Browsing Artículos científicos by Title

Now showing items 38-57 of 108

    • Early Toxic Effects in a Central American Native Fish (Parachromis dovii) Exposed to Chlorpyrifos and Difenoconazole 

      Jiménez, Katherine; Solano, Karla; Scholz, Carola; Redondo López, Sergei; Mena, Freylan (Society of Environmental Toxicology and Chemistry, 2021-03-18)
      In Costa Rica, agriculture is one of the most important economic activities. Chlorpyrifos and difenoconazole have been identified as agrochemicals widely used in banana and pineapple crops in the Caribbean area of the ...

    • Early-life exposure to Perfluoroalkyl substances and childhood metabolic function 

      Fleisch, Abby F.; Rifas-Shiman, Sheryl L.; Mora, Ana Maria; Calafat, Antonia M.; Ye, Xiaoyun; Gibson, Heike; Gillman, Matthew W.; Oken, Emily; Sagiv, Sharon (Environmental Health Perspectives, 2017-03-01)
      Background: Perfluoroalkyl substances (PFASs) are synthetic chemicals that may persist in the environment and in humans. There is a possible association between early-life PFAS exposure and metabolic dysfunction in later ...

    • 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 ...

    • Ecotoxicological evaluation of aquaculture and agriculture sediments with biochemical biomarkers and bioassays: antimicrobial potential exposure 

      Arias-Andrés, María; Mena, Freylan; Pinnock Branford, Margaret Verónica (Journal of Environmental Biology, 2014-01)
      Inappropriate practices and lack of regulations regarding antimicrobial use in agricultural production of developing countries increase the risk of exposure to aquatic ecosystems. Sediments may act as sink of antimicrobial ...

    • Effect of the veterinary ionophore monensin on the structure and activity of a tropical soil bacterial community 

      Granados Chinchilla, Fabio; Arias Andrés, María de Jesús; Fernández Montes de Oca, María Laura; Rodríguez, César; Arias Andrés, María de Jesús (Taylor and Francis Inc., 2019-10-07)
      Monensin (MON) is a coccidiostat used as a growth promoter that can reach the environment through fertilization with manure from farm animals. To verify whether field-relevant concentrations of this drug negatively ...

    • Environmental Health Threats to Latino Migrant Farmworkers 

      Castillo, Federico; Mora, Ana M.; Kayser, Georgia L.; Vanos, Jennifer; Hyland, Carly; Yang, Audrey R.; Eskenazi, Brenda (Annual Reviews Inc., 2021-01-04)
      Approximately 75% of farmworkers in the United States are Latino migrants, and about 50% of hired farmworkers do not have authorization to work in the United States. Farmworkers face numerous chemical, physical, and ...

    • Evaluación preliminar del área agrícola y su influencia sobre la calidad del agua en el Golfo Dulce, Costa Rica 

      Fournier, María Luisa; Castillo, Luisa E.; Ramírez-Muñoz, Fernando; Moraga López, Geannina; Ruepert, Clemens (Universidad Nacional, Costa Rica., 2019)
      Se realizó una evaluación preliminar de la agricultura en las subcuencas Esquinas, Coto Colorado, Rincón, Conte, Agujas, Tigre y Palma, como criterio base para el diseño de un plan de seguimiento de la calidad del agua que ...

    • 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 ...

    • Evaluation of two self-administered questionnaires to ascertain dermatitis among metal workers and its relation with exposure to metal working fluids 

      van Wendel de Joode, Berna; Vermeulen, Roel; Heederik, Dick; van Ginkel, Kees; Kromhout, Hans (Blackwell Publishing, Dinamarca., 2007)
      We performed an exploratory study to evaluate 2 self-administered questionnaires assessing hand dermatitis and to investigate a possible exposure-response relation between dermal exposure to semisynthetic metal working ...

    • 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 ...

    • Exposure to obesogenic endocrine disrupting chemicals and obesity among youth of Latino or Hispanic origin in the United States and Latin America: A lifecourse perspective 

      Perng, Wei; Cantoral, Alejandra; Soria Contreras, Diana Cristina; Betanzos, Larissa; Kordas, Katarzyna; Liu, Yun; Mora, Ana Maria; Corvalan, Camila; Pereira, Anita; Cardoso, Marly; Chavarro, Jorge; Breton, Carrie; Meeker, John; Harley, Kim; Eskenazi, Brenda; Peterson, Karen; Téllez Rojo, Martha (Wiley, 2021-02-26)
      Following a 2019 workshop led by the Center for Global Health Studies at the Fogarty International Center on the topic of childhood obesity prevention and research synergies transpiring from cross-border collaborations, ...

    • Fatal occupational injuries in Nicaragua, 2005 

      López Bonilla, Indiana Mercedes; Flores Urbina, Lucía; Partanen, Timo; Wesseling, Catharina (Universidad Nacional Autónoma de Nicaragua, León., 2011)
      We attempt to estimate the rate of fatal occupational injuries (FOI) in Nicaragua for 2005, using 10 incomplete data sources. Based on the 173 identified FOIs, the crude empirical FOI rate estimate was 8.3 per 100,000 ...

    • 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 ...

    • Heat exposure in sugarcane harvesters in Costa Rica 

      Crowe, Jennifer; Wesseling, Catharina; Román Solano, Bryan; Pinto Umaña, Manfred; Robles Ramírez, Andrés; Kjellstrom, Tord; Morales, David; Nilsson, Maria (Wiley Periodicals, 2013)
      Background Occupational heat stress is a major concern in sugarcane production and has been hypothesized as a causal factor of a chronic kidney disease epidemic in Central America. This study described working conditions ...

    • Heat exposure in sugarcane workers in Costa Rica during the non-harvest season 

      Crowe, Jennifer; Moya-Bonilla, José Manuel; Román-Solano, Bryan; Robles-Ramírez, Andrés (Global Health Action, 2010)
      This observational pilot study was carried out at three sugarcane companies in Costa Rica. Its main objective was to determine the potential for heat stress conditions for workers in one sugarcane-growing region in Costa ...

    • Heat-Related Symptoms in Sugarcane Harvesters 

      Crowe, Jennifer; Nilsson, Lena Maria; Kjellstrom, Tord; Wesseling, Catharina (Wiley, 2015-02-26)
      Background: Exposure to heat stress is a documented risk for Central American sugarcane harvesters. However, little is known about heat-related illness in this population. Methods: This study examined the frequency of ...

    • 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 ...

    • Incidence of childhood cancer in Costa Rica, 2000–2014: An international perspective 

      Erdmann, Friederike; Li, Tengfei; Luta, George; Giddings, Brenda M.; Torres Alvarado, Guillermo; Steliarova-Foucher, Eva; Schüz, Joachim; Mora, Ana Maria (Elsevier, 2018-10-18)
      Background: Estimating childhood cancer incidence globally is hampered by a lack of reliable data from lowand middle-income countries. Costa Rica is one of the few middle-income countries (MIC) with a long-term high quality ...