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  • 1975-1979  (3)
Source
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Dosage effect of SOD-A gene in 21-trisomic cells (1976)
    Springer
    Human genetics 〈Berlin〉 31 (1976), S. 197-202 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary SOD-A activity was measured by the polarographic method of catalytic currents in 30 subjects 10–24 years of age with a karyotype 47, +21, and 30 age matched normal subjects. The ratio of the average amount of SOD-A in 21-trisomic cells to the average amount in normal cells is 1.4495. Statistical analysis confirms that this ratio does not differ significantly from the ratio 1.5 expected in the case of a simple gene dosage effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00296146
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Oxidation of polymethylated benzenes promoted by.OH radicals (1979)
    Springer
    Journal of applied electrochemistry 9 (1979), S. 301-305 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract OH radicals, produced in aqueous acid media by the electrogenerated system Fe(II)/H2O2, promote the oxidation of polymethylated benzenes. Under our experimental conditions only one -CH3 group was oxidized to -CHO. A reduction of aldehyde to alcohol by.OOH radicals was shown to occur when H2O2 was produced in excess over Fe(II). In hydrochloric acid or in perchloric acid with Cl− ions added, a remarkable increase of the yields was observed. The results are discussed on the basis of the kinetic parameters of the reactions involved in the process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01112483
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Electrochemical production of OH. radicals and their reaction with toluene (1976)
    Springer
    Journal of applied electrochemistry 6 (1976), S. 257-261 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The reaction between electrochemically generated Fenton's reagent and toluene was studied. The products arising from this reaction system were consistent with a primary hydrogen atom abstraction from the methyl group of toluene to give benzyl radicals. Benzaldehyde was obtained with a current yield higher than 60%; benzyl alcohol was also produced in smaller quantities in some experiments. The dependence of the yields on reagent concentrations, temperature and coulombs passed was examined. On the basis of the experimental results a mechanism is proposed involving peroxy and alkoxy radicals as intermediates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00616149
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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