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Biodegradable Polymers and Plastics
Synthetic and semi-synthetic polymeric materials were originally developed for their durability and resistance to all forms of degradation including biodegradation. Such materials are currently widely accepted because of their ease of processability and amenability to provide a large variety of cost effective items that help to enhance the comfort and quality of life in the modern industrial society. However, this widespread utilization of plastics has contributed to a serious plastic waste burden, and the expectation for the 21st century is for an increased demand for polymeric material. This volume focuses on a more rational utilization of resources in the fabrication, consumption and disposal of plastic items, specifically: -Environmentally Degradable Polymeric Materials (EDPs); -Water-soluble/Swellable Biodegradable Polymers; -EDPs from Renewable Resources; -Biopolymers; -Bioresorbable Materials for Biomedical Applications; -Biorelated Polymers; -Standards and Regulations on EDPs.
Environmental Silicate Nano-Biocomposites
Environmental Silicate Nano-Biocomposites focuses on nano-biocomposites, which are obtained by the association of silicates such as bioclays with biopolymers. By highlighting recent developments and findings, green and biodegradable nano-composites from both renewable and biodegradable polymers are explored. This includes coverage of potential markets such as packaging, agricultures, leisure and the fast food industry. The knowledge and experience of more than twenty international experts in diverse fields, from chemical and biochemical engineering to applications, is brought together in four different sections covering: Biodegradable polymers and Silicates, Clay/Polyesters Nano-biocomposite...
Natural Polymers and Biopolymers II
BioPolymers could be either natural polymers – polymer naturally occurring in Nature, such as cellulose or starch…, or biobased polymers that are artificially synthesized from natural resources. Since the late 1990s, the polymer industry has faced two serious problems: global warming and anticipation of limitation to the access to fossil resources. One solution consists in the use of sustainable resources instead of fossil-based resources. Hence, biomass feedstocks are a promising resource and biopolymers are one of the most dynamic polymer area. Additionally, biodegradability is a special functionality conferred to a material, bio-based or not. Very recently, facing the awareness of the...
Native Sons
For much of the twentieth century, France recruited colonial subjects from sub-Saharan Africa to serve in its military, sending West African soldiers to fight its battles in Europe, Southeast Asia, and North Africa. In this exemplary contribution to the "new imperial history," Gregory Mann argues that this shared military experience between France and Africa was fundamental not only to their colonial relationship but also to the reconfiguration of that relationship in the postcolonial era. Mann explains that in the early twenty-first century, among Africans in France and Africa, and particularly in Mali--where Mann conducted his research--the belief that France has not adequately recognized ...
Biodegradable and Environmental Applications of Bionanocomposites
This book provides cutting-edge, up-to-date research findings on the use of bionanocomposites in biodegradable and environmental applications, while also detailing how to achieve bionanocomposites preparation, characteristics, and significant enhancements in physical, chemical, mechanical, thermal properties and applications. This book on biodegradable and environmental properties of bionanocomposites provides a comprehensive and updated review of major innovations in the field of polymer-based bionanocomposites for biodegradable and environmental applications. It covers properties and applications, including the synthesis of polymer-based bionanocomposites from different sources biomaterial...
Polyhydroxyalkanoate (PHA) based Blends, Composites and Nanocomposites
A comprehensive overview of the recent accomplishments in the area of polyhydroxyalkanoates.
Islam and Social Change in French West Africa
Exploring the history and religious community of a group of Muslim Sufi mystics in colonial French West Africa, this study shows the relationship between religious, social and economic change in the region. It highlights the role that intellectuals played in shaping social and cultural change and illuminates the specific religious ideas and political contexts that gave their efforts meaning. In contrast to depictions that emphasize the importance of international networks and anti-modern reaction in twentieth-century Islamic reform, this book claims that, in West Africa, such movements were driven by local forces and constituted only the most recent round in a set of centuries-old debates about the best way for pious people to confront social injustice. It argues that traditional historical methods prevent an appreciation of Muslim intellectual history in Africa by misunderstanding the nature of information gathering during colonial rule and misconstruing the relationship between documents and oral history.
Relations of Production
First Published in 1978. This book seeks to fill the gap of works in English that systematically deal with social and economic life in 'primitive', 'tribal' and 'peasant' societies - the main object of economic anthropology, as of any branch of anthropology - from a Marxist theoretical standpoint. Using such relevant texts as Marx himself, the Pre-Capitalist Economic Formations (which appeared in English in 1964 with an introduction by Eric Hobsbawm), and that of Engels, of which The Origin of the Family, Private Property and the State.
Enzymes in the Valorization of Waste
Enzymes in the Valorization of Waste: Next-Gen Technological Advances for Sustainable Development of Enzyme-based Biorefinery focusses on key enzymes which are involved in the development of integrated biorefinery. It highlights the modern next-gen technologies for promoting the application of sustainable and greener enzymatic steps at industrial scale for the development of futuristic and self-sustainable "consolidated/integrated biorefinery/enzyme-based biorefinery." It also deals with technological advancement for improvement of enzyme yield or specificity, conversion capability, such as protein and metabolic engineering and advances in next generation technologies, and so forth. Features...
Long-Distance Nationalism in the Global City
Focusing on migration within the global south, Bennett Eason Cross uses the example of the Malian trade diaspora in Lagos to argue that aspects of the original model of the transmigrant were based on labor migrations from global south to global north that are not representative of their south-to-south counterparts. In Long-Distance Nationalism in the Global City: A Cultural History of the Malian Diaspora in Lagos, Nigeria, Cross notes that the cultural and racial differences between migrant communities and their host societies in Europe and the U.S. are often narrower, or even nonexistent, in south-to-south migrations, which shapes different outcomes. As this multi-site case study reveals, h...
