Helena Guasch

Summary

Affiliation: University of Girona
Country: Spain

Publications

  1. ncbi request reprint Contrasting effects of organic and inorganic toxicants on freshwater periphyton
    Helena Guasch
    Department of Environmental Sciences, Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Aquat Toxicol 64:165-75. 2003
  2. doi request reprint Antioxidant enzyme activities as biomarkers of Zn pollution in fluvial biofilms
    Berta Bonet
    Department of Environmental Sciences, Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Ecotoxicol Environ Saf 80:172-8. 2012
  3. doi request reprint Light history modulates antioxidant and photosynthetic responses of biofilms to both natural (light) and chemical (herbicides) stressors
    Chloé Bonnineau
    Institute of Aquatic Ecology, Facultat de Ciencies, Universitat de Girona, Girona, Spain
    Ecotoxicology 21:1208-24. 2012
  4. doi request reprint Triclosan persistence through wastewater treatment plants and its potential toxic effects on river biofilms
    Marta Ricart
    Catalan Institute for Water Research, University of Girona, Spain
    Aquat Toxicol 100:346-53. 2010
  5. doi request reprint Fluvial biofilms: A pertinent tool to assess beta-blockers toxicity
    Chloé Bonnineau
    Institute of Aquatic Ecology, University of Girona, Spain
    Aquat Toxicol 96:225-33. 2010
  6. doi request reprint Catalase in fluvial biofilms: a comparison between different extraction methods and example of application in a metal-polluted river
    Chloé Bonnineau
    Faculty of Sciences, Institute of Aquatic Ecology, University of Girona, Campus Montilivi, 17071, Girona, Spain
    Ecotoxicology 20:293-303. 2011
  7. doi request reprint Effects of low concentrations of the phenylurea herbicide diuron on biofilm algae and bacteria
    Marta Ricart
    Institute of Aquatic Ecology, University of Girona, Faculty of Sciences, Campus Montilivi, Girona, Spain
    Chemosphere 76:1392-401. 2009
  8. doi request reprint Seasonal changes in antioxidant enzyme activities of freshwater biofilms in a metal polluted Mediterranean stream
    Berta Bonet
    Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Sci Total Environ 444:60-72. 2013
  9. doi request reprint The use of antioxidant enzymes in freshwater biofilms: temporal variability vs. toxicological responses
    Chloé Bonnineau
    Institute of Aquatic Ecology, Campus Montilivi, 17071 Girona, Spain
    Aquat Toxicol 136:60-71. 2013
  10. ncbi request reprint Monitoring the effect of chemicals on biological communities. The biofilm as an interface
    Sergi Sabater
    Institute of Aquatic Ecology, Faculty of Sciences, Universitat de Girona, Campus Montili, Girona, Spain
    Anal Bioanal Chem 387:1425-34. 2007

Detail Information

Publications12

  1. ncbi request reprint Contrasting effects of organic and inorganic toxicants on freshwater periphyton
    Helena Guasch
    Department of Environmental Sciences, Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Aquat Toxicol 64:165-75. 2003
    ..It is concluded that toxicity tests of metals and other organic and inorganic compounds should be based on longer times of exposure...
  2. doi request reprint Antioxidant enzyme activities as biomarkers of Zn pollution in fluvial biofilms
    Berta Bonet
    Department of Environmental Sciences, Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Ecotoxicol Environ Saf 80:172-8. 2012
    ..This information can be of great interest to improve current tools used for risk assessment...
  3. doi request reprint Light history modulates antioxidant and photosynthetic responses of biofilms to both natural (light) and chemical (herbicides) stressors
    Chloé Bonnineau
    Institute of Aquatic Ecology, Facultat de Ciencies, Universitat de Girona, Girona, Spain
    Ecotoxicology 21:1208-24. 2012
    ..In conclusion this study showed that both previous exposure to contaminants and physical habitat characteristics might influence community tolerance to disturbances strongly...
  4. doi request reprint Triclosan persistence through wastewater treatment plants and its potential toxic effects on river biofilms
    Marta Ricart
    Catalan Institute for Water Research, University of Girona, Spain
    Aquat Toxicol 100:346-53. 2010
    ....
  5. doi request reprint Fluvial biofilms: A pertinent tool to assess beta-blockers toxicity
    Chloé Bonnineau
    Institute of Aquatic Ecology, University of Girona, Spain
    Aquat Toxicol 96:225-33. 2010
    ..Since beta-blockers are mainly found in mixtures in rivers, their differential toxicity could have potential relevant consequences on the interactions between algae and bacteria within river biofilms...
  6. doi request reprint Catalase in fluvial biofilms: a comparison between different extraction methods and example of application in a metal-polluted river
    Chloé Bonnineau
    Faculty of Sciences, Institute of Aquatic Ecology, University of Girona, Campus Montilivi, 17071, Girona, Spain
    Ecotoxicology 20:293-303. 2011
    ..Results of the comparison process and its application are promising for the use of catalase activity as an early warning biomarker of toxicity using biofilms in the laboratory and in the field...
  7. doi request reprint Effects of low concentrations of the phenylurea herbicide diuron on biofilm algae and bacteria
    Marta Ricart
    Institute of Aquatic Ecology, University of Girona, Faculty of Sciences, Campus Montilivi, Girona, Spain
    Chemosphere 76:1392-401. 2009
    ....
  8. doi request reprint Seasonal changes in antioxidant enzyme activities of freshwater biofilms in a metal polluted Mediterranean stream
    Berta Bonet
    Institute of Aquatic Ecology, University of Girona, Campus de Montilivi, 17071 Girona, Spain
    Sci Total Environ 444:60-72. 2013
    ..From this study we suggest the use of a multi-biomarker approach, including AEA and a set of biological and physicochemical parameters as an effect-based field tool to assess metal pollution...
  9. doi request reprint The use of antioxidant enzymes in freshwater biofilms: temporal variability vs. toxicological responses
    Chloé Bonnineau
    Institute of Aquatic Ecology, Campus Montilivi, 17071 Girona, Spain
    Aquat Toxicol 136:60-71. 2013
    ..Nevertheless, the determination of AEA pattern throughout acute exposure test is of high interest to compare oxidative stress levels undergone by different biofilm communities and thus determine their antioxidant capacity...
  10. ncbi request reprint Monitoring the effect of chemicals on biological communities. The biofilm as an interface
    Sergi Sabater
    Institute of Aquatic Ecology, Faculty of Sciences, Universitat de Girona, Campus Montili, Girona, Spain
    Anal Bioanal Chem 387:1425-34. 2007
    ....
  11. ncbi request reprint The effect of copper exposure on a simple aquatic food chain
    Montserrat Real
    Dept Ecologia, University of Barcelona, Av Diagonal, 645, 08028 Barcelona, Spain
    Aquat Toxicol 63:283-91. 2003
    ..However, copper affected growth rate, reproduction and embryo hatching on snails. These results indicate that the effects on snails are more sensitive endpoints in assessing sublethal copper toxicity than effects on periphyton...
  12. ncbi request reprint Comparing the response of biochemical indicators (biomarkers) and biological indices to diagnose the ecological impact of an oil spillage in a Mediterranean river (NE Catalunya, Spain)
    Joana B Damásio
    Laboratório de Toxicologia Ambiental, UPC, CN150 Km 14 5, Terrassa 08220, Spain
    Chemosphere 66:1206-16. 2007
    ..These results support the need to include biochemical responses measured in local species in monitoring programmes aimed to diagnose specific pollution effects in stressed river ecosystems...