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  • 1
    Electronic Resource
    Electronic Resource
    Action of morphine on reproduction and immunological status in mice (1979)
    Springer
    Bulletin of experimental biology and medicine 88 (1979), S. 1191-1193 
    Details
    ISSN: 1573-8221
    Keywords: reproduction ; immunological status
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The course of embryogenesis is disturbed in CBA mice during prolonged administration of morphine. There is a parallel decrease in the level of antibody-synthesizing cells and a significant fall in cooperative interaction between T-and B-lymphocytes in response to injection of sheep's red blood cells. Meanwhile stimulation of bone marrow cells and specific sensitization of producers of migration inhibition factor to antigen from the brain of mice treated with morphine are observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00838204
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Immunotherapeutic use of neuraminidase in chemically induced carcinogenesis (1977)
    Springer
    Bulletin of experimental biology and medicine 84 (1977), S. 1756-1759 
    Details
    ISSN: 1573-8221
    Keywords: chemical carcinogenesis ; neuraminidase ; immunotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The action of neuraminidase fromVibrio cholerae on the development of sarcomas induced in CBA mice by dimethylbenzanthracene was studied. Administration of the enzyme preparation began after the appearance of tumors in the animals. Administration of 50 units neuraminidase twice a week to the mice for 3 months was effective in the early stages of carcinogenesis. An increase in the survival period of the experimental mice compared with the control animals was observed after intraperitoneal injection of cells of a syngeneic induced sarcoma, and of injection of sensitized lymphocytes obtained from syngeneic mice with tumors into the region of the developing tumor. No positive effect was observed if lymphocytes injected into the region of the tumor were treated previously with neuraminidase. Simultaneous injection of neuraminidase into the region of the developing tumor and intraperitoneal injection of syngeneic induced sarcoma cells treated with the enzyme was particularly effective against carcinogenesis. The possibilities of the use of the enzyme neuraminidase under clinical conditions are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00804828
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Automorphisms of graphs (1994)
    Springer
    Journal of mathematical sciences 72 (1994), S. 3341-3343 
    Details
    ISSN: 1573-8795
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We consider the description of automorphisms of the Berge graph in terms of the graph mapping. Necessary and sufficient conditions for a permutation to be an automorphism are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01261692
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Effects of microwave radiation (340 and 900 MHz) on different structural levels of erythrocyte membranes (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Bioelectromagnetics 6 (1985), S. 305-312 
    Details
    ISSN: 0197-8462
    Keywords: 340 MHz and 900 MHz ; microwave radiation ; temperature ; fluoresence probes ; trinitrobenzene sulfonic acid ; erythrocytes ; Life and Medical Sciences ; Occupational Health and Environmental Toxicology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: By use of fluorescence probes 1-anilinonaphthalene-8-sulfonic acid, 2-toluidinylnaphthal-ene-6-sulfonate, pyrene, perylene and chemical label phosphatidylethanolamine 2,4,6-trinitrobenzele sulfonic acid, the effect of microwave radiation on the erythrocyte membrane was studied. The studies with the fluorescence probes were carried out on erythrocyte ghosts and with 2,4,6-trinitrobenzene sulfonic acid on whole erythrocytes. The fluorescence was measured during irradiation of the membranes with 340-MHz microwaves at an SAR of 100 W/kg. Trinitrophenylation of phosphatidylethanolamine from whole erythrocytes was performed simultaneously with microwave irradiation at 900 MHz (10 mW/cm2). It was shown that the microwave field decreased lipid viscosity, altered the structural state of lipid-protein contact regions, and decreased the protein shielding of lipids. These changes corresponded to those produced by thermal action of microwaves.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bem.2250060310
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    Paper (German National Licenses)
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