Toxicity identification evaluation of Lake Orta (Northern Italy) sediments using the Microtox system

Ecotoxicology and Environmental Safety
L GuzzellaH Muntau

Abstract

Pore waters extracted by centrifugation from Lake Orta (Northern Italy) sediments were studied with a modified Toxicity Identification Evaluation (TIE) procedure using the Microtox bacterial luminescence toxicity test system. The most toxic pore water samples were from stations near a rayon factory, known as a source of copper and ammonium discharges. The TIE manipulations used were filtration, EDTA chelation, and C18 solid-phase resin adsorption. The most effective treatments to remove toxicity were the EDTA and C18, indicating that both metals and nonpolar organic compounds contribute to the observed toxicity.

Citations

Feb 24, 2009·Toxicon : Official Journal of the International Society on Toxinology·Patricia AlbaMarta E García
Jun 19, 2007·Journal of Hazardous Materials·Renato F DantasSantiago Esplugas
Mar 24, 2007·Environment International·Ansje J LöhrCornelis A M Van Gestel
Feb 15, 2015·Marine Pollution Bulletin·Xin KeSantosh Kumar
Jan 4, 2007·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Tatiana V RozhkoAlexander Ya Bolsunovsky
Jan 18, 2006·Journal of Photochemistry and Photobiology. B, Biology·Nadezhda S Kudryasheva

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