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  • 1
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
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    Chalfont St. Giles, U.K. : Periodicals Archive Online (PAO)
    Journal of European studies. 14:2=54 (1984:June) 140 
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  • 3
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    Chalfont St. Giles, U.K. : Periodicals Archive Online (PAO)
    Journal of European studies. 14:3=55 (1984:Sept.) 222 
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  • 4
    ISSN: 0942-0940
    Keywords: Chronic subdural haematoma ; surgery ; craniotomy ; clinical results ; computerized tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a retrospective study 143 chronic subdural haematomas in 120 patients were analysed. 64% of patients were 60 years or older. All haematomas were operated on by slightly enlarged burr-hole craniotomy and closed system drainage for three days postoperatively. A history of trauma was present in 63%. Most frequent symptoms in the older patients were mental changes and impaired consciousness. Postoperative mortality (within one month after surgery) was 4%. After a follow-up period of up to 2.5 years after surgery, 69% were neurologically normal, 20% had only minor complaints or slight deficits. Postoperative CT scans showed a gradual re-expansion of the compressed brain during the 2–3 weeks following haematoma removal.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 71 (1984), S. 381-383 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Data from a neutrino and antineutrino hydrogen experiment with BEBC are used to investigate transverse properties of the produced charged hadrons. Measurements are presented on average transverse momenta of charged pions as functions of Feynman-x and the hadronic mass, on the transverse momentum flow within an event and on jet-related quantities. The main features of the data are well described by the LUND model. The data favour a version of the model in which soft gluon effects are included and the primordial transverse momentum of the quarks in the proton is small. Effects from 1st order QCD (hard gluon emission) are negligible.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1435-1803
    Keywords: alcoholic cardiomyopathy ; enzymes ; nicotinamide adenine dinucleotide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We investigated in rat hearts if chronic alcohol consumption causes an enzymatic adaption of the energy-supplying metabolism and/or of the alcohol-aldehyde metabolizing system. 16 rats were pair-fed with a liquid diet for 10 weeks. Ethanol was added to this diet to amount for 35% of calories in eight rats and was isocalorically replaced by saccharose in the control group. Selected enzyme activities of the glycolysis, the glycogenolysis, the β-oxidation of fatty acids, the citric acid cycle and the alcohol-aldehyde oxidizing system were determined in the supernatants of the homogenized hearts. The intracellular redox state was assessed by measurement of the myocardial nicotinamide coenzymes. Enzyme activities of the alcohol-aldehyde metabolizing system did not alter after chronic alcohol intake. As we found that the capacity to oxidize acetaldehyde was much higher than the ability to oxidize ethanol we must question the role of acetaldehyde in inducing alcoholic cardiomyopathy. Chronic ethanol treatment significantly increased the activity of glyceraldehyde-3-phosphate dehydrogenase and decreased the activity of glycogen phosphorylase. The impairment of the hydroxyacylCoA dehydrogenase was not significant. The other measured enzyme activities did not alter, nor the intracellular redox state. The enzymatic adaption indicates an impaired glycogenolysis, an increased glycolysis, and probably a diminished β-oxidation of fatty acids. We expect that the measurement of the responding enzyme activities in human endomyocardial biopsies should be a good tool to further classify cardiomyopathies according to biochemical criteria.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Basic research in cardiology 79 (1984), S. 440-447 
    ISSN: 1435-1803
    Keywords: myocardium ; ischemia ; infarction ; reperfusion ; pig
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We investigated the temporal and spatial development of infarcts in porcine hearts to evaluate the time-dependent beneficial effect of reperfusion on infarct size. The left anterior descending coronary artery (LAD) was occluded in 17 pigs for different periods of time followed by 4 hours of reperfusion. Transmural needle biopsies subdivided into subendocardial and subepicardial halves were taken from the ischemic apex after 60 min of ischemia to determine the tissue concentrations of ATP and NAD. The myocardium-at-risk was assessed with a fluorescent dye injected into the right atrium at the end of the experiments, just after the LAD had been reoccluded. The excised hearts were cut into slices parallel to the heart basis. The ischemic myocardium was measured by planimetry of the nonfluorescent areas whereas the infarcted tissue was determined with the NBT stain and related to the area-at-risk. Ischemic cell death started in the jeopardized left ventricular subendocardial septum after about 30 min of ischemia. The further progress involved the right subendocardial septum and the subendocardium of the left anterior free wall. Already after 75 min of ischemia most of the myocytes-at-risk were irreversibly injured. Infarctions reached their final extent after 90–120 min of ischemia. These results indicate that in hearts without a significant collateral blood flow reperfusion can only reduce infarct size if its initiated within 60–75 min of ischemia. Like in canine hearts infarctions progress from the ischemic subendocardium towards the outer layers.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 234 (1984), S. 137-146 
    ISSN: 1433-8491
    Keywords: Dexamethasone suppression test ; Psychiatric disorders ; Intervening variables ; Dexamethason-Suppressions-Test ; Psychiatrische Erkrankungen ; intervenierende Variable
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In den letzten Jahren wurde in zahlreichen Publikationen der Dexamethason-Suppressions-Test (DST) als geeignetes Instrument zur Diagnostik endogener Depressionen dargestellt. Eigene Untersuchungen an 333 psychiatrischen Patienten und 121 gesunden Kontrollpersonen sprechen gegen eine differentialdiagnostische Wertigkeit des DST. Diese Aussage wird durch neuere Befunde anderer Arbeitsgruppen gestützt. Diagnoseunabhängige Variable wie Schweregrad der Erkrankung, Gewichtsverlust, Schlafstörungen, situativer Stress, Medikamenten- und Alkohol-Entzug sowie die Pharmakokinetik von Dexamethason scheinen entscheidend das Testergebnis zu beeinflussen.
    Notes: Summary In the past few years there have been numerous publications, which have stressed the value of the Dexamethasone Suppression Test (DST) as a diagnostic marker of endonous depression. Our own studies in 333 psychiatric inpatients and 121 healthy subjects did not reveal a differential diagnostic use for the DST. This result is in good agreement with recent results published in the literature. Our own data demonstrate, however, that intervening variables, such as severity of illness, weight loss, sleep disturbances, situational stress, drug and alcohol withdrawal and the pharmacokinetics of dexamethasone, have an important influence on the DST results, regardless of the diagnostic classification.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    Advances in Polymer Technology 4 (1984), S. 51-60 
    ISSN: 0730-6679
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Modern, trend-setting small injection molding machines should be designed so that they open up new applications to the plastics processor through utilization of microelectronics. In the sector of control, it would be equivalent to stagnation if only the familiar functions were realized with modern control circuits of a higher integration level and if the possibilities of these modules were not utilized to simplify operation, to expand the technological possibilities, and to illustrate the sequences of processes. The mechanical and hydraulic designs should be adjusted to these requirements.The design and extent of the electronic control system should be such as to ensure an economically reasonable relation between extra price and additional benefit - a basic requirement for offering standard supplies.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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