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  • 1
    Electronic Resource
    Electronic Resource
    Increased Langerhans cells and related cells in mesenteric lymph nodes of DNCB-sensitive mice (1985)
    Springer
    Archives of dermatological research 278 (1985), S. 68-73 
    Details
    ISSN: 1432-069X
    Keywords: Contact sensitivity ; Interdigitating reticulum cell ; Langerhans cell ; Mesenteric lymph node
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We used electron microsopy to study mesenteric lymph nodes (LNs) of 2,4-dinitro-1-chlorobenzene (DNCB)-sensitive mice. It was found that Langerhans cells (LCs) and cells containing Birbeckgranule-like structures (BgSs) increased in number only after challenge with DNCB. This increase reached a peak 4 h after challenge. LCs and BgS cells were only found in the paracortical area of LNs. There were no appreciable differences in the morphology of LCs, BgS cells, and interdigitating reticulum cells (IDCs), except for the presence or absence of Bgs or BgSs. No LCs, BgS cells, or IDCs were found in the marginal sinus of mesenteric LNs or in the surroundings of afferent blood vessels. These findings were in complete agreement with those obtained in our previous study of cutaneous LNs. From our findings and the results of previously published studies, we propose the following conclusions: first, LCs and BgS cells observed in mesenteric LNs are the product of the differentiation and maturation of precursor cells pre-existing in the paracortical area of LNs caused by DNCB stimulation. Second, the activated T lymphocyte to DNCB pre-exists in the paracortical area; thus, the DNCB used for challenge stimulates this T lymphocyte to release lymphokine, which then causes some precursor cells to differentiation into LCs and/or BgS cells. Finally, morphological findings suggest that precursor cells of LCs and BgS cells are probably IDCs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00412499
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  • 2
    Electronic Resource
    Electronic Resource
    Development and application of the Fraunhofer-diffraction method for measurements of plasma density fluctuations using infrared lasers (1985)
    Springer
    International journal of infrared and millimeter waves 6 (1985), S. 1051-1059 
    Details
    ISSN: 1572-9559
    Keywords: plasma density fluctuation ; infrared lasers ; Fraunhofer-Diffraction method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper is concerned with systematic developments of the Fraunhofer-diffraction method for studies of plasma density fluctuations in high-temperature plasmas using infrared lasers, namely (i) development of the general theory of the Fraunhofer-diffraction method, (ii) measurements of fluctuations propagating in an azimuthal direction, (iii) measurements of fluctuation intensities, and (iv) application in measurements on high-temperature plasmas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01010681
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Comparison of the toxicity of heavy metals to cabbage growth (1979)
    Springer
    Plant and soil 51 (1979), S. 127-133 
    Details
    ISSN: 1573-5036
    Keywords: Cabbage ; Heavy metals ; Toxicity ; Translocation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Cabbage plants were grown for 55 days with a nutrient solution containing 1 and 10 ppm of V, Cr(III), Cr(VI), Mn, Fe, Co, Ni, Cu, Zn, Cd, Hg(I), orHg(II). A comparison of the plant growth and chemical analysis revealed that Cr(VI), Cu, Cd, and Hg(II) in the solution are most toxic to the plant growth (hence detrimental to the cabbage-head formation) and Mn, Fe, and Zn are less toxic than other heavy metals, and that Mn, Zn, Co, Ni, and Cd and translocated into all the plant organs while V, Cr(III), Cr(VI), Fe, Cu, Hg(I), and Hg(II) are accumulated in the roots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02205932
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    Paper (German National Licenses)
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