منابع مشابه
Growth-inhibitory Substances in Pneumococcus
In the study of bacterial symbiosis and antagonism, considerable interest has centered in the presence or absence of growth when organisms are reinoculated into filtrates of cultures of the same or different species. The nature of the substances which favor or inhibit the simultaneous or subsequent development of bacteria in the same nutritive medium has provoked much discussion and stimulated ...
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EPIDEMIOLOGY • American Association of Poison Control Centers’ database reports ∼ 1 million exposures to poisonings each year in children < 6 years of age • Substances most available to children include those items in the home, such as cosmetics, cleaning products, analgesics, plants, cough medicine, foreign bodies, topical agents, pesticides, vitamins and hydrocarbons • Increased risk of death...
متن کاملPersistent Toxic Substances
Annex 12 addresses definitions, general principles, programs, monitoring, early warning system, human health, research, and reporting. This annex embraces the philosophy of zero discharge and the goal of virtual elimination, and the Parties have achieved considerable success in controlling direct, point source discharges of toxic chemicals to the lakes. The Commission finds, however, that there...
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Mycelial extracts of an Aspergillus wentii strain grown on yeast-extract sucrose medium and initially isolated from country-cured ham were highly toxic when inoculated into chicken embryos or fed to mice. Moldy corn and rice were less toxic when fed to mice. Water extracts of moldy corn or rice or culture filtrates from yeast-extract sucrose medium were not toxic. Purification by thin-layer chr...
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OPPT has been assessing perfluor,inated compounds since 1999. This interest was prompted by reports submitted to the agency describing the toxic properties and widespread presence in the environment, including in human populations, of some of these chemicals. Initial efforts focused on perfluorooctane sulfonate (PFOS), and the assessment of ecological and human health hazards was recently publi...
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ژورنال
عنوان ژورنال: Journal of Experimental Medicine
سال: 1912
ISSN: 1540-9538,0022-1007
DOI: 10.1084/jem.16.5.644