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Mostrando ítems 1-10 de 2041
Determinação da toxicidade do selênio por meio de análises hematológicas em Oreochromis niloticus
(2012-04-04)
Selenium (Se) is described as an essential micronutrient and participates in different biological functions, as the antioxidant defense systems maintenance and regulation. However, when in high concentrations, Se may cause ...
Acute and subacute (28 days) oral toxicity assessment of the oil extracted from Acrocomia aculeata pulp in rats
(Elsevier B.V., 2014-12-01)
Acrocomia aculeata, popularly known as "bocaitiva", is a species used for nutritional purposes and for the treatment of various diseases, as it has, among other things, high levels of antioxidant compounds. This ...
Toxicity of organophosphorus pesticides to the stingless bees Scaptotrigona bipunctata and Tetragonisca fiebrigi
(Springer, 2017-09-01)
This study estimated the toxicity of the insecticides chlorpyrifos and phosmet to the stingless bees Scaptotrigona bipunctata and Tetragonisca fiebrigi. The results showed significant differences in susceptibility between ...
Determination of leachate toxicity through acute toxicity using Daphnia pulex and anaerobic toxicity assays
(Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ingeniería, 2017-01-01)
The municipal solid waste (MSW) of large cities, in particular in developing countries, is mainly disposed of in landfills (LFs), whose inadequate management generates the emission of greenhouse gases and the production ...
Toxicity of three emerging contaminants to non-target marine organisms
(2019-06-01)
Coastal areas are continually impacted by anthropic activities because they shelter large urban conglomerates. Urban effluents directly or indirectly end up reaching the marine environment, releasing a large number of ...
Microscale Toxicity Identification Evaluation (TIE) for interstitial water of estuarine sediments affected by multiple sources of pollution
(2022-02-01)
Estuaries in the world are affected by different contamination sources related to urbanisation and port/industrial activities. Identifying the substances responsible for the environmental toxicity in estuaries is challenging ...
Decolorization and removal of toxicity of textile azo dyes using fungal biomass pelletized
(2018-05-21)
Abstract: Industrialization and other human impacts have placed increasing pressure on aquatic environments, with the generation of large quantities of toxic aqueous effluents containing different substances, such as ...
Acid Blue 161: Decolorization and Toxicity Analysis After Microbiological Treatment
(2016-12-01)
Concern for the incorrect disposal of potentially toxic substances in aquatic environments is growing due to adverse effects caused to the organisms exposed to them. Synthetic azo dyes are part of this group of substances, ...