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Bulletin of Environmental Contamination and Toxicology

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  1. Impact of sugar factory effluent on the growth and biochemical characteristics of terrestrial and aquatic plants.

    Bulletin of Environmental Contamination and Tox... 81(5):449 (2008) PMID 18784897

    The physico-chemical characteristics of sugar industry effluent were measured and some were found to be above those limits permissible in the Indian irrigation water standard. A pot study was initially conducted to study the effects of different concentrations (20%, 40%, 60%, 80% and 100%) of su...
  2. Acute toxicity of atrazine, endosulfan sulphate and chlorpyrifos to Vibrio fischeri, Thamnocephalus platyurus and Daphnia magna, relative to their concentrations in surface waters from the Alentejo region of Portugal.

    Bulletin of Environmental Contamination and Tox... 81(5):485 (2008) PMID 18777155

    Ecotoxicological effects of the herbicide atrazine and the insecticides endosulfan sulphate and chlorpyrifos were evaluated using a test battery comprising aquatic organisms from different trophic levels. According to the categories established in the EU legislation, atrazine can be considered n...
  3. Antioxidant defenses of mycorrhizal fungus infection against SO(2)-induced oxidative stress in Avena nuda seedlings.

    Bulletin of Environmental Contamination and Tox... 81(5):440 (2008) PMID 18777153

    Colonization of arbuscular mycorrhizal fungi Glomus mosseae increased Avena nuda seedling tolerance to SO(2) exposure, as indicated by elevated total plant biomass and ameliorative photosynthetic rate, when compared to the non-mycorrhizal plants. This is associated with an improved antioxidant c...
  4. Effects of subchronic exposure to LASSO MTX (alachlor 42% W/V) on hematological indices and histology of the common Carp, Cyprinus carpio L.

    Bulletin of Environmental Contamination and Tox... 81(5):475 (2008) PMID 18654729

    The aim of the study was to evaluate subchronic toxic effects of the preparation LASSO MTX (alachlor 42% W/V) on hematological indices and histology of the common carp (Cyprinus carpio L.). In carp exposed for 28 days to LASSO MTX in the concentration of 2,400 microg L(-1), significant differenc...
  5. Development and sensitivity of a 12-h laboratory test with Daphnia magna Straus based on avoidance of pulp mill effluents.

    Bulletin of Environmental Contamination and Tox... 81(5):464 (2008) PMID 18779915

    Studies on avoidance of contaminants by aquatic organisms verified that such behavior may have crucial ecological implications. Yet, avoidance tests have not been considered in ecological risk assessments. This study aimed at developing a short-term test with Daphnia magna Straus based on avoida...
  6. A QSAR model for predicting mutagenicity of nitronaphthalenes and methylnitronaphthalenes.

    Bulletin of Environmental Contamination and Tox... 81(5):498 (2008) PMID 18777149

    A quantitative structure-activity relationship model for prediction of mutagenicity of nitronaphthalenes and methylnitronaphthalenes was developed using some fundamental quantum chemical descriptors. The cumulative cross-validated regression coefficient value for the optimal quantitative structu...
  7. Assessment of biochemical markers of carbofuran toxicity and recovery response in tissues of the freshwater teleost, Clarias batrachus (Linn).

    Bulletin of Environmental Contamination and Tox... 81(5):480 (2008) PMID 18777120

    The effects of a sublethal concentration (7.66 mg/L) of carbofuran, were assessed on Clarias batrachus. The fish were exposed to 7.66 mg of carbofuran/L for 6 days. After 6 days, fish were released into carbofuran-free water in order to study the recovery pattern. Proteins were decreased in gill...
  8. Reduction in rat oocyte fertilizability mediated by S-(1, 2-dichlorovinyl)-L-cysteine: a trichloroethylene metabolite produced by the glutathione conjugation pathway.

    Bulletin of Environmental Contamination and Tox... 81(5):490 (2008) PMID 18679558

    Trichloroethylene (TCE), a commonly used industrial degreasing solvent and environmental toxicant, reduces rat oocyte fertilizability by an incompletely understood mechanism. Previous evidence implicated cytochrome P450 dependent oxidation of TCE. The current study investigated a second pathway,...
  9. Adsorption properties and gaseous mercury transformation rate of natural biofilm.

    Bulletin of Environmental Contamination and Tox... 81(5):516 (2008) PMID 18773132

    Biofilms were developed on glass microscope slides in a natural aquatic environment and their mercury adsorption properties were evaluated. Results demonstrated that the biofilms contained a large number of bacterial cells and associated extracellular polymers. Mercury forms detected in the biof...
  10. Growth and antioxidant system of Escherichia coli in response to microcystin-RR.

    Bulletin of Environmental Contamination and Tox... 81(5):427 (2008) PMID 18714425

    Microcystins are a kind of cyclic hepatoxins produced by many species of cyanobacteria. The toxic effects of microcystins on animals and plants have been well studied. However, the reports about the effects of microcystins on microbial cells are very limited. In present paper, Escherichia coli w...