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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 132 (1985), S. 871-877 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Scientia Horticulturae 49 (1992), S. 125-134 
    ISSN: 0304-4238
    Keywords: nitrogen ; phosphorus ; potassium ; pre-harvest ; vase life
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-5195
    Keywords: Nerve graft ; Peripheral nerve injury ; Quantitative histological study ; Nerve Regeneration ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé On a sectionné le nerf péronier commun de 15 rats mâles et ces rats ont été divisés en quatre groupes: (1) greffe immédiate (Groupe I); (2) greffe différée au premier mois (groupe IM); (3) greffe différée au 3ème mois (groupe 3M) tandis que 5 rats indemnes faisaient office de groupe de contrôle. Tous les rats ont été sacrifiés 5 mois après la greffe. Trois indices morphologiques des axones myélinisés ont été évalués: (1) leur nombre moyen par unité de surface, (2) leur diamètre moyen et (3) la densité des axones dans l'ensemble du nerf. Les sites examinés ont été: (1) le segment proximal du nerf sectionné, (2) la greffe et (3) le segment distal du nerf sectionné. Quand la réparation est effectuée tardivement les axones du segment proximal s'atrophient, ce qui indique que le retard perturbe la régénération des axones et réduit l'activité dans le segment distal. La régénération est faible dans le groupe «3 M» comparativement au groupe «I». Cependant la régénération dans le groupe «IM» est identique à celle du groupe «I». Ces résultats démontrent que la greffe secondaire précoce peut être indiquée lorsqu'il n'est pas souhaitable d'effectuer une réparation immédiate.
    Notes: Summary The common peroneal nerves of 15 male rats were severed and the rats were divided into four groups: (1) immediate grafting (I group); (2) grafting delayed one month (IM group); (3) grafting delayed for three months (3M group) and 5 healthy rats were used as controls (control group). All the rats were sacrificed 5 months after grafting. Three morphological indices of the myelinated axons were evaluated, (1) the mean number per unit area, (2) their mean diameter and (3) the axon packing density. The sites examined were, (1) the proximal stump of the recipient nerve, (2) the grafted nerve and (3) the distal stump of the recipient nerve. When repair was carried out late there was atrophy of the axons within the proximal stump, indicating that delay affected axon regeneration as well as resulting in reduced activity in the distal stump. The “3M” group showed poor regeneration in comparison to the “I” group. However, in the “IM” group, the regeneration rate was similar to that of the “IM” group. Our results indicate that early secondary grafting should be considered when circumstances exist which make primary repair undesirable.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1420-9071
    Keywords: Pyrimidine 5′-nucleotidase (P5′N) ; nuclear magnetic resonance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We describe here a further Japanese family with pyrimidine 5′-nucleotidase (P5′N) deficiency diagnosed using a nuclear magnetic resonance (NMR) spectrum, in Kumamoto prefecture where two families having the disease have been reported before. The specific spectra in1H-NMR of P5′N deficient erythrocytes were due to three methyl protons of CDP-choline at 3.22 ppm and to H-2, H-8 and ribose-1′ of pyrimidine nucleotide phosphate(s) in the lower fields (at 5.82 and 8.00 ppm). The other specificities in31P-NMR spectra were due to CDP-choline, CDP-ethanolamine and UDP-glucose. Those spectra were not detected in other types of hemolytic anemia.
    Type of Medium: Electronic Resource
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