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  • 1
    Electronic Resource
    Electronic Resource
    Collagenase-like peptidase activity in serum from patients with rheumatoid arthritis (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 487-488 
    Details
    ISSN: 1420-9071
    Keywords: Rheumatoid arthritis ; peptidase ; collagen-like
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The activities of collagenase-like peptidase, estimated by using (succinyl-Gly-Pro-Leu-Gly-Pro-Leu-Gly-Pro)-4-methyl-coumaryl-7-amide as substrate, and of dipeptidyl-aminopeptidase IV were decreased in the sera from patients with rheumatoid arthritis. Both enzymes bring about the degradation of peptides derived from collagen. A significant positive correlation was observed between the activities of the two serum peptidases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01966162
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic resonance force detection and spectroscopy of electron spins in phosphorus-doped silicon (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 1823-1826 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Electron spin resonance (ESR) of phosphorus-doped silicon was detected using a low temperature magnetic resonance force microscope (MRFM). Force-detected ESR spectra were obtained using an amplitude or frequency modulated microwave field to cyclically saturate the spin magnetization. For a sample containing 4×1018 phosphorus atoms/cm3, a single strong ESR line was observed. For a sample containing 8×1016 phosphorus atoms/cm3, a pair of lines split by the 42 G 31P hyperfine interaction was observed. This result demonstrates the possibility of using MRFM techniques for spectroscopic purposes. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1147967
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Paramagnetic and ferromagnetic resonance imaging with a tip-on-cantilever magnetic resonance force microscope (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 2757-2759 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A magnetic resonance force microscope with a "tip-on-cantilever" configuration was used to compare imaging characteristics of paramagnetic and ferromagnetic samples. Three-dimensional electron paramagnetic resonance (EPR) imaging of diphenylpicrylhydrazil (DPPH) particles was accomplished by scanning the sample in two dimensions while stepping an external field. The EPR force map showed broad response reflecting the size and shape of the sample, allowing a three-dimensional real-space magnetization image to be successfully reconstructed. In contrast to the EPR case, ferromagnetic resonance imaging of a micron-scale yttrium iron garnet sample showed no significant line broadening despite the strong field gradient (∼10 G/μm). Two-dimensional force maps revealed spatial dependence of magnetostatic and magnetoelastic modes. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.121081
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    NMR in aluminum small particles in high magnetic field (1989)
    Springer
    The European physical journal 12 (1989), S. 399-400 
    Details
    ISSN: 1434-6079
    Keywords: 75.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Knight shift of27Al in small Al particles was measured in wide ranges of temperature and magnetic field, in order to study the magnetic field dependence of the universarity class of random hamiltonian governing the conduction electrons. The samples with diameters 80 A and 27 A were investigated. We observed the change in the symmetry of the hamiltonian in high magnetic field as the recovery of the spin paramagnetic susceptibility in 80 A particles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426981
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    Paper (German National Licenses)
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