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Chromosome Segregation and Aneuploidy
Proceedings of the NATO Advanced Research Workshop on Chromosome Segregation and Aneuploidy, held at Aghia Pelagia, Greece, October 10-15, 1992
Short-Term Bioassays in the Analysis of Complex Environmental Mixtures II
More than one hundred short-term bioassays are now available for detecting the toxicity, mutagenicity, and potential carcinogenicity of chemicals. These bioassays were developed and validated with individual compounds, and their principal application was perceived to be in evaluating the health hazard of such materials. However, man is rarely exposed to single chemicals; his exposure to hazardous chemicals is more commonly a multifactorial phenomenon. Although chemical analysis can be used to detect known hazardous compounds, it would be a staggering and expensive task to analyze large numbers of samples for all known or suspected hazardous constituents. Furthermore, the biological activity ...
Genetic Manipulations with Plant Material
Mankind, throughout history, has strived to improve his food sources. By means of slow and empirical selections, it has been possible to greatly increase both quantity and quality of plant crops. This procedure has brought the most useful cereals to a state of refinement that seems to be difficult to further improve by the same methodology. Indeed, natural sexual mechanisms were always used to cross closely related sexually and genetically compatible organisms; the selection procedure consisted of isolating the most promi sing progenies. Obviously, by this way, plants could only share preexisting genetic pools. On the other hand, the last decade has seen drastic modifi cations of the experim...
Basic and Applied Mutagenesis
The aim of the editors of this volume is to use basic and ap plied studies in the field of mutagenesis to approach a problem of especial concern. The problem is that of the usage of toxic chemi cals, particularly agricultural chemicals, in ever-increasing quan tities in those parts of the world that feed the most people. Agri cultural chemicals that are in use in Pakistan are emphasized here. These are the same chemicals that are in use throughout the develop ing world, although the quantities of the different types that are used may vary from country to country, and from region to region within countries. A number of these chemicals can no longer be sold in Europe or in the United States, and it is often difficult to iden tify a scientific reason as to why they are sold at all. It is ironic that toxic chemicals are used as a humanitarian device to rid the world of Pestilence and Famine -- two of the Horsemen of the Apocalypse. If we do not wish poisonous chemicals to become the fifth Horseman of the Apocalypse, then we must begin now to identify and regulate the large-scale usage of toxic sub stances everywhere.
Aneuploidy
The "Symposium on Aneuploidy: Etiology and Mechanisms" was held at the Carnegie Institution of Washington Auditorium from March 25-29. 1985. This Symposium developed as a consequence of the concern of the Environmen tal Protection Agency with the support of the National Institute of Envi ronmental Health Sciences about human exposure to environmental agents that cause aneuploidy. The program was chosen to explore what is currently known about the underlying causes, the origins, and the extent of the prob lem of human aneuploidy, and whether exposure to environmental agents is assodated with an increased incidence of aneuploidy in humans. Basic research findings in the area of mitosis and mei...
Air Toxics and Risk Assessment
Unlike most books, this one actually does risk assessments for you for over 110 chemicals that are confirmed or probable air toxics. All chemicals are analyzed with a scientifically sound methodology-outlined in the book-to assess public health risk associated with exposure to air toxics. Methodology will allow you to properly handle all air toxic health concerns within a practical decision-free framework. This permits the application of methodology to any new chemical. Each chemical or compound is organized by synonym, molecular weight, molecular formula, AALG, occupational limits, drinking water limits, toxicity profile and indexed by CAS number, and synonyms.
