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  • 2000-2004
  • 1985-1989  (6)
  • 1970-1974
  • 1987  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Dehydro coupling of aromatic nuclei by catalyst-oxidant systems: poly(p-phenylene) (1987)
    s.l. : American Chemical Society
    Chemical reviews 87 (1987), S. 357-379 
    Details
    ISSN: 1520-6890
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/cr00078a005
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Large dose epidural sufentanil (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 42 (1987), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The postoperative analgesic management of a patient who was intolerant of morphine and pethidine is described. An epidural infusion of fentanyl up to 1 μg/kg/hour was ineffective for analgesia in the first 18 hours. Subsequently. 50-μg boluses and an infusion of 0.5 μg/kg/hour sufentanil provided satisfactory analgesia with minimal side effects for 28 hours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1987.tb05230.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Crystal clear (1987)
    [s.l.] : Nature Publishing Group
    Nature 327 (1987), S. 652-652 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR—I should like to comment on the criti-cal review by J. W. Emsley ( Nature 323, 377; 1986) of our new publication, Molecular Crystals and Liquid Crystals Bulletin, and of our decision to issue separately MCLC Letters. The criticism neglected to mention that MCLC Bulletin is distributed at ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/327652d0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A systematic study of the amino acid compositions and D/L ratios in fossil bones from two french neanderthalian sites (1987)
    Springer
    Human evolution 2 (1987), S. 289-296 
    Details
    ISSN: 1824-310X
    Keywords: Fossils ; Amino acid compositions ; Racemization ; Neanderthalian sites ; Dating
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The reaction of racemization in which the L amino acids are reversibly converted into the corresponding D amino acids, proceeds in geological environment at such a slow rate that it may be used as a geochronometer. However, in fossils several parameters may affect the rate of racemization, i.e. moisture, surface, pH buffer and metal cations. This work consists of a systematic study of total amino acid content in fossil bones from two neanderthalian sites. The amino acid distributions of all specimens were determined and compared to that of fresh bone. The D/L amino acid were quantified and expressed in terms of age as a function of the temperature. The results led us to consider the «La Roquette» site older than «Les Canalettes» site.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02436492
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Site specificity of binding of antitumor antibiotics to DNA (1987)
    New York : Wiley-Blackwell
    Biopolymers 26 (1987), S. 121-135 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The site specificities for intercalation of steffimycin B, adriamycin, echinomycin, and ethidium bromide with DNA have been determined by CD first-neighbor analysis. The first three, which are antineoplastic antibiotics, all exhibit preferential binding to sites comprised of guanine and cytosine (GpC, CpG, and CpC or its complement GpG). Ethidium bromide displays nonspecific intercalation. The results are compared with findings from “footprinting” studies.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360260113
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effects of weak acids and external pH on the intracellular pH of Zygosaccharomyces bailii, and its implications in weak-acid resistance (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 3 (1987), S. 23-32 
    Details
    ISSN: 0749-503X
    Keywords: Zygosaccharomyces ; weak-acid resistance ; intracellular pH ; yeast ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Weak acids and hydrogen ions in different concentration combinations affect the intracellular pH value (pHi) of Zygosaccharomyces bailii. The lowest pHi value measured was not at the most extreme, but at intermediate conditions of inhibition. Proton and organic-acid ejection, on a cell volume basis, is greater in cells grown under inhibitory conditions and is stimulated by weak acids, whilst in cells not grown under inhibitory conditions acid efflux is lower and is depressed by weak acids; this may be important in the maintenance of tolerable pHi values in the presence of weak acids. The concentration of benzoic acid measured internally is identical to the value expected from its pK, external pH and pHi. Addition of fructose to starved cells causes both a decreased pHi and a concomitant efflux of previously loaded benzoic acid, quantitatively in accord with the shift in equilibrium of the freely permeable undissociated acid. There is no evidence that weak acids are actively extruded. Protoplast volume also varies with hydrogen-ion and weak-acid concentration and this too may play a role in intracellular pH maintenace.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/yea.320030105
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    Paper (German National Licenses)
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