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Books > Science & Mathematics > Chemistry > General
This book presents a broad range of technologies for sustainable agrochemistry, e.g. semiochemicals for pest management, nanotechnology for release of eco-friendly agrochemicals, and green chemistry principles for agriculture. It provides a concise introduction to sustainable agrochemistry for a professional audience, and highlights the main scientific and technological approaches that can be applied to modern agrochemistry. It also discusses various available technologies for reducing the negative impacts of agrochemicals on the environment and human health.
Themodernbillion-dollardrug-discoveryprocessstronglyreliesonbothhi- throughput synthesis and screening methods. Whereas the latter is based on molecular biological methods, the ef?cient and reliable generation of c- pound collections often makes use of combinatorial chemistry. Discovered in the 1980s, this methodology was explored extensively in the 1990s by groups in academia and in industry. Without any doubt, combinatorial chemistry changed the whole drug-discovery process and found many applications in cropscience and the material sciences. However, since its implementation, solution- and solid-phase techniques have been competing with each other, and although many companies started theircombinatorialchemistryprogramwithsolid-phasetechniques,soluti- phase combinatorial methods have taken over and now account for appro- mately 25% of all combinatorial efforts. The syntheses of complex, non-polymeric structures, discovered in the 1960s by the late Bruce Merri?eld, was largely ignored in the context of solid supports, mainly due to the fact that appropriate synthesis techniques were not available. Since solid-phase chemical methodology strongly differs from traditional solution-phase chemistry, two chapters deal with this topic. The Brase group (Jung, Wiehn, Brase) gives an overview of multifunctional linkers, which can beusedforthegenerationofdiversity-orientedcollections,simplybycleavage fromresins. Still in its infancy, solid-phase reactions employ "simple" amide chemistry in most cases due to their high-yielding, reliable protocols. Ljungdahl, Br- ?eld, and Kann address solid-phase organometallic chemistry, which is now one ofthe great challenges in reliable solid-phase organicsynthesis.
This book will serve as a primer for readers to understand recent advances, applications, and current challenges in the field of Engineered Living Materials. The chapters cover core science and engineering research areas, including (1) advances in synthetic biology and genetic programmability for Engineered Living Materials, (2) functional Engineered Living Material for application in energy, electronics, and construction, and (3) novel manufacturing approaches for Engineered Living Materials at multiple scales. The emerging field of Engineered Living Materials represents a significant paradigm shift in materials design and synthesis, in which living cells are used to impart biologically active functionalities to manmade materials. The result is a genetically programmable augmentation of non-living matter to exhibit unprecedented life-like (i.e., living) capabilities. At the intersection of synthetic biology and materials science, the field of Engineered Living Materials exhibits unprecedented promise and potential to alter the way we synthesize new materials and design medical devices, fabrics, robotics, commodity polymers, and construction materials. Materials with attributes of living systems can be engineered with an ability to respond to their environment and designed to self-repair in response to physical or other stresses or detect the presence of specific stimuli, such as light, heat, pressure, or hazardous chemical compounds. Although nascent, scientists and researchers in the field of Engineered Living Materials have made marked advances in demonstrating a potential to revolutionize a multitude of science and engineering disciplines. This volume will define the current state of the art of Engineered Living Materials, and highlight grand opportunities and challenges that abound at the nexus of synthetic biology and materials science and engineering.
PREFACE: The preparation of this book was undertaken because it was felt that there was need of a work dealing primarily with the chemical aspects of the pulp and paper industry and embodying under one cover the results of recent investigations along this line. The endeavor has been to include all details which the chemist should have to enable him to grasp the methods of manufacture, but it is not intended to be a treatise on paper making in all its mechanical phases, and in fact the mechanical features of the industry are discussed only in so far as they are necessary for a satisfactory understanding of the chemistry involved. It has been written chiefly with the idea of helping the young technical man, whether chemist or chemical engineer, and it has therefore been assumed that the reader has a fair knowledge of the elements of chemistry. At the same time it has been attempted to write as simply and plainly as possible and it is believed that any one connected with the pulp and paper industry will find it helpful and suggestive. The subject matter has been collected from personal notes and experiences during the authors twenty years service as chemist in the industry, as well as from a careful review of the literature relating to the subject. The latter is often contra- dictory in the extreme and in certain cases it has proved almost impossible to reconcile conflicting statements. In such cases both sides of the argument have been presented as fairly as possible. It is peculiar to the industry that there are usually a large number of variable factors which influence any one operation, and since it is practically impossible to control all of these variables it necessarily follows thatresults in different mills will not be in harmony. For this reason it is expected that the observant reader will find statements to which he will take exceptions, but such differences of opinion are often desirable since they indicate lines of investigation which will lead to a better understanding of many things present obscure. which are at Regarding the methods of analysis and testing which are given it may be said that the attempt has been made to include all which are necessary for routine work in controlling opera- tions. There are many occasional analyses which it is necessary to make during special investigations, but it is impractical to include all of these and for such methods reference must be made to the numerous standard text-books of analytical procedure. L. Merrill Acknowledgment is made of the assistance of Mr. J. on the subject of Straw and also of that of my associates at the mills of S. D. Warren Company, whose encouragement has helped to overcome many difficulties. I am also indebted to the publishers ofVan Nostrands Chem- ical Annual for a number of the tables which will be found in the appendix. Contents include: CHAPTER I PAGE CELLULOSE Physiological and Physical. Composition and Constitution. Cellulose and Water. Solvents. Cellulose and Salts. Decomposition by Acids, Alkalis, Oxidants, Ferments and Heat. Compounds, Nitrates, Gun- Cotton, Nitrites, Acetates, Sulphuric Esters. Mixed Esters, Benzoates, Formates, Alkali-Cellulose. Sulpho-Carbonates. Groups of Celluloses. Compound Celluloses. Methods of Determination. CHAPTER II FIBROUS RAW MATERIALS t . . . 34 The Vegetable Cell. Seed Hairs. Bast Fibres. Fibres from Whole Stems. Woods. Length of Fibres. Densitiesand Composition of Woods. Bark and Knots. Decay. Woods used in Pulp Making. Bulk of Raw Materials. CHAPTER III RAGS, ESPARTO, STRAW, BAMBOO 68 Grades of Rags. Dusting. Boiling. Boilers. Losses. Esparto. Cleaning. Boilers. Cooking. Bleaching. Alkali Recovery. Straw. Com- position. Cooking with Lime. Soda Cooks. Bamboo. Sources. Analyses. Cooking...
1. Focuses on these newly available antibacterial, their mechanism of actions, resistance, and spectrum of activities 2. Useful for Biologists, Bioengineers, Biochemist, Biotechnologists, Microbiologists, Food technologists, Enzymologists 3. Discusses new unexploited targets and strategies for the next generation of antimicrobial drugs for combating the drug resistance and emerging pathogens
This book introduces systematically the concept of weakly-bound complexes into the broad field of atmospheric sciences. To fill up the gap between our rapidly expanding knowledge of the individual properties of Van der Waals and hydrogen-bonded molecules, and our understanding of their role in the atmospheric processes, an ensemble of related topics are covered by a team of expert co-authors. The general properties of the weakly bound molecular complexes (or "clusters") are discussed, as well as their distribution in the planetary atmospheres. Collision-induced and dimeric absorption and emission are considered in the context of atmospheric spectroscopy. The advanced experimental techniques which enable us to study the spectroscopic features of molecular complexes in the gas phase, or which are adsorbed, are reviewed. The role of molecular complexes in the cometary atmosphere, the Earth mesosphere, and the atmospheres of the giant planets and some of their satellites are also discussed in detail.
This book is part of a set of books which offers advanced students successive characterization tool phases, the study of all types of phase (liquid, gas and solid, pure or multi-component), process engineering, chemical and electrochemical equilibria, and the properties of surfaces and phases of small sizes. Macroscopic and microscopic models are in turn covered with a constant correlation between the two scales. Particular attention has been given to the rigor of mathematical developments. This second volume in the set is devoted to the study of liquid phases.
This is an agenda-setting and high-profile book that presents an
authoritative and cutting-edge analysis of nanoscience and
technology. The Oxford Handbook of Nanoscience and Technology
provides a comprehensive and accessible overview of the major
achievements in different aspects of this field.
Robert Musil hat in "Der Mann ohne Eigenschaften" Essayismus doppelt bestimmt: als Form eines frei flottierenden Lebens und als Form eines seiner selbst bewussten Denkens. Die erklarte Utopie seines Romans zielt darauf, das Experiment des Lebens mit dem Experiment des Denkens in einer asthetischen Existenz zu versohnen. Muller-Funks Studie folgt einem typologischen Verfahren, das sowohl die Bandbreite essayistischer Moglichkeiten als auch deren historische Logik zutage treten lasst. Die radikale Skepsis und Subjektivitat Montaignes wird dabei mit der ausgreifenden Ungeduld eines Bacon konfrontiert. Experiment und Erfahrung sind die beiden Pole wie sie auch im Essayismus im Kontext von Aufklarung und Idealismus (Lichtenberg und Novalis) sichtbar werden. Den Essayismus des 20. Jahrhunderts untersucht der Autor exemplarisch an drei symptomatischen Beispielen: neben Musils stichwortgebendem Roman sind es die manierierte Prosa Gottfried Benns sowie deren emphatische und programmatische Essayistik im Gefolge der Kritischen Theorie. Der Essayismus erweist sich dabei als ein hochst widerspruchsvoller und artifizieller Versuch einer Ethik der Asthetik, als ein Denken mit explizit asthetischen Mitteln, das das Opfer der Abstraktion (wie es dem Szientismus zugrunde liegt) ruckgangig machen will. Angesichts dessen radikaler Hinterfragung im Gefolge einer Kritik am "Logozentrismus" wird eine aktuelle Dimension eines selbstreferenziellen, "asthetischen" Denkens sichtbar, das uber alte Gegenuberstellungen (Rationalismus vs. Irrationalismus) hinaus weist."
This book explores vegetable fiber composite as an eco-friendly, biodegradable, and sustainable material that has many potential industrial applications. The use of vegetable fiber composite supports the sustainable development goals (SDGs) to utilize more sustainable and greener composite materials, which are also easy to handle and locally easily available with economical production costs. This book presents various types of vegetable fiber composite and its processing methods and treatments to obtain desirable properties for certain applications. The book caters to researchers and students who are working in the field of bio-composites and green materials.
It is now possible to enter a chemistry degree course at many UK
universities without any formal maths training beyond age 16.
Addressing this deficiency requires students to take additional
mathematics training when entering university, yet the relevance of
maths to chemistry is often poorly appreciated by chemistry
students. In addition, many service courses are either too
abstract, or aimed at physicists and engineers, for students of
chemistry, who are not inclined to study mathematical techniques
"per se and "do not make the connection between the maths they are
taught and the chemistry they want to study. Based on the successful "at a Glance" approach, with integrated double page presentations explaining the mathematics required by undergraduate students of chemistry, set in context by detailed chemical examples, this book will be indispensable to all students of chemistry. By bringing the material together in this way the student is shown how to apply the maths and how it relates to familiar concepts in chemistry. By including problems (with answers) on each presentation, the student is encouraged to practice both the mathematical manipulations and the application to problems in chemistry. More detailed chemical problems at the end of each topic illustrate the range of chemistry to which the maths is relevant and help the student acquire sufficient confidence to apply it when necessary.
This book comprehensively summarizes the recent achievements and trends in encapsulation of micro- and nanocontainers for applications in smart materials. It covers the fundamentals of processing and techniques for encapsulation with emphasis on preparation, properties, application, and future prospects of encapsulation process for smart applications in pharmaceuticals, textiles, biomedical, food packaging, composites, friction/wear, phase change materials, and coatings. Academics, researchers, scientists, engineers, and students in the field of smart materials will benefit from this book.
Das erfolgreiche Arbeiten mit organischen Reaktionen erfordert Wissen uber Reaktivitat, Reaktionsmechanismen, Thermodynamik und weitere Grundlagen der physikalisch-organischen Chemie. Das Lehrbuch vermittelt dieses Wissen. Auch erhaltlich: das Arbeitsbuch zum Lehrbuch.
Metacognition is a critical part of the learning process for any content area, any academic subject. It is an inseparable part of the cognitive tapestry that is our learning. Further spreading the word about metacognition - how it benefits learning and how it can be fostered in classroom environments - especially in chemistry education, is a primary goal of this book. This book offers new and sharper insights into how metacognition and its tasks can be stitched into the fabric of classroom instruction and curricula.
Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued.
BarCharts best-selling quick reference to chemistry has been updated and expanded in this new edition. With updated content and an additional panel of information, this popular guide is not only an essential companion for students in introductory chemistry courses but also a must-have refresher for students in higher-level courses. Author Mark D. Jackson, PhD, a scientist and university chemistry professor, has a gift for making the complicated subject of chemistry interesting and easy to understand without the fluff. In this new edition, you will find more coverage of the subject, helpful illustrations, chemical problems, and practical applications, making this a study tool you won t want to be without. "
This edition of the Proceedings of the 9th European Symposium on Structure-Activity Relationships: QSAR and Molecular Modelling held from September 7-11, 1992 in Strasbourg, France deals with various areas of structure-activity relationships and their applications in the design of new drugs. The approximately 175 contributions in the book highlight the interdisciplinary approach between QSAR, molecular modelling and databank-based research in the design and development process of new drug candidates, and demonstrates the efficacy of these techniques by introducing rationalization at a very early stage in the discovery of bioactive compounds. Internationally renowned specialists review methodologies in the field of SAR concepts and computer-assisted drug design, covering such topics as: De novo design X-ray and NMR-based drug design Parameters and interactions. Molecular modelling Molecular similarity 3D QSAR.
In Organic Chemistry, 4th Edition, Dr. David Klein builds on the phenomenal success of the first three editions, with his skills-based approach to learning organic chemistry. The Klein program covers all the concepts typically covered in an organic chemistry course while placing a special emphasis on the skills development needed to support these concepts. Students in organic chemistry need to be able to bridge the gap between theory (concepts) and practice (problem-solving skills). Klein's SkillBuilder examples and activities offer extensive opportunities for students to develop proficiency in the key skills necessary to succeed in organic chemistry.
This unique volume provides an insight into bioactive compounds of tea from studies of both chemical structures and pharmacological aspects. Examples of the beneficial health effects of tea compounds in managing health problems and diseases are presented, with an emphasis on viral diseases such as COVID-19. Vaccines are not always available in many countries, thus simple and inexpensive measures which are easily available to help mitigate for example, the COVID-19 pandemic, are urgently needed. Dietary bioactive compounds could be alternative nutritional approaches in combating infection in addition to existing therapies and also upcoming vaccines and drugs, by enhancing their efficacy. Features : Emphasizes the antiviral activity of the tea compounds and the latest findings against Coronavirus and SARS-Cov-2. Provides a general overview of tea constituents, chemical structures of these compounds and their potential health benefits. Tea is one of the most commonly used beverages around the world and people with different backgrounds will be interested in reading about its health benefits. Correlating the therapeutic effect of tea components with COVID-19 is extremely beneficial for health care team members and general population. Assists the reader in understanding the therapeutic value of using tea to tackle COVID-19 symptoms, offering simple, inexpensive tips to help mitigate the virus.
This detailed book presents a technical overview and practical methodology of a variety of antibody array formats and technologies. As advantages and disadvantages of antibody array types are explored, the volume also delves into practical applications of antibody arrays pertaining to investigations of specific research topics and biological processes as well as guidance on the methods of processing, analysis, and storage of array data. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Antibody Arrays: Methods and Protocols aims to empower the reader with the information required to select the most appropriate array for their research application, with the technical knowledge to use and process the array, and with the knowledge to perform analysis that realizes the maximum benefit from the data generated. |
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