The main objective of this study is to map the state of the art in passive sampling sediments and to investigate which measures we can take to reduce any inter-method and -laboratory variation, in order to increase confidence in the […]
A major hurdle in using chemoinformatic systems is the lack of easily accessible data on substance identity including structures and composition e.g. constituents, impurities and additives as well as high quality, detailed endpoint data of chemical substances. This project is […]
The TIPTOP study will test the following two hypotheses: Compound-by-compound chemical water quality assessment based on concentrations of target-analyzed pollutants is toxicologically and ecologically less relevant and thereby less protective than risk assessment based on bioassay responses to the complex […]
Growing concerns regarding the possibility that environmental contaminants could mimic estrogens and androgens and hence disrupt endocrine systems have led to the evaluation of test systems to detect such contaminants. One system, the weanling rat assay, has been suggested as […]
The current method of assessing the (anti-)androgenic potential of a compound in vivo is through the use of the Hershberger assay. This involves first castrating adult male rats, allowing the sexual accessory tissues to regress and then exposing the rats […]
In a 21-day-assay (phase 1 B), sexually mature female and male fathead minnows (Pimephales promelas) were exposed to a weak estrogen agonist, or a weak aromatase inhibitor, under flow-through conditions. Three different test-compound concentrations, a water-only control, and a corresponding positive control […]
The scientific objectives of this project are: 1.To create a tiered screening system for identifying potential PBTs and POPs amongst existing chemicals; 2.To verify whether the potential PBTs / POPs identified in the screening program are present in the European background […]
Puberty is the transitional period from childhood to adulthood. At puberty onset, a change in the set point (sensitivity) of the so-called ”gonadostat”, which is located in the hypothalamus, occurs. During childhood, small amounts of sex hormones produced in steroid […]
The specific objectives of this project are as follows: - to provide genome-wide maps of kinetic changes in gene expression induced in draining lymph nodes following exposure of mice to a panel of selected chemicals (comprising chemicals known to cause […]
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