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Based on the proceedings of the eleventh international Cellucon conference held in Tsukuba, Japan, this book offers a comprehensive overview of important research undertaken into all aspects of environmentally compatible polymers.It deals with natural and synthetic polymer materials such as gels, fibres, pulp and paper, films, foams, blends and composites and shows how environmental compatibility such as biodegradability and recyclability can be developed by utilising natural polymers such as polysaccharides and polyphenols.Based on the proceedings of the eleventh inter

Macromolecules --- Environmental protection. Environmental technology --- Polymers --- Environmental aspects --- Environmental aspects.

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This book addresses hot topics relating to talar osteochondritis dissecans (OCD): improvements in the accuracy of diagnosis, sound preoperative planning, optimal treatment, and procedure-specific rehabilitation protocols. The technical difficulties in each of these areas are identified and evidence-based guidelines are presented. With regard to diagnosis, several chapters discuss the roles of arthroscopy, standard radiography, computed tomography, magnetic resonance imaging, and combined imaging modalities (PET/CT and SPECT/CT). The chapters on treatment cover various surgical options and provide an overview of the direct postoperative treatment; in addition, rehabilitation protocols are described for all the treatment procedures.   The book has been written by a team of leading experts in the field of foot and ankle surgery from across the globe who have aimed to provide the reader with an up-to-date handbook ideal for use when approaching a patient with a talar OCD. Their reviews and opinions are based firmly on the best currently available evidence.

Ankle --- Osteochondrosis. --- Wounds and injuries. --- Epiphyseal ischemic necrosis --- Osteochondritis --- Bones --- Necrosis --- Orthopedic surgery. --- Sports medicine. --- Physiotherapy. --- Rehabilitation. --- Surgical Orthopedics. --- Sports Medicine. --- Athletic medicine --- Athletics --- Medicine and sports --- Physical education and training --- Sports --- Medicine --- Sports sciences --- Operative orthopedics --- Orthopedics --- Surgery, Operative --- Medical aspects --- Orthopedics. --- Orthopaedics --- Orthopedia --- Surgery

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This textbook, intended for advanced undergraduate and graduate students, is an introduction to the physical and mathematical principles used in clinical medical imaging. The first two chapters introduce basic concepts and useful terms used in medical imaging and the tools implemented in image reconstruction, while the following chapters cover an array of topics such as: physics of X-rays and their implementation in planar and computed tomography (CT) imaging; nuclear medicine imaging and the methods of forming functional planar and single photon emission computed tomography (SPECT) images and PET imaging using positron emitters as radiotracers. The book also discusses the principles of MRI pulse sequencing and signal generation, gradient fields, and the methodologies implemented for image formation, form flow imaging and magnetic resonance angiography and the basic physics of acoustic waves, the different acquisition modes used in medical ultrasound, and the methodologies implemented for image formation and for flow imaging using the Doppler Effect. By the end of the book, readers will know what is expected from a medical image, will comprehend the issues involved in producing and assessing the quality of a medical image, will be able to conceptually implement this knowledge in the development of a new imaging modality, and will be able to write basic algorithms for image reconstruction. Knowledge of calculus, linear algebra, regular and partial differential equations, and a familiarity with the Fourier transform and it applications is expected, along with fluency with computer programming. The book contains exercises, homework problems, and sample exam questions that are exemplary of the main concepts and formulae students would encounter in a clinical setting. Teaches the basic principles of medical imaging needed for understanding and conducting research and development in the field Emphasizes practical calculations for the design and evaluation of medical imaging devices Contains exemplary exercises, homework problems, and sample exam questions .

Diagnostic imaging. --- Biomedical engineering. --- Image processing. --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Clinical engineering --- Medical engineering --- Bioengineering --- Biophysics --- Engineering --- Medicine --- Clinical imaging --- Imaging, Diagnostic --- Medical diagnostic imaging --- Medical imaging --- Noninvasive medical imaging --- Diagnosis, Noninvasive --- Imaging systems in medicine --- Signal processing. --- Speech processing systems. --- Radiology. --- Medical physics. --- Radiation. --- Biomedical Engineering and Bioengineering. --- Signal, Image and Speech Processing. --- Imaging / Radiology. --- Medical and Radiation Physics. --- Health physics --- Health radiation physics --- Medical radiation physics --- Radiotherapy physics --- Radiation therapy physics --- Physics --- Radiological physics --- Radiation --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Radiology

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Describes the courage and conviction demonstrated by eight great patriots at pivotal moments in American history.

Legislators --- Courage --- United States. --- United States --- Politics and government.

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Hyaluronan and its derivatives has developed very quickly in the last few years from a scientific novelty into an important new material for a diverse range of medical and biomaterial applications. This landmark conference focused on developments and applications in the use of hyaluronan in tissue repair and reconstruction, drug delivery systems, anti-cancer treatments and joint recovery and engineering.The entire range of hyaluronan progress is covered in depth by the more than 135 individual papers:Analytical chemistryStructural elucidation and basic chemistryElectron mic

Hyaluronic acid --- Hyaluronan --- Mucopolysaccharides --- Organic acids --- Physiological effect --- Therapeutic use