Results 21 to 30 of about 2,716 (152)

Contenido de Cadmio y Plomo en tejido de Hígado y Riñón en el Jote de Cabeza Colorada Cathartes aura (Linneo, 1758) de Chañaral, Desierto de Atacama, Chile [PDF]

open access: yes, 2013
Indexación: Web of Science; ScieloThe Atacama region, Chile, presents one of the highest levels of mining exploitation of the country, which leads to high levels of contamination from mine tailings and other related environmental liabilities.
Abarca, Jorge   +6 more
core   +1 more source

Toward sustainable environmental quality: Identifying priority research questions for Latin America

open access: yesIntegrated Environmental Assessment and Management, Volume 14, Issue 3, Page 344-357, May 2018., 2018
ABSTRACT The Global Horizon Scanning Project (GHSP) is an innovative initiative that aims to identify important global environmental quality research needs. Here we report 20 key research questions from Latin America (LA). Members of the Society of Environmental Toxicology and Chemistry (SETAC) LA and other scientists from LA were asked to submit ...
Tatiana Heid Furley   +18 more
wiley   +1 more source

Aplicaciones y potencialidades de los métodos de diseño computacional en estudios ambientales y farmacocinéticos

open access: yesAnales de la Academia de Ciencias de Cuba, 2021
Introducción: La evaluación de los efectos adversos de los contaminantes sobre los ecosistemas y la predicción de propiedades farmacocinéticas de compuestos, son campos de investigación de gran interés.
Juan Alberto Castillo-Garit   +6 more
doaj  

Exposure to hydrocarbons and chlorpyrifos alters the expression of nuclear receptors and antioxidant, detoxifying, and immune response proteins in the liver of the rainbow trout, Oncorhynchus mykiss

open access: yesEcotoxicology and Environmental Safety, 2021
The development of oil and gas production together with the fruit production in nearby areas of North Patagonia, Argentina, suggests aquatic pollution scenarios which include permanent oil pollution combined with short events of pesticides application ...
Julieta S. De Anna   +5 more
doaj   +1 more source

Bioconcentration and Acute Intoxication of Brazilian Freshwater Fishes by the Methyl Parathion Organophosphate Pesticide

open access: yesBioMed Research International, Volume 2015, Issue 1, 2015., 2015
Three species of freshwater Brazilian fishes (pacu, Piaractus mesopotamicus; piavussu, Leporinus macrocephalus, and curimbatá, Prochilodus lineatus) were exposed to an acute dose of 5 ppm methyl parathion organophosphate pesticide. Three to five individuals per species were exposed, one at a time, to 40 liters tap water spiked with Folidol 600 ...
João Bosco de Salles   +7 more
wiley   +1 more source

In Vivo Inflammatory Effects of Ceria Nanoparticles on CD‐1 Mouse: Evaluation by Hematological, Histological, and TEM Analysis

open access: yesJournal of Immunology Research, Volume 2014, Issue 1, 2014., 2014
The attention on CeO2‐NPs environmental and in vivo effects is due to their presence in diesel exhaust and in diesel filters that release a more water‐soluble form of ceria NPs, as well as to their use for medical applications. In this work, acute and subacute in vivo toxicity assays demonstrate no lethal effect of these NPs. Anyhow, performing in vivo
Anna Poma   +9 more
wiley   +1 more source

Semillas de rabanitos (Raphanus sativus L): observaciones de su morfología bajo microscopía electrónica, germinación y utilidad para estudios de fitotoxicidad.

open access: yesPolibotánica, 2021
Raphanus sativus es una planta importante en la industria de las semillas de todo el mundo especialmente en Asia. El conocimiento actual de su genoma convierte a este organismo en un buen modelo para análisis científicos. R.
Maria Beatris Espinosa
doaj  

Microphytoplankton variations during coral spawning at Los Roques, Southern Caribbean [PDF]

open access: yesPeerJ, 2016
Phytoplankton drives primary productivity in marine pelagic systems. This is also true for the oligotrophic waters in coral reefs, where natural and anthropogenic sources of nutrients can alter pelagic trophic webs.
Francoise Cavada-Blanco   +2 more
doaj   +2 more sources

Ecotoxicological tests with cadmium and chromium using postlarvae of silverside Odontesthes (Austromenidia) regia regia Hildebrand

open access: yesRevista Peruana de Biología, 2014
In the present paper, the mean effective concentrations (EC50%) of cadmium (Cd+2) and chromium (Cr+6) using postlarvae of the silverside fish Odontesthes (Austromenidia) regia regia were determined. The postlarvae were exposed to different concentrations
Giovana Vera   +3 more
doaj   +1 more source

Hematology, Biochemistry and Serum Protein Analyses of Antarctic and non-Antarctic Skuas [PDF]

open access: yes, 2015
Determination of hematological and biochemical parameters provides important data to assess the physiological condition in wild birds. Therefore, to carry out ecophysiology or conservation studies it is essential to establish baseline physiological ...
Ibañez, Andres Esteban   +3 more
core   +2 more sources

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