Browsing Instituto Regional de Estudios en Sustancias Tóxicas by Author "Córdoba, Leonel"
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Aerial application of mancozeb and urinary ethylene thiourea (ETU) concentrations among pregnant women in Costa Rica: the Infants' Environmental Health Study (ISA).
van Wendel de Joode, Berna; Mora, Ana María; Córdoba, Leonel; Cano, Camilo; Quesada, Rosario; Faniband, Moosa; Wesseling, Catharina; Ruepert, Clemens; Oberg, Mathias; Eskenazi, Brenda; Mergler, Donna; Lindh, Christian (Research: Children´s health, 2014-12)Background: Mancozeb and its main metabolite ethylene thiourea (ETU) may alter thyroid function; thyroid hormones are essential for fetal brain development. In Costa Rica, mancozeb is aerially sprayed at large-scale ... -
Blood and hair manganese concentrations in pregnant women from the infants' environmental health study (ISA) in Costa Rica
Mora, Ana María; van Wendel de Joode, Berna; Mergler, Donna; Córdoba, Leonel; Cano, Camilo; Quesada, Rosario; Smith, Donald R; Lindh, Christian H; Bradman, Asa; Eskenazi, Brenda; Menezes-Filho, José A.; Lundh, Thomas (American Chemical Society, 2014-03)Manganese (Mn), an essential nutrient, is a neurotoxicant at high concentrations. We measured Mn concentrations in repeated blood and hair samples collected from 449 pregnant women living near banana plantations with ... -
Condiciones del suelo y poblaciones de nematodos en cinco parcelas demostrativas en las comunidades de Shiroles y Paraíso, Talamanca
Díaz, Melvin; Peraza-Padilla, Walter; Córdoba, Leonel; van Wendel de Joode, Berna (Universidad Nacional, Costa Rica, 2011-05)Elabora una lista de los agroquímicos más usados en la producción de plátano convencional. Para cada uno se planteó una alternativa, tanto con el uso de prácticas culturales como con algunos insumos orgánicos existentes ... -
Manganese concentrations in drinking water from villages near banana plantations with aerial mancozeb spraying in Costa Rica: Results from the Infants' Environmental Health Study (ISA)
van Wendel de Joode, Berna; Barbeau, Benoit; Bouchard, Maryse; Mora, Ana María; Skytt, Asa; Córdoba, Leonel; Quesada, Rosario; Lundh, Thomas; Lindh, Christian; Mergler, Donna (Elsevier, 2016-03)Elevated manganese (Mn) in drinking water has been reported worldwide. While, naturally occurring Mn in groundwater is generally the major source, anthropogenic contamination by Mn-containing fungicides such as mancozeb ... -
Maternal blood and hair manganese concentrations, fetal growth, and length of gestation in the ISA cohort in Costa Rica
Mora, Ana María; van Wendel de Joode, Berna; Mergler, Donna; Córdoba, Leonel; Cano, Camilo; Quesada, Rosario; Smith, Donald R; Menezes-Filho, José A.; Eskenazi, Brenda (Elsevier, 2015)Background: Animal studies have shown that both deficiency and excess manganese (Mn) may result in decreased fetal size and weight, but human studies have reported inconsistent results. Methods: We examined the association ... -
Nematology in Central American countries, a general overview of the present situation
Chaverri Fonseca, Fabio; Bravo, Virya; Ramírez, Fernando; Berrocal, Silvia; Orozco, Martha; Córdoba, Leonel (50TH ANNUAL MEETING OF NEMATOLOGIST OF TROPICAL AMERICA (ONTA 2018), 2018-08)Pesticide use in Central American agriculture has been promoted as an important tool for development since decades, despite in many cases being a hazardous technology for human health and the environment. At the same time ... -
Pesticide exposure and neurodevelopment in children age 6-9 years from Talamanca, Costa Rica.
van Wendel de Joode, Berna; Mora, Ana María; Lindh, Christian; Hernández Bonilla, David; Córdoba, Leonel; Wesseling, Catharina; Hoppin, Jane; Mergler, Donna (Elsevier Ltd, 2016-09-05)Certain pesticides may affect children's neurodevelopment. We assessed whether pesticide exposure was associated with impaired neurobehavioral outcomes in children aged 6e9 years. We conducted a cross-sectional study ...