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  • 1995-1999  (2)
  • Butylated hydroxytoluene  (1)
  • Dynamics of nonlinear optical systems  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Phonon-polariton interaction in a microcavity (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 1657-1662 
    Details
    ISSN: 0392-6737
    Keywords: Excitons and related phenomena (including electron-hole drops) ; Polaritons (including photon-phonon and photon-magnon interactions) ; Dynamics of nonlinear optical systems ; optical instabilities, optical chaos, and optical spatio-temporal dynamics ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The linewidth of the microcavity exciton polariton is studied by onresonant and off-resonant photoluminescences. The two main contributions to the linewidth are caused by radiative loss and phonon scattering. The oscillator strength is found to be unmodified by the exciton-phonon coupling. Comparison is made between theory and experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02457259
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibitory effects of selenium, vitamin A and butylated hydroxytoluene on in vitro growth of human tongue cancer cells (1995)
    Springer
    European archives of oto-rhino-laryngology and head & neck 252 (1995), S. 509-512 
    Details
    ISSN: 1434-4726
    Keywords: Selenium ; Vitamin A ; Butylated hydroxytoluene ; Chemoprevention ; Human tongue cancer cells in vitro
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of vitamin A, selenium and butylated hydroxytoluene (BHT) on the growth of a human tongue cancer cell line were examined in monolayer cell cultures. A colony-forming assay showed a 50% reduction in the survival rate of the cell line at a concentration of 2.6 μg/ml selenium, 60 I μg/ml vitamin A and/or 38 μg/ml BHT. Relatively low concentrations of selenium markedly inhibited glucose consumption. Flow cytometric analysis with both fluorescein-isothiocyanate-labelled bromodeoxyuridine monoclonal antibody and propidium iodide demonstrated an increase in S-phase fractions 1 day after the addition of selenium, increased GO/G1 phase fractions in the presence of vitamin A and increased G2M phase fractions when BHT was added. These results suggest that these compounds inhibit DNA synthesis of in vitro human tongue cancer cells by different mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02114762
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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