Chemical Oxidations with Microorganisms PDF Download
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Author: Gunther S. Fonken
Publisher:
ISBN: 9780835760522
Category :
Languages : en
Pages : 302
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Book Description
Author: Gunther S. Fonken
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 314
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Book Description
Author: S. Servi
Publisher: Springer Science & Business Media
ISBN: 9401124442
Category : Science
Languages : en
Pages : 483
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Book Description
Proceedings of the NATO Advanced Research Workshop, Sestri Levante, Italy, March 23-27, 1992
Author: Gunther S. Fonken
Publisher:
ISBN:
Category :
Languages : en
Pages : 292
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Book Description
Author: A. H. Rose
Publisher: Elsevier
ISBN: 1483103552
Category : Science
Languages : en
Pages : 480
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Book Description
Chemical Microbiology: An Introduction to Microbial Physiology, Third Edition covers aspects of the chemical activities of microorganisms. The book describes the molecular architecture of microorganisms, the methods used in studying this molecular architecture; and the ways by which microorganisms can respond to and modify their environment. The text also discusses the various environmental factors that influence microbial activity. The book tackles the principles, the strategies employed, and the methods used in the studies of microbial metabolism. The transport of compounds into and out of microorganisms by the solute-transport processes and endocytosis; the principles of bioenergetics and biosynthesis; and the regulation of metabolism are also considered. The book tackles as well the growth, survival and differentiation of microorganisms. Biologists, microbiologists, chemical microbiologists, geneticists, and biochemists will find this book invaluable.
Author: V. P. Evangelou
Publisher: CRC Press
ISBN: 1351420798
Category : Science
Languages : en
Pages : 308
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Book Description
Pyrite Oxidation and its Control is the single available text on the market that presents the latest findings on pyrite oxidation and acid mine drainage (AMD). This new information is an indispensable reference for generating new concepts and technologies for controlling pyrite oxidation. This book focuses on pyrite oxidation theory, experimental findings on oxidation mechanisms, as well as applications and limitations of amelioration technologies. The text also includes discussions on the theory and potential application of novel pyrite microencapsulation technologies for controlling pyrite oxidation currently under investigation in the author's laboratory.
Author: Christopher L. Schultz
Publisher:
ISBN: 9781124705514
Category : Oxidation
Languages : en
Pages : 65
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Book Description
In-situ chemical oxidation (ISCO) is based on the delivery of oxidants to the subsurface where the oxidant is consumed by the contaminants of concern as well as by natural organic matter and other reduced species within the soil. The amount of oxidant consumed by the soil is known as the natural oxidant demand (NOD). During ISCO, the oxidant can change the physical and chemical structure of the soil, altering the microbial environment, and killing microorganisms. The following study was performed to assess the effects of chemical oxidation on NOD removal and microbial activity as expressed through the biodegradation of toluene. The oxidants evaluated as part of this study included sodium percarbonate, hydrogen peroxide, sodium persulfate, and potassium permanganate. Each of the oxidants was evaluated at low, medium and high dosages. A permanganate chemical oxygen demand (PCOD) test was used to determine the pre- and post-treatment NOD of the soil. Following chemical oxidation, each soil sample was added to a biometer flask, seeded with the microbe Pseudomonas putida F1, and then an aliquot of aqueous phase toluene was added to each biometer flask. The CO2 production from each sample was monitored with time to evaluate the oxidation effects on microbial activity. The oxidants potassium permanganate, sodium persulfate, sodium percarbonate, and hydrogen peroxide all removed some permanganate NOD (PNOD) with permanganate expressing the largest removal of PNOD. Each of the oxidants affected microbial CO2 production with permanganate, hydrogen peroxide, and sodium persulfate oxidation resulting in increased in overall CO2 production. Sodium percarbonate oxidation resulted in decreasing CO2 production. The ISCO process adversely affected microbial activity only when percarbonate was used.
Author: Shree Nath Singh
Publisher: Springer Science & Business Media
ISBN: 3642237894
Category : Science
Languages : en
Pages : 488
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Book Description
Our interest in the microbial biodegradation of xenobiotics has increased many folds in recent years to find out sustainable ways for environmental cleanup. Bioremediation and biotransformation processes harness the naturally occurring ability of microbes to degrade, transform or accumulate a wide range of organic pollutants. Major methodological breakthroughs in recent years through detailed genomic, metagenomic, proteomic, bioinformatic and other high-throughput analyses of environmentally relevant microorganisms have provided us unprecedented insights into key biodegradative pathways and the ability of organisms to adapt to changing environmental conditions. The degradation of a wide spectrum of organic pollutants and wastes discharged into the environment by anthropogenic activities is an emerging need today to promote sustainable development of our society with low environmental impact. Microbial processes play a major role in the removal of recalcitrant compounds taking advantage of the astonishing catabolic versatility of microorganisms to degrade or transform such compounds. New breakthroughs in sequencing, genomics, proteomics, bioinformatics and imaging are generating vital information which opens a new era providing new insights of metabolic and regulatory networks, as well as clues to the evolution of degradation pathways and to the molecular adaptation strategies to changing environmental conditions. Functional genomic and metagenomic approaches are increasing our understanding of the relative importance of different pathways and regulatory networks to carbon flux in particular environments and for particular compounds. New approaches will certainly accelerate the development of bioremediation technologies and biotransformation processes in coming years for natural attenuation of contaminated environments
Author: Colin Ratledge
Publisher: Springer Science & Business Media
ISBN: 9401116873
Category : Science
Languages : en
Pages : 598
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Book Description
Life on the planet depends on microbial activity. The recycling of carbon, nitrogen, sulphur, oxygen, phosphate and all the other elements that constitute living matter are continuously in flux: microorganisms participate in key steps in these processes and without them life would cease within a few short years. The comparatively recent advent of man-made chemicals has now challenged the environment: where degradation does not occur, accumulation must perforce take place. Surprisingly though, even the most recalcitrant of molecules are gradually broken down and very few materials are truly impervious to microbial attack. Microorganisms, by their rapid growth rates, have the most rapid turn-over of their DNA of all living cells. Consequently they can evolve altered genes and therefore produce novel enzymes for handling "foreign" compounds - the xenobiotics - in a manner not seen with such effect in other organisms. Evolution, with the production of micro-organisms able to degrade molecules hitherto intractable to breakdown, is therefore a continuing event. Now, through the agency of genetic manipulation, it is possible to accelerate this process of natural evolution in a very directed manner. The time-scale before a new microorganism emerges that can utilize a recalcitrant molecule has now been considerably shortened by the application of well-understood genetic principles into microbiology. However, before these principles can be successfully used, it is essential that we understand the mechanism by which molecules are degraded, otherwise we shall not know where best to direct these efforts.
Author: David T. Gibson
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 562
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Book Description
Author: Peter Kroneck
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 311058977X
Category : Science
Languages : en
Pages : 386
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Book Description
One of the biggest questions in today's biochemistry is how biological molecules became essential for the processes that occur within living cells. This new book from outstanding Metal Ions in Life Science series gives an overview about biochemical evolution of organic molecules and metabolic pathways in living systems and outlines the vital biochemical processes in microbial cells in which metals are involved.
