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Biodegradable polymers.
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ISBN: 1634836510 9781634836517 9781634836326 Year: 2015 Publisher: New York

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Keywords

Polymers --- Biodegradation.


Book
Study of Biodegradation and Bioremediation
Authors: ---
Year: 2022 Publisher: Basel, Switzerland : MDPI - Multidisciplinary Digital Publishing Institute,

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Despite many years of efforts to reduce the emission of toxic pollutants into the environment, the contamination of air, soils and water by heavy metals and organic xenobiotics is still a serious problem. This has urged many scientists around the world to undertake research that aims to find effective methods of removing pollutants from the environment. Special attention is paid to biological methods, which, thanks to their numerous advantages, meet the expectations of the whole society. As part of the Special Issue "Study of Biodegradation and Bioremediation", in the MDPI journal Processes, several valuable articles have been published, which together form a picture of the current state of advanced research on the effective fight against environmental pollution. These include papers on the biodegradation of petroleum compounds or synthetic dyes by microorganisms or the enzymes they produce. In addition, the Special Issue includes papers on the bioremediation of dangerous heavy metals such as mercury and copper, and the results make a valuable contribution to our current state of knowledge on this topic. A separate and valuable part of this collection of publications are review articles devoted to the remediation of antineoplastic drugs, as well as the hopes and challenges connected with the application of nanotechnology in bioremediation. We are pleased that so many researchers from different parts of the world have submitted their articles on this topic. We are very grateful to them. We hope that readers of this collection will find many interesting ideas and relevant information that will lead to new solutions in the bioremediation and biodegradation of emerging environmental contaminants. Prof. Ewa Kaczorek Dr. Wojciech Smułek.


Book
Interactions matériaux-microorganismes
Authors: --- ---
ISBN: 2759821129 9782759821129 9782759818778 Year: 2016 Publisher: Les Ulis EDP Sciences

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Cet ouvrage pluridisciplinaire est le fruit d’un travail collectif synthétisant les présentations effectuées par différents spécialistes des domaines concernés lors de l’école CNRS « BIODEMAT », qui a eu lieu en octobre 2014 à la Rochelle sous l’égide du CEFRACOR. Il est conçu pour des lecteurs de différentes spécialités scientifiques (chimie, biologie, physique…) et s’intéresse à différents problèmes industriels (eau, assainissement, maintenance des ouvrages…). Les matériaux, qu’ils soient métalliques, cimentaires, polymériques, composites, vieillissent en fonction de leur environnement de service. Ainsi, lorsque des microorganismes sont présents, ces derniers peuvent induire une biodétérioration. Cependant, les microorganismes peuvent également contribuer à la protection des structures, à condition de maîtriser et d’exploiter leurs immenses possibilités. Cet ouvrage se décompose en cinq thèmes relatifs à la biocolonisation puis à la biodétérioration des matériaux et enfin à leurs améliorations possibles pour obtenir une meilleure performance vis-à-vis de la biodétérioration : – physico-chimie des surfaces, – les biofilms : des acteurs de la biodétérioration, – biocorrosion des matériaux métalliques, – biodétérioration des matériaux non métalliques, – conception et modification des matériaux. L’affiliation des auteurs des différents chapitres, dont la liste est donnée en fin d’ouvrage, permet d’illustrer la nécessaire synergie entre la recherche académique et sa transposition au niveau industriel. Ceci démontre bien l’interaction indispensable entre les différents acteurs de ce domaine complexe, pour analyser, comprendre et répondre aux enjeux scientifiques liés à la biodétérioration.

Keywords

Materials --- Biodegradation.


Book
What is biodegradation and why it matters
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ISBN: 9781685079598 Year: 2022 Publisher: New York, New York : Nova Science Publishers,

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"Biodegradation refers to the breakdown of organic matter by microorganisms, such as bacteria and fungi, and constitutes an important part of waste management, environmental protection, and more. This book includes four chapters that provide different perspectives on the importance of biodegradation using new research. Chapter One presents a comprehensive discussion of biodegradable implants, emphasizing the important features of biodegradable Mg-based and Fe-based systems and their recent developments. Chapter Two explores case studies on the reutilization of fishery waste to gain a better understanding of biodegradation in the production of biofertilizer and bioactive compounds. Chapter Three reviews information about studies performed in order to develop bioremediation strategies using fungi or microbial consortia to diminish chemical herbicides residues in soil. Lastly, Chapter Four describes green synthesized and biologically synthesized nanoparticles and their role in remediation and gives insight into a recently emerged, novel method that makes use of nano-bio composite in dye remediation"--


Book
Biodeterioration des materiaux
Authors: --- --- --- ---
ISBN: 275980237X 9782759802371 Year: 1998 Publisher: Les Ulis, France : EDP Sciences,

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Cet ouvrage traite de la phase de détérioration des matériaux. Souvent due à l'environnement vivant dans lequel ces matériaux sont utilisés, elle est pluridisciplinaire : phénomènes physico-chimiques (corrosion des métaux, vieillissement des polymères, attaque des bétons, usure.) et biologiques (rôles des champignons, métabolisme des bactéries, biofilms.).


Book
Biodeterioration of Cultural Heritage : Dynamic Interfaces between Fungi, Fungal Pigments and Paper
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ISBN: 3036520937 3036520945 Year: 2023 Publisher: [Place of publication not identified] : MDPI - Multidisciplinary Digital Publishing Institute,

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Fungi-induced stains on paper are one of the most challenging forms of biodeterioration to study and to prevent; this is because they involve living organisms, and the ways in which fungi respond to changes in the environment and modifications of paper are unpredictable. Yet, there is a great desire among those who encounter fungi on documents, manuscripts, or artwork to remove fungi and clean the paper. This experience in most cases is particularly challenging. What are the reasons behind this challenge? This ground-breaking book attempts to answer this question, among others, by exploring the complex interfacial forces between paper, fungi, and their pigmented secretions which result in bio-stains on paper. Black fungi, collectively referred to as Dematiaceous fungi, were used in this study as a subset of pigment-producing fungi species. The focus is on two, under-studied aspects of the fungi infestation of paper, an interface of fungal pigments and paper, and the impact of light on the production of fungi bio-stains. The results of analytical testing included in this book elucidate the synergistic interactions between the environment, biological clocks of the microorganisms, and secretion of fungal pigments to paper. The black fungal pigment formation is explored in-depth in two scenarios: one that is 'natural', when the bio-stains of original artworks have occurred over time by chance, and another, induced by Aspergillus niger, in bio-simulation on known papers in a controlled environment. The findings are intended to provide guidance for preservation strategies, mitigating the biodeterioration of paper, and designing conservation treatment when applicable. The surface of artworks and artifacts is of great aesthetic and artistic importance; conversely, it plays a significant role in governing fungal attachments. In this book, the paper surface is characterized in detail and in correlation with chemical and physical alterations caused by fungal pigmentation. A broad range of analytical instruments was used for surface characterization, such as surface metrology profilometers, a confocal laser scanning microscope, and environmental scanning electron microscope; chemical microanalysis was carried out using X-ray energy dispersive spectroscopy. The novel, three-dimensional characterization of pigmented fungal inclusions and their interaction with paper matrix was studied with micro-X-ray-computed micro-tomography on the synchrotron ESRF. The proposed book is the first to explore the complexity of fungal-paper interactions with the intention to assist professionals working with cultural materials, especially paper-based materials, to make informed decisions when dealing with the fungi infestation of paper.


Book
Advances in biocompatible and biodegradable polymers.
Authors: --- ---
ISBN: 3036574077 3036574069 Year: 2023 Publisher: Basel, Switzerland : MDPI - Multidisciplinary Digital Publishing Institute,

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Among the strategies for reducing the negative effects on the environment effected by the uncontrolled consumption and low potential for the recovery of conventional plastics, the synthesis of new biodegradable and recyclable plastics represents one of the most promising methods for minimizing the negative effects of conventional non-biodegradable plastics. The spectrum of existing biodegradable materials is still very narrow; thus, to achieve greater applicability, research is being carried out on biodegradable polymer mixtures, the synthesis of new polymers, and the incorporation of new stabilizers for thermal degradation, alongside the use of other additives such as antibacterials or new and more sustainable plasticizers. Some studies analyze direct applications, such as shape memory foams, new cartilage implants, drug release, etc. The reader can find several studies on the degradation of biodegradable polymers under composting conditions; however, novel bacteria that degrade polymers considered non-biodegradable in other, unusual conditions (such as conditions of high salinity) are also presented.


Book
Integrative strategies for bioremediation of environmental contaminants.
Authors: ---
ISBN: 0443140146 0443140138 9780443140143 9780443140136 Year: 2023 Publisher: Amsterdam

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Integrative Strategies for Bioremediation of Environmental Contaminants, Volume Two: Avenues to a Cleaner Society focuses on the exploitation of various biological treatment technologies and their use to treat toxic contaminants present in industrial effluent to restore contaminated sites. The book includes coverage of combined treatments of microbes for reuse of wastewater and contaminated soil to successfully achieve eco-restoration, environment protection and sustainable development. In 14 chapters, this reference compiles current and advanced biotechnologies as well as future directions for research. This is a valuable resource for researchers in microbiology, biotechnology, environmental engineering and environmental science, and all those who wish to broaden their knowledge in the field of applied microbiology to develop sustainable waste management.


Book
Chemical reactions in gas, liquid, and solid phases
Authors: ---
ISBN: 1616689064 9781616689063 9781616686710 9781621006893 1616686715 Year: 2012 Publisher: New York

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Book
Removal of toxic pollutants through microbiological and tertiary treatment : new perspectives
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ISBN: 0128216824 9780128216828 0128210141 9780128210147 Year: 2020 Publisher: Amsterdam, Netherlands ; Kidlington, Oxford ; Cambridge, Massachusetts : Elsevier,

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Removal of Toxic Pollutants through Microbiological and Tertiary Treatment: New Perspectives offers a current account of existing advanced oxidation strategies - including their limitations, challenges, and potential applications - in removing environmental pollutants through microbiological and tertiary treatment methods. The book introduces new trends and advances in environmental bioremediation technology, with thorough discussion of recent developments in the field. Updated information as well as future research directions in the field of bioremediation of industrial wastes is included. This book is an indispensable guide to students, researchers, scientists, and professionals working in fields such as microbiology, biotechnology, environmental sciences, eco-toxicology, and environmental remediation. The book also serves as a helpful guide for waste management professionals and those working on the biodegradation and bioremediation of industrial wastes and environmental pollutants for environmental sustainability. --

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