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Now showing items 11-20 of 48
Retos y oportunidades en el uso de modelos de exposición acuática para el registro de plaguicidas de uso agrícola en Costa Rica
(Universidad Nacional, Costa Rica, 2020-02)
Los plaguicidas utilizados en la agricultura pueden entrar en los cuerpos de agua y tener efectos sobre otros organismos en el ambiente. Para evitar efectos negativos sobre los ecosistemas se recomienda que los países ...
Perlidae (Plecoptera) como modelo en estudios ecotoxicológicos: el caso del insecticida Carbaril
(Universidad Nacional, Costa Rica, 2020)
En América Central, el uso de insectos acuáticos nativos en los estudios
ecotoxicológicos ha sido un campo de investigación poco desarrollado, debido a la
escasa información sobre la descripción taxonómica de las ...
Nefropatía mesoamericana: revisión breve basada en el segundo taller del Consorcio para el estudio de la Epidemia de Nefropatía en Centroamérica y México (CENCAM)
(Elsevier, 2016)
Mesoamerican nephropathy (MeN) is a form of endemic chronic kidney disease (CKD) unrelated to diabetes or hypertension and its causes are still undetermined. Clinically, patients
with MeN have no or only mild proteinuria ...
Assessment of pesticide exposure in the agricultural population of Costa Rica
(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 ...
Evaluation of a battery of toxicity tests for use in the assessment of water quality in a Costa Rican laboratory
(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 ...
Agricoh: A consortium of agricultural cohorts
(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 ...
Field testing passive air samplers for current use pesticides in a tropical environment
(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 ...
Mortality among a Cohort of Banana Plantation Workers in Costa Rica
(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 ...
Acute health effects of organophosphorus pesticides on Tanzanian small-scale coffee growers
(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 ...
Use of cholinesterase activity as a biomarker of pesticide exposure used on Costa Rican banana plantations in the native tropical fish Astyanax aeneus (Günther, 1860)
(Journal of Environmental Biology, 2014-01)
In Costa Rica, thousands of tones of agricultural pesticides have been used for decades and their use is continuously increasing due to intensive and expanding production of coffee, pineapple, rice, ornamental plants and ...