Bulletin of Environmental Contamination and Toxicology

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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  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...
  11. The tropical brown alga Lobophora variegata (Lamouroux) Womersley: a prospective bioindicator for Ag contamination in tropical coastal waters.

    Bulletin of Environmental Contamination and Tox... 81(5):455 (2008) PMID 18766289

    Uptake and depuration kinetics of dissolved silver were determined in the brown alga Lobophora variegata, using radiotracer techniques. Results indicate that this widely distributed alga could be a useful bioindicator species for surveying silver contamination in tropical environments. Indeed, r...
  12. Assessment of matrix effects on methyl benzoate, a potential biomarker for detection of outgassed semi-volatiles from mold in indoor building materials.

    Bulletin of Environmental Contamination and Tox... 81(5):494 (2008) PMID 18777146

    Methyl benzoate - as a biomarker for mold growth - was used as a specific target compound to indicate outgassed MVOC products from mold. Both real and surrogate samples were analyzed from a variety of matrices including: carpet, ceiling tiles, dried paint surfaces, wallboard and wallboard paper....
  13. Indicator microorganisms and pathogens removal function performed by copepods in constructed wetlands.

    Bulletin of Environmental Contamination and Tox... 81(5):459 (2008) PMID 18777152

    Removal efficiency of indicator and pathogenic microorganisms in constructed wetlands were analyzed, and microorganisms removal function performed by copepods was determined. The results showed that the constructed wetlands effectively reduced Escherichia coli, fecal streptococci, total coliform...
  14. Level of certain micro and macro minerals in blood of cattle from fluoride polluted localities of Udaipur, India.

    Bulletin of Environmental Contamination and Tox... 81(5):503 (2008) PMID 18587513

    Analysis of soil, fodder and water samples collected from some localities of Udaipur district, Rajasthan, India revealed high fluoride concentrations indicating the areas endemic for fluoride pollution. Concentration of micro and macro minerals was estimated in blood samples collected from cattl...
  15. Effects of elevated CO(2) and O(3) on phenolic compounds in spring wheat and maize leaves.

    Bulletin of Environmental Contamination and Tox... 81(5):436 (2008) PMID 18781273

    C(3) crops are generally considered more sensitive than C(4) crops to the elevated CO(2) and O(3), but it is unclear whether the concentrations of phenolic compounds in them are affected. In this paper, an enrichment experiment with open-top chamber was conducted to examine the effects of elevat...
  16. 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...
  17. Adsorption sequence of toxic inorganic anions on a soil.

    Bulletin of Environmental Contamination and Tox... 81(5):508 (2008) PMID 18663398

    The adsorption of six anions (arsenate(As(V)), chromate(Cr(VI)), fluoride(F(-I)), molybdate(Mo(VI)), selenate(Se(VI)), and selenite(Se(IV))) on an andosol and the concomitant H(+) consumptions together with the sorption were investigated to understand the behaviors of toxic inorganic anions in e...
  18. 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...
  19. 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...
  20. 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...