الصفحة 96
الصفحة 96
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Biodiversity Conservation and Phylogenetic Systematics : Preserving our evolutionary heritage in an extinction crisis

This book brings an updated state of the art of phylogenetic diversity in conservation biology. Nineteen chapters written by scientists from research institutions of fourteen countries demonstrate that approaches for preserving the evolutionary heritage are now very tuned into human impacts and sustainability issues. The questions, methods and applications around which it is organized show the importance of phylogenetic diversity in avoiding biodiversity losses in the present extinction crisis. They touch important points such as the way we value phylogenetic diversity, the importance of thinking at a much wider sample of the Tree of Life, the choice of adequate measures. In methods section, new solutions, such as dealing with abundances, sampling effort, or with information coming from conflicting phylogenetic trees are provided. Application section includes study cases of different groups of organi

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Biochemistry

Biochemistry and the organization of cells -- Water : the solvent for biochemical reactions -- Amino acids and peptides -- The three-dimensional structure of proteins -- Protein purification and characterization techniques -- The behavior of proteins : enzymes -- The behavior of proteins : enzymes, mechanisms, and control -- Lipids and proteins are associated in biological membranes -- Nucleic acids : how structure conveys information -- Biosynthesis of nucleic acids : replication -- Transcription of the genetic code : the biosynthesis of RNA -- Protein synthesis : translation of the genetic message -- Nucleic acid biotechnology techniques -- Viruses, cancer, and immunology -- The importance of energy changes and electron transfer in metabolism -- Carbohydrates -- Glycolysis

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Biochemical Mechanisms of Detoxification in Higher Plants : Basis of Phytoremediation

Plants play a key role in purifying the biosphere of the toxic effects of industrial activity. This book shows how systematic application of the results of investigations into the metabolism of xenobiotics (foreign, often toxic substances) in plants could make a vastly increased contribution to planetary well-being. Deep physiological knowledge gained from an accumulation of experimental data enables the great differences between the detoxifying abilities of different plants for compounds of different chemical nature to be optimally exploited. Hence planting could be far more systematically adapted to actual environmental needs than is actually the case at present.

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Bioactive Molecules and Medicinal Plants

Use of medicinal plants is as old as human civilization and continuous efforts are being made to improve medicinal plants or produce their products in high amounts through various technologies. About 200,000 natural products of plant origin are known and many more are being identifed from higher plants and microorganisms. Some plant-based drugs have been used for centuries and there is no alternative medicine for many drugs, such as cardiac glycosides. However, natural products research was sidelined to pave the way for com- natorial chemistry, which was expected to produce large numbers of synthetic compounds for high-throughput screening (HTS). This line of work has failed to deliver desirable results. Moreover, it is not possible for all pharmaceutical companies and institutions to adopt costly HTS technology. Therefore, medi- nal plants and their bioactive molecules are always in demand and are a central point of research. While planning this book, we endeavored to incorporate - ticles that cover the entire gamut of current medicinal plants research.

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Bioactive Marine Natural Products

Bioactive Marine Natural Products is the first book available that covers all aspects of bioactive marine natural products. It fills the void in the literature for bioactive marine natural products. The book covers various aspects of marine natural products and it is hoped that all the major classes of bioactive compounds are included. Different classes of marine organisms and the separation and isolation techniques are discussed. The chemistry and biology of marine toxins, peptides, alkaloids, nucleosides and prostanoids are discussed in detail. Biological, toxicological and clinical evaluations are also dealt with to ensure that the book may be adopted at any stage by any practicing organic chemist or biologist, working in academia or in R&D divisions of pharmaceutical companies. Each chapter in the book includes an abstract to highlight the major points discussed in the text and concluding remarks are given. References to books, monographs, review articles and original papers are provided at the end of each chapter.

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Bioactive Heterocycles V

This volume contains 10 chapters. The contributions are from researchers famous in their respective fields and the chapters contain high quality reviews on topics related to the chemo-biological studies of several different heterocyclic groups. The first chapter from Saracoglu reviews the functionalization of indoles and the pyrroles via Michael additions, as these compounds have potential for their biological activities. In second chapter Men ́endez reviews the chemistry of the welwitindolinones. Topcu and Demirkiran, in the third chapter, describe the chemistry and biological studies of lignans from Taxus species, including their biosynthesis and recent strategies for the synthesis of lignans.

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Bioactive Heterocycles IV

This volume contains nine more contributions from expert researchers of the?eld, providing readers with in depth and current research results regarding therespective topics. In the?rst chapter, Flemming et al. review the chemistry, biosynthesis, metabolism and biological activities of tetrahydrocannabinol and its deri- tives. Hansch and Verma contribute to the quantitative structure-activity re- tionship (QSAR) analysis of heterocyclic topoisomerase I and II inhibitors. These inhibitors, knowntoinhibit either enzyme, actasantitumoragentsand are currently used in chemotherapy and in clinicaltrials. In the third chapter, Khan reviews some aspects of molecular modeling studies on biologically active alkaloids.

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Bioactive Heterocycles III

Bioactive Heterocycles III provides readers with a comprehensive overview of the most recent breakthroughs in the ?eld of heterocycles. This volume contains 8 chapters written by experts in their respective ?elds from all over the world. The chapters summarize years of extensive research in each area, and providein sight in the new themesofnaturalproduct research.Manyofthe contributors illustrate their laboratory experiences. It's obvious that readers will gain exciting and essential information fromthe volume. In the ?rst chapter, Kayser et al. describe the chemistry, biosynthesis and biological activities of artemisinin, one of the most promising antimalarial molecules, and its related natural peroxides.

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Bioactive Heterocycles II

As part of the series Topics in Heterocyclic Chemistry, this volume titled Bio- tive Heterocycles II presents comprehensive and up-to-date reviews on selected topics regarding synthetic as well as naturally occurring bioactive heterocycles. The frst chapter, "High Pressure Synthesis of Heterocycles Related to Bio- tive Molecules" by Kiyoshi Matsumoto, presents a unique high-pressure s- thetic methodology in heterocyclic chemistry. Basic principles and fruitful examples for pericyclic reactions, such as Diels-Alder reactions, 1,3-dipolar reactions, and also for ionic reactions, such as S and addition reactions, are N discussed.

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Bioactive Conformation I

This series presents critical reviews of the present position and future trends in modern chemical research. It contains short and concise reports on chemistry, each written by the world renowned experts – it is still valid and useful after 5 or 10 years. More information as well as the electronic version of the whole content available at: springerlink.com. The book will appeal to scientists and practitioners in the mentioned fields and in industry.

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Bioactive Confirmation II

Specific binding of a ligand to a receptor is a key step in a variety of biol- ical processes, such as immune reactions, enzyme cascades, or intracellular transport processes. The ligand-receptor terminology implies that the rec- tor molecule is signi?cantly larger than the ligand, and the term "bioactive conformation" usually characterizes the conformation of a ligand when it is bound to a receptor. In a more general sense, bioactive conformation applies toanymoleculeinabiologicallyrelevantboundstateregardlessofsizecons- erations. Mostofthecontributions tothisbookaddressligandsthat aremuch smaller than their receptors. X-ray crystallography and high resolution NMR spectroscopy are the two main experimental techniques used to study bioactive conformations. The- fore, the twovolumes ofthisbookcover approachesthat use either ofthetwo techniques, or a combination thereof.

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Binary Rare Earth Oxides

The book begins with a brief introduction to binary rare earth oxides, their physical and chemical stabilities, polymorphism, crystal structures and phase transformation and the association with current applications. The book goes on to present the band structure of the oxides using several quantum chemical calculations, which belong to a newly developed area in the binary rare earth oxides. Central to this chapter are the characterizations of electrical, magnetic and optical properties, as well as details of single crystal growth and particle preparation methods that have progressed in recent years. Later chapters concentrate on thermo-chemical properties and trace determination techniques. The final chapter contains a variety of useful applications in various fields such as phosphors, glass abrasives, automotive catalysts, fuel cells, solid electrolytes, sunscreens, iron steels, and biological materials.

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Bigel : An innovative drug delivery system

Bigel is a promising drug delivery system that modifies the pharmacotherapeutic characteristics of knowing active pharmaceutical ingredient (API).It is a mix between hydrogel and organogel (oleogel). The objective of the present work demonstrates the ability of bigel to overcome the disadvan- tages of both types of gels, including the limited ability to cross lipophilic barriers of the skin for hydrogels and the low patient compliance for organogels due to their stickiness and oily residues. Materials andmethods : Carbomer934, PolyvinylpyrrolidoneK 90 and Castor oil where mixed in a high shear mixer using diferent weight percentages of each. Hence,13 for mulations (BG1 to BG13) prepared by simplex mixture design modelis used to study the inuenceofafore- mentioned ingredients on appearance, dynamicviscosity, pH, stability, microscopicstructure of bigel and to understand the chemical interactions between bigel components, Fouriertrans- form infrared (FTIR) analysis will bereported.

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Big Data and Global Trade Law

Explores the relevance of global trade law for data, big data and cross-border data flows. Contributing authors from different disciplines including law, economics and political science analyze developments at the World Trade Organization and in preferential trade venues by asking what future-oriented models for data governance are available and viable in the area of trade law and policy. The collection paints the broad picture of the interaction between digital technologies and trade regulation as well as provides in-depth analyses of critical to the data-driven economy issues, such as privacy and AI, and different countries' perspectives.

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Big data analytics and machine intelligence in biomedical and health informatics : Concepts, methodologies, tools and applications

Provides coverage of developments and state-of-the-art methods in the broad and diversified data analytics field and applicable areas such as big data analytics, data mining, and machine intelligence in biomedical and health informatics. Covers the latest advances and developments in health informatics, data mining, machine learning, and artificial intelligence. They have been organized with respect to the similarity of topics addressed, ranging from issues pertaining to the Internet of Things (IoT) for biomedical engineering and health informatics, computational intelligence for medical data processing, and Internet of Medical Things??(IoMT).

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Big Data : Conceptual Analysis and Applications

The book is devoted to the analysis of big data in order to extract from these data hidden patterns necessary for making decisions about the rational behavior of complex systems with the different nature that generate this data. To solve these problems, a group of new methods and tools is used, based on the self-organization of computational processes, the use of crisp and fuzzy cluster analysis methods, hybrid neural-fuzzy networks, and others. The book solves various practical problems. In particular, for the tasks of 3D image recognition and automatic speech recognition large-scale neural networks with applications for Deep Learning systems were used.

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BGA International conference on foundations : Innovations, observations, design and practice ; Proceedings of the international conference organised by British Geotechnical Association and held in Dundee, Scotland on 2 – 5th September 2003

Although foundation engineering is recognised as a mature discipline with geotechnics, the diversity of applications and studies evident in this book demonstrates that the field is still developing and will continue to provide challenges for engineers for many years.

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Beyond the apparent Banality of the mathematics classroom

New research in mathematics education deals with the complexity of the mathematics’ classroom. The classroom teaching situation constitutes a pertinent unit of analysis for research into the ternary didactic relationship which binds teachers, students and mathematical knowledge. The classroom is considered as a complex didactic system, which offers the researcher an opportunity to gauge the boundaries of the freedom that is left with regard to choices about the knowledge to be taught and the ways of organizing the students’ learning, while giveing rise to the study of interrelations between three main elements of the teaching process the: mathematical content to be taught and learned, management of the various time dimensions, and activity of the teacher who prepares and manages the class, to the benefit of the students' knowledge and the teachers' own experience.

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Between Peace and Conflict in the East and the West : Studies on Transformation and Development in the OSCE Region

This book features various studies on democratization, transformation, socio-economic development, and security issues in the Organization for Security and Cooperation in Europe (OSCE) geographical region and beyond. Written by experts and scholars working in the field of human dimension, security, transformation and development in Europe and Asia, particularly in post-soviet and communist countries, it examines the connectivity that the OSCE provides between the East and the West.

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Best of Detail : Fassaden / Facades : Architectural highlights from DETAIL on the topic 'Facades' - best of DETAIL

The facade serves as the building's public face, allowing rapid assessment of its architecture. 'Best of Detail: Facades' explores this topic with theoretical discussions and an in-depth look at a range of selected projects, which, besides showcasing suitable materials and designs, give the reader a detailed look behind the scenes. It turns out that quality architecture can only result from a coherency between the facade, structure, internal organisation and building services design elements that interact directly with each other. This presents the architect with enormous challenges, particularly as the unity between the exterior and interior is no longer a given, as today's range of materials and design possibilities offer nearly limitless creativity.

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