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  • 1985-1989  (6)
  • 1987  (6)
Source
Material
Years
  • 1985-1989  (6)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    A monoclonal antibody recognizing plasminogen and plasmin—altered reactivity in psoriatic lesions (1987)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 117 (1987), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To study the organization of the plasminogen activator/plasminogen-plasmin (PA/PG-P) system in human epidermis we raised monoclonal antibodies with specificity for human plasminogen and plasmin (PG-P), Monoclonal antibody P2, which appeared most suitable for immunohistology, is a mouse monoclonal antibody of IgG1 subtype, specific for the precursor enzyme plasminogen and for the high molecular weight chain of the active enzyme, plasmin. Immunofluorescence analysis of normal human epidermis revealed that reactivity with P2 was confined to the basal cell layer. In psoriatic lesions, however, this regional organization was not found. Immunoreactivity in this case was scattered throughout all the hyperproliferating cell layers, which is taken as evidence for an altered distribution of PG-P in psoriatic lesions. In psoriasis other components of the PA/PG-P system have previously been found to be altered. In this context our findings add to the hypothesis that this system may be involved in the pathology or the pathogenesis of psoriatic lesions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1987.tb07347.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On the recognition of order and disorder (1987)
    Springer
    Biological cybernetics 57 (1987), S. 187-195 
    Details
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract We compare several algorithms for the recognition of ordered and disordered images. As image sources we use waves of the Belousov-Zhabotinskii reaction coupled to convective motion in a petri dish. This device allows reversibly the generation of periodic (ordered) and aperiodic (disordered) patterns. The best match between the parametric description and the observations is obtained by an “autodifference function”. This function is computed by summing up intensity differences over all pairs of picture elements having a given distance on the picture plane. Then, the minimum of this function is determined upon variation of the distance. This algorithm is not only efficient for the recognition of order and disorder in “machine vision”, but also plausible in biological visual perception.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00364150
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Microtubules and intermediate filaments of herpes simplex virus infected cells (1987)
    Springer
    Archives of virology 94 (1987), S. 15-28 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The fate of microtubules and of vimentin or keratin containing intermediate filaments during infection with fusion or rounding producing strains of herpes simplex virus (HSV) was investigated. Microtubules polymerize early after fusion of cells. However, they do not reconstitute 6–7 hours post infection (p.i.) after release of a colcemid block. Keratin and vimentin are maintained around the original nucleus still inside of recruited cells in the polykaryocyte. Cells of fibroblastic and epithelial origin fuse. Inside of polykaryocytes keratin or vimentin containing fibers seem to polymerize. Keratin is to be found in invaginations in the nuclei surrounded by the inner layer of the nuclear membrane. Anti-keratin antibodies specifically label HSV envelopes located in the cytoplasm. or outside of the cell. Controls of the procedure allowed to exclude labelling of HSV envelopes via gpE, which represents HSV induced Fc receptors. Late stages of infected cells contain thickened and condensed keratin fibers. Conversely, vimentin fibers late after infection appear to be evenly distributed and to be thin. Microtubules decay late after infection with rounding producing strains of HSV, whereas keratin and vimentin fibers are still present late after infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01313722
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Isoscalar quadrupole giant resonance in208Pb: A statistical analysis of high-resolution inelastic electron scattering spectra (1987)
    Springer
    The European physical journal 326 (1987), S. 41-50 
    Details
    ISSN: 1434-601X
    Keywords: 24.60.−k ; 25.30.Fj ; 27.80.+w
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The fine structure observed in high resolution inelastic electron scattering spectra for208Pb in the excitation energy range of the isoscalar giant quadrupole resonance has been analysed with a fluctuation analysis technique. The obtained density of levels as a function of excitation energyE x has then been used as a constraint for the shape and magnitude of the (radiative) background subtracted spectra subjected to a multipole decomposition. The derivedE2 strength in the region 8.0≦E x≦11.5 MeV exhausts (50 −7 +15 % of the energy weighted sum rule. TheE2 strength found is considerably larger than previously estimated from the same spectra and it is now both in shape and magnitude in good agreement with results from a recent208Pb(e, e′n) coincidence experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294569
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    EPR-Untersuchungen γ-bestrahlter chlorsubstituierter Poly(methacrylate) (1987)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 114-119 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: γ-radiolysis of poly(methyl methacrylate) (PMMA) and chlorosubstituted poly(methacrylates) gives radicals with comparable nine-line-EPR spectra. The transformations of the molecules were discussed in light of the quantitative differences in the accumulation processes. EPR-spectra at liquid helium temperatures confirm the hypothesis of allyl radical accumulation in PMMA.
    Notes: Die im Poly(methylmethacrylat) (PMMA) und in chlorsubstituierten Poly(methacrylaten) radiolytisch erzeugten Radikale ergeben ähnliche EPR-Neunlinienspektren. Molekülumwandlungen zur Deutung der quantitativ unterschiedlichen Akkumulationsprozesse werden diskutiert. EPR-Spektren bei Heliumtemperaturen bestätigen die Hypothese der Akkumulation von Allylradikalen im PMMA.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1987.010380204
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Characterization of ion beam damage effects in poly(1,2,2,2-tetrachloroethyl methacrylate) by ESCA (1987)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 638-639 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1987.010381111
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    Paper (German National Licenses)
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