Listar por autoría "61defc67-d8d2-4c93-812a-a61699d4adec"
Mostrando ítems 1-11 de 11
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A simple and rapid analytical methodology based on liquid chromatography - tandem mass spectrometry for monitoring pesticide residues in soils from Argentina
Hernandez, Felix; Botero-Coy, Ana Maria; Marín Ramos, José Manuel; Sancho, Juan V; De Gerónimo, Eduardo; Aparicio, Virginia C.; Costa, José Luis Royal Society of Chemistry (2015)Rapid analytical methodology has been developed for multi-residue determination of pesticides in soils using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) with triple quadrupole analyzer. Soil ... -
Analytical strategy based on the use of liquid chromatography and gas chromatography with triple-quadrupole and time-of-flight MS analyzers for investigating organic contaminants in wastewater
Pitarch, Elena; Portoles, Tania; Marín Ramos, José Manuel; Ibáñez, Maria; Albarrán, Fernando; Hernandez, Felix Springer Verlag (2010)The presence of a wide variety of organic pollutants with different physico-chemical characteristics has been investigated in wastewater samples from a municipal solid waste treatment plant placed at Castellón, Spain. An ... -
Analytical study on ethephon residue determination in water by ion-pairing liquid chromatography/tandem mass spectrometry
Ripollés Vidal, Cristina; Marín Ramos, José Manuel; Sancho, Juan V; Lopez, Francisco; Hernandez, Felix Taylor & Francis (2011-11-22)A detailed analytical study on ethephon residue determination in water, making use of ion-pairing liquid chromatography coupled to electrospray tandem mass spectrometry (LC/MS/MS), has been carried out. Ethephon is a plant ... -
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. ... -
Determination of free amino acids in plants by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS)
Dziągwa-Becker, Magdalena M.; Marín Ramos, José Manuel; Topolski, Jakub K.; Oleszekc, Wiesław A. Royal Society of Chemistry (2015)A robust and sensitive method for identification (quantification and confirmation) of 19 free amino acids in the plant matrix, Stellaria media, based on liquid chromatography-electrospray ionization-tandem mass spectrometry ... -
Determination of sub-ppb epichlorohydrin levels in water by on-line solid-phase extraction liquid chromatography/tandem mass spectrometry
Ripollés Vidal, Cristina; Marín Ramos, José Manuel; Lopez, Francisco; Sancho, Juan V; Hernandez, Felix John Wiley (2009-06)A new sensitive and selective method based on on-line solid-phase extraction (SPE) coupled to liquid chromatography/electrospray ionization tandem mass spectrometry (LC/ESI-MS/MS) using a triple quadrupole mass spectrometer ... -
Exploring matrix effects in liquid chromatography–tandem mass spectrometry determination of pesticide residues in tropical fruits
Botero-Coy, Ana Maria; Marín Ramos, José Manuel; Serrano, Roque; Sancho, Juan V (2015-12-17)Tropical fruits are being increasingly consumed around the world because of their appreciated characteristics, particularly their high nutritional value and distinctive taste, which are different from those of traditional ... -
Multi-residue determination of pesticides in tropical fruits using liquid chromatography/tandem mass spectrometry
Botero-Coy, Ana Maria; Marín Ramos, José Manuel; Ibáñez, Maria; Sancho, Juan V; Hernandez, Felix Springer (2012-03)Monitoring pesticide residues in tropical fruits is of great interest for many countries, e.g., from South America, that base an important part of their economy on the exportation of these products. In this work, a LC-MS/MS ... -
Pesticide residues and transformation products in groundwater from a Spanish agricultural region on the Mediterranean Coast
Hernandez, Felix; Marín Ramos, José Manuel; Pozo, Óscar J.; Sancho, Juan V; Lopez, Francisco; Morell, Ignacio Taylor & Francis (2008)An overview is given on the presence and changes over time of pesticide residues in groundwater from the Valencia region, one of the most important citrus cultivation sites of southern Europe. A multiresidue LC-MS/MS ... -
Removal efficiency for emerging contaminants in a WWTP from Madrid (Spain) after secondary and tertiary treatment and environmental impact on the Manzanares River
López, F.J.; Pitarch, Elena; Botero-Coy, Ana Maria; Fabregat-Safont, David; Ibáñez, Maria; Marín Ramos, José Manuel; Peruga Mínguez, Aránzazu; Ontañón, N.; Martínez Morcillo, Salome; Olalla, Adrián; VLCARCEL, YOLANDA; Varó, Inmaculada; Hernandez, Felix Elsevier B.V. (2021-12-22)The effluents from wastewater treatment plants (WWTPs) can be an important contamination source for receiving waters. In this work, a comprehensive study on the impact of a WWTP from Madrid on the aquatic environment has ... -
Simultaneous determination of triazines and their main transformation products in surface and urban wastewater by ultra-high-pressure liquid chromatography- tandem mass spectrometry
Benvenuto, Federica; Marín Ramos, José Manuel; Sancho, Juan V; Canobbio, Sergio; Mezzanotte, Valeria; Hernandez, Felix Springer Verlag (2010)This work describes the optimization, validation and application to real samples of an ultra-high-pressure liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method for the quantification and confirmation of 11 ...