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The concept of this book has developed over the past fi fteen years as interest in the water and electrolyte disturbances associated with most environmental settings moved from a research area of descriptive discovery to one dealing with the mechanisms responsible for the previously observed disturbances. Most of the contributing authors have been involved in both aspects of this evolution of research, focusing on those problems associated with body fluid and electrolyte balance and searching for hormonal explanations. What did not accompany this transition, however, was a source of information encompassing the area of interest. Instead, the previous format of environmentally focused symposi...
Volume 44, devoted solely to the vital research areas concerning the biogeochemistry of metals and their transport in the environment and availability to living systems, offers 9 timely and authoritative chapters on these fascinating topics by 19 internationally recognized experts.
Increasing the accumulation of aluminum in the bone (body) in cases of renal osteodystrophy may influence the histopathologic aspect of the bones. Alumi num blunts the effect of increased PTH secretion and favours the genesis of osteoid. That means, in cases of renal failure combined with aluminum accumulation, a relatively low bone tunover is found and no fibrosis of the bone marrow. Furthermore the amount of osteoid is increased. This means that there is evidence of osteomalacia especially when the latter is defined as an increased amount of osteoid covered with a relatively low number of cubic osteoblasts. To a certain extent the effect of aluminum accumulation is comparable to the effect...
Element speciation determines the different forms a chemicalelement can take within a given compound, enabling chemists topredict possible ramifications for the environment and humanhealth. This comprehensive book focuses on the analytical aspectsand instrumentation of speciation, while covering the gamut ofmetal speciation forms with adverse effects on biological materialsand the environment at large. The book consists of contributions by a truly international groupof leading authorities on element speciation in bioinorganicchemistry. The editor--a contributor here himself--traces thedevelopments in the field, discussing the advances made over thepast decade in various methodologies and the...
This volume examines the current state of knowledge concerning the influence of a hot environment on nutrient requirements of military personnel. A parallel concern is ensuring that performance does not decline as a result of inadequate nutrition. The committee provides a thorough review of the literature in this area and interprets the diverse data in terms of military applications. In addition to a focus on specific nutrient needs in hot climates, the committee considers factors that might change food intake patterns and therefore overall calories. Although concern for adequate nutrition for U.S. soldiers in Saudi Arabia prompted the initiation of this project, its scope includes the nutrient needs of individuals who may be actively working in both hot-dry and hot-moist climates.
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This text presents contemporary analytical techniques for the determination of heavy metals in air particles, water, soil and biological samples. It details experimental studies to reduce the occurance of disease, remediate contaminated sites and establish acceptable range of oral intakes (AROI) guidelines.