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    • Angiotensin and Blood Pressure Regulation

      • 1st Edition
      • December 2, 2012
      • Joseph Harding
      • English
      • Paperback
        9 7 8 0 1 2 4 3 3 5 9 7 4
      • eBook
        9 7 8 0 3 2 3 1 5 9 1 1 1
      Angiotensin and Blood Pressure Regulation examines the role of angiotensin in blood pressure regulation, with emphasis on its ability to influence the inotropic state directly via activation of myocardial receptors and indirectly by potentiating the release of catecholamines from sympathetic nerve terminals. The book also explains how angiotensin acts directly to regulate thirst and sodium appetite, and via antidiuretic hormone to control water reabsorption in the kidney. This book is comprised of eight chapters and begins with a review of the neuronal actions of angiotensin, primarily those in the brain, as well as the location and function of brain angiotensin II receptors. The effects of angiotensin on elements of the vascular wall and myocardium are also discussed, along with its function in hypovolemia, reproduction, and neurotransmission. Subsequent chapters explore some basic and functional considerations of the renin-angiotensin system in the brain; the biochemical processing that is required for angiotensin activation and inactivation; how angiotensin affects peripheral resistance; and the potency of angiotensin III as a pressor and dipsogenic agent in normotensive and hypertensive animal models. This monograph will be a useful resource for pharmacologists and physiologists.

    • Biochemistry of Foods

      • 1st Edition
      • December 2, 2012
      • N.A.M. Eskin
      • English
      • Paperback
        9 7 8 0 1 2 4 3 3 5 8 2 0
      • eBook
        9 7 8 0 3 2 3 1 5 8 9 6 1
      Biochemistry of Foods attempts to emphasize the importance of biochemistry in the rapidly developing field of food science, and to provide a deeper understanding of those chemical changes occurring in foods. The development of acceptable fruits and vegetables on postharvest storage is dependent on critical biochemical transformations taking place within the plant organ. The chapters discuss how meat and fish similarly undergo postmortem chemical changes which affect their consumer acceptability. In addition to natural changes, those induced by processing or mechanical injury affect the quality of foods. Such changes can be controlled through an understanding of the chemical reactions involved, for instance, in enzymic and nonenzymic browning. Increased sophistication in food production has resulted in the widespread use of enzymes in food-processing operations. Some of the more important enzymes are discussed, with an emphasis on their role in the food industry. The final chapter is concerned with the biodeterioration of foods. The various microorganisms involved in the degradation of proteins, carbohydrates, oils, and fats are discussed, with special reference to the individual biochemical reactions responsible for food deterioration.

    • Handbook of Energy for World Agriculture

      • 1st Edition
      • December 2, 2012
      • B.A. Stout
      • English
      • Paperback
        9 7 8 0 4 4 4 5 6 9 0 8 0
      • eBook
        9 7 8 0 4 4 4 5 9 8 5 4 7
      Adequate food supplies and a reasonable quality of life require energy - both in commercial and non-commercial forms. This handbook is intended as a reference for individuals who want a comprehensive overview of energy for agriculture, many of whom are located in remote areas with limited library resources. The purpose is to put energy for agriculture in perspective by presenting numerous national and regional examples of energy usage.Since the early 1970s, world petroleum prices have fluctuated from US$3/barrel to more than US$40/barrel in 1981, and then back to one-third of the peak price today. Consequently, the rural sector depends heavily on non-commercial energy sources. Availability of such energy is highly site-specific. This handbook deals extensively with non-commercial energy - its sources, the technologies for converting energy to more useful gaseous and liquid forms, and its ultimate end-uses.Photographs... tables, line drawings and graphs are used extensively. Over 600 references are listed along with agency names and addresses for obtaining further information.

    • Encapsulation Technologies and Delivery Systems for Food Ingredients and Nutraceuticals

      • 1st Edition
      • October 19, 2012
      • Nissim Garti + 1 more
      • English
      • Hardback
        9 7 8 0 8 5 7 0 9 1 2 4 6
      • eBook
        9 7 8 0 8 5 7 0 9 5 9 0 9
      Improved technologies for the encapsulation, protection, release and enhanced bioavailability of food ingredients and nutraceutical components are vital to the development of future foods. Encapsulation technologies and delivery systems for food ingredients and nutraceuticals provides a comprehensive guide to current and emerging techniques.Part one provides an overview of key requirements for food ingredient and nutraceutical delivery systems, discussing challenges in system development and analysis of interaction with the human gastrointestinal tract. Processing technologies for encapsulation and delivery systems are the focus of part two. Spray drying, cooling and chilling are reviewed alongside coextrusion, fluid bed microencapsulation, microencapsulation methods based on biopolymer phase separation, and gelation phenomena in aqueous media. Part three goes on to investigate physicochemical approaches to the production of encapsulation and delivery systems, including the use of micelles and microemulsions, polymeric amphiphiles, liposomes, colloidal emulsions, organogels and hydrogels. Finally, part four reviews characterization and applications of delivery systems, providing industry perspectives on flavour, fish oil, iron micronutrient and probiotic delivery systems.With its distinguished editors and international team of expert contributors, Encapsulation technologies and delivery systems for food ingredients and nutraceuticals is an authoritative guide for both industry and academic researchers interested in encapsulation and controlled release systems.

    • Isozymes in Plant Genetics and Breeding

      • 1st Edition
      • Volume 1A
      • December 2, 2012
      • English
      • Paperback
        9 7 8 0 4 4 4 5 6 6 7 3 7
      • eBook
        9 7 8 0 4 4 4 6 0 0 3 8 7
      Developments in Plant Genetics and Breeding, 1A: Isozymes in Plant Genetics and Breeding, Part A focuses on the advancements in the processes, methodologies, and approaches involved in the study of isozymes, including its role in plant genetics and breeding. The selection first elaborates on the historical perspectives of plant isozymes, plant genetics, and isozyme systems to study gene regulation during development. Discussions focus on the use of isozyme and similar comparisons to study differential gene regulation, gene preservation, dissemination of cultivars, propagation of cultivars and breeding lines, and studies on the effect of viral infection and hormones on isozyme expression. The text then examines allozymes in gene dosage studies, gene mapping, and plastid isozymes. The manuscript takes a look at the genetics of mitochondrial isozymes, evolution of plant isozymes, and detection of somatic variation. Topics include evolution of isozymes in plants, generation of isozymes, glutamate dehydrogenase, glutamate-oxaloaceta... transaminase, and malate dehydrogenase. The text also ponders on enzyme activity staining, isozymic variation and plant breeders' rights, genetic purity of commercial seed lots, and use of isozymes in plant disease research. The selection is a valuable reference for researchers interested in the role of isozymes in plant genetics and breeding.

    • Mass Action in the Nervous System

      • 1st Edition
      • December 2, 2012
      • Bozzano G Luisa
      • English
      • Paperback
        9 7 8 0 1 2 4 1 2 0 4 7 1
      • eBook
        9 7 8 0 3 2 3 1 4 0 2 0 1
      Mass Action in the Nervous System: Examination of the Neurophysiological Basis of Adaptive Behavior through the EEG focuses on the neural mechanisms and the behavioral significance of the electroencephalogram... with emphasis on observations made on the mammalian olfactory system. Organized into seven chapters, this book begins with a brief nonmathematical review of the concept of the neuron and the interrelations among neurons that lead to the formation of interactive masses. Some chapters follow on the linear properties of neurons and their parts; the ionic hypothesis; the nonlinear input-output relations of neurons in masses expressed in terms of amplitude-dependent coefficients in linear differential equations; and the relations between the states of activity of neurons. Subsequent chapters describe the properties resulting from feedback within neural masses; the effects of the nonlinearities in the input-output relations of neurons on the behavior of masses; and some inferences concerning the mechanisms of neural signal processing at the level of neural masses. The book is a model for an advanced text in neurophysiology, and some understanding is assumed of the elements of the fields of linear analysis, probability, statistics, theory of potential, neuroanatomy, electrophysiology, neuropharmacology, and experimental psychology.

    • Heredity and Society

      • 1st Edition
      • December 2, 2012
      • Ian Porter
      • English
      • Paperback
        9 7 8 0 1 2 4 3 1 7 4 2 0
      • Hardback
        9 7 8 0 1 2 5 6 2 8 5 0 1
      • eBook
        9 7 8 0 3 2 3 1 5 5 5 0 2
      Heredity and Society documents the proceedings of a symposium on heredity and society sponsored by the Birth Defects Institute of the New York State Department of Health held in Albany, New York, October 26-27, 1971. The central theme, ""Heredity and Society"" means taking part in the exploration of the science of genetics as it affects and is affected by modern life. The contributions made by researchers at the symposium are organized into five sections. The two papers in Section 1 review the history of genetics and discuss ongoing human evolution. Section II presents two studies on changes in the frequency of genes in the population and the evolution of human behavior. Section III contains studies on the effects of genetic counseling and couples who get genetic counseling. Section IV presents some reflections about the consequences of past, present, and future life styles in reproduction of citizens living in Western democracies. It also includes studies on the genetic implications of abortion and the impact of congenital malformations on society. Section V deals with sex chromosome abnormalities; mass screening programs for inborn errors of metabolism; and ethical issues raised by advances in genetics.

    • Cell Surface and Extracellular Glycoconjugates

      • 1st Edition
      • December 2, 2012
      • English
      • Paperback
        9 7 8 0 1 2 3 9 5 9 0 0 3
      • eBook
        9 7 8 0 3 2 3 1 3 8 0 9 3
      This book serves as a much-needed guide for new investigators in the field of glycobiology as well as researchers in other disciplines attempting to define the role of glycoconjugates in their biological systems. Cell Surface and Extracellular Glycoconjugates: Structure and Function describes the determination of structure and function of glycoconjugates that occur on the cell surface and in molecules involved in cell-matrix interactions. The broad scope of thebook covers basic background and technical information in this rapidly expanding field. The text is specifically designed to inform researchers in diverse disciplines of the approaches and resources that can be employed to address problems in glycoconjugate biology.

    • Immunity to Listeria Monocytogenes

      • 1st Edition
      • Volume 113
      • January 24, 2012
      • English
      • Hardback
        9 7 8 0 1 2 3 9 4 5 9 0 7
      • eBook
        9 7 8 0 1 2 3 9 4 7 9 8 7
      Advances in Immunology, a long-established and highly respected publication, presents current developments as well as comprehensive reviews in immunology. Articles address the wide range of topics that comprise immunology, including molecular and cellular activation mechanisms, phylogeny and molecular evolution, and clinical modalities. Edited and authored by the foremost scientists in the field, each volume provides up-to-date information and directions for the future.

    • Soil Microbial Associations

      • 1st Edition
      • Volume 17
      • December 2, 2012
      • V. Vancura + 1 more
      • English
      • Paperback
        9 7 8 0 4 4 4 5 6 6 5 4 6
      • eBook
        9 7 8 0 4 4 4 6 0 0 0 0 4
      This volume is the first publication of its kind to provide a fully comprehensive and detailed approach to the survey of microbial associations in soil: their structure and function in relation to soil fertility and environment protection. The problems covered by this title are presented on various levels of the ecological system; from subcellular phenomena occurring in the microbial cell (genetic and enzyme regulation), to processes taking place in the flow of mass and energy in the agroecosystem. The aim of this monograph is to contribute to the understanding of the laws of formation and function of microbial associations in natural and agricultural soils, and to build a scientific basis for the control of soil biological processes. Using a contemporary approach to some fields of soil microbiology, the book highlights the possibility of utilizing certain microorganisms and microbial processes to increase soil fertility and protect the environment. These critically evaluated and selected results were obtained at the Institute of Microbiology and the Institute of Experimental Phytotechnics of the Czechoslovak Academy of Sciences, in cooperation with the Institute of Microbiology of the Academy of Sciences of the USSR.

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