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  • Environmental sensing
  • Lipids
  • Wiley-Blackwell  (5)
  • American Chemical Society
  • Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu
  • 1985-1989  (5)
Collection
Keywords
Publisher
  • Wiley-Blackwell  (5)
  • American Chemical Society
  • Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu
  • Springer  (9)
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Capillary supercritical fluid chromatography of archaebacterial glycerol tetraether lipids (1986)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 9 (1986), S. 182-185 
    Details
    ISSN: 0935-6304
    Keywords: Supercritical fluid chromatography ; Lipids ; Bacterial glycerol tetraethers ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The analysis of bacterial glycerol tetraethers by capillary supercritical fluid chromatography is described. Complete separation of ethers, differing only by the number of cyclopentane rings present in the isopranyl side chains could be achieved. On a 50% methylphenylpolysiloxane coated capillary, the ethers eluted in the order of increasing cyclopentane content. The analysis revealed the presence of two previously unreported structural isomers of glycerol tetraethers. The method can be used qualitatively and quantitatively as a fast and sensitive screening test for such compounds in living organisms and sedimentary organic matter.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240090311
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  • 2
    Electronic Resource
    Electronic Resource
    3,6-Epoxyalkansäuren (Tetrahydrofuran-2-essigsäuren) - neue Bestandteile des Humanplasmas (1989)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1989 (1989), S. 449-452 
    Details
    ISSN: 0170-2041
    Keywords: 3,6-Epoxyalkanoic acids ; Fatty acids ; Lipids ; Plasma, human ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 3,6-Epoxyalkanoic Acids (Tetrahydrofuran-2-acetic Acids) - New Compounds of Human PlasmaHuman plasma contains cis,trans isomers of 3,6-epoxyalkanoic acids 2a-i, a previously unknown class of natural products. These compounds occur in human plasma mainly as free acids.
    Notes: Humanplasma enthält die cis,trans-isomeren 3,6-Epoxyalkansäuren (2,5-substituierte Tetrahydrofuranmonocarbonsäuren) 2a-i. Diese bisher unbekannte Naturstoffklasse liegt im Humanplasma hauptsächlich als freie Säuren vor.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198919890179
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  • 3
    Electronic Resource
    Electronic Resource
    High-power 13C and 1H nuclear magnetic resonance in dry gluten (1988)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 26 (1988), S. 245-251 
    Details
    ISSN: 0749-1581
    Keywords: Gluten ; Relaxation ; Solid-state NMR ; Lipids ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: High-resolution, solid-state 13C NMR spectra of wheat gluten obtained under a variety of acquisition conditions are reported. These spectra are compared with the results from a 1H relaxation study of dry gluten in which the transverse relaxation times, the spin-lattice relaxation times in the rotating frame and the spin-lattice relaxation times in the laboratory frame at three different Larmor frequencies are characterized. It is concluded that 13C experiments, the proton transverse relaxation measurements and the rotating frame results distinguish between protein and lipid motional environments, whilst the laboratory frame proton spin-lattice relaxation results detect two separate protein environments. The relationship between the laboratory frame spin-lattice relaxation time constants and Larmor frequency is consistent with a model of macromolecular motion in which the polymer chains are held between cross-link points. Observed changes in the various proton relaxation times on removal of lipid or disruption of disulphide cross-links are interpreted in terms of the frequency and anisotropy of molecular motions in the gluten system.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260260313
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  • 4
    Electronic Resource
    Electronic Resource
    Electron diffraction and diffraction contrast imaging of thin organic films (1989)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 11 (1989), S. 286-297 
    Details
    ISSN: 0741-0581
    Keywords: Domains ; Bilayer ; Liquid crystals ; Lipids ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: The applications of electron diffraction and diffraction contrast electron microscopy with which to study the structure and dynamics of organic thin films are discussed. The techniques of making thin film deposits on substrates and of forming free-standing thin films over holes on the substrate are described. Selected area electron diffraction and diffraction contrast imaging techniques for thin film studies are elaborated, and examples are given. Methods to reduce radiation damage and environmental protection of the thin film specimen are outlined.The interpretation of electron diffraction and imaging data is given for three cases: (1) The effects of film tilting and molecular tilting (with respect to the film plane) are examined. (2) The detection of phase transition is illustrated. (3) The use of labels to mark film domains is shown together with the measurement of dynamic movement.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1060110408
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  • 5
    Electronic Resource
    Electronic Resource
    Mechanisms of Biological Ion Transport  -  Carriers, Channels, and Pumps in Artificial Lipid Membranes (1985)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 24 (1985), S. 905-923 
    Details
    ISSN: 0570-0833
    Keywords: Ion transport ; Carriers ; Channels ; Pumps ; Lipids ; Membranes ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The cell membrane contains specific systems for passive and active transport of ions between the cytoplasm and the extracellular medium. For a number of small and medium-sized transport molecules like valinomycin and gramicidin A, extensive structural and kinetic data are available and it is possible in these cases to understand the transport function on the basis of their molecular structure. Incorporation into artificial bimolecular lipid membranes opens up the possibility of studying the kinetic properties of biological transport systems in detail.
    Additional Material: 27 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.198509051
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