Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Biological assaying of organic compounds in surface waters |
| Abstract | A biological monitoring program (1992-93) was undertaken with the aim of testing the toxic effect of the Lambro, one of the most polluted rivers in Northern Italy. The filtered river samples were tested with S. capricornuum in a 96 h exposure growth inhibition assay and with a photobacterial inhibition assay with the LUMISTox System. The unfiltered samples were also tested with LUMISTox, in order to evaluate the role played by the suspended and colloidal material in the water toxicity. The river samples were passed through a series of columns filled with Carbopack B, XAD-2 and C-18 respectively to concentrate organic compound for chemical analysis and enriched with EDTA to complex metals, The Carbopack B procedure Droved to be the most efficient among the tested extraction techniques. The de-toxificant effect of the sample treatments was evaluated in terms of percentage increase of the cell density by the algal assay, while the toxicity of the extracted organic compounds was evaluated by LUMISTox System. The comparison of algal assay with chemical analysis results pointed out that the toxicity of the Lambro waters was mainly related to pesticide contamination. |
| Source | Water science and technology 30 (10), pp. 113–124 |
| Keywords | AlgaeAmberlite XAD-2BacteriaC-18Carbopack BOrganic micropollutantToxicity |
| Journal | Water science and technology |
| Editor | IWA Publishing, London, |
| Year | 1994 |
| Type | Articolo in rivista |
| Authors | Guzzella, L.; Mingazzini, M. |
| Text | 339398 1994 Scopus 2 s2.0 0028610049 Algae Amberlite XAD 2 Bacteria C 18 Carbopack B Organic micropollutant Toxicity Biological assaying of organic compounds in surface waters Guzzella, L.; Mingazzini, M. Istituto di Ricerca sulle Acque, Italy A biological monitoring program 1992 93 was undertaken with the aim of testing the toxic effect of the Lambro, one of the most polluted rivers in Northern Italy. The filtered river samples were tested with S. capricornuum in a 96 h exposure growth inhibition assay and with a photobacterial inhibition assay with the LUMISTox System. The unfiltered samples were also tested with LUMISTox, in order to evaluate the role played by the suspended and colloidal material in the water toxicity. The river samples were passed through a series of columns filled with Carbopack B, XAD 2 and C 18 respectively to concentrate organic compound for chemical analysis and enriched with EDTA to complex metals, The Carbopack B procedure Droved to be the most efficient among the tested extraction techniques. The de toxificant effect of the sample treatments was evaluated in terms of percentage increase of the cell density by the algal assay, while the toxicity of the extracted organic compounds was evaluated by LUMISTox System. The comparison of algal assay with chemical analysis results pointed out that the toxicity of the Lambro waters was mainly related to pesticide contamination. 30 Published version http //www.scopus.com/record/display.url eid=2 s2.0 0028610049 origin=inward Articolo in rivista IWA Publishing 0273 1223 Water science and technology Water science and technology Water science and technology. Water sci. technol. liciamaria.guzzella GUZZELLA LICIA MARIA |