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  • 1985-1989  (6)
  • 1989  (4)
  • 1986  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Zn-induced impurity levels in layer semiconductor InSe (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 66 (1989), S. 3647-3650 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The impurity levels in Zn-doped InSe have been investigated by photoluminescence (PL), Hall effect (HE), and deep-level transient spectroscopy (DLTS). Previous analysis by PL spectra shows that the radiative transition is dominated by donor-Zn acceptor pairs. In the present work, a search was made for the deep acceptor level using the combined data from HE and DLTS measurements. We find that the deep acceptor level, which is associated with defects or defect complexes formed by Zn atoms in the interlayer, is located about 0.6 eV above the valence band.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.344075
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The outcome of severe head injuries in children (1989)
    Springer
    Neurosurgical review 12 (1989), S. 436-440 
    Details
    ISSN: 1437-2320
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01790687
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Treatment of acute subdural hematoma with a low GCS score (1989)
    Springer
    Neurosurgical review 12 (1989), S. 198-200 
    Details
    ISSN: 1437-2320
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01790648
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Massive traumatic haematoma of the corpus callosum (1986)
    Springer
    Acta neurochirurgica 81 (1986), S. 36-39 
    Details
    ISSN: 0942-0940
    Keywords: Severe head injury ; corpus callosum ; diffuse injury
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Five unusual cases with massive haematoma of the corpus callosum caused by blunt head trauma are presented. Aside from the callosal haematomas, intraventricular and subarachnoid haemorrhages or small haemorrhagic foci in the basal ganglia or thalamus were common concomitant lesions on the computerized tomographic (CT) scan. The sites of the impacts were the frontal and occipital areas which were close to the midline and above the level of the corpus callosum. Severe and diffuse brain dysfunction was suggested by the severity of the Glasgow coma score (GCS) and the abnormality on multimodality evoked potentials. An intensive medical treatment such as barbiturate could be promising since a direct surgical approach was dubious because of additional damage to the severely injured brain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01456262
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of diltiazem on the pharmacokinetics of propranolol, metoprolol and atenolol (1989)
    Springer
    European journal of clinical pharmacology 36 (1989), S. 67-70 
    Details
    ISSN: 1432-1041
    Keywords: diltiazem ; propranolol ; metoprolol ; atenolol ; pharmacokinetics ; drug interaction ; beta-adrenoceptor blockade ; healthy volunteers ; pharmacodynamic effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetic interaction between diltiazem and three β-adrenoceptor blockers propranolol, metoprolol and atenolol was investigated in healthy volunteers given diltiazem 30 mg or placebo t.d.s. for 3 days, followed by a single dose of propranolol 20 mg, metoprolol 40 mg or atenolol 50 mg. The AUCs of propranolol and metoprolol were significantly increased after diltiazem and it significantly prolonged the elimination half-life of metoprolol. In contrast, it did not significantly affect the pharmacokinetics of atenolol. Propranolol significantly decreased the resting pulse rate after diltiazem pretreatment as compared to placebo. The results indicate that diltiazem impaired the clearance of propranolol and metoprolol, which are principally metabolized by an oxidative pathway, and that the kinetic interaction between diltiazem and propranolol may partly be related to the significant reduction in the pulse rate produced by the latter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561026
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of HTLV-III on the macromolecular synthesis in HTLV-I carrying cell line, MT-4 (1986)
    Springer
    Medical microbiology and immunology 175 (1986), S. 325-334 
    Details
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Upon infection of human T-cell leukemia virus type I (HTLV-I)-carrying human T-cell lines such as MT-4, HTLV-III, a probable etiologic agent of acquired immune deficiency syndrome (AIDS) caused fast and strong cytopathic effects leading ultimately to the death of the cells. Such effects were preceded by the rapid induction of HTLV-III antigens. Cell lines not infected with HTLV-I could, however, be subcultured after infection with HTLV-III, although they were also positive for HTLV-III antigens. To understand this cytopathogenicity of HTLV-III in HTLV-I bearing cells, macromolecular synthesis, including DNA synthesis and total protein synthesis, and also IL-2 receptor expression were investigated kinetically. In infected MT-4 cells DNA synthesis was markedly inhibited by HTLV-III after the HTLV-III antigen synthesis became evident. This inhibition occurred before cell damage was detected in terms of viable cell-growth, but after induction of HTLV-III antigen. Puromycin, at 40 Μg/ml, caused no toxic changes in MT-4 cells over 3 days but prevented viral antigen synthesis and virus-induced cytopathic effect. Protein synthesis and IL-2 receptor expression were also inhibited at 4 and 5 days post infection. The degree of the effects and their kinetics suggest that they are the secondary effects of cytotoxicity by HTLV-III infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02123869
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    Paper (German National Licenses)
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