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  • 1990-1994  (3)
  • Serratia marcescens  (2)
  • 97.10.Cv  (1)
  • 1
    Digitale Medien
    Digitale Medien
    High resolution study of24Mg(p, d)23Mg for the Ne-E problem (1994)
    Springer
    The European physical journal 348 (1994), S. 59-60 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 27.30.+t ; 97.10.Cv ; 97.10.Tk ; 97.30.Qt ; 98.58.Ca
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Nuclear levels of23Mg near and above the proton threshold were investigated with high resolution. A new level has been identified at 7.643 MeV (66 keV above the proton threshold) with a possible Jπ=(3/2, 5/2)+. Some other spin-parity and excitation-energy assignments are also made. These results enable the reaction rate estimate of22Na(p,γ)23Mg with much smaller uncertainties, which is critical for the Ne-E problem in nuclear astrophysics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01291654
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  • 2
    Digitale Medien
    Digitale Medien
    Increased renal scarring by bacteria with mannose-sensitive pili (1990)
    Springer
    Urological research 18 (1990), S. 299-303 
    Details
    ISSN: 1434-0879
    Schlagwort(e): MS pili ; Serratia marcescens ; Renal scarring
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Renal scars are thought to be the end stage of chronic pyelonephritis and one of the most important causes of renal insufficiency and renal hypertension. The role of bacterial pili was examined in scar formation after an infection of newly constructed bacterial strains using the recombinant DNA technique, which possessed either mannose resistant (MR) or mannose sensitive (MS) pili of Serratia marcescens. Strains that differed in only a single virulence factor, namely, MR or MS pili, were used in a rat model of chronic pyelonephritis. In this model, MS-piliated bacteria stimulated renal scarring more severely than non-piliated or MR-piliated bacteria.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00300774
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  • 3
    Digitale Medien
    Digitale Medien
    Role of superoxide in renal scarring following infection by mannose-sensitive piliated bacteria (1991)
    Springer
    Urological research 19 (1991), S. 229-233 
    Details
    ISSN: 1434-0879
    Schlagwort(e): Pyelonephritis ; Renal scarring ; Pathogenesis ; Serratia marcescens ; Piliation ; Superoxide dismutase ; Leukocytes
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The role of superoxide in scar formation following renal infection caused by mannose-sensitive (MS) piliated strains of bacteria was studied in the experimental pyelonephritis model using female Sprague-Dawley rats. The MS piliated strain stimulated renal scarring to a significantly greater extent than either the non-piliated or MR-piliated strain. Modulation of leukocytes by administering cyclophosphamide to induce neutropenia and colchicine to inhibit leukocyte migration was effective in preventing renal scarring. Treatment with superoxide dismutase during the early stage of infection was also effective in preventing scar formation. Finally, the production of superoxide by rat leukocytes was significantly larger following stimulation by MS piliated than either the nonpiliated or MR piliated strains. These observations suggest that superoxide released from leukocytes plays a critical role in the development of renal scarring following a bacterial infection, especially by MS piliated strains.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00305300
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