Source Plasma Pour La Decontamination Microbiologique Des Liquides

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Source plasma pour la décontamination microbiologique des liquides

Author : Ibtissam Courti
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)

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Book Synopsis Source plasma pour la décontamination microbiologique des liquides by : Ibtissam Courti

Download or read book Source plasma pour la décontamination microbiologique des liquides written by Ibtissam Courti and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: De nos jours, la sécurité sanitaire est au centre des préoccupations des acteurs socio-économiques. L'un des problèmes sanitaires émergeant est la libération des bactéries pathogènes et résistantes aux antibiotiques dans l'environnement aquatique. Les décharges plasma à la pression atmosphérique sont d'un grand intérêt pour de nombreuses applications. L'une de ces applications est la décontamination microbiologie des liquides. Les travaux développés dans cette thèse participent à mieux appréhender l'intérêt du plasma pour la décontamination microbiologie de liquides et pour la dégradation des gènes de résistance aux antibiotiques. La source utilisée est un multi-jets plasma généré à partir d'un mélange hélium-oxygène à la pression atmosphérique. Différents diagnostics ont été réalisés pour la caractérisation de la décharge plasma. Les mesures de courant et de tension réalisées nous ont permis de déterminer l'énergie du plasma. La spectroscopie d'émission optique mise en oeuvre nous a permis de mettre en évidence et d'identifier les espèces réactives de l'oxygène et de l'azote (RONS) dans le plasma. La création des RONS tels que le peroxyde d'hydrogène, les nitrites et les nitrates dans le liquide modifie la chimie du liquide. Dans ce contexte nous avons quantifié la production de ces espèces dans le liquide. L'interaction plasma-bactérie pour la décontamination microbiologie des liquides a été évaluée à travers trois études distinctes. La première consiste à comprendre l'influence de la phase de croissance des bactéries sur l'efficacité du procédé de décontamination par plasma. Nous avons montré que les bactéries en phase exponentielle sont plus sensibles au traitement plasma que les bactéries issues de la phase stationnaire. De plus, les cellules en phase exponentielle sont plus susceptibles de réduire leur activité métabolique en passant à l'état de bactéries viables mais non-cultivables (VBNC) après un court temps d'exposition au plasma tandis que celles en phase stationnaire acceptent un temps plus long d'exposition au plasma avant d'entrer dans cet état. Pour mieux appréhender les raisons qui peuvent expliquer ces différences, nous avons évalué l'effet du plasma sur l'intégrité de la membrane cellulaire et de l'ADN. Dans la seconde étude, nous avons évalué l'effet de la présence du plasmide sur la sensibilité des bactéries au traitement par plasma. Cette étude a révélé que les bactéries portant un plasmide sont plus sensibles au plasma que celles qui en sont dépourvues. Les bactéries soumises à une intégration de plasmide ont subi plus de dommages membranaires et un taux de ROS intracellulaires plus élevé après exposition au plasma. Nous suggérons que la présence de plasmides présente des inconvénients pour les bactéries en diminuant leur croissance et en imposant un état d'affaiblissement. La dernière étude consiste à évaluer l'effet du plasma sur la dégradation des gènes de résistance aux antibiotiques et sur la réduction des mécanismes de transfert horizontal des gènes (HGT) entre les bactéries donneuses traitées par plasma et celles réceptrices non traitées par plasma. Nous avons démontré que le plasma réduit le nombre de cellules donneuses, ce qui par conséquent diminue la fréquence de transfert conjugatif. Nous avons également conclu que le transfert de plasmides pouvait se produire chez les bactéries VBNC. Toutefois, la prolongation du temps d'exposition entraîne une inhibition de HGT. Bien que le plasma semble être une solution pour la décontamination des liquides et la dégradation des gènes de résistance aux antibiotiques, il serait pertinent de réaliser des études intégrant des conditions qui se rapprochent de l'environnement réel avec la présence de matière organique et en augmentant le volume du liquide traitement.

Ultraviolet Light in Food Technology

Author : Tatiana Koutchma
Publisher : CRC Press
ISBN 13 : 1000649989
Total Pages : 361 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Ultraviolet Light in Food Technology by : Tatiana Koutchma

Download or read book Ultraviolet Light in Food Technology written by Tatiana Koutchma and published by CRC Press. This book was released on 2019-05-20 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: UV light is one of a number of emerging non-thermal food processing technologies that can be used in a broad range of applications producing food products with longer shelf-life, more safe, and with higher nutritional quality. The new edition of Ultraviolet Light in Food Technology: Principles and Applications will present recent understanding of the fundamentals of UV light along with new applied knowledge that has accumulated during the 7 years since the first edition published in 2009. The new edition of the book will have 11 chapters including 2 new chapters--on chemical destruction with UV light and food plant safety—along with 6 chapters greatly expanded and updated.

Ozone in Food Processing

Author : Colm O'Donnell
Publisher : John Wiley & Sons
ISBN 13 : 1118307437
Total Pages : 315 pages
Book Rating : 4.1/5 (183 download)

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Book Synopsis Ozone in Food Processing by : Colm O'Donnell

Download or read book Ozone in Food Processing written by Colm O'Donnell and published by John Wiley & Sons. This book was released on 2012-02-13 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first to bring together essential information on the application of ozone in food processing, providing an insight into the current state-of-the-art and reviewing established and emerging applications in food processing, preservation and waste management. The chemical and physical properties of ozone are described, along with its microbial inactivation mechanisms. The various methods of ozone production are compared, including their economic and technical aspects. Several chapters are dedicated to the major food processing applications: fruit and vegetables, grains, meat, seafood and food hydrocolloids, and the effects on nutritional and quality parameters will be reviewed throughout. Further chapters examine the role of ozone in water treatment, in food waste treatment and in deactivating pesticide residues. The international regulatory and legislative picture is addressed, as are the health and safety implications of ozone processing and possible future trends.

Cell and Tissue Culture

Author : Alan Doyle
Publisher : Wiley
ISBN 13 : 9780471982555
Total Pages : 0 pages
Book Rating : 4.9/5 (825 download)

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Book Synopsis Cell and Tissue Culture by : Alan Doyle

Download or read book Cell and Tissue Culture written by Alan Doyle and published by Wiley. This book was released on 1998-11-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell and Tissue Culture: Laboratory Procedures in BiotechnologyEdited by Alan Doyle Centre for Applied Microbiology &Research, Porton Down, Salisbury, UK. and J. Bryan GriffithsScientific Consultancy & Publishing, Porton, Salisbury, UK.Cell and Tissue Culture: Laboratory Procedures in Biotechnologyintroduces the reader to animal cell culture methods describing thekey cells, core techniques, how to scale up the culture forcommercial production, and regulatory aspects. This book provideseasy to follow, step-by-step protocols, with trouble-shooting tipsand notes on time considerations. Alternative procedures,background information and references supplement the mainprocedures described. Other features include: * Experimental examples to indicate expected results; * Quick reference symbols such as safety icons with warning notes;and, * A list of suppliers is provided to allow easy access tolaboratory products. Written by a team of international scientists, Cell and TissueCulture: Laboratory Procedures in Biotechnology will be of interestto researchers, technicians and process engineers using cellculture within the biotechnology, biomedicine and pharmaceuticalindustries.

Madkour's Brucellosis

Author : M.Monir Madkour
Publisher : Springer Science & Business Media
ISBN 13 : 3642595332
Total Pages : 536 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Madkour's Brucellosis by : M.Monir Madkour

Download or read book Madkour's Brucellosis written by M.Monir Madkour and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: A full description of the clinical aspect and pathology of the disease, with a discussion of current treatment. This updated edition includes five new chapters: endocrinal brucellosis, difficulties in diagnosis and management, HIV and brucellosis, bioterrorism and brucellae, and spondylitis with neurobrucellosis. The book presents a complete, up-to-date picture of the disorder and will appeal to clinicians, students, researchers and also to veterinarians.

The Microbiological Safety of Low Water Activity Foods and Spices

Author : Joshua B. Gurtler
Publisher : Springer
ISBN 13 : 1493920626
Total Pages : 437 pages
Book Rating : 4.4/5 (939 download)

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Book Synopsis The Microbiological Safety of Low Water Activity Foods and Spices by : Joshua B. Gurtler

Download or read book The Microbiological Safety of Low Water Activity Foods and Spices written by Joshua B. Gurtler and published by Springer. This book was released on 2014-12-08 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low water activity (aw) and dried foods such as dried dairy and meat products, grain-based and dried ready-to-eat cereal products, powdered infant formula, peanut and nut pastes, as well as flours and meals have increasingly been associated with product recalls and foodborne outbreaks due to contamination by pathogens such as Salmonella spp. and enterohemorrhagic E. coli. In particular, recent foodborne outbreaks and product recalls related to Salmonella-contaminated spices have raised the level of public health concern for spices as agents of foodborne illnesses. Presently, most spices are grown outside the U.S., mainly in 8 countries: India, Indonesia, China, Brazil, Peru, Madagascar, Mexico and Vietnam. Many of these countries are under-developed and spices are harvested and stored with little heed to sanitation. The FDA has regulatory oversight of spices in the United States; however, the agency’s control is largely limited to enforcing regulatory compliance through sampling and testing only after imported foodstuffs have crossed the U.S. border. Unfortunately, statistical sampling plans are inefficient tools for ensuring total food safety. As a result, the development and use of decontamination treatments is key. This book provides an understanding of the microbial challenges to the safety of low aw foods, and a historic backdrop to the paradigm shift now highlighting low aw foods as vehicles for foodborne pathogens. Up-to-date facts and figures of foodborne illness outbreaks and product recalls are included. Special attention is given to the uncanny ability of Salmonella to persist under dry conditions in food processing plants and foods. A section is dedicated specifically to processing plant investigations, providing practical approaches to determining sources of persistent bacterial strains in the industrial food processing environment. Readers are guided through dry cleaning, wet cleaning and alternatives to processing plant hygiene and sanitation. Separate chapters are devoted to low aw food commodities of interest including spices, dried dairy-based products, low aw meat products, dried ready-to-eat cereal products, powdered infant formula, nuts and nut pastes, flours and meals, chocolate and confectionary, dried teas and herbs, and pet foods. The book provides regulatory testing guidelines and recommendations as well as guidance through methodological and sampling challenges to testing spices and low aw foods for the presence of foodborne pathogens. Chapters also address decontamination processes for low aw foods, including heat, steam, irradiation, microwave, and alternative energy-based treatments.

Membrane Engineering

Author : Enrico Drioli
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110381540
Total Pages : 428 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis Membrane Engineering by : Enrico Drioli

Download or read book Membrane Engineering written by Enrico Drioli and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern membrane science and technology aids engineers in developing and designing more efficient and environmentally-friendly processes. The optimal material and membrane selection as well as applications in the many involved industries are provided. This work is the ideal introduction for engineers working in membrane science and applications (wastewater, desalination, adsorption, and catalysis), process engineers in separation science, biologists and biochemists, environmental scientists, and most of all students. Its multidisciplinary approach also stimulates thinking of hybrid technologies for current and future life-saving applications (artificial organs, drug delivery).

Novel Thermal and Non-Thermal Technologies for Fluid Foods

Author : Patrick J. Cullen
Publisher : Academic Press
ISBN 13 : 0123814707
Total Pages : 544 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Novel Thermal and Non-Thermal Technologies for Fluid Foods by : Patrick J. Cullen

Download or read book Novel Thermal and Non-Thermal Technologies for Fluid Foods written by Patrick J. Cullen and published by Academic Press. This book was released on 2011-08-17 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chapter 1. Status and Trends of Novel Thermal and Non-Thermal Technologies for Fluid Foods -- Chapter 2. Fluid Dynamics in Novel Thermal and Non-Thermal Processes -- Chapter 3. Fluid Rheology in Novel Thermal and Non-Thermal Processes --Chapter 4. Pulsed Electric Field Processing of Fluid Foods -- Chapter 5. High Pressure Processing of Fluid Foods -- Chapter 6. Ultrasound Processing of Fluid Foods -- Chapter 7. Irradiation of Fluid Foods -- Chapter 8. Ultraviolet and Pulsed Light Processing of Fluid Foods -- Chapter 9. Ozone Processing of Fluid Foods -- Chapter 10. Dense Phase Carbon Dioxide Processing of Fluid Foods -- Chapter 11. Ohmic Heating of Fluid Foods -- Chapter 12. Microwave Heating of Fluid Foods -- Chapter 13. Infrared Heating of Fluid Foods -- Chapter 14. Modelling the Kinetics of Microbial and Quality Attributes of Fluid Food during Novel Thermal and Non-Thermal Processes -- Chapter 15. Regulatory and Legislative issues for Thermal and Non-Thermal Technologies: An EU Pers ...

Innovative Technologies for Food Preservation

Author : Francisco J. Barba
Publisher : Academic Press
ISBN 13 : 0128110325
Total Pages : 329 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Innovative Technologies for Food Preservation by : Francisco J. Barba

Download or read book Innovative Technologies for Food Preservation written by Francisco J. Barba and published by Academic Press. This book was released on 2017-09-21 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovative Technologies for Food Preservation: Inactivation of Spoilage and Pathogenic Microorganisms covers the latest advances in non-thermal processing, including mechanical processes (such as high pressure processing, high pressure homogenization, high hydrodynamic pressure processing, pressurized fluids); electromagnetic technologies (like pulsed electric fields, high voltage electrical discharges, Ohmic heating, chemical electrolysis, microwaves, radiofrequency, cold plasma, UV-light); acoustic technologies (ultrasound, shockwaves); innovative chemical processing technologies (ozone, chlorine dioxide, electrolysis, oxidized water) and others like membrane filtration and dense phase CO2. The title also focuses on understanding the effects of such processing technologies on inactivation of the most relevant pathogenic and spoilage microorganisms to ensure food safety and stability. Over the course of the 20th century, the interest and demand for the development and application of new food preservation methods has increased significantly. The research in the last 50 years has produced various innovative food processing technologies and the use of new technologies for inactivation of spoilage and/or pathogenic microorganisms will depend on several factors. At this stage of development there is a need to better understand the mechanisms that govern microbial inactivation as induced by new and innovative processing technologies, as well as suitable and effective conditions for inactivating the microorganism. - Serves as a summary of relevant spoilage and pathogenic microorganisms for different foods as influenced by the application of innovative technologies for their preservation - Provides readers with an in-depth understanding on how effective innovative processing technologies are for controlling spoilage and pathogenic microorganisms in different foods - Integrates concepts in order to find the optimum conditions for microbial inactivation and preservation of major and minor food compounds

Effect of Emerging Processing Methods on the Food Quality

Author : Shahin Roohinejad
Publisher : Springer
ISBN 13 : 303018191X
Total Pages : 208 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Effect of Emerging Processing Methods on the Food Quality by : Shahin Roohinejad

Download or read book Effect of Emerging Processing Methods on the Food Quality written by Shahin Roohinejad and published by Springer. This book was released on 2019-07-11 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text comprehensively covers novel, innovative technologies used in the food and beverage industries in order to provide safe and healthy foods for consumers. The research provided in these chapters aims to show that the traditional pasteurization and commercial sterilization of foods result in unacceptable quality and nutrient retention, creating an important need for alternative methods used to minimize undesirable reactions such as thermal decomposition or degradation. Emerging processing methods to minimize heat induced alterations in foods and their applications are covered in-depth, demonstrating that these methods are useful not only for the inactivation of microorganisms and enzymes but also for improving the yield and development of ingredients and marketable foods with higher quality and better nutritional characteristics. Effect of Emerging Processing Methods on the Food Quality: Advantages and Challenges not only covers the advantages of using innovative processing methods, but also the disadvantages and challenges of using these techniques on food quality. Each chapter focuses on a different emerging processing technique, breaking down the sensory, textural and nutritional aspects for different food products in addition to the advantages and challenges for each method. New technologies and advanced theories are a major focus, pointing to innovative new paths for the quality and safety assurance in food products. From pulsed electric fields to ultrasounds, this work covers all aspects of emerging processing techniques for fruits and vegetables, foods and dairy products.

Pharmaceutical Isolators

Author : Brian Midcalf
Publisher : Pharmaceutical Press
ISBN 13 : 9780853695738
Total Pages : 292 pages
Book Rating : 4.6/5 (957 download)

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Book Synopsis Pharmaceutical Isolators by : Brian Midcalf

Download or read book Pharmaceutical Isolators written by Brian Midcalf and published by Pharmaceutical Press. This book was released on 2004 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work considers the basic concepts, definitions, and standards necessary in the design, construction, commissioning, maintenance, and use of pharmaceutical isolators.

Microbial Decontamination in the Food Industry

Author : Ali Demirci
Publisher : Elsevier
ISBN 13 : 0857095757
Total Pages : 841 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Microbial Decontamination in the Food Industry by : Ali Demirci

Download or read book Microbial Decontamination in the Food Industry written by Ali Demirci and published by Elsevier. This book was released on 2012-06-26 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of creating microbiologically-safe food with an acceptable shelf-life and quality for the consumer is a constant challenge for the food industry. Microbial decontamination in the food industry provides a comprehensive guide to the decontamination problems faced by the industry, and the current and emerging methods being used to solve them.Part one deals with various food commodities such as fresh produce, meats, seafood, nuts, juices and dairy products, and provides background on contamination routes and outbreaks as well as proposed processing methods for each commodity. Part two goes on to review current and emerging non-chemical and non-thermal decontamination methods such as high hydrostatic pressure, pulsed electric fields, irradiation, power ultrasound and non-thermal plasma. Thermal methods such as microwave, radio-frequency and infrared heating and food surface pasteurization are also explored in detail. Chemical decontamination methods with ozone, chlorine dioxide, electrolyzed oxidizing water, organic acids and dense phase CO2 are discussed in part three. Finally, part four focuses on current and emerging packaging technologies and post-packaging decontamination.With its distinguished editors and international team of expert contributors, Microbial decontamination in the food industry is an indispensable guide for all food industry professionals involved in the design or use of novel food decontamination techniques, as well as any academics researching or teaching this important subject. - Provides a comprehensive guide to the decontamination problems faced by the industry and outlines the current and emerging methods being used to solve them - Details backgrounds on contamination routes and outbreaks, as well as proposed processing methods for various commodities including fresh produce, meats, seafood, nuts, juices and dairy products - Sections focus on emerging non-chemical and non-thermal decontamination methods, current thermal methods, chemical decontamination methods and current and emerging packaging technologies and post-packaging decontamination

Some Antiviral and Antineoplastic Drugs, and Other Pharmaceutical Agents

Author : IARC Working Group on the Evaluation of Carcinogenic Risks to Humans
Publisher : World Health Organization
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Some Antiviral and Antineoplastic Drugs, and Other Pharmaceutical Agents by : IARC Working Group on the Evaluation of Carcinogenic Risks to Humans

Download or read book Some Antiviral and Antineoplastic Drugs, and Other Pharmaceutical Agents written by IARC Working Group on the Evaluation of Carcinogenic Risks to Humans and published by World Health Organization. This book was released on 2000 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluates the carcinogenic risks to humans posed by the use of four antiretroviral agents four DNA topoisomerase II inhibitors used in the treatment of cancer and an additional three pharmaceutical agents (hydroxyures phenolphthalein and vitamin K substances). The volume marks the first IARC evaluation of nucleoside analogs that act as antiviral agents. The evaluation responds in part to recent findings that zidovudine (AZT) an effective antiretroviral agent now being given to pregnant HIV-infected women to prevent maternal-to-fetal transmission of the virus is a transplacental carcinogen in mice. The opening monograph evaluates the carcinogenicity to humans of the antiretroviral nucleoside analogs zidovudine (AZT) zalcitabine (ddC) and didanosine (ddI) and the antiherpesvirus drug aciclovir. Of these aciclovir and didanosine could not be classified on the basis of available data. For zidovudine transplacental administration to mice resulted in an increased incidence and multiplicity of lung and liver tumours and in an increased incidence of female reproductive tract tumours in one study but not in another involving treatment at a lower dose. Despite observation of toxic effects in some studies of humans human carcinogenicity data were judged to provide inadequate evidence of carcinogenicity in humans. Zidovudine was classified as possibly carcinogenic to humans. Similar weaknesses in human carcinogenicity data for zalcitabine which consistently induces thymic lymphomas in mice resulted in its classification as possibly carcinogenic to humans. The second monograph evaluates four DNA topoisomerase II inhibitors: etoposide teniposide mitoxantrone and amsacrine. Of these etoposide - one of the most widely used and effective cytotoxic drugs in combination therapy - was classified as probably carcinogenic to humans and etoposide in combination with cisplatin and bleomycin was judged to be carcinogenic to humans. Teniposide was classified as probably carcinogenic to humans and mitoxantrone and amsacrine were classified as possibly carcinogenic to humans. Of the three pharmaceutical agents evaluated in the final monograph hydroxyurea which is widely used in cancer treatment and increasingly in combination with didanosine in HIV infection could not be classified. Phenolphthalein a widely used laxative now being withdrawn from the market in many countries because of toxicological concerns was classified as possibly carcinogenic. Vitamin K substances could not be classified on the basis of available evidence.

Sea Plants

Author :
Publisher : Elsevier
ISBN 13 : 012408107X
Total Pages : 593 pages
Book Rating : 4.1/5 (24 download)

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Book Synopsis Sea Plants by :

Download or read book Sea Plants written by and published by Elsevier. This book was released on 2014-05-21 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Botanical Research publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences. The series features several reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology and ecology. This thematic volume, number 71, features reviews on sea plants. Its chapters cover topics such as the role of algae in sustainability; the status of kelp exploitation and marine agronomy; potential applications for enzymatic recovery of metabolites from seaweeds; and many more. - Publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences - Features a wide range of reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology, and ecology - Volume features reviews on sea plants

Emerging Micro-pollutants in the Environment

Author : Sudarshan Kurwadkar
Publisher : ACS Symposium
ISBN 13 : 9780841230781
Total Pages : 0 pages
Book Rating : 4.2/5 (37 download)

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Book Synopsis Emerging Micro-pollutants in the Environment by : Sudarshan Kurwadkar

Download or read book Emerging Micro-pollutants in the Environment written by Sudarshan Kurwadkar and published by ACS Symposium. This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Distributed in print by Oxford University Press."

Plasma for Bio-Decontamination, Medicine and Food Security

Author : Zdenko Machala
Publisher : Springer Science & Business Media
ISBN 13 : 9400728522
Total Pages : 479 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Plasma for Bio-Decontamination, Medicine and Food Security by : Zdenko Machala

Download or read book Plasma for Bio-Decontamination, Medicine and Food Security written by Zdenko Machala and published by Springer Science & Business Media. This book was released on 2012-02-03 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-thermal (cold) plasmas at atmospheric pressure have recently found many breakthrough applications in biology, medicine, and food security. Plasmas can efficiently kill bacteria, yeasts, moulds, spores, biofilms and other hazardous microorganisms, including potential bio-terrorism agents. They can be employed for bio-decontamination and sterilization of surfaces, medical instruments, water, air, food, even of living tissues without causing their damage. Direct or indirect plasma interaction with living cells of microorganisms or even humans enables novel bio-medical applications, e.g. treatment of skin diseases and ulcers. Plasma-enhanced blood coagulation coupled with its antiseptic properties proved success in wound healing and opens new possibilities in surgery, emergency medicine and military applications. Plasma treatment allows cell manipulations, their removal and targeted transfer into the injured area, which can accelerate wound healing. Plasma induced apoptosis (programmed cell death) of tumor cells brings forth a great potential for cancer treatment. Besides, plasma enables painless treatment of dental caries, root canal disinfection, and other dentistry applications. This book is a selection of reviewed manuscripts issuing from the NATO Advanced Research Workshop Plasma for bio-decontamination, medicine and food security held in Jasná, Slovakia, on 15-18 March 2011. It provides a comprehensive overview of the current knowledge and research activities focused at the plasma applications in areas such as bio-decontamination, water chemistry, effects on cells; biofilm inactivation, UV sterilization, and medicine, especially tissue treatment and wound healing, as well as dentistry and food security.

Helicases from All Domains of Life

Author : Renu Tuteja
Publisher : Academic Press
ISBN 13 : 9780128146859
Total Pages : 200 pages
Book Rating : 4.1/5 (468 download)

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Book Synopsis Helicases from All Domains of Life by : Renu Tuteja

Download or read book Helicases from All Domains of Life written by Renu Tuteja and published by Academic Press. This book was released on 2018-10-15 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Helicases are ubiquitous enzymes found throughout evolution. Research in the helicase field has been going on for a long time now but in recent past with the completion of so many genomes, these enzymes have been discovered in a number of organisms. But the available literature is scattered. The huge number of identified DNA and RNA helicases, along with the structural and functional differences among them, make difficult for the interested scholar to grasp a comprehensive view of the field. Helicases from all Domains of Life is the first book to compile information about helicases from many different organisms in one place. Knowledge of the functions and features of helicases across the different kingdoms of life are a valuable source of novel ideas and information The book begins with a chapter on the evolutionary history of helicases followed by three "overview" chapters: one for bacteria/archaea (which are not mentioned), one for plants/algae and one for human helicases The overview chapters are followed by specific chapters on selected helicases of great importance from a biological/applicative point of view