منابع مشابه
Toxicity tests in animals: alternative models.
The assessment of chromosomal mutations in children may provide information about aetiology and risk of second malignancies. A somatic cell mutation assay which determines variant erythrocytes lacking expression of an allelic form of the sialoglycoprotein, glycophorin A, was applied to samples from children before and after receiving potentially genotoxic therapy. Fifty-six children who had rec...
متن کاملAlternative tests make the grade.
Toxicity testing is absolutely necessary for assessing the safety of substances in food, air, and water, in the workplace and at home. Although there are several tried-and-true toxicity assays, the search is always on for methods that can even better predict toxic effects. As scientific understanding of the effects of environmental toxicants grows, new tests are needed to evaluate previously un...
متن کاملComplimentary and Alternative Allergy Tests
This article reviews the common tests employed by complementary and alternative medical practitioners to diagnose allergies and intolerances. These tests include VEGA, applied kinesiology, hair analysis, auriculo-cardiac test, stool and live blood analysis, leucocytotoxic tests and IgG ELISA tests. None of these tests has proven to be as accurate as specific IgE measurement in allergy diagnosis...
متن کاملSome Observations on Toxicity Tests of Antibiotics.
Considerable difficulty has been experienced in interpreting the results of toxicity tests on certain antibiotics employing aqueous solutionsas recommendedby various Pharmacopoeias. The strain of mice as a possible factor influencing the results has been emphasised. Ionic concentration of the solutions and the rate of injection are other factor~ considered responsible for the immediate mortalit...
متن کاملUsing Toxicity Tests in Ecological Risk Assessment
ECO Update is a Bulletin series on ecological risk assessment of Superfund sites. These Bulletins serve as supplements to Risk Assessment Guidance for Superfund, Volume II: Environmental Evaluation Manual (EPA/540-1-89/001). The information presented is intended to provide technical information to EPA and other government employees. It does not constitute rulemaking by the Agency, and may not b...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/357432a0