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  • 1960-1964  (5)
  • 1930-1934
  • 1960  (5)
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Material
Years
  • 1960-1964  (5)
  • 1930-1934
Year
  • 1
    Electronic Resource
    Electronic Resource
    Isolation of Ergosterol from Euglena gracilis; Distribution Among Mutant Strains (1960)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 7 (1960), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Ergosterol was isolated from the non-saponifiable lipids of Euglena. For this, after saponification of the cells, the petroleum-ether extract was chromatographed on deactivated alumina. Development was achieved by pet. ether and 10% (v/v) benzene in pet. ether, and the sterol fraction was subsequently eluted with 10% (v/v) ethyl acetate in pet. ether. This sterol was identified as ergosterol by a) precipitation with digitonin, b) The Liebermann-Burchard reaction, c) co-chromatography with known ergosterol, d) ultraviolet absorption spectrum, e) conversion to the acetate with determination of the melting and mixed melting points and !” infra-red absorption spectrum of the acetate derivative. By these techniques, ergosterol content was measured in the-following strains of Euglena gracilis under various conditions of nutrition and illumination: bacillaris and Z strains, and several albino and pigment mutants derived from them. A. functional chloroplast seems unnecessary for ergosterol synthesis; the ergosterol content of cells (dry weight basis) was constant regardless of strain and growth conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1960.tb00707.x
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    Paper (German National Licenses)
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  • 2
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    The Sales Territory as a Fixed Asset (1960)
    New York : Periodicals Archive Online (PAO)
    Journal of marketing. 25:2 (1960:Oct.) 51 
    Details
    ISSN: 0022-2429
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3142-1960-025-02-000009
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Fluorescence Studies of Chloroplast Development in Euglena (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 825-826 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ETUGLEN A should be an excellent organism for the " study of control and biosynthesis of a new organelle in response to a highly controllable and defined external stimulus because the chlorophyll-free and presumably chloroplast-less dark-grown organism is believed to develop both rapidly after ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185825a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Some Atomic Reactions by Absorption Spectroscopy (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 759-760 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Atoms were produced from the molecular gas by electrodeless discharges (at 2,450 or 30 Mc./s.) and mixed with the reactant gas at one end of a reaction cell, 2 cm. in diameter and 30 cm. long, with quartz end-windows. Linear flow-rates through the cell were between 100 and 250 cm./s. The continuum ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185759a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Diagnostic significance of the time interval between resection of a malignant tumor and the appearance of jaundice (1960)
    Springer
    Digestive diseases and sciences 5 (1960), S. 573-575 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary and conclusion Three cases of jaundice are reported in patients who had had a malignant tumor removed 4 to 7 years before development of the icterus. In each instance, the jaundice was not due to metastatic neoplasm of the liver, but to a tumor of the pancreas in two patients, and a tumor of either the colon or pancreas in the third. In spite of the fact that the cause of jaundice could not be successfully treated in our cases, it is conceivable that under similar circumstances forms of icterus may arise that may prove amenable to surgical or medical treatment. These three experiences indicate that when icterus appears more than 4 years after the resection of a malignant tumor, some cause other than metastatic invasion of the liver should be considered. It is, of course, quite possible that icterus caused by factors unrelated to a previously resected tumor may appear at somewhat shorter intervals after surgery than occurred in the cases reported here, or when caused by related factors may make its appearance in a period of time comparable with that which occurred in our cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02233058
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    Paper (German National Licenses)
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