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The book describes the properties, analytical methods and the applications of different polyvinylpyrrolidone excipients (povidone, crospovidone, copovidone etc.) for use in pharmaceutical preparations. This group of excipients is one of the most important excipients used in modern technology to produce drugs. The book is intended for all persons working in the research, development and quality control of drugs. It gives a survey of all applications in solid, liquid and semisolid dosage forms including many drug formulation examples and more than 600 references to the literature.
Published with the New York Academy of Sciences A timely, broad-ranging exploration of the neurobiological basis and molecular mechanisms of migraines Migraines impact the lives of a significant portion of the world's population, afflicting sufferers with severe pain, nausea, and often visual impairment. The WHO views migraines as an important public health issue, and ranks them in its top twenty most disabling illnesses. Neurobiological Basis of Migraine reviews the latest advances made in our understanding of the primary basic mechanisms of migraine headache and provides valuable insights into how these findings are being translated into novel treatment and prevention strategies around the...
"Through a series of thirteen interwoven tales, Moris Farhi tells the story of a group of young friends coming of age in Turkey, a nation as vivid and beautiful as it is complex. A window onto a pluralistic world where Islam, Christianity, and Judaism coexist and Turks, Armenians, Kurds, and Greeks live side by side, Young Turk is peopled by a rich an eclectic mix of circus performers, schoolchildren, wandering poets, and renegade teachers. An alluring woman introduces a string of teenage boys to the carnal applications of rose-petal jam - and to the sting of first heartbreak. A lovelorn, wandering trapeze artist must exorcize the ghost of a past calamity in order to retain his spot high up in the big tent. A childhood comes to an abrupt end when a boy is inspected for signs of encroaching manhood and summarily denied his tantalizing weekly visits to the women's baths. A young girl endowed with clairvoyance struggles under the weight of the calamities she foresees." "Set in the years surrounding World War II, Young Turk juxtaposes the lives and passions of its unforgettable characters with the tumult of Turkish history."--BOOK JACKET.
The book describes the experimental techniques employed to study surfaces and interfaces. The emphasis is on the experimental method. Therefore all chapters start with an introduction of the scientific problem, the theory necessary to understand how the technique works and how to understand the results. Descriptions of real experimental setups, experimental results at different systems are given to show both the strength and the limits of the technique. In a final part the new developments and possible extensions of the techniques are presented. The included techniques provide microscopic as well as macroscopic information. They cover most of the techniques used in surface science.
First published in 2003. Routledge is an imprint of Taylor & Francis, an informa company.
This book discusses the complexity of understanding how tourism impacts the world and how the world impacts tourism – from the global scale to the local and individual scale.
This book is the definitive work on the theory and practice of pharmaceutical tablet and pellet coating. It describes both the practical and theoretical aspects of tablet coating, including the equipment and methods used in laboratory development, scale-up and production systems, More...as well as automation and validation. This book also discusses the problems of conforming to world-wide regulations, and the hazards of environmental pollution.
The book contains a description of the chemical structure of biological macromolecules, their size and shapes (conformation), and how the structure and the conformation determine the physical properties of such molecules. This book discusses the relationships between the chemical and physical properties of such molecules and their technological and bio-medical properties. It is designed for second or third year bachelor's students in chemistry or physics, and for first year students in master's programmes in biochemistry, biotechnology, glycobiology and bio-nanotechnology. The book will be an asset for programmes for polymer chemistry and technology. Professor Emeritus Olav SmidsrÃ?Â, d, D...