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  • 1985-1989  (5)
  • 1970-1974  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Controlled clinical trial of cadralazine as a second-step drug in the treatment of hypertension (1985)
    Springer
    European journal of clinical pharmacology 28 (1985), S. 135-138 
    Details
    ISSN: 1432-1041
    Keywords: hypertension ; cadralazine ; vasodilators ; chlorthalidone ; atenolol ; side-effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The antihypertensive efficacy of a new long-lasting vasodilator, cadralazine, and the diuretic chlorthalidone have been compared in hypertensive patients receiving concurrent treatment with atenolol. After a 4-week run-in period with atenolol alone 100 mg/day, two groups of 10 patients whose diastolic blood pressure exceeded 100 mm Hg were given for a period of 65 days either cadralazine 15 mg/day or chlorthalidone 25 mg/day, according to a randomized, double-blind, between-patients design. Compared to atenolol alone, both cadralazine and chlorthalidone induced a statistically and clinically significant decrease in blood pressure. The antihypertensive effect did not differ significantly between groups. Good compensation of the atenolol-induced decrease in heart rate was obtained with cadralazine, whereas during atenolol + chlorthalidone treatment at times the standing heart rate was significantly lower than during treatment with atenolol + cadralazine. Side-effects, many of which were already present during atenolol treatment, occurred with a similar frequency in both groups. It is concluded that atenolol + cadralazine and atenolol + chlorthalidone are equally well tolerated, acceptable and effective in the treatment of hypertension, but that further studies are warranted to explore the potential haemodynamic advantages of the cadralazine + atenolol combination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00609680
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of insulin on bone resorption (1973)
    Springer
    Calcified tissue international 12 (1973), S. 8-15 
    Details
    ISSN: 1432-0827
    Keywords: Insulin ; Bone ; Calcium ; Resorption ; Orthophosphate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé L'administration d'insuline cristallisée à des rats thyroparathyroidectomisés provoque une augmentation de la calcémie et de la phosphorémie. Le calcium plasmatique s'élève de façon linéaire entre 31 et 250 m Unités d'insuline/100 g de poids corporel. La courbe obtenue n'est guère différente de celle obtenue par extrait parathyroidien. L'administration simultanée d'insuline et d'extrait parathyroidien à des rats thyro-parathyroidectomisés agit sur la calcémie et la phosphorémie par un effet additif. Lorsque des os frontaux d'embryons de poulet sont cultivésin vitro en présence d'insuline cristallisée, le taux de résorption augmente. L'insuline augmente le taux de consommation en glucose des explants et induit une accumulation de citrate dans le milieu de culture. L'insuline stimule donc la résorption osseuse.
    Abstract: Zusammenfassung Der Plasmagehalt an Calcium und Phosphor bei thyroparathyreoidektomierten Ratten wurde durch die Verabreichung von kristallinem Insulin erhöht. Das Plasmacalcium verhielt sich zwischen 31 und 250 m Einheiten Insulin pro 100 g Körpergewicht linear. Die Steigung der erhaltenen Kurve ist nicht signifikant verschieden von derjenigen, die nach Parathyreoidea-Extrakt erhalten wird. Die gleichzeitige Verabreichung von Insulin und Parathyreoidea-Extrakt von thyroparathyreoidektomierten Ratten hatte eine kumulative Wirkung auf den Gehalt von Calcium und Phosphor im Plasma. Wenn Stirnbeine von Kükenembryos mit kristallinem Insulinin vitro kultiviert wurden, erhöhte sich die Resorptionsrate. Das Insulin steigerte den Glucoseverbrauch der Explantate und verursachte eine Anreicherung von Citrat im Kulturmedium. Die Ergebnisse deuten auf eine Stimulation der Knochenresorption durch Insulin.
    Notes: Abstract the administration of crystalline insulin to thyroparathyroidectomized rats raised their calcium and phosphorus plasma levels. The plasma calcium gave a linear response between 31 and 250 mU of insulin/100 g body weight. The slope obtained is not significantly different from that obtained with parathyroid extract. The simultaneous administration of insulin and parathyroid extract to thyroparathyroidectomized rats affected the calcium and phosphorus plasma levels in an additive fashion. When chick embryo frontal bones were cultivatedin vitro with crystalline insulin the rate of resorption increased. Insulin increased the rate of glucose consumption by the explants and induced the accumulation of citrate in the culture medium. It is concluded that insulin stimulates bone resorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02013717
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  • 3
    Electronic Resource
    Electronic Resource
    Postnatal Development of Ley dig Cells in the Testis of the Domestic Fowl (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 513 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb25034.x
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  • 4
    Electronic Resource
    Electronic Resource
    The effect of androgens on the carbohydrate metabolism of bone (1970)
    Springer
    Calcified tissue international 6 (1970), S. 133-142 
    Details
    ISSN: 1432-0827
    Keywords: Testosterone ; Dehydroepiandrosterone ; Glucosephosphate-dehydrogenase ; Glucose ; Bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé Les effets des androgènes (déhydroépiandrostérone et testostérone) sur le métabolisme des hydrates de carbone ont été étudiés en utilisant deux modèles expérimentaux. Le premier fait appel à la culturein vitro d'os embryonnaires d'oiseaux. Dans le deuxième modèle, on utilise des os non embryonnaires de mammifères, en cours d'ossification enchondralein vivo. Dans les deux cas, on note une augmentation de l'activité de la glucose-6-phosphate déhydrogénase et une oxydation différente de la glucose-1-14C et glucose-6-14C. Ces faits indiquent un changement dans le métabolisme du glucose allant vers la voie oxydative directe. En plus, le traitement provoque une hyperplasie de la couche hypertrophique dans l'épiphyse osseuse chez les souris prépubères.
    Abstract: Zusammenfassung Es wurden die Wirkungen von Androgenen (Dehydroepiandrosteron und Testosteron) auf den Kohlenhydratumsatz von Knochen mittels 2 experimenteller Modelle untersucht: einerseits anin vitro gezüchteten Bindegewebsknochen von Hühnerembryonen und andererseitsin vivo an nichtembryonalen Säugetierknochen mit endochondraler Ossifikation. In beiden Modellen läßt die Aktivitätszunahme der Glucose-6-phosphat-dehydrogenase und die unterschiedliche Oxydation von Glucose-1-14C und Glucose-6-14C eine Verschiebung des Glucosemetabolismus gegen den direkten oxydativen Abbau vermuten. Weiterhin erzeugt eine Behandlung mit diesen Hormonen eine Hyperplasie der hypertrophen Zellschicht an der Epiphysenplatte von vorpubertären Mäusen.
    Notes: Abstract An investigation on the effects of androgens (dehydroepiandrosterone and testosterone) on the carbohydrate metabolism of bone was carried out with two experimental models: avian embryonic membranous bone cultivatedin vitro, and mammal non-embryonic bone of endochondral ossificationin vivo. In both models, the increase in glucose-6-phosphate dehydrogenase activity and the differential oxidation of glucose-1-14C and glucose-6-14C suggest a shift in glucose metabolism toward the direct oxidative pathway. In addition, treatment with these hormones produces hyperplasia of the hypertrophic cell layer at the epiphyseal plate of prepubertal mice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02196192
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  • 5
    Electronic Resource
    Electronic Resource
    Characterization of a partial deletion of the factor VIII gene in a haemophiliac with inhibitor (1988)
    Springer
    Human genetics 〈Berlin〉 79 (1988), S. 86-88 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Genomic DNA from 49 Italian patients affected with severe haemophilia A was analysed by Southern blotting technique using a cDNA probe corresponding to exons 14–26 of coagulation factor VIII. No TaqI site mutation was observed in this sample. A partial deletion, eliminating exons 15–18 and spanning about 13 kb, was identified and characterized in one patient with anti-factor VIII antibodies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00291718
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  • 6
    Electronic Resource
    Electronic Resource
    Polymorphism in the location of the 18S and 28S rRNA genes on the chromosomes of the diploid-tetraploid treefrogs Hyla chrysoscelis and H. versicolor (1989)
    Springer
    Chromosoma 97 (1989), S. 481-487 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The chromosomes of the diploid Hyla chrysoscelis and its tetraploid sibling species H. versicolor were studied with AgNO3 staining and in situ hybridization to determine the chromosome location of the 18S and 28S ribosomal RNA (rRNA) genes. A total of 236 Hyla chrysoscelis from 34 localities in 15 U.S. states and 100 H. versicolor from 15 localities in 12 states were examined. The rRNA gene sites were extremely variable in H. chrysoscelis, and also variable, but to a lesser extent, in H. versicolor. The most common rRNA gene site in both H. chrysoscelis and H. versicolor was on the short arm of chromosome 6. All of the rRNA gene locations seen in H. versicolor were also seen in H. chrysoscelis, supporting the hypothesis that the tetraploid H. versicolor arose from H. chrysoscelis. Although polymorphic rRNA gene sites in H. versicolor may reflect the positions of the rRNA genes in H. chrysoscelis ancestors, the origin of the extreme variability of such sites in H. chrysoscelis seems more obscure. Possible explanations include inversions, translocations, mobile genetic elements or a combination of some or all of these.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00295033
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  • 7
    Electronic Resource
    Electronic Resource
    Causality for nonlinear systems in Hilbert spaces (1973)
    Springer
    Theory of computing systems 7 (1973), S. 323-337 
    Details
    ISSN: 1433-0490
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract This paper is about the causality structure of systems in Hilbert spaces. While treatments on the subjects are usually confined to systems which enjoy properties such as linearity, boundedness, or nonpredictive behavior, here, all these properties play no essential role. As a consequence, new and more general results are obtained. These results concern the concepts of causality, anticausality, and crosscausality, and give necessary and sufficient conditions to decompose a general system into the sum of causal, anticausal, and crosscausal components.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01890607
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  • 8
    Electronic Resource
    Electronic Resource
    Evidence for equilibration of hot nuclei (1987)
    Springer
    The European physical journal 326 (1987), S. 335-336 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The production cross sections of7Li in its ground and first excited states have been measured at 14°, 120°, 150°, for the 742 MeV20Ne+60Ni reaction. Hauser-Feshbach calculations show that the backward angle data are consistent with an emission temperature greater than 6 MeV. This is in agreement with the values extracted from the slope of the energy spectra and indicates that the emitting source is equilibrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297589
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  • 9
    Electronic Resource
    Electronic Resource
    Differential constitutive equations for finite strains of granular materials (1972)
    Springer
    Meccanica 7 (1972), S. 47-47 
    Details
    ISSN: 1572-9648
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02128856
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