Manuel de spectrométrie de masse à l'usage des biochimistes PDF Download
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Author: Rusconi, Filippo
Publisher: Lavoisier
ISBN: 2743017708
Category : Mass spectrometry
Languages : fr
Pages : 675
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Book Description
Author: Rusconi, Filippo
Publisher: Lavoisier
ISBN: 2743017708
Category : Mass spectrometry
Languages : fr
Pages : 675
Get Book Here
Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251322236
Category : Political Science
Languages : en
Pages : 556
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Book Description
Food composition data are useful throughout the food system for nutrition-sensitive agriculture, improved processing methods that ensure greater nutrient retention in foods, nutrition labelling, and to inform, educate and protect consumers through food-based dietary guidelines, nutrition education and communication, and legislation. The FAO/INFOODS Food Composition Table for Western Africa (WAFCT 2019) is an update of the West African Food Composition Table of 2012, which lacked some important components, foods and recipes. WAFCT 2019 contains almost three times as many food entries and double the number of components, with increased overall data quality. Many of the data points from WAFCT 2012 have been replaced with better data – mostly analytical data from Africa, with a special emphasis on Western Africa. These improvements are essential to understanding the nutrient composition of foods in the region and to promoting their appropriate use. WAFCT 2019 is the result of four years of collaboration among INFOODS network researchers in Africa and the Nutrition and Food Systems Division of FAO, and was developed as part of the International Dietary Data Expansion (INDDEX) Project, implemented by Tufts University’s Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, with funding from the Bill & Melinda Gates Foundation. These new data from WAFCT 2019 will support further research towards an expanded and improved evidence base and will support better, more informed decisions and effective policies and programmes for improved nutrition in Africa.
Author: J. Gautheyrou
Publisher: CRC Press
ISBN: 9789054107163
Category : Technology & Engineering
Languages : en
Pages : 514
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Book Description
The objective of this book is to provide a better understanding of tools for soil analysis in order to use them more efficiently. It covers sampling problems as well as difficulties relating to actual analysis and quality control.
Author: R. Verpoorte
Publisher: Springer Science & Business Media
ISBN: 9401594236
Category : Science
Languages : en
Pages : 288
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Book Description
Plant secondary metabolism is an economically important source of fine chemicals, such as drugs, insecticides, dyes, flavours, and fragrances. Moreover, important traits of plants such as taste, flavour, smell, colour, or resistance against pests and diseases are also related to secondary metabolites. The genetic modification of plants is feasible nowadays. What does the possibility of engineering plant secondary metabolite pathways mean? In this book, firstly a general introduction is given on plant secondary metabolism, followed by an overview of the possible approaches that could be used to alter secondary metabolite pathways. In a series of chapters from various authorities in the field, an overview is given of the state of the art for important groups of secondary metabolites. No books have been published on this topic so far. This book will thus be a unique source of information for all those involved with plants as chemical factories of fine chemicals and those involved with the quality of food and ornamental plants. It will be useful in teaching graduate courses in the field of metabolic engineering in plants.
Author: W. Petruk
Publisher: Elsevier
ISBN: 0080527337
Category : Technology & Engineering
Languages : en
Pages : 287
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Book Description
Techniques of performing applied mineralogy investigations, and applications and capabilities of recently developed instruments for measuring mineral properties are explored in this book intended for practicing applied mineralogists, students in mineralogy and metallurgy, and mineral processing engineers. The benefits of applied mineralogy are presented by using in-depth applied mineralogy studies on base metal ores, gold ores, porphyry copper ores, iron ores and industrial minerals as examples. The chapter on base metal ores includes a discussion on the effects of liberation, particle sizes and surfaces coatings of Pb, Cu, Fe, Ca and So4- on the recoveries of sphalerite, galena and chalcopyrite. The chapter on gold discusses various methods of determining the quantities of gold in different minerals, including 'invisible' gold in pyrite and arsenopyrite, so that a balance of the distribution of gold among the minerals can be calculated. This book also discusses the roles of pyrite, oxygen, moisture and bacterial (thiobacillus ferrooxidans) on reactions that produce acidic drainage from tailings piles, and summarizes currently used and proposed methods of remediation of acidic drainage.
Author: Trevor H. Levere
Publisher: JHU Press
ISBN: 0801873630
Category : Science
Languages : en
Pages : 344
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Book Description
Chemistry explores the way atoms interact, the constitution of the stars, and the human genome. Knowledge of chemistry makes it possible for us to manufacture dyes and antibiotics, metallic alloys, and other materials that contribute to the necessities and luxuries of human life. In Transforming Matter, noted historian Trevor H. Levere emphasizes that understanding the history of these developments helps us to appreciate the achievements of generations of chemists. Levere examines the dynamic rise of chemistry from the study of alchemy in the seventeenth century to the development of organic and inorganic chemistry in the age of government-funded research and corporate giants. In the past two centuries, he points out, the number of known elements has quadrupled. And because of synthesis, chemistry has increasingly become a science that creates much of what it studies. Throughout the book, Levere follows a number of recurring themes: theories about the elements, the need for classification, the status of chemical science, and the relationship between practice and theory. He illustrates these themes by concentrating on some of chemistry's most influential and innovative practitioners. Transforming Matter provides an accessible and clearly written introduction to the history of chemistry, telling the story of how the discipline has developed over the years.
Author: P.J.J. Hooykaas
Publisher: Elsevier
ISBN: 008086094X
Category : Science
Languages : en
Pages : 565
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Book Description
This book provides up-to-date coverage at an advanced level of a range of topics in the biochemistry and molecular biology of plant hormones, with particular emphasis on biosynthesis, metabolism and mechanisms of action. Each contribution is written by acknowledged experts in the field, providing definitive coverage of the field. No other modern book covers this subject matter at such an advanced level so comprehensively. It will be invaluable to university libraries and scientists in the plant biotechnology industries.
Author: Fereidoon Shahidi
Publisher: Springer Science & Business Media
ISBN: 9780306461170
Category : Science
Languages : en
Pages : 296
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Book Description
Food and raw material for its production was generally produced via the traditional agriculture. On the other hand, novel chemicals were manufactured in the laboratory or extracted from plant and animal sources. However, as the world population is steadily in creasing, there is a decrease in traditional agriculture productivity and concerns are also expressed over the damage inflicted to the environment and restrictions that might be en forced in food production. At the same time, there is an increasing demand for high qual ity agricultural products as well as for food ingredients related to both the traditional or newly discovered nutrients or phytochemicals. Trends and developments,~n the area of plant biotechnology and bioengineering has allowed manipulation of genes' !lnd/or insertion of new genes, thus production of trans genic plants. Starting from the introduction of agronomic traits, particularly stress resis tance to diverse environmental factors, process and sensory characteristics, food quality and production of novel varieties of plant-based products through genetic engineering, biotechnology is changing the,;agriculture and the concept of production of plant-ba~~d raw materials. Increasing attention is being paid on research for production of plants !pat can provide a wide array of food and non-food products. Perhaps the first non-food pro,d uct that plant biotechnology would achieve is production of large scale custom-designed industrial oils, but the list of chemicals is long, ranging" from oils and specific triacyl glycerols to biopolymers, enzymes, blood components, amo~g others.
Author: Ferenc Szabadváry
Publisher: Elsevier
ISBN: 1483157121
Category : Science
Languages : en
Pages : 430
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Book Description
History of Analytical Chemistry is a systematic account of the historical development of analytical chemistry spanning about 4,000 years. Many scientists who have helped to develop the methods of analytical chemistry are mentioned. Various methods of analysis are discussed, including electrogravimetry, optical methods, electrometric analysis, radiochemical analysis, and chromatography. This volume is comprised of 14 chapters and begins with an overview of analytical chemistry in ancient Greece, the origin of chemistry, and the earliest knowledge of analysis. The next chapter focuses on analytical chemistry during the Middle Ages, with emphasis on alchemy. Analytical knowledge during the period of iatrochemistry and the development of analytical chemistry during the phlogiston period are then examined. Subsequent chapters deal with the development of the fundamental laws of chemistry, including the principle of the indestructibility of matter; analytical chemistry during the period of Berzelius; and developments in qualitative and gravimetric analysis. Elementary organic analysis is also considered, along with the development of the theory of analytical chemistry. This book will be helpful to chemists as well as students and researchers in the field of analytical chemistry.
Author: Agnes Buka
Publisher: World Scientific
ISBN: 1848167997
Category : Science
Languages : en
Pages : 299
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Book Description
The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
