الصفحة 7
الصفحة 7
Methods in Gut microbial ecology for ruminants
As a result of various human activities, such as increase in human population,decrease in arable land due to soil degradation, urbanization, industrialization and associated increase in the demand for livestock products, dramatic changes are occurring in the global ruminant livestock sector. These changes includeshift inthesize of regional livestock populations and in the types of management and feeding systems under which ruminant livestock are held, and increased demand of a wider range of quality attributes from animal agriculture, not just of the products themselves but also of the methods used in their production. The livestock sector will need to respond to new challenges of increasing live stock productivity while protecting environment and human health and conservingbiodiversity and natural resources. The micro-organisms in the digestive tracts of ruminant livestock have a profound in?uence on the conversion offeedinto end products, which can impact on the- imal and theenvironment. As the livestock sector grows particularly in developing countries, there will be an increasing need to understand these processes for b- ter management and use ofbothfeed and other natural resources that underpinthe development of sustainable feeding systems.
Metals in Society and in the Environment : A Critical Review of Current Knowledge on Fluxes, Speciation, Bioavailability and Risk for Adverse Effects of Copper, Chromium, Nickel and Zinc
In 2002, the Swedish Metal Information Task Force (MITF) engaged the Environmental Research Group (MFG) to update previous monographs on copper, zinc and major alloying metals (such as chromium, nickel and molybdenum) in society and in the environment. This book presents new results on metal fluxes from society to the environment, on metal speciation in water, soil and sediment, and its interpretation in terms of mobility, biological uptake and toxicity. The scientific fundamentals of new approaches, like the Acid Volatile Sulphide (AVS) concept to predict metal bioavailability in sediments, and the Biotic Ligand Model (BLM) to calculate the toxicity of metals to aquatic organisms, are critically evaluated, with a focus on copper, nickel, zinc, and, in part, chromium.
Metal-Catalysed Reactions of Hydrocarbons
This unique book, drawing on the author’s lifetime experience, critically evaluates the extensive literature on the field of Metal-Catalysed Reactions of Hydrocarbons. Emphasis is placed on reaction mechanisms involving hydrogenation, hydrogenolysis, skeletal and positional isomerisation, and exchange reactions. The motivation for fundamental research in heterogeneous catalysis is to identify the physicochemical characteristics of active centres for the reaction being studied, to learn how these may be modified or manipulated to improve the desired behavior of the catalyst, and to recognize and control those aspects of the catalyst's structure that limit its overall performance. By restricting the subject of the book to hydrocarbons, Bond has progressively developed the subject matter to include areas of importance both to researchers and to those working in the industry.
Metabolomics : The frontier of systems biology
Metabolism is the sum of the chemical reactions in cells that produce life-sustaining chemical energy and metabolites. In the post-genome era, metabolism has taken on new significance for biological scientists: metabolites are the chemical basis of phenotypes that are final expressions of genomic information. This book covers research on metabolomics, ranging from the development of specialized chemical analytical techniques to the construction of databases and methods for metabolic simulation. The authors have been directly involved in the development of all the subject areas, including capillary electrophoresis, liquid chromatography, mass spectrometry, metabolic databases, and metabolic simulation. Breakthrough achievements and the future of metabolome studies are described, making this book a valuable source for researchers in metabolomics in diverse fields, such as plant, animal, cellular, microbial, pharmaceutical, medical, and genetic sciences.
Memories : Molecules and Circuits
This volume surveys the recent advances and provides an integrative view of molecular, cellular, and systems level mechanisms underlying cognitive processes in both animals and humans. Current state of the art and future avenues are discussed by distinguished scientists who provide not only an overview of the underlying neurobiology of cognitive processes from a basic science standpoint, but who also focus on clinical and therapeutic aspects surrounding impairments associated with disorders that affect cognition.
Membrane Trafficking in Viral Replication
The ability of viruses to exploit cellular functions for their own ends makes them highly effective pathogens and exquisite experimental tools. Work with viruses underpins much of our current understanding of molecular cell biology and related fields. Each of the eight chapters in this volume deals with a specific aspect of viral interactions with cellular membranes. These include chapters on viral entry, viral membrane fusion, viral membrane protein synthesis and transport, viral replication, viral interactions with cytoskeletal systems and the nucleus, the trafficking of viral membrane proteins and viral perturbation of host cell protein trafficking. These chapters should provide both an overview of cellular membrane trafficking mechanisms and viral interactions with these systems, as well as reviews of the current state of each of the fields.
Medicinal compounds in modern healthcare : From tradition to innovation
Reviews the evolution, development, and application of medicinal compounds, beginning with their historical context and advancing to modern innovations. The book describes the therapeutic potential of bioactive compounds from microorganisms, the role of antioxidants and anti-inflammatory agents in managing chronic diseases, and the use of small molecules in pain management and mental healthcare. It further explores immunomodulatory compounds, epigenetic modifiers, and the latest advancements in drug development, including integrative medicine approaches and the applications of nanotechnology in traditional medicine. Additionally, the book addresses the use of immunomodulatory agents like methotrexate and paclitaxel in cancer treatment, regulatory considerations for ensuring safety and efficacy in medicinal compounds, and the growing field of nutraceuticals. Towards the end, the book covers the extraction, profiling, and ADMET evaluation of medicinal compounds, intellectual property challenges, and the significance of traditional medicine in modern healthcare.
Medical Retina
Although the treatment of retinal diseases remains one of the most challenging fields in ophthalmology, the standard of knowledge has improved substantially over the past few years. The insight into basic mechanisms of disease has been expanded and novel diagnostic and therapeutic strategies have been developed, bridging the gap between laboratory and clinical science.
Medical Pharmacology and Therapeutics
Provides all the information medical and healthcare students need throughout their degree programme and beyond, including for professional qualifications such as the PSA. This all-round textbook covers basic pharmacology through to drug prescribing in clinical contexts, covering the pathogenic mechanisms of disease; drug actions, side effects, and the therapeutic principles of drug use. It takes a helpful systems-based approach that orders information according to body systems and disease areas, rather than by drug class. Now in its sixth edition, the book has been fully updated to include latest scientific understanding of drug action and administration and current best practice in prescribing medications, informed by the latest national guidelines.
Mechanisms, Symbols, and Models Underlying Cognition ; 1st International Work-Conference on the Interplay Between Natural and Artificial Computation, IWINAC 2005, Las Palmas, Canary Islands, Spain, June 15-18, 2005, Proceedings, Part I
Constitute the refereed proceedings of the First International Work-Conference on the Interplay between Natural and Artificial Computation, IWINAC 2005. This two-volume set contains papers that are related with the conceptual developments in the fields of Neurophysiology and cognitive science, and also to bioinspired programming strategies.
Mechanisms of the Glaucomas : Disease Processes and Therapeutic Modalities
In this book leaders in the various fields of glaucoma review our current understanding of glaucoma from epidemiology and genetics through molecular, cellular and tissue responses to the mechanisms of the glaucomas and the mechanisms by which we manage them.
Mechanisms of Sepsis-Induced Organ Dysfunction and Recovery
There have been tremendous advances in understanding the cellular mechanisms involved in sepsis and contributing to the development of multiple organ dysfunction and mortality in this setting. The chapters in this book provide up-to-date insights into important pathways that are initiated by sepsis.
Mechanisms of mineralization of vertebrate skeletal and dental tissues
Presents a multi-disciplinary approach to understanding mechanisms regulating the formation of mineral in vertebrate skeletal and dental tissues. The focus of the book is directed toward the mineralization process, an evolutionarily conserved system in which cells synthesize a complex and unique extracellular matrix into which mineral is deposited. Regulatory control is viewed though lenses that emphasize the genetic, physical-chemical, biochemical, structural, cellular and extracellular aspects of the mineralization process as they relate to crystal nucleation, growth and maturation. Throughout the book, defects in regulation at the genetic and transcriptional levels are linked to the numerous clinical problems associated with the mineralization of bone, cartilage, tendon, tooth, and soft tissues.
Mechanisms of Lymphocyte Activation and Immune Regulation XI ; B Cell Biology
These proceedings highlight recent developments in lymphocyte development, Ig gene rearrangements and somatic hypermutation, chromatin structure modification, B lymphocyte signaling and fate, receptor editing, and autoimmunity.
Mechanisms of Lymphocyte Activation and Immune Regulation X ; Innate Immunity
Mechanisms of Lymphocyte Activation and Immune Regulation X: Innate Immunity is the proceedings of the Xth International Conference on Mechanisms of Lymphocyte Activation and Immune Regulation: Innate Immunity, held February 6-8, 2004 in Newport Beach, California. It is the tenth volume of its kind to appear in the series Advances in Experimental Medicine and Biology. Topics include toll receptors, dendritic cells, NK cells, and complement receptors.
Mechanisms of Insulin Action
More than 18 million people in the United States have diabetes mellitus, and about 90% of these have the type 2 form of the disease. In addition, between 17 and 40 million people have insulin resistance, impaired glucose tolerance, or the cluster of abnormalities referred to variably as the metabolic syndrome, the dysmetabolic syndrome, syndrome X, or the insulin resistance syndrome. In all of these disorders, a central component of the pathophysiology is insulin resistance, i.e., reduced responsiveness to insulin in tissues such as muscle, fat and liver. Insulin resistance is also closely linked to other common health problems, including obesity, polycystic ovarian disease, hyperlipidemia, hypertension, and atherosclerosis. In this book, we will attempt to dissect the complexity of the molecular mechanisms of insulin action with a special emphasis on those features of the system that are subject to alteration in type 2 diabetes and other insulin resistant states. We explore insulin action at the most basic levels, through complex systems. The book will be appealing to basic and clinical scientists.
Mechanisms of Angiogenesis
Is it advisable to go back from bedside to the bench? During the last decade, few topics encountered such a broad interest in bio- gy and medicine as angiogenesis. The amazing ability of the body to restore blood flow by induction of blood vessel growth as part of an adaptive process has alarmed physicians dealing with diseases in which angiogenesis is either exaggerated (as in tumors) or too slow (as in ischemic diseases of heart and brain). Not surprisingly, pro- and antiangiogenic strategies have found their way into clinical trials. For instance, for the USA, the NIH website in early 2004 displayed 38 clinical studies involving either pro- or antiangiogenic th- apies. Given the expected overwhelming wealth of clinical data, the question may be asked whether further exploration of biological mechanisms is required or whether results from the bedside are instructive enough to proceed. This question depends also on the progress of pro- and antiangiogenic clinical trials. In the following, I give a short overview about some of the progress that has been made in this field. Since Judah Folkman proposed antiangiogenic tumor therapy thirty years ago, it has become increasingly evident that agents which interfere with blood vessel formation also block tumor progression. Accordingly, antiangiogenic therapy has gained much attention as a potential adjunct to conventional c- cer therapy.
Mechanics and Physics of Fracture : Multiscale Modeling of the Failure Behavior of Solids
Provides a comprehensive understanding of the macroscopic failure behavior of solids from the description of the microscopic failure processes and their coupling with the microstructure. Several fundamental questions were addressed: the relation between the microstructural features of materials and their fracture properties and crack trajectories; the role of damage mechanisms and non-linear deformations near the crack tip on the failure behavior of solids; and finally the role of dynamic inertial effects during fast fracture was more briefly evoked.
Meaning in Action : Constructions, Narratives, and Representations
are far from genetically ? xing what behavioral preferences they may possess. Instead, learning mechanisms offer a ? exible way of attaining locally important cultural knowledge within temporal windows of opportunity as has been convi- ingly shown by research in language and culture attainment. Similar mechanisms are likely to exist for other social capacities, such as mate preferences, for example. It is this role of our biological inheritance that social science must appreciate in order to furnish a more complete understanding of human behavior. Within the natural range of variation of capacities and armed with biologically conditioned learning mechanisms we live out lives of meaning – in which we hold some things to be real, rational, valuable or morally right, and others not. It is this world of meaning in which we ? nd love and hate, struggles for justice, power, and money, and the dramas that lend to life both its depth and passion.
Isomorphisms Between H¹ Spaces
Presents a thorough and self-contained presentation of H¹ and its known isomorphic invariants, such as the uniform approximation property, the dimension conjecture, and dichotomies for the complemented subspaces. The necessary background is developed from scratch. This includes a detailed discussion of the Haar system, together with the operators that can be built from it (averaging projections, rearrangement operators, paraproducts, Calderon-Zygmund singular integrals). Complete proofs are given for the classical martingale inequalities of C. Fefferman, Burkholder, and Khinchine-Kahane, and for large deviation inequalities. Complex interpolation, analytic families of operators, and the Calderon product of Banach lattices are treated in the context of H^p spaces. Througout the book, special attention is given to the combinatorial methods developed in the field, particularly J. Bourgain's proof of the dimension conjecture, L. Carleson's biorthogonal system in H¹, T. Figiel's integral representation, W.B. Johnson's factorization of operators, B. Maurey's isomorphism, and P. Jones' proof of the uniform approximation property. An entire chapter is devoted to the study of combinatorics of colored dyadic intervals."
