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  • 2000-2004  (1)
  • 1945-1949  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of the Striga Germination Stimulant on Extension Growth on the Roots of Peas (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 842-843 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE seeds of Striga hermonthica, like those of certain closely allied parasites, will normally only germinate after they have been treated with a stimulant that is released from the roots of a large variety of species1. The situation suggests that the parasite seed is supplied ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163842b0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Paper Chromatography of Pterins (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 31-31 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE detection and identification of pterins in small quantities was carried out by Schöpf and Becker1 in the course of their classical work on this class of pigments. They employed a chromatographic technique using 0·004 N aqueous hydrochloric acid or 0·01 N methyl alcoholic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163031a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Colouring Matters of the Aphididæ (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 759-761 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THREE colouring matters (cochineal, kermes, J[ lac-dye) derived from insects belonging to the Coccidse have long been of commercial importance and have been the subject of extensive chemical investigation. Although many of the related Aphididse are highly pigmented and are of very common ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162759a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    GM1-gangliosidosis in a cross-bred dog confirmed by detection of GM1-ganglioside using electrospray ionisation-tandem mass spectrometry (2000)
    Springer
    Acta neuropathologica 100 (2000), S. 409-414 
    Details
    ISSN: 1432-0533
    Keywords: Key words GM1-gangliosidosis ; Ultrastructure ; Electrospray ionisation tandem mass spectrometry ; Diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The post-mortem diagnosis of lysosomal storage diseases can be confounded by the unavailability of suitable material. Here we report the diagnosis of GM1-gangliosidosis in a cross-bred dog, from which only formalin-fixed brain was available, by a combination of electron microscopy and the detection of elevated levels of GM1-ganglioside within the tissue using the novel technique of electrospray ionisation tandem mass spectrometry. Electron microscopic examination of ultrathin sections of resin-embedded tissue revealed cytoplasmic inclusions (membranous cytoplasmic and zebra bodies) in brain stem and cerebellar neurons that were characteristic of a gangliosidosis. Glycolipids were extracted from the fixed tissue and analysed by tandem mass spectrometry. Two major ions were detected, which corresponded to GM1 (d18:1–C18:0) and GM1 (d20:1–C18:0). Their identity was confirmed by comparison of their fragmentation patterns with those of authentic standards. The concentration of GM1 was approximately sixfold higher on a wet weight basis than in the brain of a normal control dog, confirming the diagnosis of GM1-gangliosidosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004010000187
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    Paper (German National Licenses)
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