Microbial Processing of Metal Sulfides, Edgardo R. Donati; Wolfgang Sand

Автор: Hideo Kimura
Название: Hydrogen Sulfide and its Therapeutic Applications
ISBN: 370911974X ISBN-13(EAN): 9783709119747
Издательство: Springer
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Описание: The metabolism of sulfur especially by sulfurtransferases had been intensively studied in mid 1900’s. Three enzymes, cystathionine ?–synthase (CBS), cystathionine ?–lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3MST) were found to have the capacity to produce H2S in vitro. However, H2S was recognized simply as a by-product of the metabolic pathways or as a marker for evaluating the activity of enzymes rather than as a physiological active molecule. In the late 1980’s relatively high concentrations of sulfide were measured in the brain that led to the successive studies of identifying the physiological functions of H2S. Recently, the steady-state concentrations of H2S have been re-evaluated and found to be much less than that initially measured. However, despite these differences, such re-evaluations served to further confirm the existence of H2S in mammalian tissues. H2S is produced in almost every organ and plays various roles such as neuromodulation, vasodilation, insulin release, inflammation, angiogenesis and cytoprotection. The unregulated production of H2S and improper responses of target molecules are involved in the pathogenesis of various diseases. This book focuses on these topics as well as on the recent progress in the biology and the therapeutic development of this molecule.

Автор: Lightfoot, Peter C.
Название: Nickel Sulfide Ores and Impact Melts
ISBN: 0128040505 ISBN-13(EAN): 9780128040508
Издательство: Elsevier Science
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Описание: Nickel Sulfide Ores and Impact Melts: Origin of the Sudbury Igneous Complex presents a current state of understanding on the geology and ore deposits of the Sudbury Igneous Complex in Ontario, Canada. As the first complete reference on the subject, this book explores the linkage between the processes of meteorite impact, melt sheet formation, differentiation, sulfide immiscibility and metal collection, and the localization of ores by magmatic and post-magmatic processes. The discovery of new ore deposits requires industry and government scientists and academic scholars to have access to the latest understanding of ore formation process models that link to the mineralization of their host rocks. The ore deposits at Sudbury are one of the world’s largest ore systems, representing a classic case study that brings together very diverse datasets and ways of thinking. This book is designed to emphasize concepts that can be applied across a broad range of ore deposit types beyond Sudbury and nickel deposit geology. It is an essential resource for exploration geologists, university researchers, and government scientists, and can be used in rock and mineral analysis, remote sensing, and geophysical applications.

Автор: Jonathan J. Scragg
Название: Copper Zinc Tin Sulfide Thin Films for Photovoltaics
ISBN: 3642270719 ISBN-13(EAN): 9783642270710
Издательство: Springer
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Описание: Here, Jonathan Scragg documents his work on Copper Zinc Tin Sulfide, a low cost, abundant material suitable for large scale use in photovoltaics. Includes rapid thermal processing studies showing relationships between composition, processing and performance.

Автор: R.J. Moreau
Название: Measurement and Control in Liquid Metal Processing
ISBN: 9401081107 ISBN-13(EAN): 9789401081108
Издательство: Springer
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Описание: Proceedings 4th Workshop held in conjunction with the 53rd International Foundry Congress, Prague, Czechoslovakia, September 10, 1986

Автор: G?nther H. Friedrich; Peter M. Herzig
Название: Base Metal Sulfide Deposits in Sedimentary and Volcanic Environments
ISBN: 366202540X ISBN-13(EAN): 9783662025406
Издательство: Springer
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Автор: Philip K. Moore; Matt Whiteman
Название: Chemistry, Biochemistry and Pharmacology of Hydrogen Sulfide
ISBN: 3319359096 ISBN-13(EAN): 9783319359090
Издательство: Springer
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Описание: This book puts hydrogen sulfide in context with other gaseous mediators such as nitric oxide and carbon monoxide, reviews the available mechanisms for its biosynthesis and describes its physiological and pathophysiological roles in a wide variety of disease states. Hydrogen sulfide has recently been discovered to be a naturally occurring gaseous mediator in the body. Over a relatively short period of time this evanescent gas has been revealed to play key roles in a range of physiological processes including control of blood vessel caliber and hence blood pressure and in the regulation of nerve function both in the brain and the periphery. Disorders concerning the biosynthesis or activity of hydrogen sulfide may also predispose the body to disease states such as inflammation, cardiovascular and neurological disorders. Interest in this novel gas has been high in recent years and many research groups worldwide have described its individual biological effects. Moreover, medicinal chemists are beginning to synthesize novel organic molecules that release this gas at defined rates with a view to exploiting these new compounds for therapeutic benefit.

Автор: Naldrett Anthony J
Название: Magmatic Sulfide Deposits
ISBN: 3642060994 ISBN-13(EAN): 9783642060991
Издательство: Springer
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Описание: PGE V-Voisey's Bay (Canada) D -Duluth Complex (USA) K-Kambalda (Australia) M-Merensky Reef (Bushveld) N -Noril'sk region (Russia) P-Pechenga(Russia) S-Sudbury (Canada) T-Thompson (Canada) J -Jinchuan (China) L-Lac des lies (Canada) PR-Platreef (Bushveld) Po-Portimo Complex (Finland) R-Raglan (Canada) U-UG-2 chromitite (Bushveld) Z-Great Dyke of Zimbabwe e-Mt Keith (Australia) . a. -Perseverance (Australia) +-Stillwater (USA) 0 0 0 'c9 - Ni+Co Cu Relative value of Ni+Co Fig. 1. 1. Relative va1ue of the contributions of Ni+Co, Cu and PGE to the mag- matic su1fide deposits listed in Table 1. 1 sulfide deposits are closely related to bodies of mafic or ultramafic rock, and the most convenient way in which to consider them is in terms of the type of magma responsible for the rocks with which they are associated. Typically the type of magma involved bears a close relationship to the tec- tonic setting within which it was emplaced. The locations of important deposits, both Ni-Cu dominant and PGE dominant, are shown in Fig. 1. 2. Considering first Ni-Cu deposits, these are further divided into six classes (Table 1. 2) on the basis of their associated magma type. Class NC- 1 (Chap. 3) comprises those related to komatiitic magmatism. Currently known deposits fall into two sub-classes, those related to Archean komatiites ( e. g. the deposits of Western Australia, Zimbabwe and the Abitibi belt of Canada) and those related to Proterozoic komatiites (e. g. those ofthe Raglau and Thompson belts which arebothin Canada)l.

Автор: R.J. Moreau
Название: Measurement and Control in Liquid Metal Processing
ISBN: 9024735106 ISBN-13(EAN): 9789024735105
Издательство: Springer
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Описание: Proceedings 4th Workshop held in conjunction with the 53rd International Foundry Congress, Prague, Czechoslovakia, September 10, 1986

Автор: Johannes Gescher; Andreas Kappler
Название: Microbial Metal Respiration
ISBN: 3642441386 ISBN-13(EAN): 9783642441387
Издательство: Springer
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Описание: This book discusses the implications of dissimilatory metal reduction in microbiology, biochemistry and geochemistry, and such developments as the discovery of potential applications of dissimilatory metal reducers in bioremediation and microbial fuel cells.