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Methods in Non-Aqueous Enzymology

2013-12-01 Science
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Release : 2013-12-01
Genre : Science
Kind : eBook
Book Rating : 729/5 ( reviews)

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Book Synopsis Methods in Non-Aqueous Enzymology by : Munishwar N. Gupta

Download or read book Methods in Non-Aqueous Enzymology written by Munishwar N. Gupta. This book was released on 2013-12-01. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Enzymes in Nonaqueous Solvents

2008-02-05 Technology & Engineering
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Release : 2008-02-05
Genre : Technology & Engineering
Kind : eBook
Book Rating : 124/5 ( reviews)

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Book Synopsis Enzymes in Nonaqueous Solvents by : Evgeny N. Vulfson

Download or read book Enzymes in Nonaqueous Solvents written by Evgeny N. Vulfson. This book was released on 2008-02-05. 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.

Organic Synthesis with Enzymes in Non-Aqueous Media

2008-04-09 Science
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Release : 2008-04-09
Genre : Science
Kind : eBook
Book Rating : 733/5 ( reviews)

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Book Synopsis Organic Synthesis with Enzymes in Non-Aqueous Media by : Giacomo Carrea

Download or read book Organic Synthesis with Enzymes in Non-Aqueous Media written by Giacomo Carrea. This book was released on 2008-04-09. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Structure and Intrinsic Disorder in Enzymology

2022-11-17 Science
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Release : 2022-11-17
Genre : Science
Kind : eBook
Book Rating : 349/5 ( reviews)

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Book Synopsis Structure and Intrinsic Disorder in Enzymology by : Munishwar Nath Gupta

Download or read book Structure and Intrinsic Disorder in Enzymology written by Munishwar Nath Gupta. This book was released on 2022-11-17. Available in PDF, EPUB and Kindle. Book excerpt: 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

Methods for Affinity-Based Separations of Enzymes and Proteins

2013-12-01 Science
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Release : 2013-12-01
Genre : Science
Kind : eBook
Book Rating : 274/5 ( reviews)

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Book Synopsis Methods for Affinity-Based Separations of Enzymes and Proteins by : Munishwar N. Gupta

Download or read book Methods for Affinity-Based Separations of Enzymes and Proteins written by Munishwar N. Gupta. This book was released on 2013-12-01. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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