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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 2 (1973), S. 237-240 
    ISSN: 1432-0630
    Keywords: Magnetomechanical effects ; Magnetic domains
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract When an elastic shear stress and a cyclical magnetic field, parallel to each other, are applied in the plane of a ferromagnetic sheet, magnetization changes perpendicular to the field are induced in the sample. “Transverse” hysteresis loops, i.e. transverse magnetization plotted as a function of the longitudinal field, were studied in various materials. The characteristic shape of the loop and the differences in sign and magnitude of the “transverse” magnetization have been qualitatively explained in terms of magnetic domain theory.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The protein journal 13 (1994), S. 547-552 
    ISSN: 1573-4943
    Keywords: Kininogenase ; kinin ; erythrocyte membranes ; bovine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A kininogenase from bovine erythrocyte membranes has been purified 140-fold by affinity chromatography on pepstatin A-Agarose followed by ion exchange chromatography on CM Cellulose. The purified enzyme showed an apparent molecular weight of 31,000 daltons as measured by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. ItspH optimum is 7.5, and it was totally inhibited by soybean trypsin inhibitor, phenylmethylsulfonylfluoride, aprotinin, pepstatin, and dithiotreitol, suggesting the presence of a disulfide bond(s) whose integrity is(are) essential for maintaining the native three-dimensional structure. The referred enzyme was able to release kinin from a substrate partially purified from rat plasma. The kininogenase was activated by Zn2+, Ca2+, and cysteine-HCl.
    Type of Medium: Electronic Resource
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