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Accumulation of current-use pesticides, cholinesterase inhibition and reduced body condition in juvenile one-sided livebearer fish (Jenynsia multidentata) from the agricultural Pampa region of Argentina
Brodeur, Celine Marie Julie; Sanchez, Marisol; Castro, Luciana; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Damonte, María Jimena; Poliserpi, María Belén; D'Andrea, María Florencia; Andriulo, Adrian Enrique (2017-10)The aim of this study was to characterize the level and nature of the pesticide contamination received by one-sided livebearer fish (Jenynsia multidentata) from a watercourse situated within the main agricultural region ... -
Accumulation of human pharmaceuticals and biotransformation enzymes in fish from two areas of the lower Rio de la Plata Basin
Rojo, M.; Cristos, Diego Sebastian; González, P.; López-Aca, V.; Dománico, A.; Carriquiriborde, Pedro (Elsevier, 2020-11-15)The accumulation of four human pharmaceuticals active compounds (HPhAC) in the muscle of four fish species of the Rio de la Plata Basin were assessed regarding the compound logP and pKa, and fish trophic levels. For ... -
Analysis of preharvest meteorological conditions in relation to concentration of fumonisins in kernels of two genetically different maize hybrids
Moschini, Ricardo; Borsarelli, M.; Martinez, Malvina Irene; Presello, Daniel Alberto; Ferraguti, Facundo Javier; Cristos, Diego Sebastian; Rojas, Dante Emanuel (Springer, 2020-09-25)The effects of meteorological conditions around silking (Si) and physiological maturity (PM) on production of fumonisins (FB=FB1 + FB2) in maize kernels were analyzed. Kernel FB contents were determined on kernel samples ... -
Combined effects of agrochemical contamination and forest loss on anuran diversity in agroecosystems of east-central Argentina
Suarez, Romina Paula; Cappelletti, Sandra Mailen; Solari, Laura María; Goijman, Andrea Paula; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Krug, Pamela; Babbitt, Kimberly J.; Gavier Pizarro, Gregorio Ignacio (Elsevier, 2020-11)Agricultural expansion and intensification has led globally to a rapid landscape structure change and high agrochemical use resulting in habitat loss and degraded environmental quality. Co-occurrence of landscape change ... -
Comparative impact of two glyphosate-based formulations in interaction with Limnoperna fortunei on freshwater phytoplankton
De Stefano, L.G.; Gattas, F.; Vinocur, Alicia Liliana; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Cataldo, D.; Pizarro, H. (2018-02)Although contamination and invasive species are two of the most relevant anthropogenic drivers affecting ecosystems, their joint impact on the environment has been poorly investigated. Glyphosate, directly or indirectly, ... -
Comprehensive assessment of water quality through different approaches: Physicochemical and ecotoxicological parameters
Peluso, Julieta; Pérez Coll, Cristina S.; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Aronzon, Carolina M. (Elsevier, 2021-08-03)Traditionally, water quality was assessed by physicochemical parameters. However, a more comprehensive analysis is needed to study the effects of polluted water bodies on key species over time. So, the aim of this study ... -
Concentration of current-use pesticides in frogs from the Pampa region and correlation of a mixture toxicity index with biological effects
Brodeur, Julie Céline; Damonte, María Jimena; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Vargas, Claudia; Poliserpi, Maria Belen; Andriulo, Adrian Enrique (Elsevier, 2021-11)Contamination with current-use pesticides is frequently mentioned as a key factor in global amphibian declines although a limited number of studies have examined the mixture of pesticides accumulated by free-living frogs. ... -
Cuantificación de plaguicidas residuales en granos de maíz (Zea mays L.) aplicando técnicas de evaluación residual
Rojas, Dante Emanuel; Messina, Valeria Marisa; Sancho, Ana Maria; Pesquera, Natalia; Cristos, Diego Sebastian; Galicio, Mariana; Ricca, Alejandra Patricia (Asociación Revista Venezolana de Ciencia y Tecnología de Alimentos, 2014-06)El empleo de plaguicidas en la producción agrícola ha tomado marcada importancia para muchos sectores de la sociedad. Los productores agropecuarios necesitan realizar un tratamiento fitoterapeútico efectivo y la utilización ... -
Efecto de diferentes tiempos de contacto con agua electroactivada sobre la reducción de contaminantes químicos y biológicos en lechuga
Cap, Mariana; Rojas, Dante Emanuel; Fernandez, Mariano; Fulco, Micaela; Rodriguez, Anabel; Soteras, Trinidad; Cristos, Diego Sebastian; Mozgovoj, Marina Valeria (Asociación Argentina de Microbiología, 2019-09)En la Argentina, el consumo per cápita de lechuga es de 19 kilos por año y es considerada como la verdura de hoja más importante dentro del grupo de hortalizas. Sin embargo, el consumo de lechuga fresca puede representar ... -
Efectos de aflatoxinas en la calidad de carnes del Pacu (Piaractus mesopotamicus)
Cristos, Diego Sebastian; Pesquero, Natalia; Rojas, Dante Emanuel; Carriquiriborde, Pedro (Asociación Argentina de Tecnólogos Alimentarios, 2019-11)La producción pesquera mundial alcanzó un máximo de aproximadamente 171 millones de toneladas en 2016, de las cuales la acuicultura representó un 53% del total destinado a consumo (FAO, 2018). Estudios realizados en los ... -
Effectiveness of short exposure times to electrolyzed water in reducing Salmonella spp and Imidacloprid in lettuce
Cap, Mariana; Rojas, Dante Emanuel; Fernandez, Mariano Manuel; Fulco, Micaela; Rodriguez, Anabel; Soteras, Trinidad; Cristos, Diego Sebastian; Mozgovoj, Marina Valeria (Elsevier, 2020-04-24)EW has been proposed as a sanitization method for home use to reduce chemical and biological hazards in fresh products. Most studies have evaluated exposure times of 1–10 min which may be too long for processing fresh ... -
Effects of 17α-ethinylestradiol on sex ratio, gonadal histology and perianal hyperpigmentation of Cnesterodon decemmaculatus (Pisces, Poeciliidae) during a full-lifecycle exposure
Young, Brian Jonathan; Cristos, Diego Sebastian; Crespo, Diana Cristina; Somoza, Gustavo Manuel; Carriquiriborde, Pedro (Elsevier, 2020-08-11)The effects of 17α-ethinylestradiol (EE2) on sex ratio, gonopodium morphology, and gonadal histology of C. decemmaculatus were assessed by a full-lifecycle exposure experiment. Newborn fish were waterborne exposed to 30, ... -
Effects of glyphosate and 2,4-D mixture on freshwater phytoplankton and periphyton communities: a microcosms approach
Lozano, V.L.; Vinocur, Alicia Liliana; Sabio y García, Carmen Alejandra; Allende, L.; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Wolansky, Marcelo Javier; Pizarro, H. (2018-02)Glyphosate (G) and 2,4-D herbicides are massively applied in agriculture worldwide and the use of their mixture is currently a very common practice. We carried out two experiments using microcosms under laboratory conditions ... -
Effects of sowing date, nitrogen fertilization, and Fusarium graminearum in an Argentinean bread wheat: Integrated analysis of disease parameters, mycotoxin contamination, grain quality, and seed deterioration
Arata, Gonzalo Joaquin; Martínez, Mauro; Elguezábal, Constanza; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Dinolfo, María Inés; Arata, Agustin Francisco (Elsevier, 2022)Bread wheat is one of the main crops cultivated worldwide that can be affected by fungal diseases as Fusarium head blight. The aim of this work was to analyze the effect of sowing date and nitrogen fertilization on the F. ... -
Fungal screening and aflatoxin production by Aspergillus section Flavi isolated from pre-harvest maize ears grown in two Argentine regions
Camiletti, Boris Xavier; Torrico Ramallo, Ada Karina; Maurino, Maria Fernanda; Cristos, Diego Sebastian; Magnoli, Carina; Lucini, Enrique Iván; Gimenez Pecci, Maria De La Paz (Elsevier, 2017-02)Aflatoxin contamination in maize kernels grown in central Argentina has increased since 2008. Pre-harvest maize ear samples were collected during two growing seasons to determine prevalent fungal genera as well as aflatoxin ... -
Fusarium species and mycotoxin contamination in maize in Buenos Aires province, Argentina
Castañares, Eliana; Martínez, Mauro; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Lara, Bruno; Stenglein, Sebastian Alberto; Dinolfo, María I. (Springer, 2019-10-28)Maize is one of the most important crops in Argentina. This crop can be affected by the presence of different Fusarium species, causing two distinct diseases known as Fusarium ear rot and Gibberella ear rot. In this study, ... -
Imidacloprid seed coating poses a risk of acute toxicity to small farmland birds: A weight-of-evidence analysis using data from the grayish baywing Agelaioides badius
Poliserpi, Maria Belen; Cristos, Diego Sebastian; Brodeur, Celine Marie (Elsevier, 2020-10)The aim of this study was to estimate the risk posed by imidacloprid (IMI) seed coating to passerine birds of the Pampa Region of Argentina using data specifically generated with the grayish baywing (Agelaioides badius). ... -
In vitro antifungal activity of Peltophorum dubium (Spreg.) Taub. extracts against Aspergillus flavus.
Di Ciaccio, Lucía Soledad; Catalano, Alejandro V.; López, Paula G.; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Fortunato, Renee Hersilia; Salvat, Adriana Elisabeth (MDPI, 2020-04-02)Aspergillus flavus is a filamentous, saprophytic fungus, whose colonization occurs mainly in cereal grains and oilseeds once arvested. Under certain conditions, it could produce mycotoxins called aflatoxins, known as ... -
Integrated analysis of the quality of water bodies from the lower Paraná River basin with different productive uses by physicochemical and biological indicators
Peluso, Julieta; Aronzon, Carolina Mariel; Ríos de Molina, María del Carmen; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Pérez Coll, Cristina Silvia (Elsevier, 2020-03-20)The Paraná River basin is one of the most important in South America and is affected by human activities that take place on its margins. In particular, the De la Cruz stream flows through an industrial pole and the Arrecifes ... -
Interacción entre festuca alta infectada con endófito y Lotus tenuis bajo dos frecuencias de defoliación
Petigrosso, Lucas R.; Assuero, Silvia Graciela; Vignolio, Osvaldo; Romano, Y.; Colabelli, Mabel Noemí; Salvat, Adriana Elisabeth; Cristos, Diego Sebastian (2018-04)La toxicidad de festuca alta infectada con endófito asexual Epichloë coenophiala, puede ser atenuada cuando se la siembra en mezcla con leguminosas. El objetivo de este trabajo fue simular el establecimiento de pasturas ...