In persistence assessment, enhanced ready biodegradability tests (eRBT) are used to close the gap between screening tests and complex simulation tests. However, only few data from such tests are available, and neither guidance on the design and interpretation of eRBTs, nor suitable validity criteria have been established so far. In a practical testing programme, five […]
Organic matter decomposition is a key soil microbiological function. Intact organic matter decomposition and nutrient cycling indicate that a soil is healthy. In view of these facts, a laboratory-based method has been developed to quantitatively evaluate this process. The ability of soil micro-organisms to decompose filter paper (lignin cellulosic material) as a standard organic material […]
The SETAC Europe 32nd annual meeting will take place in Copenhagen (Denmark) as physical conference with virtual components from 15 to 19 May 2022. Anja Coors is supporting the conference as member of the Scientific Committee, and ECT Oekotoxikologie will be represented by four people at the meeting. In addition to several platform and poster […]
ECT contributed to a recently published global reconnaissance of pharmaceutical pollution in rivers. Reaching out to colleagues globally and engaging them in a world-wide sampling campaign, the team around John Wilkinson and Alistair Boxall from the University of York measured the concentrations of 61 pharmaceuticals in 258 rivers, representing 1,052 locations in 104 countries across […]
Sunscreens containing UV filter substances, such as octocrylene (OCR) and butyl-methoxydibenzoylmethane (BMDBM), have been increasingly used to protect human skin against UV radiation. Both substances have been detected in monitoring studies in the freshwater and marine environment, and there has been concern about potential effects on aquatic organisms. In the present work, the environmental fate […]
After completion of a technical proficiency study in 2020 with three reference compounds (see news), ECT has successfully conducted a first fish short-term reproduction assay according to OECD test guideline 229 under GLP in 2021. We welcome inquiries for further OECD 229 studies using our in-house bred fathead minnows (Pimephales promelas) in 2022. For further […]
As an important step to secure the future of ECT, the company joined the SynTech Research Group on 23 November 2021. The current management team stays on board as managing directors and minority shareholders. This change in shareholders provides us with the great opportunity to extend our services, on-site as well as in cooperation with […]
The toxicity of 17 active pharmaceutical ingredients (APIs) was investigated using standardized acute and chronic tests with Daphnia magna and 2 algae species. Chronic toxicity was generally greater for Daphnia than for algae. Compilation of additional data resulted in 100 APIs for which the acute-to-chronic ratio (ACR) was determined for Daphnia. The frequency of high…
As acknowledged by the European Food Safety Authority (EFSA) soil microorganisms play a key role in ecosystem functioning and there is a lack of appropriate methods to assess impacts on them. ARISTO, the European Industry-Academia Network for Revising and Advancing the Assessment of the Soil Microbial Toxicity of Pesticides, started in 2021 and addresses this […]
ECT’s certificate of Good Laboratory Practice (GLP), which comprises the categories 4 (‘Environmental toxicity studies on aquatic and terrestrial organisms’) and 5 (‘Studies on behaviour in water, soil and air; bioaccumulation’), has been renewed in July 2021. For further information on ECT’s experience as certified laboratory according to the OECD principles of Good Laboratory Practice […]
Hydrotox - Labor für Ökotoxikologie und Gewässerschutz GmbH 
K. Duis
S. Jänsch
T. Junker
K. Duis
D. Leib
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