Toxicity tests
Water Quality Assessment in Piracicamirim Creek Upstream and Downstream a Sugar and Ethanol Industry Through Toxicity Tests With Cladocerans
... Toxicity tests with C.dubia and C. silvestrii To maintain the growth of C. dubia and C silvestrii ABNT (2005) protocols were followed. Organisms were kept in the glass bottles containing 500 mL MS medium ...
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Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests
... ABSTRACT. Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests. Organophosphate compounds are used in agro-systems, and in ...
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On the possibility of using biological toxicity tests to monitor the work of wastewater treatment plants
... biological toxicity tests to monitor influent and effluent wastewaters of wastewater treatment ...these tests is used to prevent toxic pollutants from entering wastewater treatment plants and ...
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Biosolid soil application: Toxicity tests under laboratory conditions
... Preliminary histological analysis of the midgut of diplopods, exposed for 7 and 30 days to the SB sample, according to sewage sludge disposal for Brazilian law may help clarify the mecha[r] ...
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Use of the Burrowing Amphipod Tiburonella viscana as a Tool in Marine Sediments Contamination Assessment
... The purpose of this research was to study some aspects of the use of toxicity tests with T. viscana in the evaluation of the quality of marine sediments. This study was designed in order to obtain initial ...
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Acute toxicity of trichlorofon on four viviparous fish: Poecilia latipinna, Poecilia reticulata, Gambusia holbrooki and Xiphophorus helleri (Cyprinodontiformes: Poecilidae)
... N o fish died during the acclimation period before exposure and also no control fish died during acute toxicity tests. T he mortality of sailfin molly, guppy, eastern mosquitofish and red swordtail was ...
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Study of the toxic effects of flame retardant PBDE-47 on the clam Chamelea gallina (Linnaeus, 1758)
... C w = concentration of contaminant (ng/L) in water. The C o value can be expressed on a wet-weight, dry- weight and lipid basis, giving rise to three factors (BCF W , BCF L and BCF D ) which can difer considerably in ...
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RAS system and ecotoxicology
... The ecotoxicology research laboratory at AquaBioTech Group applies well-known techniques to test hazardous substances that are or may be released into the environment. Governmental regulations such as REACH ...
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Tests of chronic and acute toxicity of crude oil on larvae of Chironomus kiiensis Tokunaga (Diptera: Chironomidae)
... Acute toxicity test - determination of LC5048H For the experiment to determine the LC50 48H each ovigerous mass, after being removed from the colony, was placed in a plastic tray containing 1 L of well water and ...
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en 1678 4464 csp 33 s3 e00132415
... inhalation toxicity tests (Table 2) is obviously insufficient to disclose long-term carcinogenic effects of tobacco mainstream ...two-year toxicity and carcinogenicity studies with rodents remain the ...
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MATERIALS AND METHODS Sampling and Soil characteristics
... Acute toxicity tests with Daphnia similis were applied for examination of the efficiency of the processes in terms of the generation of less toxic ...
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MSc Mariana Dissertação Final
... all toxicity estimates by ranking the EC50 and EC20 values in accordance with five classes of toxicity commonly used in ...ostracod toxicity tests, and Pz2 also with the insect larvae ...
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Microtox Toxicity Assay for the Sediment Quality Assessment of Ganga River
... on toxicity and ecotoxicity and allow incorporation of toxicity parameters in the regulatory framework [1] .... Toxicity tests are desirable in water pollution evaluations because chemical and ...
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Eng. Sanit. Ambient. vol.16 número3
... This study evaluated the glucose effect on the removal of methyl parathion by Aspergillus niger AN400. The study was conducted in two stages: toxicity tests on plates and assays in flasks, under an ...
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Titanium dioxide nanoparticles increase sensitivity in the next generation of the water flea Daphnia magna.
... acute toxicity tests for the standard test organism Daphnia magna, we found that juvenile offspring of adults that were previously exposed to titanium dioxide nanoparticles exhibit a significantly increased ...
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Universidade Federal de São Carlos Centro de Ciências Biológicas e da Saúde Programa de Pós-Graduação em Ecologia e Recursos Naturais Emanuela Cristina de Freitas
... aquatic toxicity studies from tropical ...chronic toxicity tests) (Freitas and Rocha, 2011a, 2011b, 2011c, 2012), besides having a wide geographical distribution in the tropical and subtropical ...
219
Rev. bras. farmacogn. vol.25 número2
... subacute toxicity tests, (2) on prelimi- nary studies carried out in our laboratory and (3) to analyze the antinociceptive activity of HPE (50–200 mg/kg) compared to NPX (100 ...
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Toxicity of clove essential oil and its ester eugenyl acetate against Artemia salina
... Toxicity test was carried out using the methodology described by Meyer et al. (1982) with some modifications. The cysts of Artemia salina were placed in a plastic container with artificial saline solution (23 g of ...
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Spatio-temporal distribution of inhalable and respirable particulate matter in rural atmosphere of Nigeria
... the toxicity potential from inhalable fraction for both wet and dry ...The toxicity potential ranged from ...The toxicity potential for inhalable fraction was higher than the toxicity ...
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Toxic-selenium and low-selenium transcriptomes in Caenorhabditis elegans: toxic selenium up-regulates oxidoreductase and down-regulates cuticle-associated genes.
... general toxicity response as ...general toxicity and calorie restriction was used to make the gene set more Se-specific, but the variety of enriched biological processes suggests that a number of the ...
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