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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 781 (1996), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 781 (1996), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Solid State Communications 8 (1970), S. 2087-2090 
    ISSN: 0038-1098
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 545 (1988), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1440
    Keywords: Inhalation of133xenon ; hepatic-venous133xenon-clearance ; portal133xenon-concentrations ; Inhalation von133Xenon ; lebervenöse133Xenon-Clearance ; portale133Xenon-Konzentrationen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Durch kontinuierliche Messung portaler133Xenon-Konzentrationen konnte man feststellen, daß die monoexponentielle Endkomponente der nach Inhalation von133Xenon registrierten lebervenösen133Xenon-Clearance durch die Rezirkulation des Gases aus dem Magen-Darmtrakt hervorgerufen wird. Dadurch ergab sich die Möglichkeit, die gesuchte hepatische133Xenon-Clearance durch ein klassisches “peeling off”-Verfahren aus dem Teil der lebervenösen Clearancekurve zu isolieren, der nach dem Sistieren der arteriellen Rezirkulation nur noch aus der133Xenon-Clearance des Leberparenchyms und der133Xenon-Rezirkulation aus dem Magen-Darmtrakt bestand. In allen Fällen ließ sich durch dieses einfache graphische Verfahren eine monoexponentielle Komponente mit einer Zeitkonstanten darstellen, die jener der nach Injektion des Gases erhaltenen hepatischen133Xenon-Clearance ähnelte.
    Notes: Summary After the inhalation of133xenon continuous registrations of portal133xenon concentrations showed that the monoexponential terminal component of the hepatic-venous133xenon-clearance might be due to the recirculation of the gas from the gut. Accordingly, in all the cases, with the application of the wellknown “extrapolation and peeling off” of this monoexponential terminal component from this part of the hepatic-venous133xenon-clearance, not affected any more by arterial recirculation a monoexponential133xenon-clearance could be separated. The time-constant of the latter was similar to that of the well-known specific hepatic133xenon-clearance after the application of the gas by injection into the portal vein.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1440
    Keywords: Programmable infusion apparatus ; Stable and unstable diabetes ; Continuous intravenous insulin therapy ; Metabolic control ; Continuous glucose determination ; Hyperlipoproteinemia type IV ; Programmierbares Infusionsgerät ; Stabiler und instabiler Diabetes mellitus ; Kontinuierliche, gesteuerte Insulininfusion ; Stoffwechseleinstellung ; Kontinuierliche Glucosemessung ; Hyperlipoproteinämie, Typ IV
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Mit Hilfe eines programmierbaren Infusionsgerätes wurden zwei Gruppen von insulinpflichtigen Diabetikern über zwei bis vier Tage kontinuierlich mit Insulin eingestellt. Gleichzeitig wurde die Blutglucosekonzentration entweder laufend mit dem Autoanalyzer registriert oder intermittierend in 1–2stündigen Intervallen gemessen. Als Index für die Stoffwechseleinstellung wurde die mittlere Blutglucose (MBG) und die mittlere Amplitude der Blutzuckerausschläge (MAGE) während einer Vorperiode nach optimaler klinischer Einstellung, der Infusions-periode und einer Nachperiode, wiederum unter konventioneller Injektionstherapie, bestimmt. Bei stabilen (N=7) wie instabilen (N=10) Diabetikern kam es unter der kontinuierlichen intravenösen Therapie, gemessen an den Werten für MBG und MAGE, zu einer signifikanten Verbesserung der Einstellung, die in einer Reihe von Fällen einem physiologischen Schwankungsbereich entsprach. Bei der Gruppe der instabilen lag die mittlere Insulindosis bei i.v. Applikation signifikant über dem der Vor- und Nachperiode, während bei den stabilen Patienten kein Unterschied bestand; dabei wurden im Gegensatz zu den Kontrollperioden keine deutlichen hypoglykämischen Reaktionen registriert. Bei einer weiteren Diabetikerin mit Hyperlipoproteinämie Typ IV kam es während einer viertägigen intravenösen Insulintherapie zu einem Abfall der freien Fettsäuren, der Triglyceride und des Cholesterins. Die Ergebnisse zeigen, daß es durch die Imitation natürlicher Sekretionsprofile gelingt, unter kontrollierten Bedingungen Diabetiker besser als mit den üblichen Methoden einzustellen. Die gesteuerte intravenöse Insulinzufuhr scheint (nach Miniaturisierung) eine realisierbare Zwischenlösung auf dem Weg zu einem regulierten System, der „künstlichen B-Zelle“, darzustellen.
    Notes: Summary Two groups of insulin-dependent diabetics were controlled with the help of a pre-programmed continuous intravenous insulin infusion during 2–4 days. Blood glucose concentration was measured either continuously by the Autoanalyzer or at 1 to 2 h intervals. Mean blood glucose (MBG) and mean amplitude of glycemic excursions (MAGE) served as indices of metabolic control during a pre-infusion period at which optimal clinical control was sought, during the infusion and a post-infusion period, again under conventional therapy. In stable (N=7) as well as unstable (N=10) diabetics continuous intravenous therapy led to a significantly better control as judged by MBG and MAGE, in a number of cases within a physiological range. In the unstable group, the mean i.v. dose was significantly higher as compared to the pre- and postinfusion period, whereas there was no change in the stable patients. In contrast to the control periods, no significant hypoglycemic reactions were observed during insulin infusion. In a diabetic with hyperlipoproteinemia type IV a fall of free fatty acids, triglycerides and cholesterol was found during four days of intravenous insulin therapy. The results show that by imitation of physiological secretion profiles diabetics can be better controlled than by conventional methods. Controlled intravenous insulin therapy (after miniaturization) appears to be a feasible intermediary step on the way to the implantable ‘artificial B-cell’.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Experimental brain research 45 (1982), S. 253-264 
    ISSN: 1432-1106
    Keywords: Cerebellar nuclei ; Eye movements ; Nystagmus ; Saccades
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In all cerebellar nuclei saccade related neurons can be recorded. In the alert untrained Rhesus monkey these neurons can be classified into short-lead bursters, complex bursters, and tonic burst neurons. Short-lead bursters can be related to the onset or to the length of saccades and blinks. Complex bursters are active in the early (acceleration) or late (deceleration) phase of saccades. Tonic burst neurons, in addition, display maintained activity which is modulated in a complex manner with eye position, during periods of fixation or slow-phase nystagmus. In agreement with clinical and previous experimental data we view these cerebellar output neurons as elements which are not part of the system which basically generates eye movements, but rather as a system which could influence the execution of movements.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Annals of Physics 90 (1975), S. 285-294 
    ISSN: 0003-4916
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Annals of Physics 76 (1973), S. 360-404 
    ISSN: 0003-4916
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 154-154 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Characteristics of control and diabetic groups and the respective plasma membrane preparations (10 animals in each group) Control Diabetic Body weight (g) 36.9 ±0.3 34.8 ±0.8 Liver weight (mg) 1.45 ±0.05 1.71 ±0.04 Blood sugar (mg per 100 ...
    Type of Medium: Electronic Resource
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