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Bulletin of Environmental Contamination and Toxicology

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  1. 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...
  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. Effects of lead pollution from vehicular exhaust fumes against sentinel juvenile Achatina achatina.

    Bulletin of Environmental Contamination and Tox... 81(5):513 (2008) PMID 18784896

    We investigated lead metal pollution induced by traffic fumes along roads with differing traffic intensity near abandoned battery factory (Niger Delta, Nigeria). Juvenile Achatina achatina were positioned as sentinels in plastic snaileries 2 m on road sides. Lead contamination in snail tissue by...
  4. 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...
  5. Influence of elevated carbon dioxide and ozone on the foliar nonvolatile terpenoids in ginkgo biloba.

    Bulletin of Environmental Contamination and Tox... 81(5):432 (2008) PMID 18626560

    The aim of this study was to determine the effects of elevated O(3) and elevated CO(2,) singly and in combination, on the contents of nonvolatile terpenoids in leaves of Ginkgo Biloba. The results showed that elevated CO(2), alone and in combination with elevated O(3) increased concentrations of...
  6. Effects of dietary benzo[a]pyrene on growth and hematological parameters in juvenile rockfish, Sebastes schlegeli (Hilgendorf).

    Bulletin of Environmental Contamination and Tox... 81(5):470 (2008) PMID 18677433

    Experiments were conducted to evaluate the effect of dietary benzo[a]pyrene (B[a]P) on the growth and hematological parameters of rockfish, Sebastes schlegeli, after they were fed with subchronic dietary B[a]P for 30 days. The weight growth rate of the rockfish was significantly different from t...
  7. 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...
  8. 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...
  9. Effect of long-term stress of high Pb/Zn levels on genomic variation of Sedum alfredii Hance.

    Bulletin of Environmental Contamination and Tox... 81(5):445 (2008) PMID 18777154

    In this study, the heavy metal contents were detected in plants of Sedum alfredii and soils from Pb/Zn mined area and non-mined area, and a dendrogram was generated by using RAPD methods based on the hyperaccumulating ecotype (HE), the non-hyperaccumulating ecotype (NHE) and other species of Sed...
  10. 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...