Biodegradation of Pesticides

Biodegradation of Pesticides PDF Author: Fumio Matsumura
Publisher: Springer Science & Business Media
ISBN: 1468440888
Category : Medical
Languages : en
Pages : 316

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Book Description
When first developed, chlorinated pesticides such as DDT, dieldrin, and mirex were received with open arms, quickly becoming popular as effective, economic agents against pests. But evidence began to mount that residues of these chemicals remained in the environment, not breaking down, often appearing in plants and animals. By the late seventies many pesticides had achieved a terrible notoriety and were subsequently banned in a number of countries. Of tremendous concern, then, is the persistence of pesticides in the environment. The major thrust of research and development in the area of pesticides has properly been the creation of substances that are both effective and degradable. Yet in order to successfully promote the use of biodegradable pesticides, one must fully understand the mechanism of degradation, and it is to this vital subject that we address ourselves in the present volume. According to the Biodegradation Task Force, Safety of Chemicals Com mittee, Brussels (1978), biodegradation may be defined as the molecular degradation of an organic substance resulting from the complex action of living organisms. A substance is said to be biodegraded to an environmentally acceptable extent when environmentally undesirable properties are lost. Loss of some characteristic function or property of substance by biodegradation may be referred to as biological transformation.

Biodegradation of Pesticides

Biodegradation of Pesticides PDF Author: Fumio Matsumura
Publisher: Springer Science & Business Media
ISBN: 1468440888
Category : Medical
Languages : en
Pages : 316

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Book Description
When first developed, chlorinated pesticides such as DDT, dieldrin, and mirex were received with open arms, quickly becoming popular as effective, economic agents against pests. But evidence began to mount that residues of these chemicals remained in the environment, not breaking down, often appearing in plants and animals. By the late seventies many pesticides had achieved a terrible notoriety and were subsequently banned in a number of countries. Of tremendous concern, then, is the persistence of pesticides in the environment. The major thrust of research and development in the area of pesticides has properly been the creation of substances that are both effective and degradable. Yet in order to successfully promote the use of biodegradable pesticides, one must fully understand the mechanism of degradation, and it is to this vital subject that we address ourselves in the present volume. According to the Biodegradation Task Force, Safety of Chemicals Com mittee, Brussels (1978), biodegradation may be defined as the molecular degradation of an organic substance resulting from the complex action of living organisms. A substance is said to be biodegraded to an environmentally acceptable extent when environmentally undesirable properties are lost. Loss of some characteristic function or property of substance by biodegradation may be referred to as biological transformation.

Biodegradation

Biodegradation PDF Author: Rolando Chamy
Publisher: BoD – Books on Demand
ISBN: 953511154X
Category : Technology & Engineering
Languages : en
Pages : 382

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Book Description
This book contains a collection of different biodegradation research activities where biological processes take place. The book has two main sections: A) Polymers and Surfactants Biodegradation and B) Biodegradation: Microbial Behaviour.

Bioremediation of Agricultural Soils

Bioremediation of Agricultural Soils PDF Author: Juan C. Sanchez-Hernandez
Publisher: CRC Press
ISBN: 1351793101
Category : Science
Languages : en
Pages : 247

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Book Description
The quality of agricultural soils are always under threat from chemical contaminants, which ultimately affect the productivity and safety of crops. Besides agrochemicals, a new generation of substances invades the soil through irrigation with reclaimed wastewater and pollutants of organic origin such as sewage sludge or cattle manure. Emerging pollutants such as pharmaceuticals, nanomaterials and microplastics are now present in agricultural soils, but the understanding of their impact on soil quality is still limited. With focus on in situ bioremediation, this book provides an exhaustive analysis of the current biological methodologies for recovering polluted agricultural soils as well as monitoring the effectiveness of bioremediation.

Microbe-Induced Degradation of Pesticides

Microbe-Induced Degradation of Pesticides PDF Author: Shree Nath Singh
Publisher: Springer
ISBN: 3319451561
Category : Science
Languages : en
Pages : 233

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Book Description
This book focuses on the microbial degradation of endosulfan, lindane, chlorophenols, organochlorine, aldrin, dieldrin, isoproturon and atrazine, etc. which are commonly used in crop fields to kill the pests. Further, it illustrates the role of degradative enzymes, metabolic pathways of degradation, toxicity of metabolites, and the factors regulating the pesticide degradation. In view of persistence of synthetic pesticides, scientists have discovered suitable microbes, such as bacteria, fungi and algae (naturally occurring or genetically engineered) over the years. After successful trials under laboratory and field conditions, these microbes are being used to degrade chemical pesticides in agriculture. As of now 2.56 billion kg of chemical pesticides is used every year to protect agricultural fields against pest attack. These technologies have been found to be highly effective, eco-friendly and cost-effective without disturbing the agro-ecosystems. As this book contains review articles contributed by various researchers from different countries whose work demonstrates recent advances in microbial degradation of pesticides, it will serve as a ready reckoner and also a valuable quick reference guide for scientists, academicians, cultivators and industrialists alike.

Microbial Degradation of Pesticides

Microbial Degradation of Pesticides PDF Author: Shaohua Chen
Publisher: Scientific Research Publishing, Inc. USA
ISBN: 1649972210
Category : Antiques & Collectibles
Languages : en
Pages :

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Book Description
The extensive use of pesticides, their disposal and consequent presence in various environments are of great concern regarding their ecotoxicological effect on the organisms of different trophic levels. Such widespread use results in an increased concentration of these compounds in water, sediments and soils. Chemical pesticides undergo many different pathways once they enter the environment, including transformation/degradation, sorption-desorption, volatilization, uptake by plants, runoff into surface waters and transport into groundwater. Transformation or degradation is one of the key processes that governs the environmental fate and transport of chemical pesticides, which also comprises different processes including abiotic degradation and biodegradation. During these processes, chemical pesticides are transformed into the degradation products or are completely mineralized to a carbon field. Although abiotic degradation plays a role in many cases, the biodegradation of chemical pesticides by microorganisms is usually the most important and dominant process.

Pesticides in the Soil Environment

Pesticides in the Soil Environment PDF Author: Hwei-Hsien Cheng
Publisher:
ISBN: 9780891187912
Category : Pesticides
Languages : en
Pages : 0

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Book Description
Pesticides in the soil environment - an overview. Pesticide sources to the soil and principles of spray physics. The retention processes: mechanisms. Sorption estimates for modeling. Abiotic transformations in water, sediments, and soil. Biological transformation processes of pesticides. Volatilization and vapor transport processes. Organic chemical transport to Groundwater. Movement of pesticides into surface waters. Modeling pesticide fate in soils. Efficacy of soil-applied pesticides. Impact of pesticides on the environment. Risk/benefit and regulations. Chemical index.

Advances in Biodegradation and Bioremediation of Industrial Waste

Advances in Biodegradation and Bioremediation of Industrial Waste PDF Author: Ram Chandra
Publisher: CRC Press
ISBN: 1498700551
Category : Science
Languages : en
Pages : 442

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Book Description
Addresses a Global Challenge to Sustainable DevelopmentAdvances in Biodegradation and Bioremediation of Industrial Waste examines and compiles the latest information on the industrial waste biodegradation process and provides a comprehensive review. Dedicated to reducing pollutants generated by agriculturally contaminated soil, and plastic waste fr

Microbial Biodegradation and Bioremediation

Microbial Biodegradation and Bioremediation PDF Author: Surajit Das
Publisher: Elsevier
ISBN: 0128004827
Category : Science
Languages : en
Pages : 641

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Book Description
Microbial Biodegradation and Bioremediation brings together experts in relevant fields to describe the successful application of microbes and their derivatives for bioremediation of potentially toxic and relatively novel compounds. This single-source reference encompasses all categories of pollutants and their applications in a convenient, comprehensive package. Our natural biodiversity and environment is in danger due to the release of continuously emerging potential pollutants by anthropogenic activities. Though many attempts have been made to eradicate and remediate these noxious elements, every day thousands of xenobiotics of relatively new entities emerge, thus worsening the situation. Primitive microorganisms are highly adaptable to toxic environments, and can reduce the load of toxic elements by their successful transformation and remediation. Describes many novel approaches of microbial bioremediation including genetic engineering, metagenomics, microbial fuel cell technology, biosurfactants and biofilm-based bioremediation Introduces relatively new hazardous elements and their bioremediation practices including oil spills, military waste water, greenhouse gases, polythene wastes, and more Provides the most advanced techniques in the field of bioremediation, including insilico approach, microbes as pollution indicators, use of bioreactors, techniques of pollution monitoring, and more

Pesticides Bioremediation

Pesticides Bioremediation PDF Author: Sazada Siddiqui
Publisher: Springer Nature
ISBN: 3030970000
Category : Science
Languages : en
Pages : 537

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Book Description
This volume offers the latest theory, procedures, techniques and applications pertaining to the bioremediation of pesticides, as well as current case studies. The book is composed of chapters written by global experts and is divided into three topical sections. Section A deals with concepts and mechanisms of pesticides bioremediation; Section B examines latest tools and techniques; Section C offers global case studies of pesticides bioremediation. The novel methods described here are timely, as traditional pesticide usage leads to high wastage via decay, vaporization and seepage. This of course leads to environmental contamination and has necessitated the development and use of novel technologies like bioremediation for minimizing the impact of pesticides on the environment. This volume will be of relevance to academics, researchers and students who are working in the realm of pesticide bioremediation, and will enable policy makers and managerial experts across the globe in drafting policies and strategies for the management and treatment of pesticides.

Microbial Technology for Sustainable Environment

Microbial Technology for Sustainable Environment PDF Author: Pankaj Bhatt
Publisher: Springer Nature
ISBN: 9811638403
Category : Science
Languages : en
Pages : 566

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Book Description
Microorganisms are ubiquitous on earth. These microorganisms are able to perform various functions in the environment. Microbial applications are used as biofertilizers, bioremediation, biofortification and other sustainable approaches of environmental development. Indigenous microbial cultures have the potential to perform various functions that are beneficial to achieve the sustainable goals. To date, different strains have been commercialized for the industrial and common applications for the sustainable environment. This book will cover different aspects of microbial technology for sustainable development.