Browsing Artículos científicos by Subject "TOXICOLOGY"
Now showing items 1-6 of 6
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Biomarkers of manganese exposure in pregnant women and children living in an agricultural community in California
(American Chemical Society, 2014)Manganese (Mn) is an essential nutrient but at high exposure levels is a neurotoxicant. There is no wellvalidated biomarker to assess perinatal Mn exposure. A total of 75 mother-child pairs provided blood, urine, and/or ... -
Blood and hair manganese concentrations in pregnant women from the infants' environmental health study (ISA) in Costa Rica
(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 ... -
Early-life exposure to Perfluoroalkyl substances and childhood metabolic function
(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 ... -
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 ... -
In situ toxicity and ecological risk assessment of agro-pesticide runoff in the Madre de Dios River in Costa Rica
(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 ... -
Risk assessment of agriculture impact on the Frío River watershed and Caño Negro Ramsar wetland, Costa Rica
(Springer, 2017-01-10)The Caño Negro Ramsar wetland is a conservation area of great natural and societal value, located in the lower part of the Frío River watershed in the north of Costa Rica. Its aquatic ecosystems may be considered vulnerable ...