الصفحة 21
الصفحة 21
Frontiers in Chemical Sensors : Novel Principles and Techniques
With their similarity to the organs of the most advanced creatures that inhabit the Earth, sensors are regarded as being the “senses of electronics”: arti?cial eyes and ears that are capable of seeing and hearing beyond the range of - man perception; electronic noses and tongues that can recognise odours and ?avours without a lifetime training; touch that is able not only to feel the texture and temperature of the materials but even to discern their chemical compo- tion. Among the world of chemical sensors, optical devices (sometimes termed “optodes”, from the Greek “the optical way”) have reached a prominent place in those areas where the features of light and of the light-matter interaction show their advantage: contactless or long-distance interrogation, detection sensitivity, analyte selectivity, absence of electrical interference or risks, and lack of analyte consumption,
Frontiers in Anti-Infective Drug Discovery ; Vol.9
Covers a range of topics including rational drug design and drug discovery, medicinal chemistry, in-silico drug design, combinatorial chemistry, high-throughput screening, drug targets, recent important patents, and structure-activity relationships. Frontiers in Anti-Infective Drug Discovery is a valuable resource for pharmaceutical scientists and post-graduate students seeking updated and critically important information for developing clinical trials and devising research plans in this field. The ninth volume of this series features 5 reviews that cover some aspects of clinical and pre-clinical antimicrobial drug development, with 2 chapters focusing on drugs to treat leishmaniasis and dengue fever, respectively. - Use of preclinical and early clinical data for accelerating antimicrobial drug development - Post-translational modifications: host defence mechanism, pathogenic weapon, and emerged target of anti-infective drugs - Scope and limitations on the potent antimicrobial activities of hydrazone derivatives - Current scenario of anti-leishmanial drugs and treatment - Dengue hemorrhagic fever: the potential repurposing drugs
From Suns to Life: : A Chronological Approach to the History of Life on Earth
This review emerged from several interdisciplinary meetings and schools gathering a group of astronomers, geologists, biologists, and chemists, attempting to share their specialized knowledge around a common question: how did life emerge on Earth? Their ultimate goal was to provide some kind of answer as a prerequisite to an even more demanding question: is life universal? The main chapters of this review present the formation and evolution of the solar system (3); the building of a habitable planet (4); prebiotic chemistry, biochemistry, and the emergence of life (5); the environmental context of the early Earth (6); and the ancient fossil record and early evolution (7). The concluding chapter (9) provides the highlights of the review and presents the different points of view about the universality of life. Two pedagogical chapters are included; one on chronometers (2), another in the form of a "frieze" (8) which summarizes in graphical form the present state of knowledge about the chronology of the emergence of life on Earth, before the Cambrian explosion.
From herbs to healing : Pharmacognosy - phytochemistry - phytotherapy - biotechnology
Demonstrates the place of phytotherapy in healing, the role of herbs in complementary and traditional therapy, and research strategies for the development of drugs of natural plant origin. This book is primarily designed for scientific researchers, but is also very useful for undergraduate and postgraduate students in their professional training. As this book discusses herbs from all over the world, it is specifically drafted to be useful not only in Hungary and Europe, but also for people in other continents as an English language encyclopaedia of medicinal plants and their biologically active compounds.
From Fossils to Astrobiology : Records of Life on Earth and Search for Extraterrestrial Biosignatures
From Fossils to Astrobiology reviews developments in paleontology and geobiology that relate to the rapidly-developing field of Astrobiology, the study of life in the Universe. Many traditional areas of scientific study, including astronomy, chemistry and planetary science, contribute to Astrobiology, but the study of the record of life on planet Earth is critical in guiding investigations in the rest of the cosmos. In this varied book, expert scientists from 15 countries present peer-reviewed, stimulating reviews of paleontological and astrobiological studies. The overviews of established and emerging techniques for studying modern and ancient microorganisms on Earth and beyond, will be valuable guides to evaluating biosignatures which could be found in the extraterrestrial surface or subsurface within the Solar System and beyond.
Free-Radical-Induced DNA Damage and Its Repair : A Chemical Perspective
Understanding of the molecular basis of DNA damage and its repair has increased dramatically in recent years, and substantial knowledge now exists concerning the products arising from free-radical attack on DNA. Free-radical DNA damage may lead to mutations, cancer, and cell death. Free radicals have various sources, notably ionizing radiation and oxidative stress. In radiotherapy for cancer and with some anticancer drugs, use is made of cell death by excessive DNA damage. The mechanisms leading to products of free-radical attack which have been studied in models and with small double-stranded DNA fragments are discussed in detail, and the basics of the underlying free-radical chemistry are dealt with in separate chapters.
Free Energy Calculations : Theory and Applications in Chemistry and Biology
This volume sets out to present a coherent and comprehensive account of the concepts that underlie different approaches devised for the determination of free energies. The reader will gain the necessary insight into the theoretical and computational foundations of the subject and will be presented with relevant applications from molecular-level modelling and simulations of chemical and biological systems. Both formally accurate and approximate methods are covered using both classical and quantum mechanical descriptions. A central theme of the book is that the wide variety of free energy calculation techniques available today can be understood as different implementations of a few basic principles.
Fracture Mechanics of Ceramics ; Active Materials, Nanoscale Materials, Composites, Glass, and Fundamentals
The 8th International Symposium on fracture mechanics of ceramics was held in on the campus of the University of Houston, Houston, TX, USA, on February 25-28, 2003. With the natural maturing of the fields of structural ceramics, this symposium focused on nano-scale materials, composites, thin films and coatings as well as glass. The symposium also addressed new issues on fundamentals of fracture mechanics and contact mechanics, and a session on reliability and standardization.
Fortschritte der Chemie organischer Naturstoffe 89 = Progress in the chemistry of organic natural products
The volumes of this classic series, now referred to simply as "Zechmeister" after its founder, L. Zechmeister, have appeared under the Springer Imprint ever since the series' inauguration in 1938. The volumes contain contributions on various topics related to the origin, distribution, chemistry, synthesis, biochemistry, function or use of various classes of naturally occurring substances ranging from small molecules to biopolymers. Each contribution is written by a recognized authority in his field and provides a comprehensive and up-to-date review of the topic in question. Addressed to biologists, technologists, and chemists alike, the series can be used by the expert as a source of information and literature citations and by the non-expert as a means of orientation in a rapidly developing discipline.
Fortschritte der Chemie organischer Naturstoffe = Progress in the chemistry of organic natural products 88
The volumes of this classic series, now referred to simply as "Zechmeister" after its founder, L. Zechmeister, have appeared under the Springer Imprint ever since the series' inauguration in 1938. The volumes contain contributions on various topics related to the origin, distribution, chemistry, synthesis, biochemistry, function or use of various classes of naturally occurring substances ranging from small molecules to biopolymers. Each contribution is written by a recognized authority in his field and provides a comprehensive and up-to-date review of the topic in question. Addressed to biologists, technologists, and chemists alike, the series can be used by the expert as a source of information and literature citations and by the non-expert as a means of orientation in a rapidly developing discipline.
Formulating poorly water soluble drugs
A pharmaceutical scientist’s approach toward solubility enhancement of a poorly water-soluble molecule typically includes detailed characterization of the compound’s physiochemical properties, solid-state modifications, advanced formulation design, non-conventional process technologies, advanced analytical characterization, and specialized product performance analysis techniques. The scientist must also be aware of the unique regulatory considerations pertaining to the non-conventional approaches often utilized for poorly water-soluble drugs. One faced with the challenge of developing a drug product from a poorly soluble compound must possess at a minimum a working knowledge of each of the above mentioned facets and detailed knowledge of most. In light of the magnitude of the growing solubility problem to drug development, this is a significant burden especially when considering that knowledge in most of these areas is relatively new and continues to develop.
Formulas, ingredients and production of cosmetics technology of skin- and hair-care products in Japan
Provides the comprehensive knowledge and instruction necessary for researchers to design and create cosmetics products. The book’s chapters cover a comprehensive list of topics, which include, among others, the basics of cosmetics, such as the raw materials of cosmetics and their application; practical techniques and technologies for designing and manufacturing cosmetics, as well as theoretical knowledge; emulsification; sensory evaluations of cosmetic ingredients; and how to create products such as soap-based cleansers, shampoos, conditioners, creams, and others. The potential for innovation is great in Japan’s cosmetics industry. This book expresses the hope that the high level of dedicated research continues and proliferates, especially among those who are innovators at heart.
Forest and Rangeland Soils of the United States Under Changing Conditions : A Comprehensive Science Synthesis
This book synthesizes leading-edge science and management information about forest and rangeland soils of the United States. It offers ways to better understand changing conditions and their impacts on soils, and explores directions that positively affect the future of forest and rangeland soil health.
Force Sensors for Microelectronic Packaging Applications
This monograph is intended for wire bonding and flip-chip packaging professionals and for scientists and engineers working in the field of mechanical microsensors. New measurement technologies are introduced that allow in situ and real-time examination of physical processes during the packaging process or during subsequent reliability tests. The measurement system presented here enables measurements at formerly inaccessible packaging interconnects. For the first time it becomes possible to describe the wire bonding process window in terms of the physical forces at the contact zone instead of the applied machine settings. This is significant for a deeper understanding of these packaging processes. Applications of the sensor in the field of wire bonding and flip-chip characterization are illustrated. The reader will gain much insight into the important field of interconnection technology in semiconductor packaging.
Foodborne Parasites
Microbiologists are being challenged as foodborne outbreaks are increasingly being observed worldwide. Most of these outbreaks are associated with viral and bacterial pathogens such as Campylobacter, Salmonella, and lately Escherichia coli O157:H7.Foodborne Parasites examines the two major parasite groups that are transmitted via water or foods: the protozoa, which are single celled organisms, and the helminths. The helminths are classified in three sub groups: cestodes (tapeworms), nematodes (round worms), and trematodes (flukes). To better understand their significance, each chapter covers the biology, mechanisms of pathogenesis, epidemiology, treatment, and inactivation of these parasites.
Foodborne Microbial Pathogens : Mechanisms and Pathogenesis
The author presents up-to-date information on molecular and cellular mechanism of several major foodborne microbial pathogens, including select agents for bioterrorism, virulence genes and their regulation in the host or the food environment, pathogenicity testing models, clinical symptoms, and prevention and control strategies. In order to understand the disease process, one must have certain understanding about the role of the immune system. Thus this book also covers the host parasite interaction to a level where the readers will have a better appreciation for the disease mechanism.
Food Safety Culture : Creating a Behavior-Based Food Safety Management System
Food safety awareness is at an all time high, new and emerging threats to the food supply are being recognized, and consumers are eating more and more meals prepared outside of the home. Accordingly, retail and foodservice establishments, as well as food producers at all levels of the food production chain, have a growing responsibility to ensure that proper food safety and sanitation practices are followed, thereby, safeguarding the health of their guests and customers. Achieving food safety success in this changing environment requires going beyond traditional training, testing, and inspectional approaches to managing risks. It requires a better understanding of organizational culture and the human dimensions of food safety. To improve the food safety performance of a retail or foodservice establishment, an organization with thousands of employees, or a local community, you must change the way people do things. You must change their behavior. In fact, simply put, food safety equals behavior.
Food Safety : A Practical and Case Study Approach
The ISEKI-Food book series is a collection where various aspects of food safety and environmental issues are introduced and reviewed by scientists specializing in the field. In all of the books special emphasis is placed on including case studies applicable to each specific topic. The books are intended for graduate students and senior level undergraduate students as well as professionals and researchers interested in food safety and environmental issues applicable to food safety."ISEKI-Food" is an acronym for "Integrating Safety and Environmental Knowledge Into Food Studies".
Food powders : Physical properties, processing, and functionality
Food Powders: Physical Properties, Processing, and Functionality is a comprehensive review on the characterization of ingredients, semi-processed and finished products when they are in a powdered form. It includes the description of different industrial unit operations such as drying, grinding, mixing, agglomeration, and encapsulation that supply food powders of different composition and microstructure. It also includes several analytical tools to characterize food powders by their particle size, size distribution, physical properties, and functionality.
Food physics : Physical properties : Measurement and applications
Food Physics deals with the physical properties of food, food ingredients and their measurement. Physical properties of food play a key role in all fields where modern technological processes are applied for the generation of food raw materials and the production of food. The determination of physical properties of food and related products are a pre-requisite for planning, production engineering and automation processes in today’s food, pharmaceutical and cosmetics industries as well as in all related quality control activities.This book describes the principles of food physics starting with the very basics and focuses on the needs of practitioners without omitting important basic principles.
