Fractal Analysis and Synergetics of Catalysis in Nanosystems

Product Description
Nanochemistry is a science connected with obtaining and studying of physical-chemical properties of particles having sizes on the nanometer scale. This book addresses polymer synthesis which, according to Melikhov’s classification, is automatically part of nanochemistry. This is determined as far as polymeric macromolecules (more precisely macromolecular coils) belong to nanoparticles and polymeric sols and gels – to nanosystems. Catalysis on nanoparticles is one of the most important sections of nanochemistry. The majority of catalytic systems are nanosystems. At heterogeneous catalysis, the active substance is tried to deposit on carrier in nanoparticles form in order to increase their specific surface. At homogeneous catalysis active substance molecules have often in themselves nanometer sizes.The most favorable conditions for homogeneous catalysis are created when reagent molecules are adsorbed rapidly by nanoparticles and are desorbed slowly but have high surface mobility and, consequently, high reaction rate on the surface and at the reaction molecules of such structure are formed at which desorption rate is increased sharply. If these conditions are realised in nanosystem with larger probability than in macrosystem, then nanocatalyst has the raising activity that was observed for many systems.

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Giant Molecules: From Nylon to Nanotubes

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Macromolecules are, in a sense, life itself. DNA is one of these giant molecules, as are the proteins that govern the workings of the human body. Yet macromolecules also comprise some of the most artificial constructs, including plastics, polymers, and nanodevices limited only by the scientific imagination. In this splendid book, Walter Gratzer explores the history, structure, and properties of the many-varied macromolecules. Despite their centrality to life, they were long believed to be impossible. Gratzer tells the story of their discovery, explaining the chemistry behind these extraordinary structures in easily accessible terms. He describes how scientists have learned to manipulate them, from designer proteins to thermoplastics, from cosmetics to smart polymers. Now this remarkable field is a meeting ground of the natural and artificial, as seen in biomimetics, gene-splicing, and plans for DNA-based computers. With up-to-the-minute expertise and clear, lively language, Gratzer takes readers to the cutting edge of applied science, where imminent developments promise to revolutionize our lives.

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Advances in Macromolecules: Perspectives and Applications

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“Polymeric and Nanostructured Macromolecules” presents the recent advances made in the synthesis, characterization, and applications of polymeric macromolecules.

This book provides an excellent overview of the recent breakthroughs in the science of macromolecules, with an emphasis on nanostructured macromolecules and the perspectives that these versatile materials offer to different fields such as optoelectronics and biotechnology.

Advanced undergraduate, graduate students and researchers alike will find the topics concerning physical and chemical properties of advanced macromolecular materials of great interest.

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