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  • 1970-1974  (5)
  • 1
    Electronic Resource
    Electronic Resource
    LIPID COMPOSITION OF QUAKING MOUSE MYELIN: COMPARISON WITH NORMAL MOUSE MYELIN IN THE ADULT AND DURING DEVELOPMENT (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 20 (1973), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— In the ‘Quaking’ mouse, a deficiency in the long chain fatty acid content of galactolipids has been shown to occur.Myelin in the mutant has been compared to myelin in adult and in 12-day-old controls. We have shown that myelin is not only quantitatively reduced but also qualitatively modified, with a higher protein and a lower galactolipid content. Cerebrosides contain only a small amount of kerasin, lacking long chain nonhydroxylated fatty acids in comparison to both controls; the relative percentage of phrenosin is increased.Although many similarities exist between adult Quaking myelin and myelin at 12 days, differences have been shown to occur which may be in relation to a genetic block at an earlier stage of development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1973.tb00036.x
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  • 2
    Electronic Resource
    Electronic Resource
    Long Chain Fatty Acid Formation: Key Step in Myelination studied in Mutant Mice (1970)
    [s.l.] : Nature Publishing Group
    Nature 227 (1970), S. 960-961 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The two myelin deficient mutant mice, "Quaking" and "Jimpy"4, manifest symptoms at the time of myelin formation, around the tenth day after birth. Although they have the same apparent phenotype, characterized by an abnormal gait, tremor and seizures, they have a different genotype; the Quaking ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/227960a0
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  • 3
    Electronic Resource
    Electronic Resource
    Die Photochemie von Diazo-dibenzoylmethan Eine wellenlängen- und temperaturabhängige Photoreaktion (1972)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 55 (1972), S. 2716-2723 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Diazo-dibenzoylmethane I undergoes two primary photochemical processes leading to α-phenyl-α-benzoyl-methane II and dibenzoylmethane III. The formation of II is related to the lowest excited singlet state of I and the formation of III is related to the lowest excited triplet state of I. The quantum yields of both processes (ΦII, ΦIII) are strongly wavelength dependent. It is unambiguously demonstrated, that the population of the two excited states depends on the energy of the exciting light, thus causing a wavelength effect. There is shown to be an activation barrier controlling the rate of intersystem crossing from the S1 to the T1 level of I.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19720550804
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  • 4
    Electronic Resource
    Electronic Resource
    Cyclische Stibinsäureester (1973)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 402 (1973), S. 43-46 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cyclic Esters of Stibinic AcidThe reaction of phenyldichlorstibine and triethoxyantimony with 1,2-diols (catechol, pinacol), 1,2-dithiols (toluol-3,4-dithiol, 1,2-ethandithiol), and 2-mercapto-ethanol yields 2-organo-1,3,2-diheterostiboles and -stibolanes. These substances are monomeric in the case of the dithia-compounds and polymeric in the case of the oxa-compounds.
    Notes: Phenyldichlorstibin und Triäthoxyantimon werden mit verschiedenen 1,2-Diolen (Brenzkatechin, Pinakol) und 1,2-Dithiolen (Toluol-3,4-dithiol, 1,2-Äthandithiol), sowie 2-Mercaptoäthanol umgesetzt. Die erhaltenen 2-Organo-1,3,2-diheterostibole und -stibolane sind stabil. Sie liegen im Falle der Dithiaheterocyclen monomolekular vor. Die Oxaverbindungen sind polymer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19734020106
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  • 5
    Electronic Resource
    Electronic Resource
    Offene und cyclische Methylstibonigsäureester. II (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 408 (1974), S. 261-265 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Esters of Methylstibonous Acid. II.The reaction of methyldibromstibine with sodium alcoholates and phenolates yield methyldialkoxi and methyldiphenoxistibines. Interchange reactions of the methyldiethoxistibine with thiols, 1,2-diols, 1,2-dithiols, and 2-mercapto-1-oles form dithioesters and cyclic esters of the methylstibonous acid in nearly quantitativ amount and high purity.
    Notes: Die Reaktionen von Methyldibromstibin mit Natriumalkoholaten und -phenolaten führen zu Methyldialkoxy- und -diphenoxystibinen. Bei den Umesterungsreaktionen von Methyldiäthoxystibin mit Thiolen, 1,2-Diolen, 1,2-Dithiolen und 2-Mercapto-1-olen erhält man nahezu quantitativ und in großer Reinheit die offenen Dithioester und cyclische Ester der Methylstibonigsäure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744080306
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