Listar por autoría "b20e2308-042a-4f2b-ade4-857f73468d65"
Mostrando ítems 21-40 de 253
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Application of catalytic ozonation using Y zeolite in the elimination of pharmaceuticals in effluents from municipal wastewater treatment plants
Prada Vásquez, Maria Angélica; Simarro Gimeno, Claudia; Vidal Barreiro, Isabel; Cardona-Gallo, Santiago-Alonso; Pitarch, Elena; Hernandez, Felix; Torres-Palma, Ricardo A.; chica, antonio; Navarro-Laboulais, Javier Elsevier (2024)Catalytic ozonation using faujasite-type Y zeolite with two different SiO2/Al2O3 molar ratios (60 and 12) was evaluated for the first time in the removal of 25 pharmaceutical compounds (PhCs) present in real effluents from ... -
Application of Fast Gas Chromatography–Mass Spectrometry in Combination with the QuEChERS Method for the Determination of Pesticide Residues in Fruits and Vegetables
Cherta Cucala, Laura; Beltran Arandes, Joaquin; López, Francisco; Hernandez, Felix Springer Verlag (2013)A fast gas chromatography–mass spectrometry method has been developed for multiresidue determination of up to 56 pesticides in fruits and vegetables in a chromatographic run time of <10 min, using a single quadrupole mass ... -
Application of gas chromatography time-of-flight mass spectrometry for target and non-target analysis of pesticide residues in fruits and vegetables
Hernandez, Felix; Beltran Arandes, Joaquin; Portoles, Tania; Pitarch, Elena; Cervera Vidal, María Inés Elsevier (2012)In this work, the capability of gas chromatography coupled to time-of-flight mass spectrometry (GC–TOF MS) for quantitative analysis of pesticide residues has been evaluated. A multiclass method for rapid screening of ... -
Application of gas chromatography–(triple quadrupole) mass spectrometry with atmospheric pressure chemical ionization for the determination of multiclass pesticides in fruits and vegetables
Cherta Cucala, Laura; Portoles, Tania; Beltran Arandes, Joaquin; Pitarch, Elena; Mol, Johannes G. J.; Hernandez, Felix Elsevier (2013-11)A multi-residue method for the determination of 142 pesticide residues in fruits and vegetables has been developed using a new atmospheric pressure chemical ionization (APCI) source for coupling gas chromatography (GC) to ... -
Application of gas chromatography–(triple quadrupole) mass spectrometry with atmospheric pressure chemical ionization for the determination of multiclass pesticides in fruits and vegetables
Cherta Cucala, Laura; Portoles, Tania; Beltran Arandes, Joaquin; Pitarch, Elena; Mol, Johannes G. J.; Hernandez, Felix Elsevier (2013-11)A multi-residue method for the determination of 142 pesticide residues in fruits and vegetables has been developed using a new atmospheric pressure chemical ionization (APCI) source for coupling gas chromatography (GC) to ... -
Application of head-space solid-phase microextraction coupled to comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for the determination of multiple pesticide residues in tea samples
Schurek, J.; Portoles, Tania; Hajslova, J.; Riddellova, K.; Hernandez, Felix (2008)A new method has been developed to detect 36 pesticides that may contaminate tea samples (green, black and fruit tea). The hyphenation of solid-phase microextraction in head-space mode with a comprehensive two-dimensional ... -
Application of liquid chromatography/mass spectrometry in assessment of potential use of azadirachtins (TreeAzin ™ ) against Asian longhorned beetle
Beltrán Iturat, Eduardo; Ibañez Martinez, Maria; GRACIA LOR, EMMA; Sancho, Juan V; Hernandez, Felix; Thompson, D. G. Royal Society of Chemistry (2014-08)Azadirachtins are natural triterpenoid compounds derived from Neem tree extracts with potential for use as systemic insecticides against invasive wood-boring insect pests. In this work, a sensitive and selective analytical ... -
Application of multiple headspace-solid-phase microextraction followed by gas chromatography-mass spectrometry to quantitative analysis of tomato aroma components
Serrano, Elena; Beltran Arandes, Joaquin; Hernandez, Felix Elsevier (2009)The objective of this paper is to investigate the potential of multiple headspace-solid-phase microextraction (MHS-SPME) for the determination of volatile compounds in complex matrix samples. A method based on MHS-SPME for ... -
Application of ultra-high-pressure liquid chromatography-tandem mass spectrometry to the determination of multi-class pesticides in environmental and wastewater samples. Study of matrix effects
Marín Ramos, José Manuel; GRACIA LOR, EMMA; Sancho, Juan V; Lopez, Francisco; Hernandez, Felix Elsevier (2009)An ultra-high-pressure liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for the determination of 37 pesticides (herbicides, insecticides and fungicides) in environmental and wastewater has been developed. ... -
Are preserved coastal water bodies in Spanish Mediterranean basin impacted by human activity? Water quality evaluation using chemical and biological analyses
Celma, Alberto; Gago-Ferrero, Pablo; Golovko, Oksana; Hernandez, Felix; Lai, Foon Yin; Lundqvist, Johan; Menger, Frank; Sancho, Juan V; Wiberg, Karin; Ahrens, Lutz; Bijlsma, Lubertus Elsevier (2022-06-01)The Spanish Mediterranean basin is particularly susceptible to climate change and human activities, making it vulnerable to the influence of anthropogenic contaminants. Therefore, conducting comprehensive and exhaustive ... -
Assessing alcohol consumption through wastewater-based epidemiology: Spain as case study
López-García, Ester; Pérez López, Carlos; Postigo, Cristina; Andreu, Vicente; Bijlsma, Lubertus; González-Mariño, Iria; Hernandez, Felix; Marcé, Rosa María; Montes, Rosa; Picó Gracia, Yolanda; Pocurull, Eva; Rico, Andreu; rodil, rosario; Rosende, María; Valcárcel, Yolanda; ZULOAGA ZUBIETA, OLATZ; Quintana, José Benito; López de Alda, Miren Elsevier (2020-08-19)Background In this study, an alternative and complementary method to those approaches currently used to estimate alcohol consumption by the population is described. This method, known as wastewater-based epidemiology ... -
Assessing geographical differences in illicit drug consumption – A comparison of results from epidemiological and wastewater data in Germany and Switzerland
Been, Frederic; Bijlsma, Lubertus; Benaglia, Lisa; Berset, Jean-Daniel; Botero-Coy, Ana Maria; Castiglioni, Sara; Kraus, Ludwig; Zobel, Frank; Schaub, Michael P.; Bücheli, Alexander; Hernandez, Felix; Delémont, Olivier; Esseiva, Pierre; Ort, Christoph Elsevier (2016-04-01)Background: Wastewater analysis is an innovative approach that allows monitoring illicit drug use at the community level. This study focused on investigating geographical differences in drug consumption by comparing ... -
Atmospheric-Pressure Chemical Ionization Tandem Mass Spectrometry (APGC/MS/MS) an Alternative to High-Resolution Mass Spectrometry (HRGC/HRMS) for the Determination of Dioxins
Van Bavel, Bert; Geng, Dawei; Cherta Cucala, Laura; Nácher Mestre, Jaime; Portoles, Tania; Ábalos, Manuela; Sauló, Jordi; Abad, Esteban; Dunstan, Jody; Jones, Rhys; Kotz, Alexander; Winterhalter, Helmut; Malisch, Rainer; Traag, Wim; Hagberg, Jessika; Beltran Arandes, Joaquin; Hernandez, Felix; Ericscon Jogsten, Ingrid ACS Publications (2015-09-01)The use of a new atmospheric-pressure chemical ionization source for gas chromatography (APGC) coupled with a tandem quadrupole mass spectrometry (MS/MS) system, as an alternative to high-resolution mass spectrometry (HRMS), ... -
Behaviour of emerging contaminants in sewage sludge after anaerobic digestion
Boix Sales, Clara; Ibáñez, Maria; Fabregat-Safont, David; Morales, E.; Pastor, L.; Sancho, Juan V; Sánchez-Ramírez, J. E.; Hernandez, Felix Elsevier (2016)Nowadays, there is an increasing concern over the presence of contaminants in the aquatic environment, where they can be introduced from wastewater after their incomplete removal in the treatment plants. In this work, ... -
Benefits of Ion Mobility Separation in GC-APCI-HRMS Screening: From the Construction of a CCS Library to the Application to Real-World Samples
Izquierdo-Sandoval, David; Fabregat-Safont, David; Lacalle-Bergeron, Leticia; Sancho, Juan V; Hernandez, Felix; Portoles, Tania American Chemical Society (2022-06-28)The performance of gas chromatography (GC) combined with the improved identification properties of ion mobility separation coupled to high-resolution mass spectrometry (IMS-HRMS) is presented as a promising approach for ... -
Bogota River anthropogenic contamination alters microbial communities and promotes spread of antibiotic resistance genes
Posada-Perlaza, Carlos Eduardo; Ramírez-Rojas, Adán; Porras, Paola; Adu-Oppong, Boahemaa; Botero-Coy, Ana Maria; Hernandez, Felix; Anzola, Juan; Díaz, Lorena; Dantas, Gautam; Reyes, Alejandro; Zambrano, Maria Mercedes Nature Research (2019)The increase in antibiotic resistant bacteria has raised global concern regarding the future effectiveness of antibiotics. Human activities that influence microbial communities and environmental resistomes can generate ... -
Building an empirical mass spectra library for screening of organic pollutants by ultra-high-pressure liquid chromatography/hybrid quadrupole time-of-flight mass spectrometry
Hernandez, Felix; Díaz San Pedro, Ramón; Ibáñez, Maria; Sancho, Juan V John Wiley (2011-01-30)Hybrid quadrupole time-of-flight mass spectrometry (QTOF MS) has gained wide acceptance in many fields of chemistry, for example, proteomics, metabolomics and small molecule analysis. This has been due to the numerous ... -
Changes in drug use in European cities during early COVID-19 lockdowns ? A snapshot from wastewater analysis
Been, Frederic; Emke, Erik; Matias, Joao Luis; Baz Lomba, Jose Antonio; Boogaerts, Tim; Castiglioni, Sara; Campos-Mañas, Marina Celia; Celma, Alberto; Covaci, Adrian; de Voogt, Pim; Hernandez, Felix; Kasprzyk-Hordern, Barbara; ter Laak, Thomas; Reid, Malcolm; Salgueiro-González, Noelia; Steenbeek, Ruud; van Nuijs, Alexander; Zuccato, Ettore; Bijlsma, Lubertus Elsevier (2021-03-26)The COVID-19 outbreak has forced countries to introduce severe restrictive measures to contain its spread. In particular, physical distancing and restriction of movement have had important consequences on human behaviour ... -
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 ... -
Characterization of the organic contamination pattern of a hyper-saline ecosystem by rapid screening using gas chromatography coupled to high-resolution time-of-flight mass spectrometry
Serrano, Roque; Hernandez, Felix; Portoles, Tania; Navarro, Juan C.; Varó, Inmaculada; Amat, Francisco; Blanes Fernández, Miguel Ángel Elsevier (2012-09)In this paper, gas chromatography coupled to high-resolution time-of-flight mass spectrometry (GC–TOF MS) has been applied to evaluate organic pollution in a hyper-saline aquatic environment. Firstly, a target screening ...