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Author : H. Nazari
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (433 download)
Download or read book Enhancement of Glucose Oxidase Stability by Co-Immobilization with Catalase on Nylon 6,6 written by H. Nazari and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hamid Nazari
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Enhancement of Operational Stability of Glucose Oxidase by Immobilization on Nylon written by Hamid Nazari and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glucose oxidase (ß-D-glucose: oxygen 1-oxidoreductase) catalyzes the oxidation of D-glucose to gluconic acid and hydrogen peroxide. Glucose oxidase is inactivated by the substrate oxygen and by hydrogen peroxide produced during glucose oxidation. The soluble enzyme has been shown to inactivate quickly under turnover conditions, with half-lives of 21 and 14 h at oxygen partial pressures of 21 and 101 kPa, respectively. The overall objective of the current work was to improve the stability of glucose oxidase through immobilization. A technique for covalent immobilization of glucose oxidase (GO) and catalase (CAT) on membranes of nylon 66 was developed. The immobilization technique established in this work yielded a desirable uptake of glucose oxidase and ensured an excess of catalase activity (CAT:GO activity ratio of 17:1), required to minimize peroxide inactivation. Immobilization on nylon proved to enhance substantially the operational stability of glucose oxidase. The enzyme stability was measured by using the immobilized-enzyme membranes for the conversion of glucose in a repeated-fed batch process. Peroxide inactivation of glucose oxidase was effectively prevented by supplying readily available catalase in the reaction medium. Unlike soluble glucose oxidase, the immobilized enzyme did not undergo significant O 2-mediated inactivation. The immobilized glucose oxidase was essentially stable over an eight-day period at an oxygen partial pressure of 21 kPa. Under 100% oxygen, the immobilized enzyme had an estimated half-life of 150 h. Peroxide-mediated inactivation was observed when the immobilized catalase activity was insufficient, and consequently, the half-life of glucose oxidase decreased to 35 h.
Download or read book Enhancement of Operational Stability of Glucose Oxidase by Immobilization on Nylon written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : Hamid Nazari
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612414808
Total Pages : 314 pages
Book Rating : 4.4/5 (148 download)
Download or read book Enhancement of Operational Stability of Glucose Oxidase by Immobilization on Nylon [microform] written by Hamid Nazari and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Todd Winfield Ireland
Publisher :
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.:/5 (198 download)
Download or read book In Vitro and in Vivo Stability of Co-immobilized Glucose Oxidase and Catalase written by Todd Winfield Ireland and published by . This book was released on 1988 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ziyu Yin
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (18 download)
Download or read book Co-immobilization of Glucose Oxidase and Catalase for the Fabrication of Biofuel Cells written by Ziyu Yin and published by . This book was released on 2018 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 956 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lutz Hilterhaus
Publisher : John Wiley & Sons
ISBN 13 : 3527336699
Total Pages : 464 pages
Book Rating : 4.5/5 (273 download)
Download or read book Applied Biocatalysis written by Lutz Hilterhaus and published by John Wiley & Sons. This book was released on 2016-09-13 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book originates from the interdisciplinary research cooperation between academia and industry. In three distinct parts, latest results from basic research on stable enzymes are explained and brought into context with possible industrial applications. Downstream processing technology as well as biocatalytic and biotechnological production processes from global players display the enormous potential of biocatalysts. Application of "extreme" reaction conditions (i.e. unconventional, such as high temperature, pressure, and pH value) - biocatalysts are normally used within a well defined process window - leads to novel synthetic effects. Both novel enzyme systems and the synthetic routes in which they can be applied are made accessible to the reader. In addition, the complementary innovative process technology under unconventional conditions is highlighted by latest examples from biotech industry.
Author : Charles E. Carraher
Publisher : Springer Science & Business Media
ISBN 13 : 1461337488
Total Pages : 414 pages
Book Rating : 4.4/5 (613 download)
Download or read book Modification of Polymers written by Charles E. Carraher and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sheer volume of topics which could have been included under our general title prompted us to make some rather arbitrary decisions about content. Modification by irradiation is not included because the activity in this area is being treated elsewhere. We have chosen to emphasize chemical routes to modification and have striven to pre sent as balanced a representation of current activity as time and page count permit. Industrial applications, both real and potential, are included. Where appropriate, we have encouraged the contributors to include review material to help provide the reader with adequate context. The initial chapter is a review from a historical perspective of polymer modification and contains an extensive bibliography. The remainder of the book is divided into four general areas: Reactions and Preparation of Copolymers Reactions and Preparation of Block and Graft Copolymers Modification Through Condensation Reactions Applications The chemical modification of homopolymers such as polyvinylchlo ride, polyethylene, poly(chloroalkylene sulfides), polysulfones, poly chloromethylstyrene, polyisobutylene, polysodium acrylate, polyvinyl alcohol, polyvinyl chloroformate, sulfonated polystyrene; block and graft copolymers such as poly(styrene-block-ethylene-co-butylene block-styrene), poly(I,4-polybutadiene-block ethylene oxide), star chlorine-telechelic polyisobutylene, poly(isobutylene-co-2,3-dimethyl- 1,3-butadiene), poly(styrene-co-N-butylmethacrylate); cellulose, dex tran and inulin, is described.
Author : Linqiu Cao
Publisher : John Wiley & Sons
ISBN 13 : 3527607080
Total Pages : 578 pages
Book Rating : 4.5/5 (276 download)
Download or read book Carrier-bound Immobilized Enzymes written by Linqiu Cao and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first systematic overview of this key technique since the early 1990s, this authoritative reference is the only handbook available to include all recent developments. The author draws on his wide-ranging experience in both academia and industry to systematically cover all types of enzyme immobilization methods, such as adsorption-based and covalent immobilization, as well as enzyme entrapment and encapsulation. Throughout, a careful review of materials and techniques for the generation of functional immobilized enzymes benefits both developers and users of carrier-bound enzymes. A must for biotechnologists, biochemists and preparative chemists using enzymes in their daily work.
Author : Peter Grunwald
Publisher : MDPI
ISBN 13 : 3038973181
Total Pages : 511 pages
Book Rating : 4.0/5 (389 download)
Download or read book Immobilized Biocatalysts written by Peter Grunwald and published by MDPI. This book was released on 2018-11-14 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Immobilized Biocatalysts" that was published in Catalysts
Author : Peter Grunwald
Publisher : World Scientific Publishing Company
ISBN 13 : 1783269103
Total Pages : 1314 pages
Book Rating : 4.7/5 (832 download)
Download or read book Biocatalysis: Biochemical Fundamentals And Applications (Second Edition) written by Peter Grunwald and published by World Scientific Publishing Company. This book was released on 2017-08-04 with total page 1314 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Completely Revised and Extended Edition with a significantly enhanced content, all Chapters have been updated considering relevant literature and recent developments until 2016 together with application oriented examples with a focus on Industrial Biocatalysis. Newly treated topics comprise among others systems metabolic engineering approaches, metagenome screening, new tools for pathway engineering, and de-novo computational design as actual research areas in biocatalysis. Information about different aspects of RNA technologies, and completely new Chapters on 'Fluorescent Proteins' and 'Biocatalysis and Nanotechnology' are also included.
Author : W.M. Fogarty
Publisher : Springer Science & Business Media
ISBN 13 : 9400907656
Total Pages : 482 pages
Book Rating : 4.4/5 (9 download)
Download or read book Microbial Enzymes and Biotechnology written by W.M. Fogarty and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biotechnology is now one of the major growth areas in science and engineering and within this broad discipline enzyme technology is one of the areas earmarked for special and significant developments. This publication is the second edition of Microbial Enzymes and Biotechnol ogy which was originally published in 1983. In this edition the editors have attempted to bring together accounts (by the relevant experts) of the current status of the major areas of enzyme technology and specifically those areas of actual and/or potential commercial importance. Although the use of microbial enzymes may not have expanded at quite the rate expected a decade ago, there is nevertheless intense activity and considerable interest in the whole area of enzyme technology. Microbial enzymes have been used in industry for many centuries although it is only comparatively recently that detailed knowledge relating to their nature, properties and function has become more evident. Developments in the 1960s gave a major thrust to the use of microbial enzymes in industry. The commercial success of alkaline proteases and amyloglucosidases formed a bed-rock for subsequent research and development in the area.
Author : Young Je Yoo
Publisher : Springer
ISBN 13 : 9402410260
Total Pages : 208 pages
Book Rating : 4.4/5 (24 download)
Download or read book Fundamentals of Enzyme Engineering written by Young Je Yoo and published by Springer. This book was released on 2017-01-12 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive introduction to all aspects of enzyme engineering, from fundamental principles through to the state-of-the-art in research and industrial applications. It begins with a brief history, describing the milestones of advancement in enzyme science and technology, before going on to cover the fundamentals of enzyme chemistry, the biosynthesis of enzymes and their production. Enzyme stability and the reaction kinetics during enzymatic reactions are presented to show how enzymes function during catalysis and the factors that affect their activity. Methods to improve enzyme performance are also presented, such as cofactor regeneration and enzyme immobilization. The book emphasizes and elaborates on the performance and characteristics of enzymes at the molecular level. Finally, the book presents recent advances in enzyme engineering and some key industrial application of enzymes addressing the present needs of society. This book presents essential information not only for undergraduate and graduate students, but also for researchers in academia and industry, providing a valuable reference for the development of commercial applications of enzyme technology.
Author : Omar Azzaroni
Publisher : John Wiley & Sons
ISBN 13 : 3527349901
Total Pages : 453 pages
Book Rating : 4.5/5 (273 download)
Download or read book Graphene Field-Effect Transistors written by Omar Azzaroni and published by John Wiley & Sons. This book was released on 2023-10-16 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graphene Field-Effect Transistors In-depth resource on making and using graphene field effect transistors for point-of-care diagnostic devices Graphene Field-Effect Transistors focuses on the design, fabrication, characterization, and applications of graphene field effect transistors, summarizing the state-of-the-art in the field and putting forward new ideas regarding future research directions and potential applications. After a review of the unique electronic properties of graphene and the production of graphene and graphene oxide, the main part of the book is devoted to the fabrication of graphene field effect transistors and their sensing applications. Graphene Field-Effect Transistors includes information on: Electronic properties of graphene, production of graphene oxide and reduced graphene oxide, and graphene functionalization Fundamentals and fabrication of graphene field effect transistors, and nanomaterial/graphene nanostructure-based field-effect transistors Graphene field-effect transistors integrated with microfluidic platforms and flexible graphene field-effect transistors Graphene field-effect transistors for diagnostics applications, and DNA biosensors and immunosensors based on graphene field-effect transistors Graphene field-effect transistors for targeting cancer molecules, brain activity recording, bacterial detection, and detection of smell and taste Providing both fundamentals of the technology and an in-depth overview of using graphene field effect transistors for fabricating bioelectronic devices that can be applied for point-of-care diagnostics, Graphene Field-Effect Transistors is an essential reference for materials scientists, engineering scientists, laboratory medics, and biotechnologists.
Author : Xueji Zhang
Publisher : Academic Press
ISBN 13 : 008055489X
Total Pages : 625 pages
Book Rating : 4.0/5 (85 download)
Download or read book Electrochemical Sensors, Biosensors and their Biomedical Applications written by Xueji Zhang and published by Academic Press. This book was released on 2011-04-28 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book broadly reviews the modem techniques and significant applications of chemical sensors and biosensors. Chapters are written by experts in the field – including Professor Joseph Wang, the most cited scientist in the world and renowned expert on sensor science who is also co-editor. Each chapter provides technical details beyond the level found in typical journal articles, and explores the application of chemical sensors and biosensors to a significant problem in biomedical science, also providing a prospectus for the future.This book compiles the expert knowledge of many specialists in the construction and use of chemical sensors and biosensors including nitric oxide sensors, glucose sensors, DNA sensors, hydrogen sulfide sensors, oxygen sensors, superoxide sensors, immuno sensors, lab on chip, implatable microsensors, et al. Emphasis is laid on practical problems, ranging from chemical application to biomedical monitoring and from in vitro to in vivo, from single cell to animal to human measurement. This provides the unique opportunity of exchanging and combining the expertise of otherwise apparently unrelated disciplines of chemistry, biological engineering, and electronic engineering, medical, physiological. - Provides user-oriented guidelines for the proper choice and application of new chemical sensors and biosensors - Details new methodological advancements related to and correlated with the measurement of interested species in biomedical samples - Contains many case studies to illustrate the range of application and importance of the chemical sensors and biosensors
Author : George G. Guilbault
Publisher : Springer Science & Business Media
ISBN 13 : 9789027726605
Total Pages : 422 pages
Book Rating : 4.7/5 (266 download)
Download or read book Analytical Uses of Immobilized Biological Compounds for Detection, Medical and Industrial Uses written by George G. Guilbault and published by Springer Science & Business Media. This book was released on 1988 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop, Florence, Italy, May 4-8, 1987
