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8731-8740 of 14735 results in All results

Iron Chelation in Plants and Soil Microorganisms

  • 1st Edition
  • November 10, 2012
  • Larry Barton
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 7 8 3 - 5
Iron Chelation in Plants and Soil Microorganisms provides an introduction to the basic biological processes of plants that require iron and those affected by iron deficiency. The book aims to stimulate research in the area of iron metabolism in plants and plant-associated microorganisms. The book is organized into three parts. Part I provides an overview of research methods used in the study of iron chelation relevant to plant biology. Key topics covered include microbial siderophores, phytosiderophores, and plant and microbial ferritins. Part II discusses the molecular approach to iron chelation, which includes molecular biology, enzymology, and iron uptake activities. Part III addresses various physiological and chemical characteristics of the iron stress response. This book was written for scientists involved in plant physiology, agronomy, phytopathology, plant control, and soil microbiology. It may also be of interest to those studying soil chemistry, plant-mineral relationships, horticulture, in vivo and in vitro iron measurements, and microbial ecology. In addition, the book can serve as reference for specialty courses and laboratories conducting research on iron nutrition in plants as well as individuals engaged in iron-related research.

Horse Feeding And Nutrition

  • 1st Edition
  • November 10, 2012
  • Tony Cunha
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 6 6 2 - 2
Horse Feeding and Nutrition is the fourth in a series of books on animal feeding and nutrition that focuses on horse feeding and nutrition, aiming to assist in world food production. Organized into 20 chapters, the book contains basic information on horse industry, feeding problems, and importance in food production of proper horse nutrition. The introductory chapters discuss the importance of the horse industry; the art, science, and myths in feeding horses; the problems involved in supplying an adequate level of nutrients in horse rations; and the digestion of feeds. Chapters 5-10 cover concise, up-to-date summaries on macro- and micronutrients, including vitamins, minerals, protein, and water. The book goes on, examining the important interrelationships between nutrition, disease, and performance; the relative value of various feeds in horse rations; and the value of pasture and hay for horses. Chapters 15-18 focus on feeding the foal, growing horses; the performance and race horses; and the mares and stallions. The final chapters discuss purified rations for horses, antibiotics, founder, learning ability, feeding behavior, nutrient toxicity, weight equivalents, weight-unit conversion factors, and the effect of cold weather on horses. The book provides information helpful to beginners and experts in horse production. It will also be valuable for county agents, farm advisors, consultants, veterinarians, and teachers of vocational agriculture, as well as animal science students and teachers.

Extrachromosomal DNA

  • 1st Edition
  • November 10, 2012
  • Donald Cummings
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 5 3 5 - 0
Extrachromosomal DNA contains the proceedings of the 1979 ICN-UCLA Symposia on Molecular and Cellular Biology held in Keystone, Colorado. Contributors focus on extrachromosomal DNA, paying particular attention to the biogenesis of yeast mitochondria. They discuss topics based on the premise that the diversity and complexity of primitive mitochondrial and perhaps chloroplast DNA structure and replication have more in common with many viral systems than with either prokaryotic or eukaryotic systems. This is especially striking in the case of so-called split genes. This book is organized into nine sections encompassing 34 chapters and begins with an overview of extranuclear genetics and the evolution and regulation of mitochondrial biogenesis. The following chapters explore the genetic capacity and structure of chloroplast DNA, viral replication and function, and viral nucleic acids. The possibility of isolating mutants in some intervening sequences and analyzing their effect in loci of known genetic function is demonstrated. The reader is also introduced to the analysis of intervening genes and its importance in yeast mitochondria, as well as the sequencing of a variety of genes of known function. This book also considers the organization, function, and expression of extrachromosomal DNA in yeast, along with the genetics and biogenesis of mitochondrial DNA from higher eukaryotes, and then concludes with a description of the biological and structural characteristics of kinetoplast and Podospora mitochondrial DNA. This book will be of interest to researchers involved in mitochondrial, chloroplast, plasmid, and viral DNA function and replication.

Water Relations of Foods

  • 1st Edition
  • November 10, 2012
  • R Duckworth
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 2 8 6 - 1
Water Relations of Foods consists of proceedings of an international symposium on “Water Relations of Foods” held in Glasgow, in September 1974. Organized into seven sections, the book presents the various papers delivered in the symposium. It describes the physical chemistry of water in simple systems as well as in the more complex food component systems (carbohydrates, lipids, and proteins), with emphasis on the nature of the intermolecular forces involved. It also reports the various techniques used to measure the state of water in food and in model systems made up of food components. Furthermore, the book discusses water activity and the growth of food spoilage and pathogenic organism; water relations of enzymic and non-enzymic deteriorative reactions in food; effects of freezing and thawing of water in food systems; and the significant aspects of food quality as affected by water in the system. Lastly, the modification of the state of water in foods is addressed. This publication will indeed help advance the understanding on this field of interest.

Light Emission By Plants and Bacteria

  • 1st Edition
  • November 10, 2012
  • Jan Amesz
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 3 7 7 - 6
Light Emission by Plants and Bacteria deals mainly with light coming from plants and bacteria as a result of various different reactions. This book emphasizes the light emission from photosynthetic organisms. The major aim of this book is to give insight on light emission studies in plant and bacteria in terms of its physiological, biophysical, and biochemical relevance. The book is divided into six parts. Part I serves as an introduction and at the same time a historical review and development of different concepts of the emission phenomena. Part II tackles the relationship of light emission to the various photosynthetic reactions. Part III discusses the concept of bioluminescence, with a focus on bacteria and dinoflagellates. Part IV is a description of the light emission from bacteriorhodopsin and rhodopsin. Part V discusses the special light emission characteristics and their relationship to specialized pigment systems found in different bacteria and plant groups. It also reviews the fluorescence properties of photosynthetic bacteria. Lastly, Part VI basically shows the practical applications of light emission from algae as well as higher plants. This book contains not only relevant information about theories and concepts, but also experiments. Thus, it is a recommended reference to researchers and students alike in the field of cell biology, microbiology, plant physiology, biochemistry, biophysics, and agriculture.

The Peptides Analysis, Synthesis, Biology

  • 1st Edition
  • November 10, 2012
  • Erhard Gross
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 5 6 3 - 2
The Peptides: Analysis, Synthesis, Biology: Volume 4: Modern Techniques of Conformational, Structural, and Configurational Analysis is an open-ended treatise that provides comprehensive and critical reviews of important developments in all areas of peptide research including analysis, synthesis, and biology. X-ray structure studies, amino acid analysis, and chiroptical analysis of configuration are discussed, along with solid-phase sequencing and ultramicroanalysis with the aid of fluorescence. This volume is comprised of six chapters and begins with an account of crystal structure analysis on molecules containing 2-12 peptide units, focusing on the variety of intramolecular hydrogen bonds, cis peptide units, and multiple conformation. Conformational changes upon complexation with metal ions are considered, together with the inclusion of solvents as integral parts of a molecular structure. The following chapters explore the conformations of insulin, glucagon, pancreatic polypeptide and related molecules, as well as the molecular biology of these hormones based on crystal structures; the usefulness of chiroptical techniques for determining the absolute configuration of amino acids and small peptides; and ultramicroanalysis of peptides and proteins by high performance liquid chromatography and fluorescence detection. The final chapter looks at the status and future potential of solid-phase sequencing. This book is intended as a reference for specialists, a guide for the novice, and a forum for investigators concerned with research on peptides and proteins.

Synthetic Dyes in Biology, Medicine And Chemistry

  • 1st Edition
  • November 10, 2012
  • Edward Gurr
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 2 4 2 - 7
Synthetic Dyes in Biology, Medicine and Chemistry is a guide in selecting dyes for special purposes in biology, medicine, chemistry, and other related fields. It aims to help professionals including histologists, cytologists, and other biology and medicine experts, such as chemists and general scientists. The dyes discussed in this book are categorized in 17 different classes according to the nature of their salt-forming sidechains, the colligators. This book also presents the uses of each dye. The spectral curve, which is the ionic and/or molecular weight of each dye, is also covered in this book. Likewise, this text provides the structural and empirical formulae of the spectral curve. Part I tackles various groups of dyes. These groups are the non-ionic, anionic, and cationic dyes. The anionic dyes are further grouped as wholly acid, weakly amphoteric, and moderately or strongly amphoteric. The subsequent part deals with the examples of dyes that do not fit the categories mentioned in Part I. These miscellaneous dyes are vat, reactive, disperse, and ingrain dyes. Part III presents the dyes in different tables according to wavelength of maximum absorption and ionic or molecular weight. This book also covers the stabilized diazonium salts and substituted napthols.

Theoretical Systems Ecology

  • 1st Edition
  • November 10, 2012
  • Efraim Halfon
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 6 9 2 - 0
Theoretical Systems Ecology: Advances and Case Studies aims to relate systems ecology theory to theoretical systems ecologists and other theoreticians in systems science. The main language of systems theory is mathematics. This book somewhat simplifies concepts, advances, and developments of the field to non-mathematicians who lack background in some aspects of systems ecology. It presents examples after every chapter that shows the application of theory to the development and analysis of models. This book generally focuses on three problems. The first problem is the selection of components found in the system model. The definition of the relationships and interactions between the system variables is another concern of this book. It also looks into the model analysis. These problems are thoroughly discussed in each section of the book. The theory of modeling, formalisms, classes, and properties of models are covered in the first two sections of this book. A whole section in this book is dedicated to Systems Identification and deals mostly with the problem of extracting information from data. Other sections cover model analysis with focus on trends in some aspects, such as stability and control theory.

Angiotensin and Blood Pressure Regulation

  • 1st Edition
  • November 10, 2012
  • Joseph Harding
  • English
  • 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.

Biology and Geology of Coral Reefs V4

  • 1st Edition
  • November 10, 2012
  • O.A. Jones
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 4 3 8 - 3
Biology and Geology of Coral Reefs, Volume IV: Geology 2 covers the major advances made in the geological aspects of coral reef problems. This book is composed of 10 chapters that summarize the types, economics, radiometric dating, and geological features of coral reefs. The introductory chapters present the types and distribution of coral reefs, such as fringing, barrier, and Atoll reefs. A chapter discusses the findings of the 1973 Royal Society and Queensland Universities Expedition to the northern part of the Great Barrier Reefs on the specialized Low Wooded Islands. Another chapter deals with the interrelation of ecology and sedimentation in coral reef complexes and the Coral Sea Plateau. The next part of the book discusses the techniques and results of radiometric dating of coral reefs and the coral reefs of the Solomon Islands. The remaining chapters deal with the Great Barrier Reef Province and discuss the geology of the basement upon which the reefs rest is included. The reefs are described from geological, geophysical, and hydrological viewpoints, providing a complete bibliography on the reefs. This volume will acquaint readers with some of the exciting developments in coral reef geology and will provide information that will enable them to assess the status of research in different fields.

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