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Author: Munishwar N. Gupta Publisher: Birkhäuser ISBN: 3034884729 Category : Science Languages : en Pages : 229
Book Description
Extending the range of enzymatic catalysis by using non-aqueous media has now developed into a powerful approach in biochemistry and biotechnology. One peculiar feature which distinguishes it from the conventional enzymology (carried out in aqueous buffers) is that the awareness of different parameters that control and influence the behaviour of enzymes in such environments has emerged rather slowly. Science is about being able to repeat what somebody else has done. Absence of knowledge about such well-defined parameters/fac tors has sometimes made some workers rather cautious and diffident about using this approach in their laboratories. But for this, non-aqueous enzymol ogy would be more widely practised. It is these thoughts that made me feel that the availability of some well-defined protocols for various applications invol ving enzymes in non-aqueous environments would further catalyze the growth of this area. Hence this book, in which each chapter has some protocols in a specific area. The protocols are preceded by brief background material. The early chapters, which are of general importance, concern control of water ac tivity and stabilization via immobilization. Some subsequent chapters provide the protocols for transformations involving lipids and carbohydrates, peptide synthesis, and preparation of chiral compounds. The disproportionate focus on lipases is not a coincidence; this class of enzymes has been used more often than others in non-aqueous enzymology.
Author: Munishwar N. Gupta Publisher: Birkhäuser ISBN: 3034884729 Category : Science Languages : en Pages : 229
Book Description
Extending the range of enzymatic catalysis by using non-aqueous media has now developed into a powerful approach in biochemistry and biotechnology. One peculiar feature which distinguishes it from the conventional enzymology (carried out in aqueous buffers) is that the awareness of different parameters that control and influence the behaviour of enzymes in such environments has emerged rather slowly. Science is about being able to repeat what somebody else has done. Absence of knowledge about such well-defined parameters/fac tors has sometimes made some workers rather cautious and diffident about using this approach in their laboratories. But for this, non-aqueous enzymol ogy would be more widely practised. It is these thoughts that made me feel that the availability of some well-defined protocols for various applications invol ving enzymes in non-aqueous environments would further catalyze the growth of this area. Hence this book, in which each chapter has some protocols in a specific area. The protocols are preceded by brief background material. The early chapters, which are of general importance, concern control of water ac tivity and stabilization via immobilization. Some subsequent chapters provide the protocols for transformations involving lipids and carbohydrates, peptide synthesis, and preparation of chiral compounds. The disproportionate focus on lipases is not a coincidence; this class of enzymes has been used more often than others in non-aqueous enzymology.
Author: Giacomo Carrea Publisher: John Wiley & Sons ISBN: 3527621733 Category : Science Languages : en Pages : 328
Book Description
Closing a gap in the literature, this comprehensive book examines and discusses different non-aqueous systems from organic solvents to ionic liquids for synthetic applications, thus opening the door to new successful methods for biocatalytic reactions. It gathers into one handy source the information otherwise widely spread throughout the literature, combining useful background information with a number of synthetic examples, including industrial scale processes for pharmaceutical and fine chemicals. Extremely well structured, the text introduces the fundamentals of non-aqueous enzymology, before going on to new reaction media and synthetic applications using hydrolases and non-hydrolytic enzymes. The one-stop reference for everyone working in this hot field.
Author: Evgeny N. Vulfson Publisher: Springer Science & Business Media ISBN: 1592591124 Category : Technology & Engineering Languages : en Pages : 677
Book Description
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.
Author: Munishwar Nath Gupta Publisher: Elsevier ISBN: 0323995349 Category : Science Languages : en Pages : 529
Book Description
Structure and Intrinsic Disorder in Enzymology offers a direct, yet comprehensive presentation of the fundamental concepts, characteristics and functions of intrinsically disordered enzymes, along with valuable notes and technical insights powering new research in this emerging field. Here, more than twenty international experts examine protein flexibility and cryo-enzymology, hierarchies of intrinsic disorder, methods for measurement of disorder in proteins, bioinformatics tools for predictions of structure, disorder and function, protein promiscuity, protein moonlighting, globular enzymes, intrinsic disorder and allosteric regulation, protein crowding, intrinsic disorder in post-translational, and much more. Chapters also review methods for study, as well as evolving technology to support new research across academic, industrial and pharmaceutical labs. - Unifies the roles of intrinsic disorder and structure in the functioning of enzymes and proteins - Examines a range of enzyme and protein characteristics, their relationship to intrinsic disorder, and methods for study - Features chapter contributions from international leaders in the field
Author: Ari Koskinen Publisher: Springer Science & Business Media ISBN: 9780751402599 Category : Science Languages : en Pages : 338
Book Description
The outlook of organic synthesis has changed many times during its tractable history. The initial focus on the synthesis of substances typical of living matter, exemplified by the first examples of organic chemistry through the synthesis of urea from inorganic substances by Liebig, was accepted as the birth of organic chemistry, and thus also of organic synthesis. Although the early developments in organic synthesis closely followed the pursuit of molecules typical in nature, towards the end of the 19th century, societal pressures placed higher demands on chemical methods appropriate for the emerging age of industrialization. This led to vast amounts of information being generated through the discovery of synthetic reactions, spectroscopic techniques and reaction mechanisms. The basic organic functional group transformations were discovered and improved during the early part of this century. Reaction mechanisms were elucidated at a growing pace, and extremely powerful spectroscopic tools, such as infrared, nuclear magnetic resonance and mass spectrometry were introduced as everyday tools for a practising organic chemist. By the 1950s, many practitioners were ready to agree that almost every molecule could be syn thesized. Some difficult stereochemical problems were exceptions; for example Woodward concluded that erythromycin was a "hopelessly complex target". This frustration led to a hectic phase of development of new and increasingly more ingenious protecting group strategies and functional group transformations, and also saw the emergence of asymmetric synthesis.
Author: Munishwar N. Gupta Publisher: Birkhäuser ISBN: 3034881274 Category : Science Languages : en Pages : 234
Book Description
One major concern of biotechnology is either using enzymes or producing them. Enzyme/protein production is therefore an important starting point for biotechnology. Bioseparation or Downstream Processing constitutes about 40-90% of the total production cost. Driven by economics, highly selective technologies applicable to large-scale processing have emerged during the last decade. These technologies are slowly diffusing to enzymologists who are working on a smaller scale, looking for fast and efficient purification protocols. The affinity-based techniques (including precipitation, two-phase extractions, expanded bed chromatography, perfusion chromatography and monoliths) described in this volume provide current and new cutting-edge methods. Consequently, the book is of main interest to researchers in biochemistry, biochemical engineering and biotechnology, working either in academic or industrial sectors.
Author: Dibakar Bhattacharyya Publisher: Elsevier ISBN: 0080537537 Category : Business & Economics Languages : en Pages : 439
Book Description
Membrane techniques provide a broad science and technology base. Although there are several books in the traditional membrane field, there is a great need for a highly comprehensive book. This refereed book covers materials from highly respected researchers. This title is highly multidisciplinary in nature and should be extremely valuable to scientists and engineers involved in a variety of activities. Students and faculty members around the world will find this title to be an excellent reference book. - Invited contributions from leading researchers in the field - Coverage of topic is of value to scientists/engineers working in a variety of related fields [separations/reactions, advanced biofunctional materials, contactor designs] - Aims to fill market gap for a highly comprehensive book containing advances in both synthetic and biofunctional/bimimetic membranes
Author: Timir Tripathi Publisher: Elsevier ISBN: 0443218102 Category : Science Languages : en Pages : 1162
Book Description
The Three Functional States of Proteins explores how structured proteins, intrinsically disordered proteins, and phase separated proteins contribute to the complexity of cellular life, and offers insights into their roles in both health and disease. It discusses the latest research findings and highlight groundbreaking discoveries and innovative methodologies used to study these protein states. Traditionally, the different states of proteins have been defined based on their structures and functions. However, it is becoming increasingly clear that these criteria alone may not be sufficient to capture the complex and multifaceted properties of these molecules. Definitions based on thermodynamics and kinetics are now recognized as potentially more appropriate for comprehensively understanding protein states. Emerging evidence indicates that under physiological conditions, a majority of proteins possess the capability to exist in and transition between the native, droplet, and amyloid states. These distinct states play crucial roles in various cellular functions, influenced significantly by their physicochemical and structural properties. The book also considers the interactions among these states and discusses how their internal organization as individual molecules, as well as their collective organization as molecular assemblies are stabilized. Furthermore, it examines the processes by which these states are formed and the cellular functions associated with each specific state. - The book serves as an introduction to a unique volume that provides comprehensive coverage of these three functional states of proteins - The chapters are written by leading global scientists who are actively engaged in research on these specific protein states - It presents a broad picture of the current, emerging, and evolving research on these protein states - Given that this book comprehensively addresses both foundational concepts and recent advancements in the field, it will appeal a broad spectrum of readers from various academic disciplines
Author: Ching T. Hou Publisher: CRC Press ISBN: 1420027964 Category : Science Languages : en Pages : 614
Book Description
Until now, no comprehensive handbook on industrial biocatalysis has been available. Soliciting chapters on virtually every aspect of biocatalysis from international experts most actively researching the field, the Handbook of Industrial Biocatalysis fills this need. The handbook is divided into three sections based on types of substrates. T
Author: Munishwar N. Gupta
Author: Munishwar N. Gupta
Author: Giacomo Carrea
Author: Evgeny N. Vulfson
Author: Munishwar Nath Gupta
Author: Ari Koskinen
Author: Munishwar N. Gupta
Author: Dibakar Bhattacharyya
Author: Timir Tripathi
Author: Thomas Scheper
Author: Ching T. Hou