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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 30 (1958), S. 1005-1006 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 26 (1954), S. 1886-1889 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 43 (1987), S. 927-928 
    ISSN: 1420-9071
    Keywords: Purkinje cells ; cerebellar ontogeny ; giant mitochondria ; reptiles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Giant mitochondria were observed in the perikarya and dendrites of Purkinje cells in the developing cerebellar cortex of the lizardGallotia galloti at sevral stages previous to hatching. Such mitochondria are absent from the adult cerebellum.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0428
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusions Considerations of the structure of a candidate initiating antigen have led us to propose a new model for the susceptibility to Type 1 diabetes. It is quite likely there are other antigens of similar structure of viral or bacterial origin that will provoke a similar response directed against islet beta cells. However, we believe that this hypothesis will provide a framework for the further investigation and research into the mechanism of development of Type 1 diabetes and for the design of therapeutic manoeuvres for its prevention.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0428
    Keywords: Glucose load ; insulin ; growth hormone ; acromegaly ; pituitary irradiation ; hyperinsulinism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le taux d'insuline et d'hormone de croissance à la suite d'une charge en glucose (100 g) par voie orale fut mesuré chez23 acromégaliques qui avaient été traités par radiothérapie. Seize de ces patients étaient considérés cliniquement en phase «inactive» et les sept autres en phase «active». Deux de ces derniers étaient diabétiques et sous traitement. Treize sujets normaux, non obèses, formaient le groupe témoin. Cinq acromégaliques en phase «inactive» ont présenté à la suite d'une charge en glucose des valeurs de la glycémie dépassant les limites supérieures de la normale. Tous les acromégaliques en phase «active» et «inactive» présentaient une hyperinsulinémie à l'état de jeûne et à la suite d'une charge en glucose. Cette observation d'une montée exagérée de l'insulinémie à la suite d'une charge en glucose chez des acromégaliques cliniquement «inactifs» suggère qu'un taux sérique d'hormone de croissance continuellement élevé peut avoir amené des changements permanents de la réponse des îlots du pancréas à la suite d'une stimulation venant du glucose. Les valeurs moyennes du taux sérique de l'hormone de croissance étaient semblables à l'état de jeûne chez le groupe des témoins et chez les acromégaliques en phase «inactive». Ces derniers n'ont pas présenté une baisse du taux sérique d'hormone de croissance à la suite d'une charge en glucose.
    Abstract: Zusammenfassung Die vorliegende Arbeit beschreibt den Verlauf der Seruminsulin- und Wachstumshormonwerte nach oraler Verabreichung von 100 g Glucose bei 23 Patienten mit Akromegalie, die früher mit Bestrahlung behandelt worden waren. Auf Grund der klinischen Befunde zum Zeitpunkt der Untersuchungen wurden sechzehn Patienten als „inaktive“ und sieben Fälle als „aktive“ Akromegale eingestuft. Zwei von den „aktiven“ Akromegalen waren behandelte Diabetiker. Dreizehn gesunde, nicht fettsüchtige Personen bildeten die Kontroll-gruppe. Fünf „inaktive“ Akromegale hatten nach der Glucosebelastung Blutglucosewerte über dem Normbereich. Sowohl die „inaktiven“ als auch die „aktiven“ Akromegalen zeigten Hyperinsulinämie nüchtern und nach Glucosezufuhr. Die gesteigerte Insulinsekretion der klinisch „inaktiven“ Akromegalen nach Glucosebelastung kann bedeuten, daß chronisch erhöhte Spiegel des zirkulierenden Wachstumshormons möglicherweise zu ständigen Veränderungen in der Reaktion derLangerhans'schen Inseln gegenüber Glucosestimulation geführt haben. Der durchschnittliche Serumwachstumshormonwert im Nüchternzustand war ungefähr der gleiche bei der Kontrollgruppe und bei „inaktiven“ Akromegalen; die letzteren wiesen keine Verminderung der Serumwachstumshormonwerte nach Glucoseverabreichung auf.
    Notes: Summary The insulin and growth hormone responses to oral glucose load (100 g) in 23 acronaegalic patients, previously treated by external irradiation, are described. Based on current clinical findings, sixteen acromegalics were considered “inactive” and seven patients “active”. Two of the latter were treated diabetics. Thirteen healthy, non-obese subjects formed the control group. Five “inactive” acromegalics had blood glucose values exceeding the upper limits of normal after the glucose load. Both the “inactive” and “active” acromegalics had hyperinsulinemia in the fasting state and after glucose load. The observation of an exaggerated serum insulin response to glucose load in clinically “inactive” acromegalics suggested that chronically elevated levels of circulating growth hormone may have led to permanent changes in the responsiveness of the pancreatic islets to glucose stimulation. The mean fasting value of serum growth hormone was about the same in the controls and the “inactive” acromegalics; the latter did not show suppression in serum growth hormone levels after glucose load.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 26 (1984), S. 297-299 
    ISSN: 1432-0428
    Keywords: Rat ; pathogenesis ; insulin-dependent diabetes ; dietary proteins ; milk proteins ; wheat proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Animals from a colony of spontaneously diabetic insulin-dependent BB rats were fed from weaning with semisynthetic diets in which natural proteins were replaced by l-amino acids with or without the addition of either milk or wheat proteins. The normal 50% incidence of diabetes in the colony was reduced to 15% in rats fed the basic semi-synthetic diet, while it was 35% and 52% when supplemented with gluten or milk, respectively. Thus, dietary factors might precipitate the expression of the disease.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1866
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The strata-bound fluorite-(barite-)Pb-Zn ore deposits occurring within the more than 3,000 m thick Alpujárride Carbonate Formation of the Betic Cordillera, southern Spain, are linked to two defined stratigraphic positions (within the Anisian and at the Ladinian-Carnian transition) and to definite sedimentary contexts. These are highly restricted lagoons isolated from the open sea by calcarenitic barriers with noticeable development of algal mats in their inner margins. Preevaporitic deposition conditions are usually recognized. The ore-bearing horizons are located either at the transition from evaporitic to normal marine deposition (as in the case of the Anisian ore-bearing horizon) or at the transition from normal marine to evaporite deposition (as in the case of the uppermost Ladinian to lowermost Carnian ore-bearing horizon). These vertical facies changes correspond also to the transitions from predominantly terrigenous (continental and/or coastal) sedimentation to marine carbonate sedimentation (Anisian ore deposits) and vice versa (upper Ladinian-lower Carnian). It is proposed that the ore deposits in the Triassic Alpujárride Formation are controlled by certain facies associations in the lagoonal environment. The depositional environment determines the hydrologic regimes responsible for early diagenetic formation of fluorite and of the related ore minerals in a way similar to that of early-diagenetic dolomite. This hypothesis is consistent with field and petrographic observations and with available geochemical and itotopic data reported in other works. The present investigation intends to underline the role played by surface-linked ore formation processes, i.e., by ore-forming processes essentially linked to the environments in which sedimentation and early diagenesis takes place, in the genesis of numerous strata-bound Zn-Pb-(F-Ba) ore deposits in carbonate rocks.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 57 (1996), S. 532 -535 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 91 (1989), S. 4425-4426 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The dissociation energy of boron hydride has been calculated ab initio using a very accurate theoretical model, with an expected accuracy of ±0.2 kcal mol−1. The values of 85.7 and 82.4 kcal mol−1 for De and D0, respectively, confirm the conclusion of Curtiss and Pople [J. Chem. Phys. 90, 2522 (1989)], that the predissociation limit of 82.6±0.4 kcal mol−1 might be close to the actual dissociation energy, and that an earlier proposed De of 78.9 kcal mol−1 is in error.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 92 (1990), S. 6655-6667 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The spectroscopic properties of the three lowest-lying states X 3Π, A 3∑−, and a 1∑+ of SiC have been computed accurately using augmented coupled cluster methods and different basis sets. Partition functions have been set up, accounting for anharmonicity, rotation–vibration coupling, centrifugal distortion, and isotope effects. Thermodynamic properties are tabulated in JANAF style from 100 to 6000 K. A critical analysis of the effects of the various contributions is made, as well as an error analysis.
    Type of Medium: Electronic Resource
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