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  • Electronic Resource  (4)
  • Directional Doppler  (2)
  • Embryogenic competence  (1)
  • Mouse liver  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effect ofPlasmodium berghei infection on benzoic acid metabolism in mice (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1407-1409 
    Details
    ISSN: 1420-9071
    Keywords: Mouse liver ; malaria infection ; benzoic acid detoxification ; glucuronic acid conjugation ; hippuric acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The metabolism of benzoic acid was studied inPlasmodium berghei infected mice both in vitro and in vivo. Results of in vitro studies showed a considerable decrease in the ability of the infected liver to detoxify benzoic acid by hippuric acid formation. The in vivo study showed that hippuric acid formation decreases with increasing parasitemia and the emergence of benzoyl-glucoronide. This new pathway stops operating with further increase in parasitemia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01950007
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Analysis of DNA size, content and cell cycle in leaves of Napier grass (Pennisetum purpureum Schum.) (1987)
    Springer
    Theoretical and applied genetics 74 (1987), S. 681-686 
    Details
    ISSN: 1432-2242
    Keywords: Cell cycle ; Embryogenic competence ; Nuclear DNA ; Pennisetum purpureum ; Tissue culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Mesophyll cell nuclei isolated from leaves of Pennisetum purpureum were analysed by flow cytometry to determine the nuclear DNA content and the percentage of cells in different phases of the cell cycle. Samples taken from base, middle and tip regions of leaves 2 to 8 (leaf 1, which was adjacent to the meristem, was too small to sample) showed no significant differences in the amount of DNA per G1 nucleus due to either age or position. The average amount of DNA per G1 nucleus was 5.78 pg. Although the majority of cells for each sample were in G1, samples taken from older leaves had higher percentages of cells in G2 and S phases. More specifically, base and middle regions of older leaves had a higher percentage of cells in G2 than all three positions in younger leaves. Electrophoretic analysis of nuclear DNA from leaves 2 to 7 showed no evidence of degradation or difference in fragment size for any sample or position. This study was compared to previous work on the relationship between leaf age and embryogenic competence in Pennisetum purpureum. The results suggest that changes in the cell cycle, and/or a loss or fragmentation of the nuclear DNA, are not responsible for loss of embryogenic competence in mature leaf tissue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00247541
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Improved real-time spectrum analyser for Doppler-shift blood-velocity waveforms (1979)
    Springer
    Medical & biological engineering & computing 17 (1979), S. 316-322 
    Details
    ISSN: 1741-0444
    Keywords: Blood velocity ; Directional Doppler ; Spectrum analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A real-time dual channel time compression spectrum analyser is described, which has been optimised for use in analysis of Doppler-shifted ultrasound. Detailed block diagrams of the circuitry utilised are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02443816
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    On methods for preprocessing direction Doppler signals to allow display of directional blood-velocity waveforms by spectrum analysers (1978)
    Springer
    Medical & biological engineering & computing 16 (1978), S. 549-553 
    Details
    ISSN: 1741-0444
    Keywords: Blood velocity ; Directional Doppler ; Spectrum analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Sommaire Décrit deux dispositifs de traitement préliminaire qui peuvent tous deux être utilisés avant l'analyse spectrale pour afficher sans ambiguïté les formes d'onde directionnelle de vitesse du sang par un appareil d'analyse spectral. Les détails de circuits intéressants sont présentés.
    Abstract: Zusammenfassung Es werden zwei Vorverarbeitungsanlagen beschrieben, von denen jede vor der Spektralanalyse verwendet werden kann, damit der Spektrumanalysator keine unklaren Blutgeschwindigkeitswellenformen anzeigt. Es werden wichtige Einzelheiten des Schaltkreises dargestellt.
    Notes: Abstract Two processors are described, either of which may be used before spectral analysis to allow unambiguous display of directional blood-velocity waveforms by the spectrum analyser. The relevant circuit details are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02457807
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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