Browsing Artículos científicos by Subject "PESTICIDES"

Now showing items 1-20 of 31

    • Acute health effects of organophosphorus pesticides on Tanzanian small-scale coffee growers 

      Ngowi, Aiwerasia; Maeda, David; Partanen, Timo; Sanga, Michael (Nature Publishing Group, 2001-07-01)
      A cute health effects of organophosphorus (PP) pesticides on coffee farmworkers in 1991-1992 in Tanzania are reported to provide a basis for concern over farmworkers being overexposed during application. Workers exposed ...

    • Acute, chronic and biochemical effects of chlorothalonil on Agalychnis callidryas, Isthmohyla pseudopuma and Smilisca baudinii tadpoles 

      Méndez, Michael; Obando, Priscilla; Pinnock Branford, Margaret Verónica; Ruepert, Clemens; Castillo, Luisa E.; Mena, Freylan; Alvarado, Gilbert (Springer, 2016-08-05)
      Declines of amphibian populations have been a worldwide issue of concern for the scientific community during the last several decades. Efforts are being carried out to elucidate factors related to this phenomenon. Among ...

    • Agricoh: A consortium of agricultural cohorts 

      Leon, Maria; Beane Freeman, Laura; Douwes, Jeroen; Hoppin, Jane; Kromhout, Hans; Lebailly, Pierre; Christian Nordby, Karl; Schenker, Marc; Schüz, Joachim; Waring, Stephen; Alavanja, Michael; Annesi Maesano, Isabella; Baldi, Isabelle; Aqiel Dalvie, Mohamed; Ferro, Giles; Fervers, Beatris; Langseth, Hilde; London, Leslie; Lynch, Charles; McLaughlin, John; Merchant, James; Pahwa, Punam; Sigsgaard, Torben; Stayner, Leslie; Wesseling, Catharina; Keun-Young, Yoo; Zahm, Sheila; Straif, Kurt; Blair, Aaron (Multidisciplinary Digital Publishing Institute(MDPI), Switzerland., 2011-04-29)
      AGRICOH is a recently formed consortium of agricultural cohort studies involving 22 cohorts from nine countries in five continents: South Africa (1), Canada (3), Costa Rica (2), USA (6), Republic of Korea (1), New Zealand ...

    • Assessment of pesticide exposure in the agricultural population of Costa Rica 

      Monge, Patricia; Partanen, Timo; Wesseling, Catharina; Bravo, Viria; Ruepert, Clemens; Burstyn, Igor (British Occupational Hygiene Society, 2005)
      We describe a model for the retrospective assessment of parental exposure to 26 pesticides, selected by toxicity-based prioritization, in a population-based case–control study of childhood leukaemia in Costa Rica (301 ...

    • Can a mixture of agrochemicals (glyphosate, chlorpyrifos and chlorothalonil) mask the perception of an individual chemical? A hidden trap underlying ecological risk 

      Mena, Freylan; Romero, Adarli; Blasco, Julián; Araújo, Cristiano VM (Elsevier, 2022-01)
      As aquatic environments associated with conventional agriculture are exposed to various pesticides, it is important to identify any possible interactions that modify their effects when in a mixture. We applied avoidance ...

    • Current-use pesticide transport to Costa Rica's high-altitude tropical cloud forest 

      SHUNTHIRASINGHAM, CHUBASHINI; Gouin, Todd; YING D., LEI; Ruepert, Clemens; CASTILLO, LUISA E.; WANIA, FRANK (The Society of Environmental Toxicology and Chemistry (SETAC), 2011-10-12)
      To gain insight into the atmospheric transport and deposition of organic contaminants in high-altitude forests in the humid tropics, pesticides were analyzed in air, water, and soil samples from Costa Rica. Passive samplers ...

    • Determinants of dermal exposure among Nicaraguan subsistence farmers during pesticide applications with backpack sprayers 

      Blanco, Luis; Aragón, Aurora; Lundberg, Ingvar; Lidén, Carola; Wesseling, Catharina; Nise, Gun (British Occupational Hygiene Society, 2005)
      Identification of pesticide exposure determinants has become an issue in explaining exposure variability and improving control measures. Most studies have been conducted in industrialized countries. The aim of this study ...

    • Development of quantitative RNA biomarkers for detecting dioxin-like and estrogenic pollutants in Costa Rican native fish species 

      Navarro-Ortega, Alícia; Mena, Freylan; Casado Belloso, Marta; Pinnock Branford, Margaret Verónica; Cruz Malavassi, Elba de la; Barata, Carlos; Piña, B (Journal of Environmental Biology, 2014-01)
      Monitoring the environmental impact on native species is crucial for the correct management of tropical ecosystems. The Costa Rican fish Parachromis dovii (Cichlidae) and Poecilia gillii (Poecillidae) were used as sentinel ...

    • Ecotoxicological characterization of a tropical soil after diazinon spraying 

      Natal da Luz, Tiago; Moreira-Santos, Matilde; Ruepert, Clemens; Castillo, Luisa E.; Ribeiro, Rui; Sousa, Jose Paulo (Springer, 2012-07-04)
      The impact of diazinon spraying in an agricultural tropical soil through the evaluation of both the habitat and retention functions of the soil system was never reported. To fill this gap, five times the recommended dose ...

    • Evaluation of a battery of toxicity tests for use in the assessment of water quality in a Costa Rican laboratory 

      Castillo, Luisa Eugenia; Pinnock, Margareth; Martínez, Eduardo (Wiley Periodicals, Estados Unidos, 2000)
      The Laboratory for Ecotoxicological Studies (ECOTOX) of IRET evaluated the following toxicity tests: Daphnia magna (daphnia test), Hydra attenuata (hydra test), Allium sp. (onion test), Panagrellus redivivus (nematode ...

    • Exposure to common-use pesticides, manganese, lead, and thyroidfunction among pregnant women from the Infants' EnvironmentalHealth (ISA) study, Costa Rica 

      Corrales-Vargas, Andrea; Peñaloza Castañeda, Jorge; Rietz Liljedahl, Emelie; Rietz Liljedahl, Emelie; Mora, Ana Maria; Menezes-Filho, José Antonio; Smith, Donald R.; Mergler, Donna; Reich, Brian; Giffin, Andrew; Hoppin, Jane; Lindh, Christian; van Wendel de Joode, Berna (Elsevier, 2021-10-28)
      Background:Pesticides and metals may disrupt thyroid function, which is key to fetal brain development.Objectives:To evaluate if current-use pesticide exposures, lead and excess manganese alter free thyroxine (FT4),freet ...

    • Exposure to multiple pesticides and neurobehavioral outcomes among smallholder farmers in Uganda 

      Fuhrimann, Samuel; Farnham, Andrea; Staudacher, Philipp; Atuhaire, Aggrey; Kromhout, Hans; Mora, Ana Maria; Manfioletti, Tiziana; Niwagaba, Charles B.; Namirembe, Sarah; Mugweri, Jonathan; Winkler, Mirko; Portengen, Lutzen (Elsevier, 2021-03-20)
      Background: Multiple epidemiological studies have shown that exposure to single pesticide active ingredients or chemical groups is associated with adverse neurobehavioral outcomes in farmers. In agriculture, exposure to ...

    • Field testing passive air samplers for current use pesticides in a tropical environment 

      Gouin, Todd; Wania, Frank; Ruepert, Clemens; Castillo, Luisa E. (Universidad Nacional, Costa Rica., 2008)
      Air was sampled for one year in the central valley of Costa Rica using an active high-volume sampler as well as passive samplers (PAS) based on polyurethane foam (PUF) disks and XAD-resin filled mesh cylinders. Extracts ...

    • Importación de plaguicidas y peligros en salud en América Central durante el periodo 2005 - 2009 

      Berrocal Montero, Silvia Elena; Ramírez-Muñoz, Fernando; Cruz Malavassi, Elba de la; Bravo Durán, Virya; Canto Mai, Nonato; Tatis Ramírez, Anabel; Mejía Merino, Winston; Rodríguez Altamirano, Teresa (Universidad Nacional, Costa Rica, 2015-07-01)
      Se analizaron datos de importación de plaguicidas agrícolas en América Central, para el quinquenio 2005-2009 para el monitoreo de peligros en salud. La metodología usada ya fue publicada para el análisis del quinquenio ...

    • In situ toxicity and ecological risk assessment of agro-pesticide runoff in the Madre de Dios River in Costa Rica 

      Echeverría-Sáenz, Silvia; Mena, Freylan; Arias-Andrés, María; VARGAS, SEILING; Ruepert, Clemens; van den brink, Paul; Castillo, Luisa E.; Gunnarsson, Jonas (SpringerEuCheMS Division of Chemistry and the Environment, 2016-10-18)
      The River Madre de Dios (RMD) and its lagoon is a biodiversity rich watershed formed by a system of streams, rivers, channels, and a coastal lagoon communicating with the Caribbean Sea. This basin sustains a large area of ...

    • Lower tier toxicity risk assessment of agriculture pesticides detected on the Río Madre de Dios watershed, Costa Rica 

      Arias-Andrés, M.; Rämö, Robert; Mena Torres, F.; Ugalde, R.; Grandas, L.; Ruepert, Clemens; Castillo, L. E.; van den brink, Paul; Gunnarsson, J. S. (Springer, 2016-10-25)
      Costa Rica is a tropical country with one of the highest biodiversity on Earth. It also has an intensive agriculture, and pesticide runoff from banana and pineapple plantations may cause a high toxicity risk to non-target ...

    • Manganese in teeth and neurodevelopment in young Mexican-American children 

      Gunier, Robert; Arora, Manish; jerrett, michael; Bradman, Asa; Harley, Kim; Mora, Ana Maria; Kogut, Katherine; Hubbard, Alan; Austin, Christine; Holland, Nina; Eskenazi, Brenda (Elsevier, 2015-10)
      Introduction: Manganese (Mn) is an essential nutrient but higher exposure has been associated with poorer neurodevelopment in children. Methods: We measured Mn levels in prenatal (Mnpre) (n=197) and postnatal (Mnpost) ...

    • Maternal blood and hair manganese concentrations, fetal growth, and length of gestation in the ISA cohort in Costa Rica 

      Mora, Ana Maria; van Wendel de Joode, Berna; Mergler, Donna; Cordoba, Leonel; Cano, Camilo; Quesada, Rosario; Smith, Donald R.; Menezes-Filho, José; Eskenazi, Brenda (Environmental Research, 2015-01)
      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 ...

    • Maternal residential pesticide use and risk of childhoodleukemia in Costa Rica 

      Hyland, Carly; Gunier, Robert; Metayer, Catherine; Bates, Michael N.; Wesseling, Catharina; Mora, Ana Maria (Wiley-Liss Inc., 2018-04-15)
      Evidence suggests that early-life exposure to pesticides inside the home may be associated with childhood leukemia, howeverdata from Latin American countries are limited. We examined whether self-reported maternal residential ...

    • Mortality among a Cohort of Banana Plantation Workers in Costa Rica 

      Guardado, Jorge; Keifer, Matthew; Wesseling, Catharina; Hoffman, Jonathan (Taylor & Francis, 2006)
      The nematocide 1,2-dibromo-3-chloropropane (DBCP), widely used in Costa Rica during the late 1960s and 1970s, causes sterility in men and is a possible carcinogen. Mortality among a cohort of Costa Rican banana plantation ...