Bio-medical composites

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  • Composites are engineered or naturally occurring materials made from two or more constituent materials with significantly different physical or chemical properties which remain separate and distinct within the finished structure. Basically, they can be categorized into two major types, i.e., structural composites with outstanding mechanical properties and functional composites with various outstanding physical, chemical or electrochemical properties. They have been widely used in a wide variety of products, e.g.

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  • The novel properties of multifunctional polymer nanocomposites make them useful for a broad range of applications in fields as diverse as space exploration, bioengineering, car manufacturing, and organic solar cell development, just to name a few. Presenting an overview of polymer nanocomposites, how they compare with traditional composites, and their increasing commercial importance, Multifunctional Polymer Nanocomposites conveys the significance and various uses of this new technology for a wide audience with different needs and levels of understanding. ...

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  • Polymer nanocomposites are commonly defined as the combination of a polymer matrix and additives that have at least one dimension in the nanometer range. The additives can be one-dimensional (examples include nanotubes and fibres), two-dimensional (which include layered minerals like clay), or three- dimensional (including spherical particles). Over the past decade, polymer nanocomposites have attracted considerable interests in both academia and industry, owing to their outstanding mechanical properties like elastic stiffness and strength with only a small amount of the nanoadditives.

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  • Due to the widespread use of ceramic coatings, several synthesis techniques have been developed in recent decades. The majority of these techniques, such as chemical vapor deposition (CVD) and physical vapor deposition (PVD) and their variants, are focused on the synthesis of flat coatings. Recently, the preceramic polymeric synthesis route has offered the possibility to impregnate preceramic materials into porous matrices prior to pyrolysis in order to create coated or composite materials This technique, however, leads to pore filling and alterations of the original substrate texture....

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  • In this, the second volume of the two-volume review of carbonates in continental settings, we continue our survey of the important aspects of their formation and utilisation.Whereas the first volume emphasised the formation of carbonate sediments, covering the depositional settings, facies and sedimentological processes; this second volume examines the geochemistry, diagenesis, sequence stratigraphy of these deposits, along with some of the practical applications. The geochemistry of continental carbonates is discussed in depth in Chapter 1.

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  • The present volume ofModern Aspects of Electrochemistrybrings readers the newest developments and achievements in the product ion of metallic powders by electrochemical and electroless methods from aqueous solutions. Although the deposition of metallic powders from aqueous solutions was intensively studied for years, the last summarized results (Calusaru) on this topic were published in 1979. Electrochemically and chemically produced metal powders from aqueous solutions are of high purity.

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  • These unique characteristics plus the functionalities from the materials themselves impart nanofibers with a number of novel properties for applications in areas as various as biomedical engineering, wound healing, drug delivery and release control, catalyst and enzyme carriers, filtration, environment protection, composite reinforcement, sensors, optics, energy harvest and storage, and many others. More and more emphasis has recently been placed on large-scale nanofiber production, the key technology to the wide usages of nanofibers in practice....

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  • This textbook is intended for use in a one- or two-semester undergraduate course in materials science that is primarily populated by chemical and materials engineering students. This is not to say that biomedical, mechanical, electrical, or civil engineering students will not be able to utilize this text, nor that the material or its presentation is unsuitable for these students.

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  • Current clinical technologies, especially donor transplants and artificial organs, have been excellent life-saving and life-extending therapies to treat patients who need to reconstitute diseased or devastated organs or tissues as a result of an accident, trauma, and cancer, or to correct congenital structural anomalies. For long, most scientists and clinicians believed that damaged or lost tissues could only be replaced by organ transplantation or with totally artificial parts.

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