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  • 1
    Electronic Resource
    Electronic Resource
    Binding, sequestration, and processing of epidermal growth factor and nerve growth facor by PC12 cells (1983)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 114 (1983), S. 321-327 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The rat PC12 pheochromocytoma cell line exhibits biological responses to both nerve growth factor (NGF) and epidermal growth factor (EGF). The existence of receptors and biological responses on a common cell for these two well-characterized polypeptide growth factors makes this an attractive system for comparison of ligand binding and processing. Both NGF and EGF are bound to PC12 cells in a competable form at 4°C. At 37°C both ligands are “sequestered”, but at different rates and to different extents. While sequestration happens rapidly and nearly quantitatively for bound EGF, the dissociation reation appears to compete favorably with NGF sequestration. Both EGF and NGF are degraded by PC12 cells. Sequestered EGF, however, is degraded to a greater extent than sequestered NGF.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041140311
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    New Procedures for Purifying TNT (1982)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 7 (1982), S. 150-154 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Ammonium and magnesium sulfites were tested for purifying crude TNT in comparison with the conventional (“sellite”) process using sodium sulfite. The magnesium process easily gave an acceptable product in better yield, of higher quality, and at lower estimated cost. Magnesium values suitable for recycle were recovered from the waste water by calcination. The ammonium process gave an acceptable product only under specific reaction conditions, but the waste water can be recovered by mixing it with TNT process spent sulfuric acid, thereby eliminating a calcination step.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19820070604
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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