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  • 1
    Electronic Resource
    Electronic Resource
    Possible site of bronchodilation due to inhaled procaterol aerosol in asthmatic patients (1988)
    Springer
    European journal of clinical pharmacology 34 (1988), S. 433-437 
    Details
    ISSN: 1432-1041
    Keywords: procaterol ; airway responsiveness ; bronchodilator ; dynamic compliance ; Fourier analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary We studied the effective site of an inhaled aerosol of procaterol, a β2-selective adrenergic bronchodilator, in 8 asthmatic patients whose basal lung functions are almost within the normal range in both slow vital capacity (VC) and forced expiratory volume in one second (FEV1.0), and are free from asthmatic attack. In patients who had received procaterol 30 min after inhalation of aerosol, there was no significant change in VC, although FEV1.0, maximal expiratory flow at 50% VC $$(\dot V_{50} )$$ , maximal expiratory flow at 25% VC $$(\dot V_{25} )$$ and maximal expiratory flow at 30% VC of partial maximal expiratory flow volume curve $$(\dot V_{30p} )$$ improved significantly. On the other hand, in those who had received placebo, none of the parameters changed. Furthermore, Rl decreased and C0.5 increased significantly during the first 5 min after inhalation of procaterol aerosol. After an interval of 5 min, Rl did not change any further, while C0.5 continued to improve until 30 min after inhalation of procaterol. These results suggest that procaterol may first dilate the large airway and then may gradually dilate the small airway in bronchial asthma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01046698
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Radiation therapy of rat brain tumor using misonidazole as hypoxic cell sensitizer (1985)
    Springer
    Journal of cancer research and clinical oncology 109 (1985), S. 188-192 
    Details
    ISSN: 1432-1335
    Keywords: Experimental nervous system tumor ; Radiation therapy ; Misonidazole
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Rat brain tumor was used as a model to evaluate radiation therapy with and without misonidazole. BD-IX rats were implanted intracerebrally with an ethylnitrosourea-induced glioma. Three series of experiments were performed, with radiation given 14 days after inoculation of the glioma clone. In each series, the following radiation doses were given: 500 rads once, 1,000 rads once; and 1,000 rads twice, every time with or without two different doses of misonidazole. Radiation therapy significantly prolonged survival when compared to the longevity of the control group. The dose of 1,000 rads given twice was highly effective and the life-span of tumor-bearing rats increased from 72% to 121%. Misonidazole plus irradiation negated the prolongation of survival, achieved with radiation therapy alone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390355
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of organic solvents on the activity of glucoamylase (1986)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 28 (1986), S. 1172-1177 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Hydrolyses of maltose, maltotriose, and soluble starch catalyzed by glucoamylase (Asp. Niger) were carried out in the aqueous solutions of methanol, ethanol, ethylene glycol, and 1,4-dioxane at 40°C and at the optimum pH in the respective solutions. By the kinetic analysis based on the subsite model, it was shown that the intrinsic rate constant, Kint, was electrostatically affected by the dielectric constant of the hydroorganic solutions. The affinity of the third subsite, A3, which affects the apparent rate constant, K0, was correlated with the ×Gtr's of maltose and amino acid side chains.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260280807
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    Paper (German National Licenses)
    Fulltext
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