نتایج جستجو برای: toxicity tests
تعداد نتایج: 449217 فیلتر نتایج به سال:
To elucidate the effects of chemicals on populations of different species in the environment, efficient testing and modeling approaches are needed that consider multiple stressors and allow reliable extrapolation of responses across species. An adverse outcome pathway (AOP) is a concept that provides a framework for organizing knowledge about the progression of toxicity events across scales of ...
Introduction During the Workshop "Pharmacokinetics: Defining the Dose for Risk Assessment," two panel discussions were held. The first was "Design of Studies to Obtain Pharmacokinetic Data for Risk Assessment." Emil Pfitzer of HoffmannLa Roche, Inc.; James Stevens of Ciba-Geigy Corporation;Penelope FennerCrisp of the U.S. Environmental Protection Agency Pesticides Program; and Daniel Menzel of ...
The challenge and opportunity for design of environmentally-benign ionic liquids (ILs) would start from prediction of their toxicological effects on several endpoints solely based on the structural formulas. Especially, a comprehensive yet simple equation able to predict several biological responses to IL toxicity is of much advantage. Therefore, based on 50 toxicity testing systems on ILs a co...
Several compelling aruguments have been advanced in support of expanding the use of "behavioral teratology" evaluations as routine components of toxicologic screening procedures. As a basis for development of effective behavioral teratology screening approaches, a conceptual framework is presented which interrelates: (1) changes in relative functional brain capacity with age, (2) possible times...
Bacterial growth inhibition tests have become a standard measure of the adverse effects of inhibitors for a wide range of applications, such as toxicity testing in the medical and environmental sciences. However, conventional well-plate formats for these tests are laborious and provide limited information (often being restricted to an end-point assay). In this study, we have developed a microfl...
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