In this Special Paper, Hildebrand and Whalen present a big-picture, paradigm-busting synthesis that examines the tectonic setting, temporal relations, and geochemistry of many plutons within Cretaceous batholithic terranes of the North American Cordillera. In addition to their compelling tectonic synthesis, they argue that most of the batholiths are not products of arc magmatism as commonly believed, but instead were formed by slab failure during and after collision. They show that slab window and Precambrian TTG suites share many geochemical similarities with Cretaceous slab failure rocks. Geochemical and isotopic data indicate that the slab failure magmas were derived dominantly from the mantle and thus have been one of the largest contributors to growth of continental crust. The authors also note that slab failure plutons emplaced into the epizone are commonly associated with Cu-Au porphyries, as well as Li-Cs-Ta pegmatites.
In the last two decades, new communication technologies have dramatically changed the world in which mental health professionals and their patients live. Developments such as e-mail, online chat groups, Web pages, search engines, and electronic databases are directly or indirectly affecting most people's routines and expectations. Other developments are poised to do so in the near future. Already, for example, patients are acquiring both good and bad advice and information on the Web; many expect to be able to reach their therapists by e-mail. And already there is pressure from third party payers for providers to submit claims electronically. These technological breakthroughs have the potential to make mental health care more widely available and accessible, affordable, acceptable to patients, and adaptable to special needs. But many mental health professionals, as well as those who train them, are skeptical about integrating the new capabilities into their services and question the ethical and legal appropriateness of doing so. Those unfamiliar with the technologies tend to be particularly doubtful. How much e-mail contact with patients should I encourage or permit, and for what purposes? Why should I set up a Web site and how do I do so and what should I put on it? Should I refer patients to chat groups or Web-based discussion forums? Could video-conferencing be a helpful tool in some cases and what is involved? How do I avoid trouble if I dare to experiment with innovations? And last but not least, will the results of my experimentation be cost-effective? The book includes: an extensive overview of legal and regulatory issues, such as those raised by the Health Insurance Portability and Accountability Act (HIPAA); concrete technical, ethical, and managerial suggestions summarized in a seven-step Online Consultation Risk Management model; and how to" resource lists and sample documents of use to beginners and experienced professionals alike. For better or worse, no mental health professional today can avoid confronting the issues presented by the new technologies. The Mental Health Professional and the New Technologies: A Handbook for Practice Today will enormously simplify the job of thinking through the issues and making clinically, ethically, and legally prudent decisions.
This volume grew out of a symposium organized by the students of Professor Myron L. Bender. His research focused on the mechanisms of enzymatic catalysis and was instrumental in showing that enzymes do not possess magical powers to accelerate reactions a trillion times on an average, but follow simple rules of chemistry. A group of scientists who were trained by Bender have contributed some of their work to this book to pay homage to their mentor. The range of topics covered is such that researchers and industry with interest in biological chemistry will gain knowledge from the advances being made in related fields. The book shows organic chemists what advances have taken place in biological chemistry and biochemists will discover how principles of organic chemistry can be applied to reveal the powers of enzymatic catalysis.
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