) can reach environmental waters as a consequence of their normally having a higher polarity than their parent pesticides. This makes the development of analytical methodology ... -
Investigation of pesticide metabolites in food and water by LC-TOF-MS
Hernandez, Felix; Sancho, Juan V; Ibáñez, Maria; Grimalt Brea, Susana Elsevier (2008)We illustrate the potential of liquid chromatography with (quadrupole) time-of-flight mass spectrometry [LC-(Q)TOF-MS] in investigating the presence of pesticide metabolites in food and water samples. The higher polarity ... -
Investigation of pharmaceuticals and their metabolites in Brazilian hospital wastewater by LC-QTOF MS screening combined with a preliminary exposure and in silico risk assessment
Wielens Becker, R.; Ibáñez, Maria; Cuervo Lumbaque, E.; Wilde, Marcelo Luís; Flores da Rosa, Tainá; Hernandez, Felix; Sirtori, C. Elsevier (2020)This work evaluates the occurrence of pharmaceuticals, with special emphasis on their metabolites, in raw hospital wastewater (HWW) using wide-scope screening based on liquid chromatography coupled to high resolution mass ... -
Investigation of pharmaceuticals in processed animal by-products by liquid chromatography coupled to high-resolution mass spectrometry
Nácher Mestre, Jaime; Ibáñez, Maria; Serrano, Roque; Boix Sales, Clara; Bijlsma, Lubertus; Lunestad, Bjorn Tore; Hannisdal, Rita; Alm, Martin; Hernandez, Felix; Berntssen, Marc H. G. Elsevier (2016-07)There is an on-going trend for developing more sustainable salmon feed in which traditionally applied marine feed ingredients are replaced with alternatives. Processed animal products (PAPs) have been re-authorized as novel ... -
LC-QTOF MS screening of more than 1,000 licit and illicit drugs and their metabolites in wastewater and surface waters from the area of Bogotá, Colombia
Hernandez, Felix; Ibáñez, Maria; Botero-Coy, Ana Maria; Bade, Richard; Bustos López, Martha Cristina; Rincón, Javier; Moncayo-Lasso, Alejandro; Bijlsma, Lubertus Springer (2015-08)A large screening of around 1,000 emerging contaminants, focused on licit and illicit drugs and their metabolites, has been made in urban wastewaters (both influent and effluent) and surface waters from the area of Bogotá, ... -
Mass spectrometric characterisation of a condensation product between porphobilinogen and indolyl-3-acryloylglycine in urine of patients with acute intermittent porphyria
Marcos, Josep; Ibáñez, Maria; Ventura, Rosa; Segura, Jordi; To-Figueras, Jordi; Pozo, Oscar J. Wiley (2015-07)We document the presence of a previously unknown species in the urine of patients with acute intermittent porphyria (AIP). The compound was fully characterised by liquid chromatography tandem mass spectrometry. Interpretation ... -
Method development and validation for the determination of selected endocrine disrupting compounds by liquid chromatography mass spectrometry and isotope pattern deconvolution in water samples. Comparison of two extraction techniques
Fabregat-Cabello, Neus; Pitarch-Motellón, Jorge; Sancho, Juan V; Ibáñez, Maria; Roig-Navarro, Antoni F. Royal Society of Chemistry (2016)In the present work two different extraction methodologies have been developed and validated for the determination of t-octylphenol and a technical mixture of nonylphenol (both, priority substances of EU water policy) and ... -
Occurrence and fate of illicit drugs and pharmaceuticals in wastewater from two wastewater treatment plants in Costa Rica
Causanilles, Ana; Ruepert, Clemens; Ibáñez, Maria; Emke, Erik; Hernandez, Felix; de Voogt, Pim Elsevier (2017)Chemical analysis of raw wastewater in order to assess the presence of biological markers entering a wastewater treatment plant can provide objective information about the health and lifestyle of the population connected ... -
Occurrence of pharmaceutical metabolites and transformation products in the aquatic environment of the Mediterranean area
Ibáñez, Maria; Bijlsma, Lubertus; Pitarch, Elena; Lopez, Francisco; Hernandez, Felix Elsevier (2021-02-09)The presence of pharmaceutically active substances (PhACs) in aquatic ecosystems is of great concern dueto their constant occurrence in different water systems and potential negative effects on the quality ofwater and ... -
Rapid non-target screening of organic pollutants in water by ultraperformance liquid chromatography coupled to time-of-light mass spectrometry
Ibáñez, Maria; Sancho, Juan V; Hernandez, Felix; McMillan, D.; Rao, R. Elsevier (2008)We show the potential of ultra-performance liquid chromatography (UPLC) coupled to time-of-flight mass spectrometry (TOF-MS) for screening of non-target organic pollutants in water samples. The great accuracy and the ... -
Retrospective LC-QTOF-MS analysis searching for pharmaceutical metabolites in urban wastewater
Hernandez, Felix; GRACIA LOR, EMMA; Sancho, Juan V; Ibáñez, Maria WILEY-VCH Verlag GmbH & Co (2011-12)The presence of pharmaceuticals in the environment is a matter of major concern because of their wide consumption and their potential negative effect on the water quality and living organisms. After human and/or veterinary ...