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  • Artikel: DFG Deutsche Nationallizenzen  (15)
  • 2005-2009  (1)
  • 1980-1984  (14)
  • 1
    Digitale Medien
    Digitale Medien
    B Cell Growth and Differentiation Factors and Mechanism of B Cell Activation (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Immunological reviews 78 (1984), S. 0 
    Details
    ISSN: 1600-065X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1600-065X.1984.tb00478.x
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  • 2
    Digitale Medien
    Digitale Medien
    The use of improved ruthenium red staining for the ultrastructural detection of proteoglycan aggregates in normal skin and Lichen myxoedematosus (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 11 (1984), S. 0 
    Details
    ISSN: 1600-0560
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Improved ruthenium red staining has been applied to normal human skin and lichen myxoedematosus skin lesions for the detection of the fine structure proteoglycan aggregates. In 4 samples of normal skin and in a patient with lichen myxoedematosus, the typical fine ultrastructures of proteoglycan aggregates, i.e., many short irregularly-curled filaments of varying lengths attached to long and rather straight filaments of hyaluronic acid were shown. Although lichen myxoedematosus is thought o be due to the faulty formation of proteoglycan aggregates, we suggest a different view, that this improved method of ruthenium red staining is useful for the detection of proteoglycan aggregates, and provides a better preparation for electron microscopy.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1600-0560.1984.tb00380.x
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  • 3
    Digitale Medien
    Digitale Medien
    ENERGY CONSUMPTION AND THE POTENTIAL FOR CONSERVATION IN A SPRAY-DRIED COFFEE PLANT (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    Details
    ISSN: 1750-3841
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Consumption of direct energy sources in a plant producing spray-dried coffee amounted to 12,930 kcal/kg of instant coffee (kg IC). Thermal energy sources accounted for 95% of the energy and electricity for the rest. Spray-drying was the most energy intensive operation, requiring 5,040 k/kg IC. Thermal energy consumption (kcal/kg IC) for roasting, extraction, and concentration was 890, 2,030, and 1,780, respectively. Thermal energy losses in the unit operations amounted to 55% of that consumed. Heat recovery and insulation techniques can be used to conserve about 70% of the losses.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb04132.x
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  • 4
    Digitale Medien
    Digitale Medien
    The γ-brass structure at high pressure (1980)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 36 (1980), S. 1762-1765 
    Details
    ISSN: 1600-5740
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S0567740880007182
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  • 5
    Digitale Medien
    Digitale Medien
    MECHANISM OF FIBRIN FORMATION AND ITS REGULATION (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 370 (1981), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1981.tb29761.x
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  • 6
    Digitale Medien
    Digitale Medien
    High-Pressure Synthesis of Novel Hydride in Ca-TM Systems (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 885-888 
    Details
    ISSN: 1662-8985
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Notizen: Hydrogen storage materials are attracting much attention as media of storing hydrogen.High-pressure synthesis has been widely used for exploration of novel materials. We have reportedthat many new Mg-based hydrides or alloys have been synthesized by anvil-type apparatus underthe pressure of GPa-order. In Mg - TM ( TM = Nb, Ta ) - H systems, it was reported that novelFCC-type hydride which is similar in crystal structure and composition to Mg7TiH13-16 wassynthesized under 8 GPa. On the other hand, there is few reports of novel Ca-based hydrides to besynthesized under high pressure. However, the compressibility of calcium is higher than that ofmagnesium. Thus, there is a tendency for Ca compounds to be synthesized by lower pressure thanMg ones.This study describes the synthesis of new Ca-based hydrides by this high-pressure techniques. InCa - TM ( TM = Ti, Hf, V, Nb and Ta ) systems, the influence of applied pressure on present phaseswere investigated. For the composition of CaH2 - 14.3 mol%ZrH2 in Ca - Zr - H system, novelhydride was synthesized at 1073 K for 2 h under 5 GPa. Crystal structure of the novel hydride wasfound to be FCC-type with a lattice parameter of a = 0.531 nm. In addition, the thermal stability andhydrogen contents of this novel hydride were investigated.In Ca - Hf - H system, the unknown phase was observed in the sample of CaH2 - 12.5 mol%HfH2prepared 1073 K for 2 h under 5 GPa. This unknown phase is FCC structure with lattice parameterof a = 0.528(2) nm
    Materialart: Digitale Medien
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.26-28.885.pdf
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  • 7
    Digitale Medien
    Digitale Medien
    Mutagenicity of α-hydroxy N-nitrosamines in V79 Chinese hamster cells (1984)
    Springer
    Journal of cancer research and clinical oncology 108 (1984), S. 290-295 
    Details
    ISSN: 1432-1335
    Schlagwort(e): Metabolic activation ; α-Hydroxy N-nitrosamine ; Mutagenicity and cytotoxicity ; V79 Chinese hamster cells ; Alkylating reactivity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Carcinogenic and mutagenic N-nitrosodialkylamines are metabolically activated through α-hydroxylation. The synthesis, chemical properties, and microbial mutagenicity of α-hydroxy N-nitrosamines have been reported previously. Potent mutagenicity of four N-nitroso-N-(hydroxymethyl)-alkylamines (alkyl-methyl, ethyl, propyl, and butyl) was demonstrated in the present study in V79 Chinese hamster cells, ouabain resistance being used as an indicator. All the compounds were strong mutagens in the absence of metabolic activation systems. The mutagenic and cytotoxic potencies correlated well with each other, and depended on the alkyl group, decreasing in potency in the following order: methyl〉ethyl 〉propyl=butyl. Their alkylating reactivity was measured by alkylation of thiophenol, and a good linear relationship was observed between the mutagenic and cytotoxic potencies and their alkylating reactivity. The mutagenic and cytotoxic potencies of the α-hydroxy N-nitrosamines in V79 cells were well correlated with those of α-acetoxy and α-hydroperoxy N-nitrosamines with respect to the effect of alkyl group. The results obtained here supported further that α-hydroxy N-nitrosamine is the active species in the metabolic activation of N-nitrosodialkylamine.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00390460
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  • 8
    Digitale Medien
    Digitale Medien
    Carcinogenicity of N-alkyl-N-(acetoxymethyl)nitrosamines after subcutaneous injections in F-344 rats (1982)
    Springer
    Journal of cancer research and clinical oncology 104 (1982), S. 13-21 
    Details
    ISSN: 1432-1335
    Schlagwort(e): N-Alkyl-N-(acetoxymethyl)nitrosamines ; F-344 rat ; Subcutaneous injection ; Malignant fibrous histiocytoma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary As model compounds for metabolically activated N,N-dialkylnitrosamines, five N-alkyl-N-(acetoxymethyl)nitrosamines were synthesized and their carcinogenicy was testet in F-344 rats of both sexes. Compounds used in this study are N-methyl-(MAMN), N-ethyl-(EAMN), N-propyl-(PAMN), N-butyl-(BAMN), and N-isobutyl-N-(acetoxymethyl)nitrosamines (i-BAMN). All chemicals were dissolved in olive oil and rats received 10 weekly subcutaneous injections of these chemicals (10×5 mg MAMN or equimolar amounts of other chemicals) at the interscapular region. Subcutaneous tumors were detected in many rats of all groups treated with the chemicals, although no tumor was detected in the control group. Lung and/or thyroid tumors were also observed in many rats in the experimental groups. The incidence of subcutaneous tumors was highest in EAMN, followed in order by MAMN, PAMN, BAMN, and i-BAMN. On the contrary, the incidence of lung and thyroid tumors was highest in MAMN and decreased as the length of the alkyl chain of the chemicals increased. Histologically, almost all subcutaneous tumors were malignant fibrous histiocytomas. The results indicate that the chemicals possess systemic as well as local carcinogenicity in F-344 rats. The potent carcinogenic effects at the injection site of the α-acetoxy nitrosamines, coupled with their direct mutagenic activity reported previously, support the notion that these derivatives are useful as models for the ultimate form in the metabolic activation of N,N-dialkylnitrosamines.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00402049
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  • 9
    Digitale Medien
    Digitale Medien
    Mechanical properties of molybdenum coated with titanium carbide film (1983)
    Springer
    Journal of materials science 18 (1983), S. 3092-3098 
    Details
    ISSN: 1573-4803
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Abstract TiC-coated molybdenum is mechanically tensile tested. The 6Μm thick TiC-coated molybdenum has a higher 0.2% proof strength with a slight decrease in uniform and rupture elongation than the uncoated one. This strengthening effect of the TiC coating can be explained by the constrained effect of the high strength TiC film. The 1.2Μm thick TiC-coated molybdenum starts its plastic deformation at a lower stress than the uncoated one. Also, the coating makes the stress-strain curve more smooth. These effects are attributed to the surface effect, namely, that the interface between the molybdenum substrate and the strong and brittle TiC film acts as a strong dislocation source. The compressive stress in the TiC film will also help the start of plastic deformation at lower external stresses.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00700793
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  • 10
    Digitale Medien
    Digitale Medien
    Experimental infection of cynomolgus monkeys with a human retrovirus, adult T-cell leukemia virus (1984)
    Springer
    Medical microbiology and immunology 173 (1984), S. 57-64 
    Details
    ISSN: 1432-1831
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The experimental infection of six cynomolgus monkeys with adult T-cell leukemia virus (ATLV) was attempted. Three animals were inoculated with living MT-2 cells and three with cell-free ATLV. All animals developed an antibody response to virus-specific glycopolypeptides and viral core polypeptides. ATLV-specific antigens appeared in peripheral lymphocytes from all six animals. Virus expression persisted in all animals. Up to 40 weeks after inoculation no animal developed any symptom of leukemia.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02123570
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