Oecd Guidelines For The Testing Of Chemicals Section 2 Test No 228 Determination Of Developmental Toxicity To Dipteran Dung Fliesscathophaga Stercoraria L Scathophagidae Musca Autumnalis De Geer Muscidae
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| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 16 |
| Release | : 2008-10-16 |
| Genre | : |
| ISBN | : 9264067477 |
This Test Guideline describes a method to estimate the developmental toxicity of a test chemical to the dung dwelling life stages of dung-dependent dipteran species. Two test species can be used. The test chemical is mixed with bovine faeces, to ...
| Author | : Katalin Gruiz |
| Publisher | : CRC Press |
| Total Pages | : 579 |
| Release | : 2015-04-27 |
| Genre | : Science |
| ISBN | : 1315778777 |
Chemical substances, physical agents and built structures exhibit various types of hazard due to their inherent toxic, mutagenic, carcinogenic, reprotoxic and sensitizing character or damaging to the immune and hormone system. The first steps in managing an environment contaminated by chemical substances are characterization of hazards and quantifi
| Author | : |
| Publisher | : |
| Total Pages | : 114 |
| Release | : 1994 |
| Genre | : Anthelmintics |
| ISBN | : 9789080158726 |
| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 31 |
| Release | : 2016-07-29 |
| Genre | : |
| ISBN | : 9264264337 |
This Test Guideline is designed to assess effects of prolonged exposure to chemicals on the reproduction and survival of the hermaphrodite freshwater snail Lymnaea stagnalis (the Great Pond Snail).
| Author | : Douglas Whitman |
| Publisher | : CRC Press |
| Total Pages | : 914 |
| Release | : 2009 |
| Genre | : Nature |
| ISBN | : |
This book explores the profound importance of phenotypic plasticity as a central organizing theme for understanding biology. Chapters take a broad, integrative approach to explain how physical and biological environmental stimuli (temperature, photoperiod, nutrition, population density, predator presence, etc.), influence insect biochemical, physiological, learning, and developmental processes, altering phenotype, which then influences performance, ecology, life-history, survival, fitness, and subsequent evolution. Topics include endocrinology, development, body size, allometry, polyphenism, reproduction, reproductive and life-history tradeoffs, alternative mating and life-history strategies, density-dependent prophylaxis, physiological adaptation, acclimation, homeostasis, heat-shock proteins, learning, adaptive anti-predator behavior, and evolution of phenotypic plasticity.
| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 0 |
| Release | : 2017-10-09 |
| Genre | : |
| ISBN | : 9789264284104 |
This Test Guideline describes a method to assess effects of a test chemical on the phagocytotic activity of activated sludge containing protozoan organisms under defined conditions in the presence of different concentrations of the test chemical. The principle of biological sewage-treatment ...
| Author | : Norbert H. Seemayer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 215 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642737668 |
Environmental pollution raises serious concern worldwide about effects on human health. Based on a recent meeting, this book focuses on diverse aspects of environmental hygiene, dealing with the evaluation of chemical and physical agents and their relevance to human health. To assess the toxicity, mutagenicity and carcinogenicity of environmental pollutants, a variety of methodological approaches, both in vivo and in vitro, as tissue cultures, isolated organs and animal models, were developed and are described in detail. Data on human exposure, biological monitoring and epidemiological studies are also included. Problems of environmental control and legislation as well as possible provisional steps are discussed.
| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 24 |
| Release | : 2013-07-26 |
| Genre | : |
| ISBN | : 9264203788 |
The test method described in this Test Guideline, is intended to define the lethal and sub-lethal effects of chemicals on the early life stages of the species tested. The early-life stages of fish are exposed to five concentrations of the test ...
| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 24 |
| Release | : 2019-06-18 |
| Genre | : |
| ISBN | : 9264069968 |
The fish are exposed to the test substance preferably for a period of 96 hours. Mortalities are recorded at 24, 48, 72 and 96 hours and the concentrations which kill 50 per cent of the fish (LC50) are determined where possible. One or more species ...
| Author | : OECD |
| Publisher | : OECD Publishing |
| Total Pages | : 17 |
| Release | : 2000-01-21 |
| Genre | : |
| ISBN | : 9264070206 |
This Test Guideline is designed to assess the effects of prolonged exposure to chemicals on the growth of juvenile fish. Juvenile fish in exponential growth phase are placed, after being weighed, in test chambers and are normally exposed to five ...
