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Superconductivity is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense world-wide research, a complete understanding of the copper oxide (cuprate) materials is still lacking. Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such 'strongly correlated' solids is perhaps the major unsolved...
This text addresses the current levels of evidence for management of a variety of critical parameters after severe traumatic brain injury (TBI), as well as providing the reader with practical approaches to care based upon existing evidence. A broad range of topics is included, ranging from specific critical care approaches to TBI to broader questions of prognostication and philosophies of treatment. Critical care topics include, for example: the type, timing, and safety of DVT prophylaxis; the choice of sedative agents in brain-injured patients; the practical application of multimodality neuromonitoring for prevention of secondary insults and injury; and the optimal treatment of dysautonomia...