We are improving our search experience. To check which content you have full access to, or for advanced search, go back to the old search.

Search

Please fill in this field.
Filters applied:
Chemistry

Search Results

Showing 381-399 of 399 results

  1. The three-dimensional structure of humic substances and soil organic matter studied by computational analytical chemistry

    A novel three-dimensional structural concept for humic substances and soil organic matter (SOM) is proposed which is based on previously published,...

    H. -R. Schulten in Fresenius' Journal of Analytical Chemistry
    Article 01 January 1995

  3. Geochemistry and Macromolecular Structure of Coal

    Coal is a complex sedimentary rock derived from plant remains that underwent peatification and subsequent coalification. Coals originated as peat...
    K. Lee Smith, L. Douglas Smoot, ... Ronald J. Pugmire in The Structure and Reaction Processes of Coal
    Chapter 1994

  4. Diet and Chronic Degenerative Diseases

    In 1983, a cross-sectional survey of diet, lifestyle, and disease mortality characteristics was carried out in 130 villages located in 65 counties of...
    T. Colin Campbell, Junshi Chen in Western Diseases
    Chapter 1994

  5. The Dietary Causes of Degenerative Diseases

    For a very long time, food has been recognized as being important in the development of disease, at least back to the time of Hippocrates 2500 years...
    T. Colin Campbell in Western Diseases
    Chapter 1994

  6. DNA Modifications

    DNA, deoxyribonucleic acid, is crucial to life. With its triplet coding, DNA serves as the template for messenger RNA, and is therefore responsible...
    Curt B. Norwood, Paul Vouros in Mass Spectrometry
    Chapter 1994

  7. Hydrothermal Alteration of Organic Matter in Marine and Terrestrial Systems

    The discovery in 1977 of active hydrothermal venting and associated mineralization at the seafloor spreading center of the Galápagos (Corliss et al.,...
    Bernd R. T. Simoneit in Organic Geochemistry
    Chapter 1993

  8. Supercritical fluid extraction in environmental analysis

    Supercritical fluid extraction (SFE) is a novel sample preparation method which promises to have a profound influence on environmental analytical...
    V. Janda, K. Bartle, A. A. Clifford in Applications of Supercritical Fluids in Industrial Analysis
    Chapter 1993

  9. Early Diagenesis of Organic Matter: The Dynamics (Rates) of Cycling of Organic Compounds

    Major changes in the concentration and composition of organic matter occur in the upper layers of aquatic sediments [see chapters by Hedges and Prahl...
    Susan M. Henrichs in Organic Geochemistry
    Chapter 1993

  10. A Review of Macromolecular Organic Compounds That Comprise Living Organisms and Their Role in Kerogen, Coal, and Petroleum Formation

    It is generally accepted that the formation of kerogens is the result of the so-called depolymerization-recondensation pathway (Tissot and Welte,...
    J. W. De Leeuw, C. Largeau in Organic Geochemistry
    Chapter 1993

  11. Chemical Methods for Assessing Kerogen and Protokerogen Types and Maturity

    Kerogen is the complex, high-molecular-weight, disseminated organic matter (OM) in sediments. It is operationally defined as OM that is insoluble in...
    Jean K. Whelan, Carolyn L. Thompson-Rizer in Organic Geochemistry
    Chapter 1993

  12. Cell culture systems andin vitro toxicity testing

    Jack Lipman, Oliver Flint, ... Warren Schaeffer in Cytotechnology
    Article 01 June 1992

  13. Abstracts

    F. Jancik, R.H.S., ... K. F. Becker in Fresenius' Journal of Analytical Chemistry
    Article 01 August 1992

  14. Abstracts

    W. Czysz, F. Jancik, ... B. Lange in Fresenius' Journal of Analytical Chemistry
    Article 01 November 1991

  15. Lipids and Macromolecular Lipids of the Hydrocarbon-rich Microalga Botryococcus braunii. Chemical Structure and Biosynthesis. Geochemical and Biotechnological Importance

    Botryococcus braunii Kützing is a colonial Chlorophyceae (green microalga) characterized by an unusually high production of...
    P. Metzger, C. Largeau, E. Casadevall in Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products
    Chapter 1991

  16. Proteins in the fossil bone of the dinosaur, seismosaurus

    Proteins have been successfully extracted from the fossil vertebra of a 150-million-year-old sauropod dinosaur (“Seismosaurus”) recently excavated...

    L. R. Gurley, J. G. Valdez, ... D. D. Gillette in Journal of Protein Chemistry
    Article 01 February 1991

  17. Pyrolyse-Massenspektrometrie

    Die Pyrolyse (Py)-Massenspektrometrie (MS) ist ein wichtiges Verfahren zur Charakterisierung von hochmolekularen Verbindungen und wird häufig zur...
    H.-R. Schulten, B. Plage in Analytiker-Taschenbuch
    Chapter 1990

  18. Pyrolyse-Massenspektrometrie

    Die Pyrolyse (Py)-Massenspektrometrie (MS) ist ein wichtiges Verfahren zur Charakterisierung von hochmolekularen Verbindungen und wird häufig zur...
    H.-R. Schulten, B. Plage in Analytiker-Taschenbuch
    Chapter 1988

  19. Role of Intercellular Communication in Modifying the Consequences of Mutations in Somatic Cells

    While there is little question that mutations could play a role in several somatic disease states, it is hard to understand how a mutation in a...
    J. E. Trosko, C. C. Chang in Antimutagenesis and Anticarcinogenesis Mechanisms
    Chapter 1986
Did you find what you were looking for? Share feedback.