Production of labyrinthopeptin A1 with Actinomadura namibiensis

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Publisher : Cuvillier Verlag
ISBN 13 : 3736963432
Total Pages : 130 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Production of labyrinthopeptin A1 with Actinomadura namibiensis by : Sebastian Tesche

Download or read book Production of labyrinthopeptin A1 with Actinomadura namibiensis written by Sebastian Tesche and published by Cuvillier Verlag. This book was released on 2020-12-21 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The filamentous actinomycete Actinomadura namibiensis is the only known producer of labyrinthopeptins, a class of ribosomally synthesized and posttranslationally modified peptides (RiPPs) displaying highly attractive bioactive properties. In order to increase the labyrinthopeptin A1 productivity in shaking flask cultivations of A. namibiensis, a new cultivation method called salt-enhanced cultivation was used. Compared to the unsupplemented control, labyrinthopeptin A1 productivity was enhanced the most by addition of 50 mM (NH4)2SO4, reaching a 7-fold higher yield of 325 mg L-1 within 10 cultivation days. Salt-enhanced cultivation affected growth and product formation mechanisms, cell morphology characteristics and rheological characteristics of cultivation broth. An image analysis method was developed to quantify both the macro-morphology (pellet size and shape) and the micro-morphology (hyphal network structure) of the heterogeneous filamentous biomass in detail. Productivity-related morphological parameters were in particular the size and circularity of pellets and the degree of hyphal interweaving (hyphal network spacing). It was shown that the time-dependent change in morphology linked to the rheological properties of the cultivation broth. The results presented in this work provide new insights into the cultivation aspects of A. namibiensis and illustrate the challenges on the way to a comprehensive understanding of the complex relationship between productivity, morphology and rheology in filamentous cultivations.

Bioprocess Intensification

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110760371
Total Pages : 553 pages
Book Rating : 4.1/5 (17 download)

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Book Synopsis Bioprocess Intensification by : Dirk Holtmann

Download or read book Bioprocess Intensification written by Dirk Holtmann and published by Walter de Gruyter GmbH & Co KG. This book was released on 2024-07-01 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of Process Intensification (PI) presents a set of radically innovative principles in process and equipment design, which can bring significant benefits in terms of process efficiency, capital and operating expenses, quality, process safety, and sustainability. Typical approaches in bioprocess intensification are the reduction of the number of production steps, continuous processing, integrated processes, and alternative energy inputs.

Micro- and Macroparticle enhanced cultivation of filamentous Lentzea aerocolonigenes for increased rebeccamycin production

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Publisher : Cuvillier Verlag
ISBN 13 : 3736963505
Total Pages : 142 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Micro- and Macroparticle enhanced cultivation of filamentous Lentzea aerocolonigenes for increased rebeccamycin production by : Kathrin Schrinner

Download or read book Micro- and Macroparticle enhanced cultivation of filamentous Lentzea aerocolonigenes for increased rebeccamycin production written by Kathrin Schrinner and published by Cuvillier Verlag. This book was released on 2020-12-28 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: The filamentous actinomycete Lentzea aerocolonigenes produces the antitumor antibiotic rebeccamycin. However, the complex morphology of actinomycetes leads to challenges during the cultivation often accompanied by low product titers. In the recent past, the to date low rebeccamycin titers were increased by particle addition to cultivations of L. aerocolonigenes. In this thesis the addition of micro-, macro- and adsorbent particles to cultivations of L. aerocolonigenes were investigated in more detail. Furthermore, the scale-up to a bubble-free bioreactor was conducted. The addition of glass microparticles (x50 = 7.9 μm, 10 g L-1) to shake flask cultivations increased the rebeccamycin titer up to 3.6-fold compared to an unsupplemented approach. Pellet slices showed the incorporation of microparticles. With different surface modifications of the microparticles, specific incorporation patterns of the microparticles appeared. The incorporation of microparticles causes looser and smaller pellets allowing an increased nutrient and oxygen supply in the pellet core. With addition of larger (glass) macroparticles (ø = 0.2 – 2.1 mm, 100 g L-1) mechanical stress was induced on the biopellets. The additional supplementation of 5 g L-1 soy lecithin and glass beads (ø = 969 μm, 100 g L-1) resulted in a rebeccamycin titer of 388 mg L-1, one of the highest rebeccamycin titers ever achieved. For the scale-up of L. aerocolonigenes cultivations a bubble-free membrane aeration system was developed. The tubular membrane aeration system can additionally be pressurized to increase the oxygen transfer. First cultivations of L. aerocolonigenes successfully provided 18 mg L-1 rebeccamycin, a concentration similar to that of unsupplemented shake flask cultivations. XAD adsorbent particles were added to cultivations to facilitate rebeccamycin recovery. However, the XAD particles additionally increased the rebeccamycin titer which was likely to be caused by the adsorption of the rebeccamycin precursor tryptophan to the resins which in turn directly transferred the tryptophan to the microorganism.

Food Microbial Sustainability

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Publisher : Springer Nature
ISBN 13 : 9819947847
Total Pages : 334 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Food Microbial Sustainability by : Arun Karnwal

Download or read book Food Microbial Sustainability written by Arun Karnwal and published by Springer Nature. This book was released on 2023-09-23 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews all important aspects of Microbial sustainability in food production and food safety with the aim of shedding new light on these microbes through combined understanding of traditional and novel paradigms. The book is divided into three sections, the first of which reinterprets fundamentals of food microbiology, examining the beneficial aspects of microorganisms in food and microbial responses from food environments and preservation. The second section discusses recent advances in understanding of the sustainable food production, covering, for example, agriculturally important microbes, farming microbes, and fermentation. A wide range of bio-factory issues in food production are also addressed, before turning attention to contemporary food safety approaches in the context of novel assessment methods for microbiological food characterization, improving food safety and food quality, etc. The final section is devoted to public health and its importance of microorganisms in food processing as well as the economic importance of microorganisms as this is also an increasingly important area as we move toward microbial research advances.

Drug Discovery from Natural Products

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Publisher : Royal Society of Chemistry
ISBN 13 : 1849733619
Total Pages : 435 pages
Book Rating : 4.8/5 (497 download)

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Book Synopsis Drug Discovery from Natural Products by : Olga Genilloud

Download or read book Drug Discovery from Natural Products written by Olga Genilloud and published by Royal Society of Chemistry. This book was released on 2012 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: An integrated review of the most recent trends in natural products, drug discovery, and key lead candidates that are outstanding for their chemistry and biology in novel drug development.

Advances in Probiotics

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Publisher : Academic Press
ISBN 13 : 0128230916
Total Pages : 568 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Advances in Probiotics by : Dharumadurai Dhanasekaran

Download or read book Advances in Probiotics written by Dharumadurai Dhanasekaran and published by Academic Press. This book was released on 2021-07-15 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Probiotics: Microorganisms in Food and Health highlights recent advances in probiotic microorganisms, commercial probiotics, safety aspects of probiotics, preparation and commercialization, microbiome therapy for diseases and disorders, and next generation probiotics. This is a comprehensive resource of developments of new formulations and products for probiotic and prebiotic food with focus on the microorganisms to enable effective probiotic delivery. The book deliberates contemporary trends and challenges, risks, limitations in probiotic and prebiotic food to deliver an understanding not only for research development purposes but also to benefit further standardize industrial requirements and other techno-functional traits of probiotics. At present there is no solitary volume to describe the probiotics and prebiotics properties, Advances in Probiotics: Microorganisms in Food and Health provides novel information to fill the overall gap in the market. It presents the most current information on probiotic and prebiotics for the food industry. This book is a valuable resource for academicians, researchers, food industrialists, and entrepreneurs. - Presents a simulated gastrointestinal system to analyze the probiotics effects on gut microbiome for learning purpose - Includes research information on Next Generation Probiotics to foster new formulations - Provides comprehensive information on probiotic microorganism behavior for more accurate analysis - Discusses the potential of probiotic and prebiotic foods in preventing disease

Biology and Biotechnology of Actinobacteria

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Publisher : Springer
ISBN 13 : 3319603396
Total Pages : 398 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Biology and Biotechnology of Actinobacteria by : Joachim Wink

Download or read book Biology and Biotechnology of Actinobacteria written by Joachim Wink and published by Springer. This book was released on 2017-10-19 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides in-depth insights into the biology, taxonomy, genetics, physiology and biotechnological applications of Actinobacteria. It especially focuses on the latter, reviewing the wide variety of actinobacterial bioactive molecules and their benefits for diverse industrial applications such as agriculture, aquaculture, biofuel production and food technology. Actinobacteria are one of the most promising sources of small bioactive molecules and it is estimated that only a small percentage of actinobacterial bioactive chemicals have been discovered to date. Identifying new diverse gene clusters of biotechnological relevance in the genome of Actinobacteria will be crucial to developing advanced applications for pharmaceutical, industrial and agricultural purposes. The book offers a unique resource for all graduate students, researchers and practitioners in the fields of microbiology, microbial biotechnology, and the genetic engineering of Actinobacteria.

Postbiotics

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Publisher : Elsevier
ISBN 13 : 0443221898
Total Pages : 861 pages
Book Rating : 4.4/5 (432 download)

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Book Synopsis Postbiotics by : Dhanasekaran Dharumadurai

Download or read book Postbiotics written by Dhanasekaran Dharumadurai and published by Elsevier. This book was released on 2024-10-09 with total page 861 pages. Available in PDF, EPUB and Kindle. Book excerpt: Postbiotics: Health and Industry provides a detailed overview on the fundamentals, biological and therapeutic properties, safety, and application of postbiotics in health and industry. Sections cover the fundamentals of postbiotics, which include insights on probiotic microorganisms, postbiotics, and host–microbe interaction, analysis, and characterization of postbiotics. The book goes on to delve into the different types of postbiotics and their mechanisms. Remaining sections explore various health, pharmaceutical, and industrial applications of postbiotics. - Provides an overview on the separation, characterization, and identification of postbiotics from probiotic microbes - Includes classes of postbiotics and their mechanisms of action - Discusses the safety of postbiotics in humans and animals and the use of multiomics to understand the effect of postbiotics on human physiology - Analyzes existing regulatory framework for postbiotics

Prokaryotic Antimicrobial Peptides

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Publisher : Springer Science & Business Media
ISBN 13 : 1441976922
Total Pages : 451 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Prokaryotic Antimicrobial Peptides by : Djamel Drider

Download or read book Prokaryotic Antimicrobial Peptides written by Djamel Drider and published by Springer Science & Business Media. This book was released on 2011-03-08 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book will provide an overview of the advancement of fundamental knowledge and applications of antimicrobial peptides in biomedical, agricultural, veterinary, food, and cosmetic products. Antimicrobial peptides stand as potentially great alternatives to current antibiotics, and most research in this newly-created area has been published in journals and other periodicals. It is the editors’ opinion that it is timely to sum up the most important achievements in the field and provide the scientific community in a reference book. The goals of this project include illustrating the achievements made so far, debating the state of the art, and drawing new perspectives.

Computer Applications in Fermentation Technology: Modelling and Control of Biotechnological Processes

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Publisher : Springer Science & Business Media
ISBN 13 : 9400911416
Total Pages : 451 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Computer Applications in Fermentation Technology: Modelling and Control of Biotechnological Processes by : N. M. Fish

Download or read book Computer Applications in Fermentation Technology: Modelling and Control of Biotechnological Processes written by N. M. Fish and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: Richard Fox Chairman, Scientific Programme Committee Between 25th and 29th September, 1988, 243 people who either apply or research the use of computers in fermentation gathered together at Robinson College, Cambridge, UK. They came from 30 countries. The conference brought together two traditions. Firstly, it continued the series on Computer Applications in Fermentation Technology (ICCAFT) inaugurated by Henri Blanchere in Dijon in 1973 and carried forward in Philadelphia and Manchester. Secondly, it brought the expertise of the many members of the International Federation of Automatic Control (IFAC), who focused their attention on biotechnology at Noordwijkerhout in the Netherlands in December, 1985. I am happy to say that the tradition carries on and a successor meeting will hopefully take place in the USA in 1991. If you find these proceedings useful or stimulating, then we hope to see you there. We set out to make ICCAFT4 a close-knit friendly conference. We housed all who cared to in Robinson College itself and organised no parallel sessions. Because we, the organisers, experience difficulty with the jargon of our colleagues from other disciplines, we asked Bruce Beck to present a breakfast tutorial on modern control and modelling techniques, and we set up informal panel discussions after dinner on two evenings. Neville Fish chaired a forum on the microbiological principles behind models, while Professors Derek Linkens and Ron Leigh led a discussion on expert systems in control.

Filaments in Bioprocesses

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Publisher : Springer
ISBN 13 : 3319205110
Total Pages : 370 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Filaments in Bioprocesses by : Rainer Krull

Download or read book Filaments in Bioprocesses written by Rainer Krull and published by Springer. This book was released on 2015-06-12 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book review series presents current trends in modern biotechnology. The aim is to cover all aspects of this interdisciplinary technology where knowledge, methods and expertise are required from chemistry, biochemistry, microbiology, genetics, chemical engineering and computer science. Volumes are organized topically and provide a comprehensive discussion of developments in the respective field over the past 3-5 years. The series also discusses new discoveries and applications. Special volumes are dedicated to selected topics which focus on new biotechnological products and new processes for their synthesis and purification. In general, special volumes are edited by well-known guest editors. The series editor and publisher will however always be pleased to receive suggestions and supplementary information. Manuscripts are accepted in English.

Antimicrobial Nanoarchitectonics

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Publisher : William Andrew
ISBN 13 : 0323527345
Total Pages : 578 pages
Book Rating : 4.3/5 (235 download)

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Book Synopsis Antimicrobial Nanoarchitectonics by : Alexandru Mihai Grumezescu

Download or read book Antimicrobial Nanoarchitectonics written by Alexandru Mihai Grumezescu and published by William Andrew. This book was released on 2017-06-22 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antimicrobial Nanoarchitectonics: From Synthesis to Applications brings together recent research in antimicrobial nanoparticles, specifically in the sustained and controlled delivery of antimicrobials. Particular attention is given to i) reducing the side effects of antibiotics, ii) increasing the pharmacological effect, and iii) improving aqueous solubility and chemical stability of different antimicrobials. In addition, antimicrobial nanoparticles in drug delivery are discussed extensively. The book also evaluates the pros and cons of using nanostructured biomaterials in the prevention and eradication of infections. It is an important reference resource for materials scientists and bioengineers who want to learn how nanomaterials are used in antimicrobial therapy. - Provides readers with the information necessary to select the appropriate bionanomaterial to solve particular infection problems - Includes case studies, showing how particular bionanomaterials have been used to cure infections - Explains the central role that nanotechnology plays in modern antimicrobial therapy - Evaluates the pros and cons of using nanostructured biomaterials in the prevention and eradication of infections

Halophilic Microorganisms and their Environments

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Publisher : Springer Science & Business Media
ISBN 13 : 0306480530
Total Pages : 571 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Halophilic Microorganisms and their Environments by : Aharon Oren

Download or read book Halophilic Microorganisms and their Environments written by Aharon Oren and published by Springer Science & Business Media. This book was released on 2006-04-06 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This water" he told me, "runs out to the eastern region, and flows into the Arabah; and when it comes into the sea, into the sea of foul waters [i. e. , the Dead Sea], the water will become wholesome. Every living creature that swarms will be able to live wherever this stream goes; the fish will be very abundant once these waters have reached there. It will be wholesome, and everything will live wherever this stream goes. Fishermen shall stand beside it all the way from En-gedi to En-eglaim; it shall be a place for drying nets; and the fish will be of various kinds [and] most plentiful, like the fish of the Great Sea. " Ezekiel’s prophecy (Ezekiel 47: 8-10) for revival and purification of the Dead Sea waters This new book on "Halophilic Microorganisms and their Environments" is the fifth volume in the COLE series (Cellular Origin and Life in Extreme Habitats (see: http://www. wkap. nl/prod/s/COLE). In the previous books we covered aspects of enigmatic microorganisms, microbial diversity, astrobiology, and symbiosis, so this book on halophilic microbes adds a fitting link to the rest of series' books. Since ancient times hypersaline habitats have been considered extreme environments, and some were thought not to sustain life at all. Yet, every organism requires salt for its existence. Salty places have been compared to an environment of extinction (e. g. , the Dead Sea).

Natural Products

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Publisher : John Wiley & Sons
ISBN 13 : 1118794605
Total Pages : 601 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Natural Products by : Anne Osbourn

Download or read book Natural Products written by Anne Osbourn and published by John Wiley & Sons. This book was released on 2014-04-02 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural Products: Discourse, Diversity and Design provides an informative and accessible overview of discoveries in the area of natural products in the genomic era, bringing together advances across the kingdoms. As genomics data makes it increasingly clear that the genomes of microbes and plants contain far more genes for natural product synthesis than had been predicted from the numbers of previously identified metabolites, the potential of these organisms to synthesize diverse natural products is likely to be far greater than previously envisaged. Natural Products addresses not only the philosophical questions of the natural role of these metabolites, but also the evolution of single and multiple pathways, and how these pathways and products may be harnessed to aid discovery of new bioactives and modes of action. Edited by recognized leaders in the fields of plant and microbial biology, bioorganic chemistry and natural products chemistry, and with contributions from researchers at top labs around the world, Natural Products is unprecedented in its combination of disciplines and the breadth of its coverage. Natural Produces: Discourse, Diversity and Design will appeal to advanced students and experienced researchers, from academia to industry, in diverse areas including ecology, industrial biotechnology, drug discovery, medicinal chemistry, agronomy, crop improvement, and natural product chemistry.

Lasso Peptides

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Publisher : Springer
ISBN 13 : 1493910108
Total Pages : 113 pages
Book Rating : 4.4/5 (939 download)

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Book Synopsis Lasso Peptides by : Yanyan Li

Download or read book Lasso Peptides written by Yanyan Li and published by Springer. This book was released on 2014-10-21 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasso peptides form a growing family of fascinating ribosomally-synthesized and post-translationally modified peptides produced by bacteria. They contain 15 to 24 residues and share a unique interlocked topology that involves an N-terminal 7 to 9-residue macrolactam ring where the C-terminal tail is threaded and irreversibly trapped. The ring results from the condensation of the N-terminal amino group with a side-chain carboxylate of a glutamate at position 8 or 9, or an aspartate at position 7, 8 or 9. The trapping of the tail involves bulky amino acids located in the tail below and above the ring and/or disulfide bridges connecting the ring and the tail. Lasso peptides are subdivided into three subtypes depending on the absence (class II) or presence of one (class III) or two (class I) disulfide bridges. The lasso topology results in highly compact structures that give to lasso peptides an extraordinary stability towards both protease degradation and denaturing conditions. Lasso peptides are generally receptor antagonists, enzyme inhibitors and/or antibacterial or antiviral (anti-HIV) agents. The lasso scaffold and the associated biological activities shown by lasso peptides on different key targets make them promising molecules with high therapeutic potential. Their application in drug design has been exemplified by the development of an integrin antagonist based on a lasso peptide scaffold. The biosynthesis machinery of lasso peptides is therefore of high biotechnological interest, especially since such highly compact and stable structures have to date revealed inaccessible by peptide synthesis. Lasso peptides are produced from a linear precursor LasA, which undergoes a maturation process involving several steps, in particular cleavage of the leader peptide and cyclization. The post-translational modifications are ensured by a dedicated enzymatic machinery, which is composed of an ATP-dependent cysteine protease (LasB) and a lactam synthetase (LasC) that form an enzymatic complex called lasso synthetase. Microcin J25, produced by Escherichia coli AY25, is the archetype of lasso peptides and the most extensively studied. To date only around forty lasso peptides have been isolated, but genome mining approaches have revealed that they are widely distributed among Proteobacteria and Actinobacteria, particularly in Streptomyces, making available a rich resource of novel lasso peptides and enzyme machineries towards lasso topologies.

Applications of Cell Immobilisation Biotechnology

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Publisher : Springer Science & Business Media
ISBN 13 : 140203363X
Total Pages : 556 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Applications of Cell Immobilisation Biotechnology by : Viktor Nedovic

Download or read book Applications of Cell Immobilisation Biotechnology written by Viktor Nedovic and published by Springer Science & Business Media. This book was released on 2006-04-06 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell immobilisation biotechnology is a multidisciplinary area, shown to have an important impact on many scientific subdisciplines – including biomedicine, pharmacology, cosmetology, food and agricultural sciences, beverage production, industrial waste treatment, analytical applications, biologics production. "Cell Immobilisation Biotechnology" is an outcome of the editors’ intention to collate the extensive and widespread information on fundamental aspects and applications of immobilisation/encapsulation biotechnology into a comprehensive reference work and to provide an overview of the most recent results and developments in this domain. "Cell Immobilisation Biotechnology" is divided into the two book volumes, FOBI 8A and FOBI 8B. The FOBI 8A volume, Fundamentals of Cell Immobilisation Biotechnology, is dedicated to fundamental aspects of cell immobilisation while the present volume, FOBI 8B, Applications of Cell Immobilisation Biotechnology, deals with diverse applications of this technology.

Food Microbiology Protocols

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Publisher : Springer Science & Business Media
ISBN 13 : 1592590292
Total Pages : 482 pages
Book Rating : 4.5/5 (925 download)

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Book Synopsis Food Microbiology Protocols by : John F. T. Spencer

Download or read book Food Microbiology Protocols written by John F. T. Spencer and published by Springer Science & Business Media. This book was released on 2008-02-05 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two of the recent books in the Methods in Molecular Biology series, Yeast Protocols and Pichia Protocols, have been narrowly focused on yeasts and, in the latter case, particular species of yeasts. Food Microbiology Pro- cols, of necessity, covers a very wide range of microorganisms. Our book treats four categories of microorganisms affecting foods: (1) Spoilage organisms; (2) pathogens; (3) microorganisms in fermented foods; and (4) microorganisms p- ducing metabolites that affect the flavor or nutritive value of foods. Detailed information is given on each of these categories. There are several chapters devoted to the microorganisms associated with fermented foods: these are of increasing importance in food microbiology, and include one bacteriophage that kills the lactic acid bacteria involved in the manufacture of different foods—cottage cheese, yogurt, sauerkraut, and many others. The other nine chapters give procedures for the maintenance of lactic acid bacteria, the isolation of plasmid and genomic DNA from species of Lac- bacillus, determination of the proteolytic activity of lactic acid bacteria, det- mination of bacteriocins, and other important topics.