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The assessment of genotoxic effects of wastewater from a fertilizer factory (CROSBI ID 150061)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Durgo, Ksenija ; Oreščanin, Višnja ; Lulić, Stipe ; Kopjar, Nevenka ; Želježić, Davor ; Franekić Čolić, Jasna The assessment of genotoxic effects of wastewater from a fertilizer factory // JAT. Journal of applied toxicology, 29 (2009), 1; 42-51. doi: 10.1002/jat.1381

Podaci o odgovornosti

Durgo, Ksenija ; Oreščanin, Višnja ; Lulić, Stipe ; Kopjar, Nevenka ; Želježić, Davor ; Franekić Čolić, Jasna

engleski

The assessment of genotoxic effects of wastewater from a fertilizer factory

In this study we investigated cytotoxic, mutagenic and genotoxic effects of different concentrations of wastewater from the phosphoric gypsum depot near the factory for fertilizing agents INA Petrokemija (Kutina, Croatia). The Ames test was performed on Salmonella typhimurium TA98 and TA100 strains, in the presence of S9 mix, glutathione and buffer, respectively. Cytotoxicity was studied on human laryngeal carcinoma cells (HEp2) and human cervical cells (HeLa). The level of lipid peroxidation in these two cell lines was evaluated in parallel. To establish the levels of primary DNA damage, the alkaline comet assay was performed on treated human peripheral blood leukocytes. No mutagenic effects of phosphoric gypsum on Salmonella typhimurium strains in the presence of S9 mix, GSH or PBS were observed. However, strong cytotoxic effect was observed on both human cell lines when they were treated with different concentrations of wastewater. Lipid peroxidation was induced and increased by prolonged time of incubation, highlighting that the damage was not repaired, but increased with the time of incubation. The results of the alkaline comet assay indicate significant DNA damaging potential of wastewater for human leukocytes. Since phosphoric gypsum transport water in its present composition and acidity is highly toxic and acts as prooxidant, causing free radicals formation and DNA damage, urgent neutralization/purification of the wastewater to a level acceptable for disposal into the environment is mandatory. Copyright © ; ; 2008 John Wiley & Sons, Ltd.

phosphogypsum ; Ames assay ; lipid peroxidation ; DNA damage ; comet assay

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Podaci o izdanju

29 (1)

2009.

42-51

objavljeno

0260-437X

1099-1263

10.1002/jat.1381

Povezanost rada

Geologija, Biotehnologija

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