Search Results - "Valdés, María Eugenia"

Occurrence and bioaccumulation of pharmaceuticals in a fish species inhabiting the Suquía River basin (Córdoba, Argentina) by Valdés, María Eugenia, Amé, María Valeria, Bistoni, María de los Angeles, Wunderlin, Daniel Alberto

“…In South America, there is a lack of data concerning the occurrence and levels of pharmaceuticals in main rivers as well as their negative effects on the…”
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Screening Concentration of E1, E2 and EE2 in Sewage Effluents and Surface Waters of the “Pampas” Region and the “Río de la Plata” Estuary (Argentina) by Valdés, María Eugenia, Marino, Damián José, Wunderlin, Daniel Alberto, Somoza, Gustavo Manuel, Ronco, Alicia Estela, Carriquiriborde, Pedro

“…Concentrations of estrone (E1), 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) were investigated for the first time in sewage effluents and receiving waters…”
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Multiantibiotic residues in commercial fish from Argentina. The presence of mixtures of antibiotics in edible fish, a challenge to health risk assessment by Griboff, Julieta, Carrizo, Juan Cruz, Bonansea, Rocío Inés, Valdés, María Eugenia, Wunderlin, Daniel Alberto, Amé, María Valeria

“…•First simultaneous determination of 46 antibiotics in fish from South America.•Commercially available fish in Argentina presents a wide variety of…”
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Medios, debate público y reforma educativa en México (2013-2014) by María Eugenia Valdés Vega

“…En este artículo se analiza la práctica de exclusión del punto de vista de los maestros de educación básica en el debate público sobre la reforma educativa…”
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POLITICAL COMMUNICATION AND LEGITIMACY IN ANDRÉS MANUEL LÓPEZ OBRADOR GOVERNMENT (2018–2021) by Valdés Vega, María Eugenia

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Presentación del Tema Central del número 57: Reflexiones teórico-metodológicas en la ciencia política by María Eugenia Valdés Vega

“…Presentación del Tema Central…”
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Risk evaluation and prioritization of contaminants of emerging concern and other organic micropollutants in two river basins of central Argentina by Bertrand, Lidwina, Iturburu, Fernando Gastón, Valdés, María Eugenia, Menone, Mirta Luján, Amé, María Valeria

“…A research gap exists in baseline concentrations of organic micropollutants in South American rivers. Identification of areas with different degrees of…”
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Usefulness of a freshwater macrophyte (Potamogeton pusillus) for an environmental risk assessment in a multi-source contaminated basin by Bertrand, Lidwina, Monferrán, Magdalena Victoria, Valdés, María Eugenia, Amé, María Valeria

“…Chemical analysis of pollutants in environmental matrices cannot always offer powerful evidence on their impact and toxicity on the aquatic biota. This paper…”
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Different antibiotic profiles in wild and farmed Chilean salmonids. Which is the main source for antibiotic in fish? by Carrizo, Juan Cruz, Griboff, Julieta, Bonansea, Rocío Inés, Nimptsch, Jorge, Valdés, María Eugenia, Wunderlin, Daniel Alberto, Amé, María Valeria

“…Fish from both aquaculture and wild capture are exposed to veterinary and medicinal antibiotics (ABs). This study explored the occurrence and probable source…”
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Presence of pharmaceutical compounds, levels of biochemical biomarkers in seafood tissues and risk assessment for human health: Results from a case study in North-Western Spain by Martínez-Morcillo, Salomé, Rodríguez-Gil, José Luis, Fernández-Rubio, Javier, Rodríguez-Mozaz, Sara, Míguez-Santiyán, María Prado, Valdes, María Eugenia, Barceló, Damià, Valcárcel, Yolanda

“…This study assessed the presence of 27 pharmaceutically active compounds belonging to common therapeutic groups (cardiovascular, antiashmatic, psychoactive,…”
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Whole-body bioconcentration and biochemical and morphological responses of gills of the neotropical fish Prochilodus lineatus exposed to 2,4-dichlorophenoxyacetic acid or fipronil individually or in a mixture by Portruneli, Natália, Bonansea, Rocío Inés, Valdés, Maria Eugenia, da Silva, Laís Conceição Menezes, Viana, Natália Prudêncio, Goulart, Bianca V., Souza, Iara da Costa, Espíndola, Evaldo Luiz Gaeta, Montagner, Cassiana Carolina, Wunderlin, Daniel Alberto, Fernandes, Marisa Narciso

“…•2,4-dichlorophenoxyacetic acid (2,4-D) and fipronil bioconcentrate in whole body fish.•2,4-D increases catalase and glutathione-S-transferase (GST)…”
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La relación sujeto-objeto en la investigación empírica sobre política by Valdés Vega, María Eugenia

“…Resumen: El objetivo de este artículo es discutir cómo influye la subjetividad del investigador en el análisis de sus objetos de estudio, uno de los más…”
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Comunicación política y legitimidad en el gobierno de Andrés Manuel López Obrador (2018-2021) by Valdés Vega, María Eugenia

“…Resumen El objetivo de esta investigación fue resolver teórica y empíricamente cuál era el origen de que el presidente López Obrador se enfrentara diariamente…”
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Medios, debate público y reforma educativa en México (2013-2014) by Valdés Vega, María Eugenia

“…This article analyses the de facto exclusion of the elementary education teacher’s point of view from the public debate about the education reform driven by…”
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Silvia Gómez Tagle y María Eugenia Valdés (coords.). La geografía del poder y las elecciones en México. México: IFE/Plaza y Valdés, 2000. 316 p by Gómez Tagle, Silvia, Valdés Vega, María Eugenia, Juárez, Alejandro

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Reforma a telecomunicaciones y radiodifusión en México: la perspectiva de la Asociación Mexicana del Derecho a la Información by Valdés Vega, María Eugenia

“…Resumen El artículo describe la participación de uno de los grupos más conspicuos de la sociedad organizada en el país: la Asociación Mexicana del Derecho a la…”
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Comunicación política y propaganda electoral en México. Las reformas de 2007 y 2014 by Valdés Vega, María Eugenia

“…Resumen: El artículo analiza los cambios al marco legal en materia político electoral relacionados con los medios de comunicación masiva. A partir de una…”
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Reforma a telecomunicaciones y radiodifusión en México: la perspectiva de la Asociación Mexicana del Derecho a la Información by Valdés Vega, María Eugenia

“…El artículo describe la participación de uno de los grupos más conspicuos de la sociedad organizada en el país: la Asociación Mexicana del Derecho a la…”
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Is there a dilemma in political related research between the qualitative vs. the quantitative? by María Eugenia Valdés Vega

“…Political related research is a threestage process. Scientists are in charge of an epistemological phase where the object of its study is constructed. During a…”
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Reflexiones teórico-metodológicas en la ciencia política by Valdés Vega, María Eugenia

“…Presentación del número 57…”
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