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  • rat  (3)
  • Inorganic Chemistry  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 14 (1978), S. 325-328 
    ISSN: 1432-0428
    Keywords: Diabetes ; hypertrophy ; kidney ; nephrectomy ; rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The kidney growth seen after the induction of experimental diabetes in rats has been compared to the compensatory renal growth after one-sided nephrectomy. After five days the kidney weight had increased from 650 ± 15 mg in a group of controls to 778 ± 21 mg in diabetic rats, and 764 ±17 mg in unilaterally nephrectomised rats. The increased weight was in both groups reflected in an increased DNA content and increased RNA/DNA and protein/DNA ratios. In a group of rats made diabetic and nephrectomised at the same time, kidney weight increased to 953 ± 22 mg after five days. When rats were unilaterally nephrectomised after 20 days of untreated diabetes, compensatory growth was much more pronounced than in non-diabetic rats, kidney weight rising from 780 ± 21 to 1144 ± 39 mg in five days. Similarly, in rats with established compensatory renal hypertrophy, diabetes induced a very rapid growth of the remaining kidney (1226 ± 46 mg after five days).
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 13 (1977), S. 141-143 
    ISSN: 1432-0428
    Keywords: Blood glucose ; diabetes ; DNA ; hypertrophy ; kidney ; rat ; Streptozotocin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Streptozotocin diabetic rats have larger kidneys than non-diabetic rats. In the present study the rate of kidney growth during the first seven days of diabetes was correlated with the blood glucose concentration. Over a wide range of blood glucose concentrations (116–340 mg/100 ml) the kidney weight, protein content and protein/DNA ratio were closely correlated with the glucose values.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0428
    Keywords: Diabetes ; growth hormone ; hypertrophy ; kidney ; rat ; streptozotocin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Normal and diabetic rats were given daily injections of human growth hormone for four days (5 mg per rat per day). Injected rats showed no differences from uninjected controls with respect to kidney weight or renal content of protein, RNA or DNA. Kidney weight increased by 7% after two days of diabetes and by 20% after four days, but growth hormone caused no augmentation of the hypertrophy. It is concluded that growth hormone plays no role in the initiation of diabetic renal hypertrophy.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird gezeigt, daß in wäßrigen Lösungen von TiCl3 in allen Konzentrationsbereichen wesentliche Anteile von Hydrolyseprodukten vorhanden sind, so daß derartige Lösungen zum Studium der Lichtabsorption definierter Komplexionen des Ti(III) ungeeignet sind. Für die erste Hydrolysenstufe des Ions [Ti(H2O)6]3+ wird eine Hydrolysenkonstante zwischen 1,3 und 0,5 · 10-4 wahrscheinlich gemacht.Das Absorptionsspektrum wäßriger Lösungen von TiCl3 ist in seinem langwelligen Bereich gegen Symmetrieänderungen in erster Sphäre der in den Lösungen vorliegenden Komplexionen (hervorgerufen z. B. durch Hydrolyse) vergleichsweise unempfindlich.Die Darstellung des Hexaharnstoff-Titan(III)-jodids, [Ti(ha)6]J3, wird beschrieben. Die Ergebnisse magnetischer und röntgenographischer Untersuchungen werden mitgeteilt.Das Absorptionsspektrum des [Ti(ha)6]3+-Komplexions in Lösung sowie das Spektrum des kristallisierten Komplexsalzes zeigt eine Bande mit deutlicher Doppelstruktur bei etwa 600 mμ.Die Änderungen des Hexaharnstoff-Titan(III)-Spektrums in wäßriger Lösung infolge Aquotisierung sind denjenigen im Spektrum des entsprechenden Chrom(III)-hexaharnstoff-Komplexes weitgehend ähnlich.Es gelingt, die Absorptionseigenschaften von Titan(III))-Komplexen der Koordinationszahl 6 mit sechs gleichen Dipolliganden (H2O, ROH, CO(NH2)2) mit Hilfe von Symmetriebetrachtungen auf der Grundlage der elektrostatischen Theorie zu verstehen.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird eine Anordnung zur Darstellung von wasserfreiem TiCl3 in Anlehnung an die Apparatur von SCHUMB u. Mitarb.(2)(3) beschrieben, die ein grobkristallines Produkt in guter Ausbeute liefert. Das Absorptionsspektrum wäßriger TiCl3-Lösungen, die im wesentlichen Hexaquo-Ionen [Ti(H2O)6]3+ enthalten, wurde neu vermessen. Weiterhin wurden die Absorptionseigenschaften von Lösungen von TiCl3 in absolutem Methanol und Äthanol, in denen die Hexaalkoholatokomplexe [Ti(CH3OH)6]3+ und [Ti(C2H5OH)6]3+ vorhanden sind, ermittelt. Die Darstellung des kristallisierten Titan(III)-hexa-isopropyl-alkoholato-chlorids [Ti(isopr.)6]Cl3 wird beschrieben.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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