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  • 1
    Call number: AWI G5-15-0026
    In: Developments in paleoenvironmental research
    Description / Table of Contents: Contents: Using Natural Archives to Track Sources and Long-Term Trends of Pollution: An Introduction / Jules M. Blais, Michael R. Rosen and John P. Smol. - The Influence of Hydrology on Lacustrine Sediment Contaminant Records / Michael R. Rosen. - The Stability of Metal Profiles in Freshwater and Marine Sediments / P. M. Outridge and F. Wang. - Calculating Rates and Dates and Interpreting Contaminant Profiles in Biomixed Sediments / Zou Zou A. Kuzyk, Robie W. Macdonald and Sophia C. Johannessen. - Contaminants in Marine Sedimentary Deposits from Coal Fly Ash During the Latest Permian Extinction / Hamed Sanei, Stephen E. Grasby and Benoit Beauchamp. - Lake Sediment Records of Preindustrial Metal Pollution / Colin A. Cooke and Richard Bindler. - Lacustrine Archives of Metals from Mining and Other Industrial Activities - A Geochemical Approach / John Boyle, Richard Chiverrell and Dan Schillereff. - Organic Pollutants in Sediment Core Archives / Jennifer B. Korosi, Wenhan Cheng and Jules M. Blais. - Environmental Archives of Contaminant Particles / Neil L. Rose and Meri Ruppel. - Tracking Long-range Atmospheric Transport of Contaminants in Arctic Regions Using Lake Sediments / Jane Kirk and Amber Gleason. - Tracking Long-Range Atmospheric Transport of Trace Metals, Polycyclic Aromatic Hydrocarbons, and Organohalogen Compounds Using Lake Sediments of Mountain Regions / Jordi Catalan. - Using Peat Records as Natural Archives of Past Atmospheric Metal Deposition / Sophia V. Hansson, Richard Bindler and François De Vleeschouwer. - Historical Contaminant Records from Sclerochronological Archives / Jessica Carilli, Branwen Williams, Bernd R. Schöne, Richard A. Krause and Stewart J. Fallon. - Contaminant Records in Ice Cores / Paolo Gabrielli and Paul Vallelonga. - Use of Catalogued Long-term Biological Collections and Samples for Determining Changes in Contaminant Exposure to Organisms / Linda M. Campbell and Paul E. Drevnick. - Tracking Contaminant Transport From Biovectors / Roland Kallenborn and Jules M. Blais. - Using Natural Archives to Track Sources and Long-Term Trends of Pollution: Some Final Thoughts and Suggestions for Future Directions / Jules M. Blais, Michael R. Rosen and John P. Smol. - Index.
    Description / Table of Contents: The human footprint on the global environment now touches every corner of the world. This book explores the myriad ways that environmental archives can be used to study the distribution and long-term trajectories of chemical contaminants. The volume first focuses on reviews that examine the integrity of the historic record, including factors related to hydrology, post-depositional diffusion, and mixing processes. This is followed by a series of chapters dealing with the diverse archives and methodologies available for long-term studies of environmental pollution, such as the use of sediments, ice cores, sclerochronology, and museum specimens.
    Type of Medium: Monograph available for loan
    Pages: XVI, 509 p.
    ISBN: 9789401795401
    Series Statement: Developments in paleoenvironmental research 18
    Branch Library: AWI Library
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 25 (1983), S. 1897-1904 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Hydrogen photoproduction from water in Scenedesmus cells requires removal of oxygen by a reagent in contact with the algae. Both deoxyhemoglobin and deoxymyoglobin stimulated hydrogen production by reversible absorption of oxygen. Their effectiveness was greatly increased when other oxygen-combining reagents were present in a separate chamber with deoxyhemoglobin and deoxymyoglobin serving as reversible oxygen transfer agents.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 104 (1992), S. 413-430 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Eines der großen Geheimnisse der Zellbiologie ist noch immer der Mechanismus der Informations-, oder besser Signalübertragung durch das Cytoplasma der Zelle. Naturstoffe, die diesen Prozeß inhibieren, ermöglichen einen Einblick in fundamental Aspekte der cytoplasmatischen Signalübertragung, durch die extrazelluläre Moleküle intrazelluläre Vorgänge beeinflussen. Deshalb ist die Naturstoffchemie - einschließlich organischer Synthese, Konformations-analyse und Methoden der Strukturanalyse - so wichtig für das Studium der Zellfunktionen. Dieser Beitrag skizziert unser Verständnis der Funktionen einer Gruppe von Naturstoffen - von der Entdeckung, daß diese Verbindungen die cytoplasmatische Signalübertragung inhibieren, bis zu neuesten Erkenntnissen ihrer Rolle als Mediatoren der Wechselwirkung zwischen weitverbreiteten Proteinen. Der Schwerpunkt der Diskussion liegt auf strukturellen Aspekten. Die Wechselwirkungen zwischen den Naturstoffliganden und ihren Proteinrezeptoren werden auf der molekularen Ebene diskutiert, um Licht in die molekularen Mechanismen der biologischen Funktionen dieser Verbindungen zu bringen. Dabei hoffen wir, den Nutzen eines chemischen Herangehens an biologische Systeme zu demonstrieren. Durch Chemie können wir die molekulare Basis biologischer Phänomene verstehen.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 31 (1992), S. 384-400 
    ISSN: 0570-0833
    Keywords: Natural products ; Immunophilins ; Signal transduction ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: One of the great mysteries of cell biology remains the mechanism of information transfer, or signaling, through the cytoplasm of the cell. Natural products that inhibit this process offer a unique window into fundamental aspects of cytoplasmic signal transduction, the means by which extracellular molecules influence intracellular events. Thus, natural products chemistry, including organic synthesis, conformational analysis, and methods of structure elucidation, is a powerful tool in the study of cell function. This article traces our understanding of a group of natural products from the finding that they inhibit cytoplasmic signaling to their current recognition as mediators of the interaction between widely distributed protein targets. The emphasis of the discussion is primarily structural. The interactions between the natural-product ligands and their protein receptors are analyzed at a molecular level in order to shed light on the molecular mechanisms of the biological functions of these compounds. In the process we hope to illustrate the power of chemical analysis as applied to biological systems. Through chemistry we can understand the molecular basis of biological phenomena.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
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