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Die Feld-Fluß-Fraktionierung ist eine besonders kostengünstige, chromatographieähnliche Methode der Trennung von Makromolekülen, beispielsweise von pharmazeutischen Wirkstoffen, Polymeren und Inhaltsstoffen von Böden oder Nahrungsmitteln. Dieses Handbuch beleuchtet vor allem die praktischen Aspekte des Verfahrens. Durch die verständliche Darstellung ist es für einen breiten Leserkreis mit unterschiedlichen Vorkenntnissen und Bedürfnissen geeignet. (07/00)
Paleomagnetism is the study of the fossil magnetism in rocks. It has been paramount in determining that the continents have drifted over the surface of the Earth throughout geological time. The fossil magnetism preserved in the ocean floor has demonstrated how continental drift takes place through the process of sea-floor spreading. The methods and techniques used in paleomagnetic studies of continental rocks and of the ocean floor are described and then applied to determining horizontal movements of the Earth's crust over geological time. An up-to-date review of global paleomagnetic data enables 1000 million years of Earth history to be summarized in terms of the drift of the major crustal ...
An explosive increase in the knowledge of the effects of chemical and physical agents on biological systems has led to an increased understanding of normal cellular functions and the consequences of their perturbations. The 14-volume Second Edition of Comprehensive Toxicology has been revised and updated to reflect new advances in toxicology research, including content by some of the leading researchers in the field. It remains the premier resource for toxicologists in academia, medicine, and corporations. Comprehensive Toxicology Second Edition provides a unique organ-systems structure that allows the user to explore the toxic effects of various substances on each human system, aiding in providing diagnoses and proving essential in situations where the toxic substance is unknown but its effects on a system are obvious. Comprehensive Toxicology Second Edition is the most complete and valuable toxicology work available to researchers today. Contents updated and revised to reflect developments in toxicology research Organized with a unique organ-system approach Features full color throughout Available electronically on sciencedirect.com, as well as in a limited-edition print version
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By delivering concentrated information in three different volumes, the editors of the Practical Aspects of Ion Trap Mass Spectrometry mini-series present in-depth reviews on mainstream developments in each active and popular area. Contributing authors provide concise reports illustrating successful approaches to difficult analytical problems across the basic scientific disciplines. Volume three, Chemical, Environmental, and Biomedical Applications, presents a coherent picture of research and applications in the ion trapping field. It examines tandem mass spectrometry, the principal mode of ion trap operation, where one stage of mass selectivity follows another in the same region of space. This volume discusses the fundamentals of ion trap theory, design, and operation; practical ion trap technology; applications involving small molecules; and the environmental and biomedical applications.
By delivering concentrated information in three different volumes, the editors of the Practical Aspects of Ion Trap Mass Spectrometry mini-series present in-depth reviews on mainstream developments in each active and popular area. Contributing authors provide concise reports illustrating successful approaches to difficult analytical problems across the basic scientific disciplines. Ion Trap Instrumentation, the second volume in the series, conveys an appreciation of the ion trap as a versatile instrument which is used successfully in research and in applications, often in tandem with other instruments or components, such as external ion sources and lasers. The book begins with a discussion of high resolution mass spectrometry and mass measurement accuracy. It then demonstrates that trajectories of high kinetic energy ions can be controlled so that such ions are confined. It provides applications of lasers to the study of trapped ions the laser photodissociation of gaseous ions confined within the ion trap. The book concludes with physics applications of the ion trap, in particular, the Penning trap and the Paul trap.
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