الصفحة 12
الصفحة 12
Environmental Policy Instruments for Conserving Global Biodiversity
If you can believe, all things are possible to him who believes. —Mark 9:23 The current, unprecedented loss of global biodiversity as a result of anthropo genic interference in the world's ecosystems is affecting human well-being across the globe with increasing severity. It therefore represents a major chal lenge in international environmental policymaking. With the Convention on Biological Diversity (CBD), the community of states has recognized the in creasing importance of preserving biodiversity. Given the extensive context of biodiversity loss and preservation, this study focuses on two issues, which are at the center of the public discussion regarding the objectives of conservation and the sustainable use of biodiversity, and that are addressed by specific policy instruments. The first issue is the regulation of cross-border trade in genetic information and genetic resources. Here, the question is whether the commercial use of genetic information derived from bio diversity can create incentives for its preservation. The second issue involves the conservation of biodiversity through the protection of ecologically valuable eco systems from human use.
Environmental Effects of Afforestation in North-Western Europe : From Field Observations to Decision Support
Recognising the need for effective decision making in relation to land-use change, this timely book develops a series of tools for estimating the environmental impacts of afforestation. It also presents guidelines and decision support systems (DSS) to enable both policy makers and forest managers to maximize the benefits and minimize the adverse effects of afforestation. This book will provide a valuable resource for both graduate students and researchers in forest, environmental and biological sciences, as well as for landscape planners and policy makers involved in afforestation projects at local, regional and international levels.
Environmental and Microbial Relationships
After the publication of Volume IV in 1997, the introduction of molecular methods into ecology led to significant new findings. Emphasizing these advances, the chapters for the second edition have been completely updated and revised. This volume provides insight into current research on fungal populations and communities. It focuses on fungal responses to the physical environment, interactions with other fungi, microorganisms and invertebrates, the role of fungi in ecosystem processes such as decomposition and nutrient cycling, and aspects of biogeography and conservation. Several chapters deal with various applications in, e.g. biological pest control, natural products discovery, and the degradation of toxic organic compounds. This is an invaluable source of information both for scientists who wish to update their knowledge of current progress and for graduate students interested in obtaining a first overview of this field of research.
Enhancing the Dissolution Rate of Atorvastatin by Solid Dispersion Technique
In the last few decades, solid dispersion (SD) technology had been studied as an approach to produce an amorphous carrier to enhance the solubility, dissolution rate, and bioavailability of poorly water-soluble drugs. The use of suitable carrier and methodology in the preparation of SDs play a significant role in the biological behavior of the SDs. Atorvastatin is a statin group HMG-CoA reductase inhibitor drug that is commonly used to adverse cardiovascular events and to lower blood total cholesterol and LDL-cholesterol. the solubility of atorvastatin in water is very low (0.1 mg mL− 1), which results in reduced bioavailability. In order to enhance its solubility, we have prepared solid dispersions (SDs) of atorvastatin at different drug: polymer ratios (1:2, 1:10, 1:20,1:25 and 1:40), using polyethylene glycol 6000 as polymer and different preparation methods (co-precipitate and melting methods) The characterization of the SDs was performed using differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) The solubility of AT was improved by the incorporation PEG6000.
Engineering of Functional Skeletal Tissues
This volume discusses current knowledge of bone replacement. It is designed to integrate biological and engineering knowledge. The biology of stem cells and cell signals, knowledge needed to make stem cell engineered bone tissue a reality and how to prevent bone allograft infection is discussed. In addition, non-degradable and biodegradable scaffolds, necessary implants to attract bone cells and to build suitable bone replacements follows. Other topics include motion and bone degeneration analysis and how mechanical factors affect bone healing, implants and how they have become a major tool in reparative dentistry and the application of computational modeling to prosthesis design.
Endosomes
Endosomes are a heterogeneous population of endocytic vesicles and tubules that have captivated the interest of biologists for many years, partly due to their important cellular functions and partly due to their intriguing nature and dynamics. Endosomes represent a fascinating interconnected network of thousands of vesicles that transport various cargoes, mainly proteins and lipids, to distant cellular destinations. How endosomes function, what co-ordinates the molecular determinants at each step of their dynamic life cycle and what their biological and medical relevance is, are among the questions addressed in this book.
Endodontic Microbiology ; 2nd ed.
Presents a comprehensive reference to the microbiology, pathogenesis, management, and healing of endodontic pathosis, emphasizing the importance of biological sciences in understanding and managing endodontic disease and its interaction with systemic health. Provides a major revision to the first book to focus on the problems related to microbes in the root canal and periapical tissues. Updates current knowledge in endodontic pathosis, especially regarding next generation sequencing and microbial virulence. Presents useful diagrams, images, radiographs, and annotated histological images to illustrate the concepts. Emphasizes the importance of biological science in understanding and managing endodontic disease. Includes contributions from the leading researchers and educators in the field
Encyclopedia of South American Aquatic Insects : Odonata - Anisoptera : Illustrated Keys to Known Families, Genera, and Species in South America
To help readers understand naming conventions, a brief introductory biological review of the group includes illustrations of the main morphological features as well as explanations of alternative systems for naming the wing veins and other structures.
Encyclopedia of Entomology
Brings together the expertise of more than 450 distinguished entomologists from 40 countries to provide a worldwide overview of insects and their close relatives. Combining the basic science of an introductory text with accurate, comprehensive detail, the Encyclopedia is a reliable first source of reference for students and working professionals. Coverage includes insect classification, behavior, ecology, genetics and evolution, physiology, and management, and references to relevant literature. All the major arthropod groups are addressed, along with many important families and species. The Encyclopedia places special emphasis on insect relationships with people, medical entomology, biological control and insect pathology. This important work also presents biographical sketches of hundreds of entomologists who have made important contributions to the discipline since its origin. The new Second Edition is fully indexed, and includes more than 120 color plates.The four-volume Encyclopedia of Entomology is a handy desk-top reference for entomologists, and a valuable source of information for scientists and students in agronomy, botany, disease biology, ecology, evolutionary biology, forestry, genetics, horticulture, parasitology, toxicology, and zoology. It is also available as an easily accessible, fully searchable online reference.
Emerging Topics in Heat and Mass Transfer in Porous Media : From Bioengineering and Microelectronics to Nanotechnology
This book provides a unique collection of articles reviewing the state-of-the-art in the field of heat and mass transfer in porous media with particular emphasis to emerging technologies, from bioengineering and bio-tissues and microelectronics to nanotechnology.
Electronic Irradiation of Foods : An Introduction to the Technology
Electronic Irradiation of Foods describes all the key aspects of electron accelerator technology in detail. It emphasizes the physical science and technology aspects of food irradiation using machine sources of ionizing radiation. The book provides significant technical depth for interested workers and present descriptive, introductory material that should help demystify technology for businessmen to make informed choices regarding important investments decisions.Introductory chapters summarize the effects of ionizing radiation on biological organisms and the organic compounds comprising foods, and give an overview of the food irradiation process. Subsequent chapters cover the details of the electron beam and x-ray energy deposition, electron accelerator technologies, beam scanning systems, material handling systems, shielding design, and process control considerations. Important appendices cover radiation dosimetry, induced radioactivity, and ozone generation.
Electron Tomography : Methods for Three-Dimensional Visualization of Structures in the Cell
Electron tomography has become a standard technique with applications in cell biology, structural biology, and materials science. This definitive work provides a comprehensive treatment of the mathematical background and working methods of three-dimensional reconstruction from tilt series, with special emphasis on the problems presented by limitations of data collection in the transmission electron microscope. In addition to chapters that are applicable to 3D reconstruction in all fields of science, such as radiological imaging in medicine and electron tomography in materials science, Electron Tomography also focuses on specimen preparation and imaging unique to biological electron microscopy.
Electromagnetics in Biology
In this book, the authors intended to focus their effort on describing (1) biological responses of human and animals, both in vivo and in vitro methodologies, to magnetic and/or electromagnetic field exposure, (2) characteristics of effective fields, (3) hypotheses to explain possible mechanisms of interaction between the fields and cells, and (4) induced current in ELF and induced heat in RF fields as key interaction mechanisms. The readers can have the present-day comprehensive knowledge about biological responses to electromagnetic field exposure.
Electromagnetic Aquametry : Electromagnetic wave interaction with water and moist substances
This book covers all aspects of Electromagnetic Aquametry. It summarizes the wide area of metrology and its applications in electromagnetic sensing of moist materials. The physical properties of water in various degrees of binding interacting with electromagnetic fields is presented by model systems. The book describes measurement methods and sensors in the frequency domain, TDR-techniques for environmental problems, methods and sensors for quality assessment of biological substances, and nuclear magnetic resonance techniques
Electrochemistry of Immobilized Particles and Droplets
Immobilizing particles or droplets on electrodes is a novel and most powerful technique for studying the electrochemical reactions of three-phase systems. It gives access to a wealth of information, ranging from quantitative and phase analysis to thermodynamic and kinetic data of electrode processes. Three-phase electrodes with immobilized droplets provide information on the electrochemistry of redox liquids and of compounds dissolved in inert organic liquids. Such measurements allow the determination of the Gibbs energies of the transfer of cations and anions between immiscible solvents, and thus make it possible to assess the hydrophobicity of ions – a property that is of great importance for pharmaceutical applications, biological studies, and for many fields of chemistry.The monograph gives, for the first time, a comprehensive overview of the results published in more than 300 papers over the last 15 years. The experiments are explained in detail, applications from many different fields are presented, and the theoretical basis of the systems is outlined.
Electroactive Polymers for Robotic Application : Artificial Muscles and Sensors
Electroactive polymers (EAPs) respond to electrical stimulation with large deformations. They are dynamic actuators which have attracted attention from an interdisciplinary audience of engineers and scientists. An enabling EAP technology is emerging which attempts to imitate the properties of natural muscle and which, as a result, can perform a unique function in a variety of biologically-inspired robotics applications. Electroactive Polymers for Robotics Applications covers the fundamental properties, modelling and demonstration of EAPs in robotic applications, focusing particularly on artificial muscles and sensors. Ionic Polymer–Metal Composite Actuators and Dielectric Elastomers are discussed within the book with chapters on their properties and their uses in robotics applications.
Efficient Learning Machines : Theories, Concepts, and Applications for Engineers and System Designers
Machine learning techniques provide cost-effective alternatives to traditional methods for extracting underlying relationships between information and data and for predicting future events by processing existing information to train models. Efficient Learning Machines explores the major topics of machine learning, including knowledge discovery, classifications, genetic algorithms, neural networking, kernel methods, and biologically-inspired techniques.
Efficiency in Natural Product Total Synthesis
Uniting the key organic topics of total synthesis and efficient synthetic methodologies, this book clearly overviews synthetic strategies and tactics applied in total synthesis, demonstrating how the total synthesis of natural products enables scientific and drug discovery. • Focuses on efficiency, a fundamental and important issue in natural products synthesis that makes natural product synthesis a powerful tool in biological and pharmaceutical science • Describes new methods like organocatalysis, multicomponent and cascade reactions, and biomimetic synthesis
Effector-triggered immunity : methods and protocols
Presents a collection of protocols to study effector-triggered immunity (ETI) in both plants and animals from eminent groups in the field. Cover topics such as genetic manipulation of plant and animal pathogens, host cells, and the analysis of key host responses; and techniques used for the analysis of inflammasome activation, cell death pathways, and mitochondria damage in response to pathogens. All of these topics cover a broad spectrum of immunological, biochemical, cell biological, and structural biology approaches to examine ETI.
Effect of Clove essential oil and Rosemary aqueous extract for future promising triple acting gel
In this study, antimicrobial properties of rosemary essential oil (Rosmarinus officinalis-REO), rosemary aqueous extract, clove essential oil (Syzygium aromaticum-CEO) and their mixtures (REO/CEO) at 10% and 20% concentration for each one have been evaluated. The agar well diffusion method has been used for screening the antimicrobial activity against Staphylococcus aureus, Staphylococcus albus, Streptococcus, Enterococcus Salmonella, Escherichia coli, Acinetobacter, Pseudomonas aeruginosa, Candida albicans In Staph. Aureus, Salmonella, E.coli, Acinetobacter and p.aeruginosa...
