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  • 1
    Electronic Resource
    Electronic Resource
    Biochemical Characterization of the T-Cell Mitogen Derived from Mycoplasma arthritides. (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 24 (1986), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A biochemical procedure is described to purify the T-cell mitogen in the supernatant of cultured Mycoplasma arthritidis organisms. The mitogenic material was bound on an affigel blue column. The eluate of this column was then acylated at 0°C for 1.5 h and subsequently chromatography on a Sepharose C1 6B and a Superose 12HR column were performed. SDS-PAGE showed a major band at MW 26,000 and some minor bands at 50,000. With this material biological tests were performed, including induction of lymphoproliferation and interferon induction in murine spleen cell cultures. Purified Mycoplasma arthritidis supernatant (MAS) vigorously stimulated spleen cell cultures of A/J, CBA, C3H/He, and DBA/2 mice, whereas a low-grade hut definitive response was observed in C57BL/6 spleen cells. Cultures of Balb/c nu/nu mice, in contrast to those of their euthymic littermates, were non-reactive. When induction of interferon was tested, a marked response to purified MAS was observed in CBA and C3H/HeJ spleen cell cultures, whereas C57BL/6 spleen cells were non-reactive.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1986.tb02091.x
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  • 2
    Electronic Resource
    Electronic Resource
    Fast-axial-flow CO2-laser with integrated turbo-blower (1987)
    Springer
    Applied physics 42 (1987), S. 233-236 
    Details
    ISSN: 1432-0649
    Keywords: 42.5E
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new type of CO2-laser with high-power capability is described. It employs fast axial flow driven by a high-frequency radial impeller. Due to the coaxial design which integrates discharge tube, blower, and gas cooler into a single cylindrical housing, a very compact laser unit is realized. The discharge is rf excited (13.56 MHz). With a specific input power of 21 W/cm3 an output of 800 W is generated at an efficiency of 16%. The discharge can easily be operated in a pulsed mode with frequencies up to 10 kHz.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00693941
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  • 3
    Electronic Resource
    Electronic Resource
    Acceleration of cosmic-ray electrons by large-scale galactic spiral shocks — An observational report (1989)
    Springer
    Astrophysics and space science 156 (1989), S. 195-198 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hypothesis that large-scale shocks accompanying spiral density waves are the main sources of cosmic-ray electrons for whole galactic disks has been tested utilizing results of 10.7 GHz observations of spiral galaxies. It is suggested that the 10.7 GHz emission of galactic disks is largely controlled by star-forming processes, and that large-scale shocks apparently play a minor role.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00646365
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  • 4
    Electronic Resource
    Electronic Resource
    Large-scale configuration of the magnetic field in spiral galaxies (1986)
    Springer
    Astrophysics and space science 119 (1986), S. 191-194 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Global configuration of magnetic field in several spiral galaxies were determined by analysing characteristic variation of Faraday rotation within the galaxy disks. The majority has an open spiral, bisymmetric field configuration, while some (10–20%) have a ring field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00648844
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  • 5
    Electronic Resource
    Electronic Resource
    Detection of enzymatically formed14C-labelled fructan oligomers by means of size exclusion chromatography with an on-line liquid scintillation counter (1988)
    Springer
    Chromatographia 26 (1988), S. 359-362 
    Details
    ISSN: 1612-1112
    Keywords: High performance gel permeation chromatography ; Liquid scintillation counter ; On-line detection ; Fructan oligomers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary 1-F-Fructan/1-F-Fructan-Fructosyltransferase (FFT, EC 2.4.1.100) catalyses the transfer of a single fructose residue of an inulin-type fructan as donor to an acceptor. The donor must have a degree of polymerisation (DP) of at least 3 and the acceptor a DP of at least 2. High Performance Gel Permeation Chromatography (HPGPC) combined with an on-line Liquid Scintillation Counter was employed as an efficient and quick method for the separation and detection of the oligosaccharides produced by the catalytic action of FFT. Quantification of specific enzymatic activity and its selective detection was achieved by the use of radioactive substrates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02268181
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  • 6
    Electronic Resource
    Electronic Resource
    Kriechverhalten des Stahls X 6 CrNi 18 11 bei vorhandenen Abweichungen von der idealen Gestalt (1986)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 17 (1986), S. 211-217 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Creep Behaviour of Steel X 6 XrNi 18 11 Bars with Deviations from the Ideal FormThe Creep behaviour of cylindrical bars of the austenitic stell X 6 CrNi 18 11 which have a diameter deviation is described. The creep behaviour of the material is determined for an ideal geometry. For the secondary and tertiary creep stage the influence of cylindricity deviations on steady state creep rate, creep strain and creep life is calculated by a closed form estimation and by an exact numerical solution. The computations are compared with the experimental results.
    Notes: Das Kriechverhalten von zylindrischen Stäben aus dem austenitischen Stahl X 6 CrNi 18 11, die eine Durchmesserabweichung aufweisen, wird beschrieben. Dazu wird das Werkstoffverhalten bei idealer Geometrie ermittelt. Für den sekundären und tertiären Kriechbereich wird der Einfluß von Zylindrizitätsfehlern auf sekundäre Kriechgeschwindigkeit, Deckungswerte und Lebesdauer sowohl mit einer geschlossenen Näherungsslösung als such numerisch berechnet. Die Rechenergebnisse werden mit experimentell ermittelten Werten verglichen.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19860170606
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  • 7
    Electronic Resource
    Electronic Resource
    Die Kristallstrukturen der Diquecksilber(I)-Salze von AminobenzolsulfonsäurenProfessor Rudolf Hoppe zum 65. Geburtstage am 29. Oktober 1987 gewidmet (1987)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 553 (1987), S. 35-49 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structures of Dimercuri (I) Salts of p- and m-Sulfanilic AcidsThe crystal structures of the compounds Hg2(p-H2N-C6H4-SO3)2 (1), Hg2(m-H2N-C6H4-SO3)2 (2), and Hg2(m-H2N-C6H4-SO3)2 · 2H2O (3) contain leaf-structures (1 and 3) or chain-structures (2), with nearly linear groups N-Hg-Hg-N, Hg-O-contacts and hydrogen-bridging bonds. The smaller density of 3 compared with 1-caused by the steric hindrance through the ligand - declared the incorporation of water for raising the stabilising interaction in the crystals. The compound 3 is the kinetic controlled, the compound 2 the thermodynamic controlled product.
    Notes: Die Kristallstrukturen der Verbindungen Hg2(p-H2N-C6H4-SO3)2 (1), Hg2(m-H2N-C6H4-SO3)2 (2) und Hg2(m-H2N-C6H4-SO3) 2 · 2H2O (3) enthalten Blattstrukturen (1 und 3) oder Kettenstrukturen (2), die durch Verknüpfung der nahezu linearen Baueinheiten N-Hg-Hg-N durch koordinative Hg-O-Kontakte und Bildung von Wasserstoffbrückenbindungen entstehen. Die geringere Dichte von 3 verglichen mit 1 - bedingt durch größere sterische Hinderung des Liganden - läßt den Einbau von Kristallwasser zur Erhöung der stabilisierenden Wechselwirkungen innerhalb des Kristalles plausibel erscheinen. Die Verbindung 3 ist das kinetisch kontrollierte, die Verbindung 2 das thermodynamisch kontrollierte Produkt.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19875531005
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