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  • 1
    Electronic Resource
    Electronic Resource
    Phosphate transport inClaviceps sp. strain SD-58 (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 96-97 
    Details
    ISSN: 1420-9071
    Keywords: Claviceps ; fungus, ergot ; ergot fungus ; phosphate uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Phosphate uptake inClaviceps sp. strain SD-58 was found to be linear for 20 min, proportional to cell density in mg/ml, energy dependent, and taking place against a concentration gradient with a Km value of 45.45×10−5 M. Osmotic shock treatment to the cell caused a reduction in phosphate uptake associated with the release of binding protein. Partial restoration of uptake was observed on incubation of osmotically shocked cells with shock fluid. The results are discussed with reference to the effect of phosphate on alkaloid synthesis inClaviceps sp. strain SD-58.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02005894
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The interfringe intensity in coronal interferograms (1994)
    Springer
    Experimental astronomy 5 (1994), S. 289-299 
    Details
    ISSN: 1572-9508
    Keywords: Astronomical Instrumentation ; Sun: corona
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The paper discusses the low contrast of the Fabry-Perot (FP) fringes observed in the interferograms of the solar corona. The various factors which affect the interfringe intensity of Fabry-Pérot line profiles are considered. The effect of continuum radiation on the interfringe intensity of Fabry-Pérot line profiles is calculated by assuming a coronal model. For the given FP, it was found that unless the ratio of line to continuum intensity (integrated line intensity to continuum per angström) is less than 10, continuum contribution has no significant effect on the fringe contrast. The analysis may be pertinent in the design aspects of a FP interferometer for astronomical observations. The excess interfringe intensity found in the coronal line profiles is interpreted as due to the presence of fast moving plasma components in corona along the line of sight. A detailed analysis qualitatively shows that the line excitation conditions existing in ambient corona and coronal loops are different in active regions while they are more similar in polar regions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01583702
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    Paper (German National Licenses)
    Fulltext
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