الصفحة 7
الصفحة 7
Natures Principles
One of the most basic problems in the philosophy of science involves determining the extent to which nature is governed by laws. This volume presents a wide-ranging overview of the contemporary debate and includes some of its foremost participants. It begins with an extensive introduction describing the historical, logical and philosophical background of the problems dealt with in the essays. Among the topics treated in the essays is the relationship between laws of nature and causal laws as well as the role of ceteris paribus clauses in scientific explanations. Traditionally, the problem of the unity of science was intimately connected to the problem of understanding the unity of nature. This fourth volume of Logic, Epistemology, and the Unity of Science tackles these problems as part of our consideration of the most fundamental aspects of scientific understanding.
Natural product experiments in drug discovery
Explores a wide range of evidence-based complementary medicine and various bio-analytical techniques used to define botanical products. Collecting recent work and current developments in the field of contemporary phytomedicine as well as their future possibilities in human health care, the book includes unique contributions in the form of chapters on phytomedicine and screening biological activities explained with diverse hyphenated techniques, as well as issues related to herbal medications, such as efficacy, adulteration, safety, toxicity, regulations, and drug delivery. Written for the Springer Protocols Handbooks series, chapters feature advice from experts on how to best conduct future experiments. Extensive and practical, Natural Product Experiments in Drug Discovery serves as an ideal reference for students, professors, and researchers in universities, R&D institutes, pharmaceutical and herbal enterprises, and health organizations.
Natural poisons and venoms: Plant toxins : Polyketides, phenylpropanoids and further compounds
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural poisons and venoms : Animal toxins
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural poisons and venom : Plant toxins : Terpenes and steroids
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural occurrence and biological activities of quinoline derivatives
Provides a comprehensive overview of quinoline derivatives, focusing on their chemical structure, biological activities, and therapeutic benefits. It delves into the natural sources of these derivatives, covering their isolation, characterization, and potential therapeutic applications, particularly in areas such as anti-cancer, anti-inflammatory, antimicrobial, and antimalarial activity. With its emphasis on providing valuable reference material, this book is an indispensable resource for researchers, educators, and professionals in the fields of chemistry, biology, pharmacology, and drug discovery.
Natural language and information systems ; 13th International Conference on Applications of Natural Language to Information Systems, NLDB 2008 London, UK, June 24-27, 2008 Proceedings
This volume contains the papers presented at NLDB 2008, the 13th Inter- tional Conference on Natural Language and Information Systems, held June 25-27,2008.It also containssome of the best researchproposalsas submitted to the NLDB2008 doctoral symposium heldonJune24,2008.Theprogrammealso includes three invited talks covering the main perspectives of the application of naturallanguageto informationsystems: the wayhumansprocess, communicate and understand natural language, what are the implications and challenges - wardssemanticsearchfor the new Webgeneration, how naturallanguageapplies to the well-established database way of querying as a means to unlock data and information for end users.
Natural building techniques : A guide to ecological methods and materials
Natural materials are increasingly being valued for their use in a wide range of techniques and solutions, not just for building cabins in the countryside, but also for housing, schools and city structures. As the need to respond to climate change becomes a serious requirement for all building projects, so too does our understanding of how these bio-based and renewable materials can help to reduce carbon emissions. With convincing evidence that natural materials work as well as, if not better than, conventional materials, this helpful guide offers an outline of many of the materials, products and methods of construction that are available, equipping readers with confidence to create healthy, ecological homes.
Natural anti-depressant drugs
Mental health problem and neurological disorders are a serious public health concern globally with more than one billion sufferers worldwide. Depression, anxiety, stress, and other mental disorders, which are on the rise worldwide, are indications that pharmacological therapy can have serious adverse effects, which is why many patients prefer to use herbal products to treat these symptoms. Because pharmacotherapy of depression is a long-term process associated with the risk of numerous adverse drug effects, much attention is paid to alternative therapy methods, including phytopharmacotherapy, especially in treating mild or moderate depression.
NATO and terrorism catastrophic terrorism and first responders : Threats and mitigation
In this important new book a group of experts represents the current knowledge on the various terrorism threats to first responders resulting from the novel use of conventional weapons, as well radiological, nuclear, biological and chemical weapons. Also, the current situation in selected countries of different sizes and practical experience with terrorism countermeasures (Austria, Israel, Slovenia, Russia, U.S.) is reviewed, focusing on the national operational logistics and the individual needs for improving the present situation. Finally, this book offers innovative solutions to strengthen the level of protection of the first responders, culminating in fifty-one practically applicable recommendations
National Systems of Innovation in Comparison : Structure and Performance Indicators for Knowledge Societies
The book documents major elements of the joint work of eight leading German institutes, elaborated in the context of a regular annual report on Germany's technological performance. It provides much more than the pure compilation of quantitative indicators for international benchmarking, but gives support to an appropriate interpretation of the referring results and suggests relevant conclusions for innovation policy. A special focus is on Germany; so the book also aims at non-German readers interested in specific features of the German innovation system.
Nanotechnology-Enabled Sensors
Nanotechnology provides us with tools to create functional materials, devices, and systems by controlling materials at the atomic and molecular scales, and at the same time make use of novel properties and phenomena. Considering that most chemical and biological sensors, as well as many physical sensors, depend on interactions occurring within the nano scale range, the impact that nanotechnology will have on the sensor world is significant. Nanotechnology enabled sensors find applications in several novel fields such as sensing single molecules, bio-hazards, toxic chemicals, gas sensors, process control and diagnostics.
Nanotechnology ¿ Toxicological Issues and Environmental Safety and Environmental Safety
Nanotechnology is one of the fastest growing technological fields of the 21st century. Nanotechnologies will impact numerous industries, including daily consumer products, health care, energy, and transportation. However, the success of the emerging nanotechnology applications will depend on dynamic development of nanomaterial toxicology, risk and exposure assessment. Little is known about the potential adverse health and ecological effects of exposure to engineered nanomaterials, the main components of many nanotechnologies. Concerns are coming from the initial toxicological studies as well as the research and epidemiological reports on ultrafine particle toxicity. This book provides a summary of the state-of-art knowledge on nanomaterials and nanoparticles – toxicological issues; risk assessment and control measures.
Nanotechnology : Assessment and Perspectives
A new definition of Nanotechnology by the authors is used as an anchor for the various sections of the book. This leads to an integrated text reflecting the multidimensional challenges occurring around Nanotechnology. The most important results of the study are transferred into acting recommendations concerning scientific progress, industrial relevance, economic potential, educational needs, potential adverse health effects and philosophical aspects of Nanotechnology.
Nanotechnologies, Hazards and Resource Efficiency : A Three-Tiered Approach to Assessing the Implications of Nanotechnology and Influencing its Development
Nanotechnology is frequently described as an enabling technology and 1 fundamental innovation, i.e. it is expected to lead to numerous innovative developments in the most diverse fields of technology and areas of app- cation in society and the marketplace. The technology, it is believed, has the potential for far-reaching changes that will eventually affect all areas of life. Such changes will doubtlessly have strong repercussions for society and the environment and bring with them not only the desired and intended effects such as innovations in the form of improvements to products, pr- esses and materials; economic growth; new jobs for skilled workers; relief for the environment; and further steps toward sustainable business, but also unexpected and undesirable side effects and consequences.
Nanostructured Coatings
Controlling the performance of structures and components of all sizes and shapes through the use of engineered coatings has long been a key strategy in materials processing and technological design. The ever-increasing sophistication of en- neered coatings and the rapid trend toward producing increasingly smaller devices with greater demands on their fabrication, properties and performance have led to signicant progress in the science and technology of coatings, particularly in the last decade or two. Nanostructured coatings constitute a major area of sci- ti?c exploration and technological pursuit in this development.Nanostructured coatings demand study in a highly interdisciplinary research arena which encompasses: surface and interface science study of defects modern characterization methodologies cutting-edge experimental developments to deposit.
Nanostructured and advanced materials for applications in sensor, optoelectronic and photovoltaic technology ; Proceedings of the NATO Advanced Study Institute on nanostructured and advanced materials for applications in sensors, optoelectronic and photovoltaic technology ; Sozopol, Bulgaria, 6-17 September 2004
Nanotechnology is an emerging scientific field receiving significant worldwide attention. On a nanometer scale, materials or structures may possess new and unique physical properties. Some of these are now known to the scientific community, but there may well be many properties not yet known to us, rendering it as a fascinating area of research and a suitable subject for a NATO ASI. Yet another aspect of the field is the possibility for creating meta-stable phases with unconventional properties and the ultra-miniaturization of current devices, sensors, and machines. Such nanotechnological and related advanced materials have an extremely wide range of potential applications, viz. nanoscale electronics, sensors, optoelectronics, photonics, nano-biological systems, na- medicine, energy storage systems, etc. This is a wide-ranging subject area and therefore requires the formation of multi-disciplinary teams of physicists, chemists, materials scientists, engineers, molecular biologists, pharmacologists, and others to work together on the synthesis and processing of materials and structures, the understanding of their physical properties, the design and fabrication of devices.
Nanoscaled Semiconductor-on-Insulator Structures and Devices
This proceedings volume constitutes an archive of the contributions of the key-speakers who attended the NATO Advanced Research Workshop on “Nanoscaled Semiconductor-On-Insulator Structures and devices” held in the Tourist and Recreation Centre “Sudak” (Crimea, Ukraine) from 15 to 19 October 2006. The semiconductor industry has sustained a very rapid growth during the last three decades through impressive technological developments which have resulted in products with higher performance and lower cost per function. After many years of development it is now confidently predicted that semiconductor-on-insulator materials will enter and increasingly be used by manufacturing industry. The wider use of semiconductor (es- cially silicon) on insulator materials will not only enable the benefits of these materials to be demonstrated but, also, will drive down the cost of substrates which, in turn, will stimulate the development of other novel devices and applications.
Nanoscale Photonic Imaging
This book, edited and authored by a team of world-leading researchers, provides a broad overview of advanced photonic methods for nanoscale visualization, as well as describing a range of fascinating in-depth studies.
Nanoscale Phenomena : Basic Science to Device Applications
Nanotechnology is the result of the continuing technological trend toward device miniaturization and the characterization, manipulation, and fine control of structure and function at diminishing length scales. A large class of nanoscale materials can be stable even though they are far from the lowest-energy thermodynamic state, and many possess novel properties unattainable in bulk. These trends are supported by the increasing sophistication of characterization and fabrication tools such as the scanning tunneling microscope and the transmission electron microscope, which allow the resolution and manipulation of single atoms and molecules.
