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Drug used to treat skin conditions is a marine pollutant
Date:3/24/2009

nc pyrithione (found in anti-dandruff shampoos). The results that Tobias Porsbring presents show that a mixture of such compounds forms a "cocktail effect" that has a direct impact on the growth of the microalgal community.

Theoretical model

The fact that low levels of a pollutant that are insufficient to cause a detectable effect may contribute to a larger, combined effect with other chemicals emphasises that cocktail effects are a real environmental problem. Despite this, assessments of environmental risk are usually carried out on one chemical at a time. Through knowledge of environmental levels and the impact of individual chemicals Tobias Porsbring's thesis launch a theoretical model for calculating how cocktail effects arise. This model can be used to obtain highly reliable estimates of the composite environmental risk from mixtures of chemicals in the ocean ecosystem.


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Contact: Krister Svahn
krister.svahn@science.gu.se
46-031-786-4912
University of Gothenburg
Source:Eurekalert  

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