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Tecnologia Quimica
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Download or read book Green Solvents I written by Ali Mohammad and published by Springer Science & Business Media. This book was released on 2012-03-13 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conventional solvents used in chemical, pharmaceutical, biomedical and separation processes represent a great challenge to green chemistry because of their toxicity and flammability. Since the beginning of “the 12 Principles of Green Chemistry” in 1998, a general effort has been made to replace conventional solvents with environmentally benign substitutes. Water has been the most popular choice so far, followed by ionic liquids, surfactant, supercritical fluids, fluorous solvents, liquid polymers, bio-solvents and switchable solvent systems. Green Solvents Volume I and II provides a throughout overview of the different types of solvents and discusses their extensive applications in fields such as extraction, organic synthesis, biocatalytic processes, production of fine chemicals, removal of hydrogen sulphide, biochemical transformations, composite material, energy storage devices and polymers. These volumes are written by leading international experts and cover all possible aspects of green solvents’ properties and applications available in today’s literature. Green Solvents Volume I and II is an invaluable guide to scientists, R&D industrial specialists, researchers, upper-level undergraduates and graduate students, Ph.D. scholars, college and university professors working in the field of chemistry and biochemistry.
Book Synopsis Ribonucleases by : Allen W. Nicholson
Download or read book Ribonucleases written by Allen W. Nicholson and published by Springer Science & Business Media. This book was released on 2011-10-06 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ribonucleases are a ubiquitous and functionally diverse group of enzymes that have a common ability to cleave RNA. Either through scission of internal phosphodiesters, or removal of nucleotides from RNA 5’ or 3’ ends, ribonucleases perform essential roles in gene expression and regulation, genome replication and maintenance, host defense, stress response, and viral strategies of infection. Ribonucleases have also served as highly informative models to understand virtually every aspect of biomolecular structure and function. The fifteen chapters in this volume are written by recognized researchers in the field, and provide in-depth analyses of the major ribonuclease families. Particular focus is given to the relation of ribonuclease structure and mechanism to biological function, as well as ribonuclease dysfunction in certain disease states. Other topics include the evolutionary genetics and functional diversification of ribonucleases, engineered ribonucleases as anti-cancer agents, the mechanisms of action of artificial ribonucleases, and ribonucleases as models to understand protein folding and stability. This volume should serve as an essential reference for a broad range of researchers and educators with interests in RNA metabolism, enzymology, and gene regulation.
Book Synopsis Spanish Chemical and Pharmaceutical Glossary by : Hilda Zayas
Download or read book Spanish Chemical and Pharmaceutical Glossary written by Hilda Zayas and published by Taylor Trade Publications. This book was released on 2011-12-01 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: With over 26,000 chemical and pharmaceutical terms, this modern, easy-to-use English and Spanish glossary is an indispensable resource for pharmacists, physicians, scientists, health care professionals, and anyone else who works in these or related fields.
Book Synopsis Drought Stress Tolerance in Plants, Vol 2 by : Mohammad Anwar Hossain
Download or read book Drought Stress Tolerance in Plants, Vol 2 written by Mohammad Anwar Hossain and published by Springer. This book was released on 2016-08-24 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drought is one of the most severe constraints to crop productivity worldwide, and thus it has become a major concern for global food security. Due to an increasing world population, droughts could lead to serious food shortages by 2050. The situation may worsen due to predicated climatic changes that may increase the frequency, duration and severity of droughts. Hence, there is an urgent need to improve our understanding of the complex mechanisms associated with drought tolerance and to develop modern crop varieties that are more resilient to drought. Identification of the genes responsible for drought tolerance in plants will contribute to our understanding of the molecular mechanisms that could enable crop plants to respond to drought. The discovery of novel drought related genes, the analysis of their expression patterns in response to drought, and determination of the functions these genes play in drought adaptation will provide a base to develop effective strategies to enhance the drought tolerance of crop plants. Plant breeding efforts to increase crop yields in dry environments have been slow to date mainly due to our poor understanding of the molecular and genetic mechanisms involved in how plants respond to drought. In addition, when it comes to combining favourable alleles, there are practical obstacles to developing superior high yielding genotypes fit for drought prone environments. Drought Tolerance in Plants, Vol 2: Molecular and Genetic Perspectives combines novel topical findings, regarding the major molecular and genetic events associated with drought tolerance, with contemporary crop improvement approaches. This volume is unique as it makes available for its readers not only extensive reports of existing facts and data, but also practical knowledge and overviews of state-of-the-art technologies, across the biological fields, from plant breeding using classical and molecular genetic information, to the modern omic technologies, that are now being used in drought tolerance research to breed drought-related traits into modern crop varieties. This book is useful for teachers and researchers in the fields of plant breeding, molecular biology and biotechnology.
Book Synopsis Bioenergetic Processes of Cyanobacteria by : Guenter A. Peschek
Download or read book Bioenergetic Processes of Cyanobacteria written by Guenter A. Peschek and published by Springer Science & Business Media. This book was released on 2011-05-26 with total page 733 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is unique among a number of books on cyanobacteria because it focuses on the bioenergetics of these widespread organisms which are the evolutionary prerequisite for the development of all higher forms of life on our "blue" planet. The book primarily addresses questions of energy conversion by the fundamental bioenergetic processes: (oxygenic) photosynthesis, (aerobic) respiration, and (anaerobic) fermentation which uniquely occur together in these prokaryotic cells. Thermophilic cyanobacteria offer the most suitable material for high resolution structure analyses of Photosystem I and II and other electron transport complexes by X-ray crystallography (for example, at present the structure of Photosystem II at atomic resolution is only known for these organisms). These achievements during the last decade represent a milestone in our understanding of the complexes which are crucial for solar energy exploitation through photosynthetic water splitting. The present work represents an ambitious attempt to achieve the goal of a synoptic state-of-the-art picture by casting together the mosaics of detailed knowledge described by leading experts in the field. It contains 24 chapters written by 35 authors from Europe, USA, India and Japan. The book is aimed at reaching a broad audience ranging from students to experienced scientists. The editors wish all readers a pleasant and stimulating journey through the fascinating “world” of the bioenergetics of cyanobacteria and sincerely hope that this book will not only be of great value for the experts but also entice young people into this exciting research area with the aim to address successfully the challenging problems of high relevance that are still waiting for a satisfactory answer.
Book Synopsis Recent Advances in Nanoparticle Catalysis by : Piet W.N.M. van Leeuwen
Download or read book Recent Advances in Nanoparticle Catalysis written by Piet W.N.M. van Leeuwen and published by Springer Nature. This book was released on 2020-07-01 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the latest developments in the field of nanoparticle catalysis. It not only discusses established topics in detail, but also explores several emerging topics. Catalysis with nanoparticles is expanding exponentially and is attracting significant interest due to the many exciting findings being reported. Mastering the synthesis, characterization, stabilization and use of these catalysts offers numerous possibilities that far exceed those of classic heterogeneous and homogeneous catalysis.
Book Synopsis Small-Scale Gas to Liquid Fuel Synthesis by : Nick Kanellopoulos
Download or read book Small-Scale Gas to Liquid Fuel Synthesis written by Nick Kanellopoulos and published by CRC Press. This book was released on 2015-02-23 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is estimated that a large fraction of natural gas reserves are found in locations from where transport is not economical. If these isolated natural gas reserves could be converted to synthetic fuels, they would generate around 250 billion barrels of synthetic oil-a quantity equal to one-third of the Middle East's proven oil reserves. Small-Scale
Book Synopsis Plant Genomics and Climate Change by : David Edwards
Download or read book Plant Genomics and Climate Change written by David Edwards and published by Springer. This book was released on 2016-03-28 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the impact of climate change on agriculture and our future ability to produce the crops which are the foundation of the human diet. Specifically, individual chapters explore the potential for genomics assisted breeding of improved crops with greater yield and tolerance to the stresses associated with predicted climate change scenarios. Given the clear and unmet challenge to mitigate climate changing events, this book will be of wide interest from plant breeders and environmental scientists, government bodies through to a more general audience who are interested in the likely impact of climate change on agriculture.
Book Synopsis New Developments in Selective Oxidation II by : V. Cortés Corberán
Download or read book New Developments in Selective Oxidation II written by V. Cortés Corberán and published by Elsevier. This book was released on 1994-06-21 with total page 907 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains invited papers and communications presented at the Second World Congress and Fourth European Workshop Meeting on New Developments in Selective Oxidation. The purpose of the meeting was to present new topics and recent advances as well as the discussion of new aspects of fundamental and applied aspects of partial selective oxidation in heterogeneous and homogeneous catalysis. The following topics were discussed: New processes for fine chemicals by catalytic oxidation; Recent developments in surface chemistry of oxide catalysts; Novel catalytic systems and preparation methods; Heterogenized homogeneous oxidation catalysts; Selective oxidation and oxidative dehydrogenation of alkanes; New industrial developments based on catalytic oxidation reactions; Bio-, photo-, and electro-catalytic oxidation; Oxidation by other agents than dioxygen; Bifunctional metal-on-metal oxide catalysts for selective oxidation.This book provides a valuable set of data on selective oxidation reactions which will be extremely useful to catalyst and related practitioners, whether fundamentalists or highly applied, and to process engineers who wish to evaluate current findings in this field.
Book Synopsis AI-Guided Design and Property Prediction for Zeolites and Nanoporous Materials by : German Sastre
Download or read book AI-Guided Design and Property Prediction for Zeolites and Nanoporous Materials written by German Sastre and published by John Wiley & Sons. This book was released on 2023-04-17 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cohesive and insightful compilation of resources explaining the latest discoveries and methods in the field of nanoporous materials In Artificial Intelligence for Zeolites and Nanoporous Materials: Design, Synthesis and Properties Prediction a team of distinguished researchers delivers a robust compilation of the latest knowledge and most recent developments in computational chemistry, synthetic chemistry, and artificial intelligence as it applies to zeolites, porous molecular materials, covalent organic frameworks and metal-organic frameworks. The book presents a common language that unifies these fields of research and advances the discovery of new nanoporous materials. The editors have included resources that describe strategies to synthesize new nanoporous materials, construct databases of materials, structure directing agents, and synthesis conditions, and explain computational methods to generate new materials. They also offer material that discusses AI and machine learning algorithms, as well as other, similar approaches to the field. Readers will also find a comprehensive approach to artificial intelligence applied to and written in the language of materials chemistry, guiding the reader through the fundamental questions on how far computer algorithms and numerical representations can drive our search of new nanoporous materials for specific applications. Designed for academic researchers and industry professionals with an interest in synthetic nanoporous materials chemistry, Artificial Intelligence for Zeolites and Nanoporous Materials: Design, Synthesis and Properties Prediction will also earn a place in the libraries of professionals working in large energy, chemical, and biochemical companies with responsibilities related to the design of new nanoporous materials.
Book Synopsis Atlas of Zeolite Framework Types (formerly: Atlas of Zeolite Structure Types) by : Ch. Baerlocher
Download or read book Atlas of Zeolite Framework Types (formerly: Atlas of Zeolite Structure Types) written by Ch. Baerlocher and published by Elsevier. This book was released on 2001-06-06 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: The atlas contains an entry for each unique zeolite framework type. The term zeolite framework refers to a corner-sharing network of tetrahedrally coordinated atoms. This 5th edition is again an updated version of the previous compilation, and the number of entries has risen significantly to 133.
Book Synopsis Geomicrobiology: Natural and Anthropogenic Settings by : Lucian C. Staicu
Download or read book Geomicrobiology: Natural and Anthropogenic Settings written by Lucian C. Staicu and published by Springer Nature. This book was released on with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sonochemistry by : Felipe López-Saucedo
Download or read book Sonochemistry written by Felipe López-Saucedo and published by CRC Press. This book was released on 2024-08-30 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the most pertinent aspects and advancements in sonochemistry, dedicating nine chapters to fundamentals, synthesis methods, and applications. Covering ultrasound as the primary energy source, the initial chapters cover the interaction of ultrasound waves with matter and its diverse applications across various fields. The text further delves into the synthesis of nanomaterials and nanocomposites under varying reaction conditions. Finally, the book examines specific topics, including the application of sonochemistry in wastewater treatment, catalysts, sensors, meat processing, and food packaging. These insights indicate that sonochemistry is an emerging science with promising applications extending beyond the confines of the laboratory.
Book Synopsis Ionic-Liquid-Based Aqueous Biphasic Systems by : Mara G. Freire
Download or read book Ionic-Liquid-Based Aqueous Biphasic Systems written by Mara G. Freire and published by Springer. This book was released on 2016-10-05 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers comprehensive information on the fundamentals and applications of ionic-liquid-based aqueous biphasic systems, which have predominantly (and successfully) been employed as alternative platforms for the extraction, separation and purification of diverse high-value products. The book consists of an initial introduction providing a brief overview, from fundamentals to applications, followed by nine chapters addressing the respective phase diagrams (interpretation and characterization) and remarkable examples of their applications. It also includes two final chapters focusing on recent developments in the search for more environmentally-benign and biocompatible ionic-liquid-based aqueous biphasic systems, and on the progress made to date concerning the recovery, recycling and reuse of the phase-forming components, the goal being the development of cost-effective and sustainable processes. The book offers an interesting and useful guide for a broad readership in the fields of green chemistry, biotechnology, chemical engineering, and biochemistry, among others. Mara G. Freire is a Coordinator Researcher at CICECO - Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Portugal.
Book Synopsis Industrial Chemical Process Analysis and Design by : Mariano Martín Martín
Download or read book Industrial Chemical Process Analysis and Design written by Mariano Martín Martín and published by Elsevier. This book was released on 2016-07-02 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial Chemical Process Analysis and Design uses chemical engineering principles to explain the transformation of basic raw materials into major chemical products. The book discusses traditional processes to create products like nitric acid, sulphuric acid, ammonia, and methanol, as well as more novel products like bioethanol and biodiesel. Historical perspectives show how current chemical processes have developed over years or even decades to improve their yields, from the discovery of the chemical reaction or physico-chemical principle to the industrial process needed to yield commercial quantities. Starting with an introduction to process design, optimization, and safety, Martin then provides stand-alone chapters—in a case study fashion—for commercially important chemical production processes. Computational software tools like MATLAB®, Excel, and Chemcad are used throughout to aid process analysis. - Integrates principles of chemical engineering, unit operations, and chemical reactor engineering to understand process synthesis and analysis - Combines traditional computation and modern software tools to compare different solutions for the same problem - Includes historical perspectives and traces the improving efficiencies of commercially important chemical production processes - Features worked examples and end-of-chapter problems with solutions to show the application of concepts discussed in the text
Book Synopsis Enzymes in Nonaqueous Solvents by : Evgeny N. Vulfson
Download or read book Enzymes in Nonaqueous Solvents written by Evgeny N. Vulfson and published by Springer Science & Business Media. This book was released on 2008-02-05 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Enzymatic catalysis has gained considerable attention in recent years as an efficient tool in the preparation of natural products, pharmaceuticals, fine chemicals, and food ingredients. The high selectivity and mild reaction con- tions associated with enzymatic transformations have made this approach an attractive alternative in the synthesis of complex bioactive compounds, which are often difficult to obtain by standard chemical routes. However, the maj- ity of organic compounds are not very soluble in water, which was traditi- ally perceived as the only suitable reaction medium for the application of biocatalysts. The realization that most enzymes can function perfectly well under nearly anhydrous conditions and, in addition, display a number of useful properties, e. g. , highly enhanced stability and different selectivity, has d- matically widened the scope of their application to the organic synthesis. Another great attraction of using organic solvents rather than water as a reaction solvent is the ability to perform synthetic transformations with re- tively inexpensive hydrolytic enzymes. It is worth reminding the reader that in vivo, the synthetic and hydrolytic pathways are catalyzed by different enzymes. However, elimination of water from the reaction mixture enables the “reversal” of hydrolytic enzymes and thus avoids the use of the expensive cofactors or activated substrates that are required for their synthetic count- parts.
Book Synopsis Ionic Liquid-Based Surfactant Science by : Bidyut K. Paul
Download or read book Ionic Liquid-Based Surfactant Science written by Bidyut K. Paul and published by John Wiley & Sons. This book was released on 2015-07-24 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will be summarized on the basis of the topics of Ionic Liquids in the form of chapters and sections. It would be emphasized on the synthesis of ILs of different types, and stabilization of amphiphilic self-assemblies in conventional and newly developed ILs to reveal formulation, physicochemical properties, microstructures, internal dynamics, thermodynamics as well as new possible applications. It covers: Topics of ionic liquid assisted micelles and microemulsions in relation to their fundamental characteristics and theories Development bio-ionic liquids or greener, environment-friendly solvents, and manifold interesting and promising applications of ionic liquid based micelles and micremulsions
