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Assessment of toxicological profiles of the municipal wastewater effluents using chemical analyses and bioassays


Smital, Tvrtko; Terzić, Senka; Žaja, Roko; Senta, Ivan; Pivčević, Branka; Popović, Marta; Mikac, Iva; Tollefsen, Knut Erik; Thomas, Kevin. V.; Ahel, Marijan
Assessment of toxicological profiles of the municipal wastewater effluents using chemical analyses and bioassays // Ecotoxicology and environmental safety, 74 (2011), 4; 844-851 doi:10.1016/j.ecoenv.2010.11.010 (međunarodna recenzija, članak, znanstveni)


Naslov
Assessment of toxicological profiles of the municipal wastewater effluents using chemical analyses and bioassays

Autori
Smital, Tvrtko ; Terzić, Senka ; Žaja, Roko ; Senta, Ivan ; Pivčević, Branka ; Popović, Marta ; Mikac, Iva ; Tollefsen, Knut Erik ; Thomas, Kevin. V. ; Ahel, Marijan

Izvornik
Ecotoxicology and environmental safety (0147-6513) 74 (2011), 4; 844-851

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Organic contaminants ; wastewater ; GC/MS ; LC/MS ; bioassays ; identification

Sažetak
The hazardous chemical contamination of untreated wastewater and secondary effluent from the wastewater treatment plant (WWTP) of the city of Zagreb, Croatia, was comprehensively characterised using large-volume solid-phase extraction (SPE) and silicagel fractionation followed by a detailed analysis of the resulting extracts by a combination of chemical and bioassay methods. Over 100 individual contaminants or closely related-contaminant groups were identified by high-resolution gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/quadrupole time-of-flight mass spectrometry (LC-QTOF). Ecotoxicity profiling of the investigated samples, including cytotoxicity, chronic toxicity, EROD activity ; inhibition of the multixenobiotic resistance (MXR), genotoxicicity and estrogenic potential, revealed the most significant contribution of toxic compounds to be present in polar fractions. Wastewater treatment using conventional activated sludge process reduced the initial toxicity of raw wastewater to various extents, ranging from 28% for algal toxicity to 73.2% for estrogenic activity. The most efficient toxicity removal was observed for the polar compounds.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Biologija



POVEZANOST RADA


Projekt / tema
098-0982934-2712 - Organski spojevi kao molekulski obilježivači antropogenog utjecaja na okoliš (Marijan Ahel, )
098-0982934-2745 - Ekotoksikološko značenje ABC transportnih proteina u vodenih organizama (Tvrtko Smital, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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