Download or read book The Metabolism of N substituted Amino Acids written by Philip Handler and published by . This book was released on 1939 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Synthesis and Metabolism of Nitrogen Substituted Derivatives of Amino Acids written by Philip Handler and published by . This book was released on 1937 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Recommended Dietary Allowances written by National Research Council and published by National Academies Press. This book was released on 1989-02-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its introduction in 1943 Recommended Dietary Allowances has become the accepted source of nutrient allowances for healthy people. These Recommended Dietary Allowances (RDAs) are used throughout the food and health fields. Additionally, RDAs serve as the basis for the U.S. Recommended Daily Allowances, the Food and Drug Administration's standards for nutrition labeling of foods. The 10th Edition includes research results and expert interpretations from years of progress in nutrition research since the previous edition and provides not only RDAs but also "Estimated Safe and Adequate Daily Dietary Intakes"â€"provisional values for nutrients where data were insufficient to set an RDA. Organized by nutrient for ready reference, the volume reviews the function of each nutrient in the human body, sources of supply, effects of deficiencies and excessive intakes, relevant study results, and more. The volume concludes with the invaluable "Summary Table of Recommended Dietary Allowances," a convenient and practical summary of the recommendations.
Download or read book Chemical Carcinogenesis written by Claudio Nicolini and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: During October 18-30, 1981, the second course of the International School of Pure and Applied Biostructure, a NATO Advanced Study Institute, was held at the Ettore Majorana Center for Scientific Culture in Erice, Italy, co-sponsored by the International Union Against Cancer, the Italian League Against Cancer, the Italian Ministry of Public Education, the Italian Ministry of Scientific and Technological Research, the North Atlantic Treaty Organization, the Italian National Research Council, the Sicilian Regional Government and two pharmaceutical Companies (Zambeletti and Farmitalia). The subject of the course was "Chemical Carcino genesis" with participants selected world-wide from 18 different countries. It is now eminently clear that.the bulk of human cancers are related to one of several types of environmental exposure. Of the environmental hazards, chemicals are among the best characterized carcinogens. However, how chemicals induce cancer is still poorly understood. Because of the magnitude of the problem and the ob vious need for a much more critical scientific analysis of the process by which cancer is induced (carcinogenesis), it was highly desirable to expose a greater number of scientists with varying background to some of the latest thinking in chemical carcino genesis. The course had this as its major objective and the re sulting book does reflect it.
Download or read book Enzyme Catalysis in Organic Synthesis 3 Volume Set written by Karlheinz Drauz and published by John Wiley & Sons. This book was released on 2012-03-26 with total page 2143 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive three-volume set is the standard reference in the field of organic synthesis, catalysis and biocatalysis. Edited by a highly experienced and highly knowledgeable team with a tremendous amount of experience in this field and its applications, this edition retains the successful concept of past editions, while the contents are very much focused on new developments in the field. All the techniques described are directly transferable from the lab to the industrial scale, making for a very application-oriented approach. A must for all chemists and biotechnologists.
Download or read book Carcinogenic and Mutagenic N substituted Aryl Compounds written by and published by . This book was released on 1982 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Toxins written by P. Gopalakrishnakone and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Military Strategies for Sustainment of Nutrition and Immune Function in the Field written by Institute of Medicine and published by National Academies Press. This book was released on 1999-05-13 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every aspect of immune function and host defense is dependent upon a proper supply and balance of nutrients. Severe malnutrition can cause significant alteration in immune response, but even subclinical deficits may be associated with an impaired immune response, and an increased risk of infection. Infectious diseases have accounted for more off-duty days during major wars than combat wounds or nonbattle injuries. Combined stressors may reduce the normal ability of soldiers to resist pathogens, increase their susceptibility to biological warfare agents, and reduce the effectiveness of vaccines intended to protect them. There is also a concern with the inappropriate use of dietary supplements. This book, one of a series, examines the impact of various types of stressors and the role of specific dietary nutrients in maintaining immune function of military personnel in the field. It reviews the impact of compromised nutrition status on immune function; the interaction of health, exercise, and stress (both physical and psychological) in immune function; and the role of nutritional supplements and newer biotechnology methods reported to enhance immune function. The first part of the book contains the committee's workshop summary and evaluation of ongoing research by Army scientists on immune status in special forces troops, responses to the Army's questions, conclusions, and recommendations. The rest of the book contains papers contributed by workshop speakers, grouped under such broad topics as an introduction to what is known about immune function, the assessment of immune function, the effect of nutrition, and the relation between the many and varied stresses encountered by military personnel and their effect on health.
Download or read book Metabolic Pathways written by David M. Greenberg and published by Academic Press. This book was released on 2014-05-12 with total page 829 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolic Pathways, Volume II focuses on the metabolism, biosynthesis, and catabolism of amino acids. The selection first offers information on nitrogen and carbon metabolism of amino acids. Discussions focus on amino acids linked with citric acid cycle, sulfur amino acids, proline and hydroxyproline, histidine, hydroxyamino acids, urea biosynthesis and related systems, and deamidation. The text then ponders on the biosynthesis of amino acids and related compounds and metabolism of sulfur-containing compounds. Topics include metabolism of methionine, biotin, biological importance of sulfur in animals, interconversions of glutamic acid, ornithine, and prolines, and biosynthesis of the branched-chain amino acids. The publication takes a look at the synthesis of proteins, purines and pyrimidines, and nucleotides and nucleosides, including the components of nucleotides, purine degradation, and incorporation of preformed purine compounds into nucleic acids. The selection is a valuable reference for researchers interested in the metabolism, catabolism, and biosynthesis of amino acids.
Download or read book Symbiotic Nitrogen Fixation written by P. Graham and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past three decades there has been a large amount of research on biological nitrogen fixation, in part stimulated by increasing world prices of nitrogen-containing fertilizers and environmental concerns. In the last several years, research on plant--microbe interactions, and symbiotic and asymbiotic nitrogen fixation has become truly interdisciplinary in nature, stimulated to some degree by the use of modern genetic techniques. These methodologies have allowed us to make detailed analyses of plant and bacterial genes involved in symbiotic processes and to follow the growth and persistence of the root-nodule bacteria and free-living nitrogen-fixing bacteria in soils. Through the efforts of a large number of researchers we now have a better understanding of the ecology of rhizobia, environmental parameters affecting the infection and nodulation process, the nature of specificity, the biochemistry of host plants and microsymbionts, and chemical signalling between symbiotic partners. This volume gives a summary of current research efforts and knowledge in the field of biological nitrogen fixation. Since the research field is diverse in nature, this book presents a collection of papers in the major research area of physiology and metabolism, genetics, evolution, taxonomy, ecology, and international programs.
Download or read book Protein Metabolism of the Nervous System written by Abel Lajtha and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: Few can deny the paramount importance of the neurosciences, undoubtedly one of the most challenging fields in contemporary science. Recent years have witnessed the awakening of interest in brain research by many dis tinguished investigators from other branches of science, which has made possible the multidisciplinary approach needed for the complex problems of this field. The present book, which deals with one aspect of this research, is the result of the symposium held under the auspices of the New York State Research Institute for Neurochemistry and Drug Addiction in April 1968. It has become clear that brain proteins are involved in all aspects of mental function and dysfunction, and the present volume documents the latest advances in our knowledge (advances made to a large extent by con tributors to this volume). The chapters not only convey some of the enthu siasm and wonderful, cooperative spirit of the many excellent scientists ex ploring the brain, and their wealth of ideas; they also illustrate the many approaches from which cerebral proteins can be studied in a meaningful manner. In some areas even preliminary evidence is worth discussing: e.g., it is an exciting achievement that we can begin to apply the disciplines of bio chemistry to phenomena of learned behavior and information handling.
Download or read book The Chemistry of Food written by Jan Velisek and published by John Wiley & Sons. This book was released on 2013-12-31 with total page 1139 pages. Available in PDF, EPUB and Kindle. Book excerpt: THE CHEMISTRY OF FOOD THE CHEMISTRY OF FOOD This advanced textbook covers all the main macro- and micronutrients and the essential nutritional factors that determine the nutritional and energy value of foods and raw food material. It includes chapters devoted to amino acids, peptides and proteins, fats and other lipids, carbohydrates, vitamins, mineral substances and water, and in addition to chapters devoted to antinutritional, toxic and other biologically active substances, food additives and contaminants. Each chapter addresses one of the main individual components of food, reviewing its important properties and functions. Detailed descriptions and explanations of the changes and chemical/biochemical reactions that occur under different conditions are also covered. The book provides a comprehensive overview of the chemical composition of foods and the changes that take place during food production, processing and storage. With an extensive list of tables and its comprehensive coverage, this almost encyclopaedic volume will be ideal for students at the Masters level and beyond, and is a vital all-in-one reference for professional food chemists, researchers and the food industry. The Chemistry of Food is supported by a website of online resources, including web links to relevant news and journal articles, references and further reading, glossary of key terms, and revision notes for all topics/chapters.
Download or read book Essentials of Glycobiology written by Ajit Varki and published by CSHL Press. This book was released on 1999 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sugar chains (glycans) are often attached to proteins and lipids and have multiple roles in the organization and function of all organisms. "Essentials of Glycobiology" describes their biogenesis and function and offers a useful gateway to the understanding of glycans.
Download or read book Intra and Intermolecular Interactions between Non covalently Bonded Species written by Elliot R. Bernstein and published by Elsevier. This book was released on 2020-09-10 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of gases, clusters, liquids, and solids as units or systems, eventually focuses on the properties of these systems as governed by interactions between atoms, molecules, and radicals that are not covalently bonded to one another. The stereo/spatial properties of molecular species themselves are similarly controlled, with such interactions found throughout biological, polymeric, and cluster systems and are a central feature of chemical reactions. Nevertheless, these interactions are poorly described and characterized, with efforts to do so, usually based on a particular quantum or even classical mechanical procedure, obscuring the fundamental nature of the interactions in the process. Intra- and Intermolecular Interactions Between Noncovalently Bonded Species addresses this issue directly, defining the nature of the interactions and discussing how they should and should not be described. It reviews both theoretical developments and experimental procedures in order to explore interactions between nonbonded entities in such a fundamental manner as to elucidate their nature and origins. Drawing attention to the extensive experience of its editor and team of expert authors, Intra- and Intermolecular Interactions Between Noncovalently Bonded Species is an indispensable guide to the foundational knowledge, latest advances, most pressing challenges, and future directions for all those whose work is influenced by these interactions. Comprehensively describes the nature of interactions between nonbonded species in biological systems, liquids, crystals, clusters, and in particular, water. Combines fundamental, theoretical, background information based on various approximations with the knowledge of experimental techniques. Outlines interactions clearly and consistently with a particular focus on frequency and time-resolved spectroscopies as applied to these interactions.
Download or read book N Oxidation of Drugs written by P. Hlavica and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Secondary Metabolism in Microorganisms Plants and Animals written by M. Luckner and published by Springer Science & Business Media. This book was released on 2013-12-11 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the reactions and compounds involved in metabolism are almost identical in the different groups of living organisms. They are known as primary metabolic reactions and primary metabolic products. In addition, however, a wide variety of biochemical pathways are characteristic of only a few species of organisms, of single "chemical races" or even of a certain stage of differentiation of special ized cells. Such pathways are collectively referred to as "secondary metabolism", and the compounds formed are called "secondary products". Secondary products are frequently revealed by their color, smell, or taste. They are responsible for the flavor of most foodstuffs and beverages and for the color and fragrance of flowers and fruits. Many of them are part of the materia medica, e. g. , alkaloids, cardiac glycosides, antibiotics, or compounds acting as hormones. Others are used by industry, e. g. , rubber, tannins, and cellulose. This book treats the organization and significance of biosynthesis, storage, transformation, and degradation of the most important groups of secondary products in microorganisms, plants, and animals. It shows that the formation of secondary products is a common characteristic of specialized cells brought about by the action of special enzymes encoded by specific genetic material. It demon strates that the. biosynthesis of secondary products is typically without signifi cance for the individual producer cell, but may play a decisive role in the develop· ment and function of the producer organism as a whole.
Download or read book Mammalian Amino Acid Transport written by D. Häussinger and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amino acid transport is a part of each of two larger subjects, amino acid metabolism and the biomembrane transport of various . small molecules and ions. Nevertheless in this volume we treat amino acid transport as more than a fragment of either of these two larger subjects. A more comprehensive approach is justified when we remember two historic and ongoing aspects of the title subject. First, amino acid transport had its beginning and acquired a distinct momentum (even if somewhat interrupted from 1913 until about 1945) as amino acid metabolism with the central and pioneer work of Van Slyke and Meyer in 1913. The reviews in this volume will show that it steadily becomes a larger aspect of amino acid metabolism, broadly perceived. These chapters will show for how many organelles, cells, tissues, organs and organ systems, the transmembrane compartmentations and flows of amino acids play very large parts in their fundamental biological relations. The authors here are tending collectively to evaluate an understanding of amino acid flows across biomernbranes, and the regulation of these flows, as necessary to an ultimate understanding of the full range of development and metabolism. Such an understanding goes far beyond the purely substrate-destabilizing contributions by enzymes, which have often been arbitrarily limited to that conceptual entity, "the cell", and which for so long a splendid time had most of biochemical research attention.
