News

02. September 2020, Topic: Aquatic Ecotoxicology, Soil Ecotoxicology, Sediment Ecotoxicology, Risk Assessment

New faces at the Ecotox Centre

New faces at the Ecotox Centre

We welcome our new colleagues Alena Tierbach and Carolin Riegraf.

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09. July 2020, Topic: Aquatic Ecotoxicology, Soil Ecotoxicology, Sediment Ecotoxicology, Risk Assessment

Info sheet on PFAS in the environment

Info sheet on PFAS in the environment

Per- and polyfluorinated alkyl substances (PFAS) are very stable and accumulate worldwide in the environment and in organisms. A new info sheet gives information on their occurrence, their toxicity and the regulatory context.

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18. May 2020, Topic: Aquatic Ecotoxicology, Soil Ecotoxicology, Sediment Ecotoxicology

Ecotoxicity of tire wear particles

Ecotoxicity of tire wear particles

Every year, several thousand tonnes of tire wear particles, consisting of a complex mixture of rubber particles and road material, are released into the environment and are contaminated with numerous pollutants. In a new project, the Ecotox Centre is working to improve our understanding of the bioavailability and toxicity of tire wear particles.

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18. May 2020, Topic: Aquatic Ecotoxicology

Detection of pollutants in food packaging

Detection of pollutants in food packaging

Food packaging contains complex mixtures of chemicals. A new method can sensitively measure their toxicity and help to find out which substances are responsible for the toxicity.

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15. May 2020, Topic: Aquatic Ecotoxicology, Sediment Ecotoxicology, Soil Ecotoxicology, Risk Assessment

TKTD-modelling for dummies

TKTD-modelling for dummies

A milestone has been reached by processing one of the TKTD models for the use of practitioners without modelling experience. With the GUTs model, the mortality can be predicted for a given concentration curve of a chemical.

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14. May 2020, Topic: Aquatic Ecotoxicology, Sediment Ecotoxicology

Invertebrate and microbial communities in contaminated river sediments

Invertebrate and microbial communities in contaminated river sediments

The river sediments of Ardières and Tillet are both polluted with complex substance mixtures. The effect of the contamination with PCB on the oligochaete communities was clearly visible. The effect of the contamination on microbial communities was harder to assess because microbes are influenced by a multitude of environmental factors.

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14. May 2020, Topic: Aquatic Ecotoxicology

Guest from Japan

Guest from Japan

Dr. Kazushi Noro from the Research Institute of Environment, Agriculture and Fisheries in Osaka, Japan, spent five weeks at the Ecotox centre in February and March 2020.

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11. May 2020, Topic: Sediment Ecotoxicology, Aquatic Ecotoxicology

Assessment of sediment quality in artificial canals in Valais

Assessment of sediment quality in artificial canals in Valais

Ecotoxicological bioassays and the assessment of invertebrate benthic communities complement physico-chemical analyses when assessing sediment quality. The sediment quality in three artificial channels in the Valais was severely affected.

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08. May 2020, Topic: Aquatic Ecotoxicology, Soil Ecotoxicology, Sediment Ecotoxicology, Risk Assessment

Fungicidal azoles cause concern

Fungicidal azoles cause concern

In Switzerland, these substances are detected in most samples from water, sediment, soil and organisms. However, a lack of toxicity data for many azoles makes it difficult to assess the risk they pose.

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23. April 2020, Topic: Aquatische Ökotoxikologie, Risikobewertung

Effect-based limits come into force - milestone for a long-term project

Effect-based limits come into force - milestone for a long-term project

With the amendment to the Water Protection Ordinance of 1 April 2020, an important goal was achieved: For 19 pesticides and three pharmaceuticals, the quality criteria developed by the Ecotox Centre now apply as limit values for surface waters.

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