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  • 1960-1964  (23)
  • 1
    Electronic Resource
    Electronic Resource
    Mass Spectrometry. (1964)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 86 (1964), S. 3910-3911 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01072a094
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  • 2
    Electronic Resource
    Electronic Resource
    Some Observations on the Synthesis of Phthaloylamino Acids (1962)
    s.l. : American Chemical Society
    The @journal of organic chemistry 27 (1962), S. 4686-4688 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01059a531
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  • 3
    Electronic Resource
    Electronic Resource
    Zur Strukturanalyse zweidimensional fehlgeordneter OD-strukturen: Die Strukturbestimmung des Natriumtetrametaphosphats Na2H2P4O12 (1964)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 17 (1964), S. 482-491 
    Details
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0365110X64001177
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  • 4
    Electronic Resource
    Electronic Resource
    Relation of symmetry to structure in twinning, II. (1961)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 14 (1961), S. 1003-1003 
    Details
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0365110X61002898
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  • 5
    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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  • 6
    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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  • 7
    Electronic Resource
    Electronic Resource
    Ground-Water Recharge Hydrology (1964)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 2 (1964), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: The hydrology of ground-water recharge depends upon the physical and chemical characteristics of both soil and water. These characteristics must be measured and related to subsurface storage space and water movements to determine the feasibility of a site for recharge and to select appropriate methods and systems of recharge. Then water may be efficiently stored underground to be used independently or conjunctively with releases from surface storage reservoirs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1964.tb01766.x
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  • 8
    Electronic Resource
    Electronic Resource
    Studies of Chloroplast Development in Euglena. 4. Electron and Fluorescence Microscopy of the Proplastid and its Development into a Mature Chloroplast. (1961)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 8 (1961), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Electron and fluorescence microscopy reveal a proplastid about 1 μ in diameter in dark-grown Euglena gracilis quite like those in higher plants. After the cells are placed in the light these structures lengthen, probably in part by coalescence of several proplastids. Full size is reached in some cells after about one day in light. Lamellae, growing as blebs off the inner proplastid membrane, develop in a roughly linear fashion with time, art average of one new lamella appearing after each 6 hours in the light. The maturation of the proplastid thus appears to differ appreciably from that in higher plants since the latter presumably create several lamellae simultaneously, and these appear able to replicate themselves in a geometrically parallel fashion. The question is raised whether the apparent differences in development may not be due to lesser discrimination in observing the sequence in the higher plants, for there are no observations necessarily inconsistent with the sequence found in Euglena.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1961.tb01238.x
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  • 9
    Electronic Resource
    Electronic Resource
    Studies of Sulfate Utilization by Algae. 3. Products Formed From Sulfate by Euglena (1964)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 11 (1964), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Sulfate-S35 uptake by intact Euglena cells, as well as incorporation of sulfate-S35 into the insoluble fractions of the cells, was partially inhibited by adding iodoacetamide simultaneously or ten minutes before radioactive sulfate. The identification of S-cysteine acetamide and S-glutathione acetamide showed the presence of glutathione and cysteine in the soluble pool of Euglena but methionine, homocysteine, and S-adenosylmethionine were not found during these experiments. An unidentified radioactive peak was eluted by 2 n HCl during column chromatography of the soluble fraction of Euglena cells. The major compound in this peak was identified as L-cystine on the basis of its infra-red spectrum, paper and column chromatographic characteristics and optical rotation. The use of iodoacetamide permitted the independent demonstration of cysteine and cystine in the soluble pools by eliminating oxidation artifacts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1964.tb01732.x
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  • 10
    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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