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Algal biosensors for aquatic ecosystems monitoring

Abstract : The harmful effect of toxic chemicals on natural ecosystems has led to an increasing demand for early-warning systems to detect those toxicants at very low concentrations levels. Whole-cell biosensors based either on chlorophyll fluorescence or enzyme (phosphatase and esterase) inhibition are constructed for real-time detection and on-line monitoring. Results show that these devices are sensitive to heavy metals and pesticides. The system allows the cells to operate in their natural environment which favours long term stability and reflects the toxic action mechanism providing therefore an ecological interest.
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Submitted on : Tuesday, October 12, 2010 - 2:33:16 PM
Last modification on : Tuesday, September 27, 2022 - 4:45:40 AM
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Claude Durrieu, Canh Tran-Minh, Jean-Marc Chovelon, Lucile Barthet, Céline Chouteau, et al.. Algal biosensors for aquatic ecosystems monitoring. European Physical Journal: Applied Physics, EDP Sciences, 2006, 36 (2), pp.205 - 209. ⟨10.1051/epjap:2006112⟩. ⟨emse-00519188⟩



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