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Books > Professional & Technical > Biochemical engineering

Plant-Plant Allelopathic Interactions II - Laboratory Bioassays for Water-Soluble Compounds with an Emphasis on Phenolic Acids... Plant-Plant Allelopathic Interactions II - Laboratory Bioassays for Water-Soluble Compounds with an Emphasis on Phenolic Acids (Hardcover, 2014 ed.)
Udo Blum
R3,428 Discovery Miles 34 280 Ships in 12 - 17 working days

This volume presents detailed descriptions and analyses of the underlying features, issues and suppositions associated with seed and seedling laboratory bioassays presented in a previous volume.It is, however, broader in scope and substance in that the information provided is relevant to all water-soluble compounds released to soil by putative allelopathic living plants and their litter and residues.It is ultimately an attempt to update and expand the practical guidelines for designing laboratory bioassays that have previously been provided in the literature with the hope that the designs of future seed and seedling laboratory bioassays will become more relevant to field systems.Standard references have been included to provide background and additional details.This volume has been written specifically for researchers and their graduate students who are interested in studying plant-plant allelopathic interactions."

Biosensors: A Russian Perspective, Volume 3 (Hardcover): A.P.F. Turner, Reinhard Renneberg Biosensors: A Russian Perspective, Volume 3 (Hardcover)
A.P.F. Turner, Reinhard Renneberg
R1,902 Discovery Miles 19 020 Ships in 12 - 17 working days

Biosensors have captured the imagination of the world's scientific and commercial communities by combining interdisciplinary skills of biologists, physicists, chemists and engineers to provide innovative solutions to analytical problems. Biosensors are applicable to clinical diagnostics, food analysis, cell culture monitoring, environmental control and various military situations. Ever increasing demands for rapid and convenient analyses of a wide variety of materials in diverse locations has led to intense interest in the fusion of biology and electronics which mimics our principal concern: the effect of materials and environments on living systems. This series, "Advances in Biosensors", presents a compendium of research papers, in which authorities in the field of biosensors provide an up-to-date overview of their laboratory's contribution, summarizing the primary research as it has appeared, possibly scattered, in the journal and conference literature, and reflecting on their findings. The net result will be intense, yet highly readable accounts of the state of the art at this leading edge of analytical technology.

Wind Turbine Airfoils and Blades - Optimization Design Theory (Hardcover): Jin Chen, Quan Wang Wind Turbine Airfoils and Blades - Optimization Design Theory (Hardcover)
Jin Chen, Quan Wang; Contributions by China Science Publishing & Media Ltd
R3,617 Discovery Miles 36 170 Ships in 12 - 17 working days

Wind Turbine Airfoils and Blades introduces new ideas in the design of wind turbine airfoils and blades based on functional integral theory and the finite element method, accompanied by results from wind tunnel testing. The authors also discuss the optimization of wind turbine blades as well as results from aerodynamic analysis. This book is suitable for researchers and engineers in aeronautics and can be used as a textbook for graduate students.

Applied Microbiology (Hardcover, 2001 ed.): A. Durieux, J. P. Simon Applied Microbiology (Hardcover, 2001 ed.)
A. Durieux, J. P. Simon
R2,953 Discovery Miles 29 530 Ships in 10 - 15 working days

This book illustrates the major trends in applied microbiology research with immediate or potential industrial applications. The papers proposed reflect the diversity of the application fields. New microbial developments have been done as well in the food and health sectors than in the environmental technology or in the fine chemical production. All the microbial genera are involved : yeast, fungi and bacteria. The development of biotechnology in parallel with the industrial microbiology has enabled the application of microbial diversity to our socio-economical world. The remarkable properties of microbes, inherent in their genetic and enzymatic material, allow a wide range of applications that can improve our every day life. Recent studies for elucidating the molecular basis of the physiological processes in micro-organisms are essential to improve and to control the metabolic pathways to overproduce metabolites or enzymes of industrial interest. The genetic engineering is of course one of the disciplines offering new horizons for the " fantastic microbial factory " . Studies of the culture parameter incidence on the physiology and the morphology are essential to control the response of the micro-organisms before its successful exploitation at the industrial scale. For this purpose, fundamental viewpoints are necessary. Development of novel approaches to characterise micro-organisms would also facilitate the understanding of the inherent metabolic diversity of the microbial world, in terms of adaptation to a wide range of biotopes and establishment of microbial consortia.

Geopolymer Chemistry and Applications, 5th Ed (Hardcover): Joseph Davidovits Geopolymer Chemistry and Applications, 5th Ed (Hardcover)
Joseph Davidovits
R4,324 Discovery Miles 43 240 Ships in 10 - 15 working days
Biomaterials Engineering and Devices: Human Applications - Volume 2. Orthopedic, Dental, and Bone Graft Applications... Biomaterials Engineering and Devices: Human Applications - Volume 2. Orthopedic, Dental, and Bone Graft Applications (Hardcover, 2000 ed.)
Donald L. Wise, Debra J. Trantolo, Kai-Uwe Lewandrowski, Joseph D. Gresser, Mario V Cattaneo
R4,287 Discovery Miles 42 870 Ships in 12 - 17 working days

The medical device and drug industries standards in analytical methodology and are consistently among the strongest techno- quality control. logical performers. Materials are a key The users of Biomaterials Engineering ingredient in their dynamic growth. Devel- and Devices: Human Applications will r- opment of these materials is in a constant resent a broad base of backgrounds ranging state of activity, with the challenge of re- from the basic sciences (e. g. , polymer placing old materials that cannot withstand chemistry and biochemistry) to more the tests of time, and the new materials' applied disciplines (e. g. , mechanical/ needs coming to the forefront in modern chemical engineering, orthopedics, and applications. This new reference text, pharmaceutics). To meet varied needs, each Biomaterials Engineering and Devices: chapter provides clear ancd fully detailed Human Applications, focuses on materials discussions. This in-depth, but practical, used in or on the human body-materials coverage should also assist recent indu- that define the world of "biomaterials. " ees to the biomaterials circle. The editors Biomaterials Engineering and Devices: trust that this reference textbook conveys Human Applications focuses on mate- the intensity of this fast moving field in an rials development and characterization. enthusastic presentation. Chapters deal with issues in the selection of Donald L. Wise, PHD proper biomaterials from biocompatibility Debra J. Trantolo, PHD to biostability to structure/function relation- Kai-Uwe Lewandrowski, MD ships. Chapters also focus on the use of Joseph D. Gresser, PHD specific biomaterials based on their physio- Mario V.

Applied Electrostatic Precipitation (Hardcover, 1997 ed.): K.R. Parker Applied Electrostatic Precipitation (Hardcover, 1997 ed.)
K.R. Parker
R8,221 Discovery Miles 82 210 Ships in 12 - 17 working days

Many industrial, power generation and chemical processes produce unwanted fine particulate material as a consequence of their operation. Electrostatic precipitation is a highly efficient method of removing entrained particulate contaminants from exhaust gases and is extensively used in these industries to limit particulate emissions. New legislation aimed at improving the environment by further limiting these discharges has resulted in the technique undergoing considerable development over the past decade, to the point where it has become the method of choice, over a wide range of applications, for limiting particulate discharges. In this new book, the editor has brought together an international team of contributors, mainly industrialists and consultants, to produce an authorative and practical guide to electrostatic precipitation. This book is of interest to all those in process industries or power generation and to academics concerned with gas cleaning and environmental issues.

Peptidomimetics II (Hardcover, 1st ed. 2017): William D. Lubell Peptidomimetics II (Hardcover, 1st ed. 2017)
William D. Lubell
R6,228 Discovery Miles 62 280 Ships in 12 - 17 working days

The series Topics in Heterocyclic Chemistry presents critical reviews on present and future trends in the research of heterocyclic compounds. Overall the scope is to cover topics dealing with all areas within heterocyclic chemistry, both experimental and theoretical, of interest to the general heterocyclic chemistry community. The series consists of topic related volumes edited by renowned editors with contributions of experts in the field. All chapters from Topics in Heterocyclic Chemistry are published Online First with an individual DOI. In references, Topics in Heterocyclic Chemistry is abbreviated as Top Heterocycl Chem and cited as a journal.

Microdiffusion Analysis and Volumetric Error (Hardcover): Edward J. Conway Microdiffusion Analysis and Volumetric Error (Hardcover)
Edward J. Conway
R4,485 Discovery Miles 44 850 Ships in 10 - 15 working days

PART I - APPARATUS AND PRINCIPLES USED IN MICRODIFFUSION ANALYSIS - II. A STANDARD MICRO DIFFUSION APPARATUS OR 'UNIT' - III. FACTORS INFLUENCING THE ABSORPTION RATE FROM OUTER TO INNER CHAMBER WITH SPECIAL REFERENCE TO AMMONIA - IV. GENERAL PRINCIPLES GOVERNING THE ABSORPTION TIME IN MICRO DIFFUSION ANALYSIS - V. PIPETTES (SUITABLE FOR USE WITH THE STANDARD UNITS) AND THEIR DELIVERY ERRORS - VI. MICRO-BURETTES (SUITABLE FOR USE WITH THE STANDARD UNITS) AND ERRORS INVOLVED IN THEIR USE - VII. THE MICRODIFFUSION METHOD WITH END-POINT VOLUMES AROUND 20 CUBIC MILLIMETRES - VII. COLORIMETRY IN THE MICRODIFFUSION METHODS - PART II - DESCRIPTION OF METHODS WITH THE STANDARD UNITS - IX. AMMONIA. GENERAL METHOD USING STANDARD ACID AS ABSORBENT - X. AMMONIA. GENERAL METHOD (USING THE BORIC-HCL PROCEDURE) - XI. SPECIAL FACTORS INFLUENCING THE RATE OF AMMONIA ABSORPTION - XII. OTHER METHODS FOR DETERMINING THE ABSORBED AMMONIA IN THE MICRO DIFFUSION PROCEDURE - XIII. AMMONIA. BIOLOGICAL DETERMINATIONS - XIV. TOTAL NITROGEN XVII. UREA (BLOOD AND URINE) - XIX. ADENOSINETRIPHOSPHORIC ACID, ADENYLIC ACID, ADENOSINE, ETC. - XX. NITRATE, NITRITE AND AMIDE NITROGEN - XXII. MONOAMINE OXIDASE AND HISTAMINASE IN TISSUES - XXIII. DETERMINATION OF VOLATILE AMINES - XXIV. CARBONATES AND BICARBONATE - XXV. BLOOD GLUCOSE AND FERMENTABLE SUGAR IN NORMAL URINE - XXVI. DETERMINATION OF CARBONIC ANHYDRASE - XXVII. OXIDATION RATES OF ORGANIC SUBSTANCES WITH A STANDARD OXIDANT WITH APPLICATION TO DETERMINATION OF MINUTE AMOUNTS OF CALCIUM AS OXALATE - XXVIII. ACETIC ACID AND OTHER LOWER FATTY ACIDS - XXIX. ASSAY OF ACETYLCHOLINESTERASE - XXX. CYANIDE, AZIDE, SULPHIDE, PHENOLS - XXXI. METHANOL AND ISOPROPANOL GROUP - XXXII. ETHANOL - XXXIII. ETHANOL FROM URETHANE - XXXIV. FORMALDEHYDE - XXXV. FORMALDEHYDOGENIC STEROIDS (PERIODIC ACID AS OXIDANT) - XXXVI. FORMALDEHYDOGENIC STEROIDS (SODIUM BISMUTHATE AS OXIDANT) - XXXVII. GLYCINE (FORMALDEHYDE PRODUCED BY NINHYDRIN OXIDATION) - XXXVIII. ACETALDEHYDE (SEMICARBAZIDE ABSORPTION) - XXXIX. ACETALDEHYDE FROM LACTIC ACID AND THREONINE WITH BISULPHITE ABSORPTION - XL. ACETONE (INCLUDING A RAPID CLINICAL METHOD USING THE NESSLER SOLUTION) - XLI. THE HALOGENS (INTRODUCTORY) - XLII. CHLORIDE (BY OXIDATION TO CHLORINE AND ABSORPTION INTO IODIDE) - XLIII. CHLORIDE (BY OXIDATION TO CHLORINE AND ABSORPTION INTO FAST GREEN) - XLIV. BROMIDE - XLV. IODIDES AND HALOGEN MIXTURES - XLVI. SERIAL DETERMINATION OF ORGANICALLY BOUND HALOGEN - XLVII. VOLATILE HALOGENATED HYDROCARBONS (CHLOROFORM, TRICHLORETHYLENE AND CARBON TETRACHLORIDE) - XLVIII. CARBON MONOXIDE - XLIX. A RAPID CLINICAL METHOD FOR CARBON MONOXIDE DETERMINATION - LI. TOTAL MOLECULAR CONCENTRATION IN FLUID SAMPLES OF ABOUT 3-4 MILLIGRAMS - LII. SEPARATION OF CRYSTALS AND' GUMS' BY MICRODIFFUSION - QUALITATIVE MICRO-DIFFUSION ANALYSIS - LIII. SOME CONSIDERATIONS ON QUALITATIVE MICRO-DIFFUSION ANALYSIS - PART III - THE ERROR OF VOLUMETRIC TITRATION - LIV. INTRODUCTORY - LV. THE VARIABLE GLASS ERROR - LVI. THE TOTAL VARIABLE GLASS ERROR AND ITS CONTROL - LVII. THE VARIABLE CHEMICAL ERROR IN TITRATION - LVIII. THE RATIONALE OF MICRO TITRATION - LIX. THE CONSTANT GLASS ERROR - LX. THE CONSTANT CHEMICAL ERROR - LXI. VOLUMETRIC ERROR IN KJELDAHL NITROGEN ANALYSES - LXIII. UREA EXCRETION AS RENAL FUNCTION TEST - Full TOC available on website

Class 3.5. - 3.12 Hydrolases X - EC 3.5.4 - 3.12.1 (Hardcover, 2nd ed. 2003): Dietmar Schomburg Class 3.5. - 3.12 Hydrolases X - EC 3.5.4 - 3.12.1 (Hardcover, 2nd ed. 2003)
Dietmar Schomburg; Edited by (associates) A. Chang; Edited by Ida Schomburg
R8,182 Discovery Miles 81 820 Ships in 12 - 17 working days

The objective of the Springer Handbook of Enzymes is to provide in concise form data on enzymes sufficiently well characterized. Data sheets are arranged in their EC-Number sequence. Each volume comprises one enzyme class, sometimes the enzyme classes have to be divided into several volumes. Considerable progress has been made in enzymology since the publication of the first edition (published as "Enzyme Handbook"): many enzymes are newly classified or reclassified. In the 2nd edition each entry is correlated with references and one or more source organisms. New datafields are created: "application" and "engineering" (for the properties of enzymes where the sequence has been changed). Altogether the amount of data has doubled so that the 2nd edition will consist of 39 volumes plus synonym index. This collection is an indispensable source of information for researchers in biochemistry, biotechnology, organic and analytical chemistry, and food sciences.

Rotary Reactor Engineering (Hardcover): Daizo Kunii, Tatsu Chisaki Rotary Reactor Engineering (Hardcover)
Daizo Kunii, Tatsu Chisaki
R5,326 Discovery Miles 53 260 Ships in 12 - 17 working days

Rotary reactors or rotary kilns are the reactors facilitating the chemical reaction between the gas and solid phases usually at high temperatures.
This book, which is written by an expert in the field, describes the principles of the rotary reactor and the mode of its operation. These reactors are widely used in various chemical process industries (food, pharmaceuticals) and metallurgical industries.
The book defines the physiochemical aspects of the rotart reactors and provides theoretical equations of their operation.
The first part of this book presents the fundamentals; solid movement, conversion of solids, and heat transfer. The middle part of the book applies these equations to a variety of processes which have been developed so far, and shows how they are used. In its last part, conceptual designs of novel rotary reactors are proposed, which performance characteristics are predicted on the basis of above equations, especially, in gasification of solid wastes.
- Defines the rotary reactors and their mode of operation.
- Defines all operating parameters and gives equations to predict the operation of rotary reactors under various conditions.
- Includes a number of practical examples from various industrial applications (metallurgical waste treatment etc).

Converging Technologies for Improving Human Performance - Nanotechnology, Biotechnology, Information Technology and Cognitive... Converging Technologies for Improving Human Performance - Nanotechnology, Biotechnology, Information Technology and Cognitive Science (Hardcover, 2003 ed.)
Mihail C. Roco, William Sims Bainbridge
R4,367 Discovery Miles 43 670 Ships in 12 - 17 working days

This book describes the vast opportunity created by unifying science and integrating technology, and recommends transforming ideas for individuals and society. We stand at the threshold of a new renaissance in knowledge based on the structure and behavior of matter from the nanoscale up to the most complex system yet discovered, the human brain. Unification of science based on unity in nature and its holistic investigation will lead to technological convergence and a more efficient societal structure for reaching human goals. In the early decades of the twenty-first century, concentrated effort can bring together nanotechnology, biotechnology, information technology, and new humane technologies based in cognitive science. With proper attention to ethical issues and societal needs, rapid advances in convergent technologies have the potential to enhance both human performance and productivity. Examples of payoffs will include improving work efficiency and learning, enhancing individual sensory and cognitive capabilities, revolutionary changes in healthcare, improving both individual and group efficiency, highly effective communication techniques including brain to brain interaction, perfecting human-machine interfaces, enhancing human capabilities for defense purposes, reaching sustainable development using NBIC tools, and ameliorating the physical and cognitive decline that is common to the aging mind.

This is the first book addressing the convergence of technologies in coherence with social sciences, with a focus on people. Science and technology will increasingly dominate the world, as population, resource exploitation, and potential social conflict grow. Therefore, the successof this convergent technologies priority area is seen as crucial to the future of humanity.

NeoCacao (Hardcover): Berry Farah, Wielfried Hauwel NeoCacao (Hardcover)
Berry Farah, Wielfried Hauwel
R2,543 Discovery Miles 25 430 Ships in 12 - 17 working days
Fluid Machinery - Life Extension of Pumps, Gas Compressors and Drivers (Hardcover): Heinz Bloch Fluid Machinery - Life Extension of Pumps, Gas Compressors and Drivers (Hardcover)
Heinz Bloch
R5,122 R3,835 Discovery Miles 38 350 Save R1,287 (25%) Ships in 10 - 15 working days

Fluid movers are extensively used in the process industries. New machines are specified, designed, manufactured and installed in a way that ensures their safety and reliability. Existing machines may be upgraded or retrofitted during maintenance or repair. This book describes how improved components and better lubricant application provisions, among other experience-based measures, can safely extend operating life and increase profitability.

Biorefineries (Hardcover, 1st ed. 2019): Kurt Wagemann, Nils Tippkoetter Biorefineries (Hardcover, 1st ed. 2019)
Kurt Wagemann, Nils Tippkoetter
R7,453 Discovery Miles 74 530 Ships in 10 - 15 working days

This book offers a comprehensive review on biomass resources, examples of biorefineries and corresponding products. The first part of this book covers topics such as different biorefinery resources from agriculture, wood processing residues and transport logistics of plant biomass. In the second part, expert contributors present biorefinery concepts of different biomass feedstocks, including vegetable-oils, sugarcane, starch, lignocellulose and microalgae. Readers will find here a summary of the syngas utilization and the bio-oil characterization and potential use as an alternative renewable fuel and source for chemical feedstocks. Particular attention is also given to the anaerobic digestion-based and Organosolv biorefineries. The last part of the book examines relevant products and components such as alcohols, hydrocarbons, bioplastics and lignin, and offers a sustainability evaluation of biorefineries.

Advances in Microbial Toxin Research and Its Biotechnological Exploitation (Hardcover, 2002 ed.): Rajeev K. Upadhyay Advances in Microbial Toxin Research and Its Biotechnological Exploitation (Hardcover, 2002 ed.)
Rajeev K. Upadhyay
R4,357 Discovery Miles 43 570 Ships in 12 - 17 working days

Microbial toxins are secondary metabolites that accumulate in the organism and, to a large extent, are metabolically inactive towards the organism that produces them. The discovery of penicillin, a secondary metabolite of Penicillium notatum West (= P. chrysogenum Thom), in 1929 marked a milestone in the development of antibiotics (microbial toxins). In the intensive studies that followed this discovery, scientists chemically characterized several new molecules (toxins) from secondary metabolites of microbes, some having a definite function in causing pathogenesis in plants. Toxins are also known to playa significant role in inciting animal (human) and insect diseases and as plant growth regulators. Many common toxins have also been isolated from different microbes exhibiting a wide spectrum of biological activity. Toxins are broadly divisible into several characteristic groupings - polyketides, oxygen heterocyclic compounds, pyrons, terpenoidS, amino acids - diketopiperazines, polypeptides etc. Recent research has indicated that these toxins play an important role in plant pathogenesis, disease epidemics, plant breeding, biological control of plant pathogens and insect pests, induced resistance, plant-pathogen interactions etc. Toxins produced by weed pathogens are exploited as lead molecules in developing environmentally friendly herbicides.

Microfluidic Diagnostics - Methods and Protocols (Hardcover, 2013 ed.): Gareth Jenkins, Colin D. Mansfield Microfluidic Diagnostics - Methods and Protocols (Hardcover, 2013 ed.)
Gareth Jenkins, Colin D. Mansfield
R4,878 R4,311 Discovery Miles 43 110 Save R567 (12%) Ships in 12 - 17 working days

Microfluidic techniques are becoming widely incorporated into medical diagnostic systems due to the inherent advantages of miniaturization. In Microfluidic Diagnostics: Methods in Molecular Biology, researchers in the field detail methods and protocols covering subjects such as microfluidic device fabrication, on-chip sample preparation, diagnostic applications and detection methodologies. The protocols described range from cutting-edge developments to established techniques and basic demonstrations suitable for education and training; from basic fabrication methods to commercializing research. Written in the highly successful Methods in Molecular Biology (TM) series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Microfluidic Diagnostics: Methods in Molecular Biology seeks to aid scientists in the further development and commercialization of microfluidic diagnostic technologies

Synthetic Biology: A Lab Manual (Paperback): Anthony C. Forster, Josefine Liljeruhm, Erik Gullberg Synthetic Biology: A Lab Manual (Paperback)
Anthony C. Forster, Josefine Liljeruhm, Erik Gullberg
R981 Discovery Miles 9 810 Ships in 12 - 17 working days

Synthetic Biology: A Lab Manual is the first manual for laboratory work in the new and rapidly expanding field of synthetic biology. Aimed at non-specialists, it details protocols central to synthetic biology in both education and research. In addition, it provides all the information that teachers and students from high schools and tertiary institutions need for a colorful lab course in bacterial synthetic biology using chromoproteins and designer antisense RNAs. As a bonus, practical material is provided for students of the annual international Genetically Engineered Machine (iGEM) competition. The manual is based upon a highly successful course at Sweden's Uppsala University and is coauthored by one of the pioneers of synthetic biology and two bioengineering postgraduate students.An inspiring foreword is written by another pioneer in the field, Harvard's George Church: "Synthetic biology is to early recombinant DNA as a genome is to a gene. Is there anything that SynBio will not impact? There was no doubt that the field of SynBio needed 'A Lab Manual' such as the one that you now hold in your hands."

Chemical Engineering Progress; 3 (Hardcover): American Institute of Chemical Engine Chemical Engineering Progress; 3 (Hardcover)
American Institute of Chemical Engine
R959 Discovery Miles 9 590 Ships in 12 - 17 working days
The Life Cycle of Copper, Its Co-Products and Byproducts (Hardcover, 2003 ed.): Robert U. Ayres, Leslie W. Ayres, Ingrid Rade The Life Cycle of Copper, Its Co-Products and Byproducts (Hardcover, 2003 ed.)
Robert U. Ayres, Leslie W. Ayres, Ingrid Rade
R2,839 Discovery Miles 28 390 Ships in 10 - 15 working days

Copper is one of the three most important metals in the world economy, and the only one of the three that is comparatively scarce in the earth's crust. Known reserves will only last a few decades at projected rates of consumption. While some substitution possibilities exist for some of its applications, copper is uniquely valuable as a conductor of electricity in a world that is rapidly electrifying. This fact makes the copper life cycle an appropriate subject for holistic analysis. This book, which includes a quantitative demand forecasting model, is based on a study commissioned by the International Institute for Environment and Development (IIED) for the World Business Council for Sustainable Development (WBCSD) fills that need for the first time.

Among the conclusions of the study are the following. The medium-term prospects for copper producers and copper consuming industries include (1) more intensive exploration into more remote regions, (2) utilization of lower grade ores resulting in more mine wastes and associated waste disposal problems, (3) more intensive mining efficient ore reduction processes, (4) dramatic price increases when the current glut works itself out, (5) significant changes in the patterns of consumption (increasingly electrical applications), (6) sharp increases in the need for recovering and recycling old scrap copper in the future, (7) a significant buildup of copper and by-products (especially arsenic) either in use or in the human environment. Similar implications can be drawn for two other scarce and toxic metals - lead and zinc - often found in geological association with copper.

Gene Targeting Protocols (Hardcover, 2000 ed.): Eric B Kmiec Gene Targeting Protocols (Hardcover, 2000 ed.)
Eric B Kmiec
R4,316 Discovery Miles 43 160 Ships in 12 - 17 working days

The potential now exists in many experimental systems to transfer a cloned, modified gene back into the genome of the host organism. In the ideal situation, the cloned gene is returned to its homologous location in the genome and becomes inserted at the target locus. This process is a controlled means for the repair of DNA damage and ensures accurate chromosome disjunction during meiosis. The paradigm for thinking about the mechanism of this p- cess has emerged primarily from two sources: (1) The principles of reaction mechanics have come from detailed biochemical analyses of the RecA protein purified from Escherichia coli; and (2) the principles of information transfer have been derived from genetic studies carried out in bacteriophage and fungi. A compelling picture of the process of homologous pairing and DNA strand exchange has been influential in directing investigators interested in gene t- geting experiments. The ability to find and pair homologous DNA molecules enables ac- rate gene targeting and is the central phenomenon underlying genetic recombi- tion. Biochemically, the overall process can be thought of as a series of steps in a reaction pathway whereby DNA molecules are brought into homologous register, the four-stranded Holliday structure intermediate is formed, hete- duplex DNA is extended, and DNA strands are exchanged. Not much is known about the biochemical pathway leading to homologous recombination in euka- otes.

Natural Additives in Food (Hardcover): Lillian Barros, Isabel C F R Ferreira Natural Additives in Food (Hardcover)
Lillian Barros, Isabel C F R Ferreira
R1,649 Discovery Miles 16 490 Ships in 12 - 17 working days
Genetic Engineering in Livestock - New Applications and Interdisciplinary Perspectives (Hardcover, 2009 ed.): Margret... Genetic Engineering in Livestock - New Applications and Interdisciplinary Perspectives (Hardcover, 2009 ed.)
Margret Engelhard, Kristin Hagen, Matthias Boysen
R1,469 Discovery Miles 14 690 Ships in 10 - 15 working days

Upcoming applications of genetic engineering in farm animals include higher yields, leaner meat, or disease resistance. The proceedings cover an analysis of the state of the art of the technology and its applications, an introduction to the specific application zoopharming (a method to produce biopharmaceuticals in transgenic livestock), including an analysis of the market for biopharmaceuticals. In addition an assessment of ethical aspects of livestock biotechnology and considerations regarding animal welfare implications are covered. The study is addressed to science, industry and politics.

Utilisation and Management of Medicinal Plants Vol. 1 (Hardcover): V.K. Gupta Utilisation and Management of Medicinal Plants Vol. 1 (Hardcover)
V.K. Gupta
R2,675 Discovery Miles 26 750 Ships in 12 - 17 working days
Carbon Reinforcements and Carbon/Carbon Composites (Hardcover, illustrated edition): E. Fitzer, L.M. Manocha Carbon Reinforcements and Carbon/Carbon Composites (Hardcover, illustrated edition)
E. Fitzer, L.M. Manocha
R3,073 Discovery Miles 30 730 Ships in 10 - 15 working days

Advanced composite materials have been a major research focus for the past forty years. As a reinforcement for conventional materials including glass, ceramics and polymers, carbon has proved to be the most successful. Carbon gives these materials flexibility so that they may be produced in bulk form with a wide variety of properties. Whereas carbon/carbon composites are the most effective materials in extreme temperature conditions. Application ranges from brakes to missile nose cones. Carbon Reinforcements and Carbon/Carbon Composites gives the present state on this subject in comprehensive form, as well as projections for other "High Tech" materials and their application.

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