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  • 1
    Electronic Resource
    Electronic Resource
    Staining of oral epithelium with the zinc iodide-osmium reaction (1981)
    Springer
    Journal of molecular histology 13 (1981), S. 45-55 
    Details
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Some of the parameters affecting the staining of keratinized oral epithelium with the zinc iodide-osmium reaction were examined using light and electron microscopy and electron probe microanalysis. Factors examined were block size, incubation temperature and the effect of aldehyde prefixation. Large blocks (4 mm cube) were subdivided after incubation and the staining of the centre and edge compared. Generally the reaction was more variable at the edge than in the centre. Small blocks (1 mm cube) showed a more intense reaction when incubated at 24°C than at 4°C. In all these preparations, final reaction product was seen over Golgi systems, lysosome-like bodies, membrane-coating granules and, in the more intensely stained regions, over endoplasmic reticulum and nuclear membranes as well. In prefixed material, mitochondria were frequently stained in addition to the other organelles. Energy dispersive analysis showed the reaction product to be similar in all preparations and to contain high levels of zinc and osmium but not iodine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01005838
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Dendritic cells change IL-27 production pattern during childhood (2015)
    BioMed Central
    Details
    Publication Date: 2015-06-16
    Description: Background: Interleukin-27 (IL-27) has been described to be highly expressed during the very first days after birth, but secretion of IL-27 by dendritic cells during the course of childhood has not been described.FindingsIn our present study we enrolled children (n = 55) in the range from 1 day of to 18 years of age and asked for a small whole blood sample. The capacity of dendritic cells to produce IL-27 during childhood was measured after whole blood culture with or without inflammatory stimuli. Results support recent findings of high IL-27 levels after birth and lowest levels in adults. Interestingly, we detected an interim peak production level at early adolescence. Conclusion: These data hint to prominent roles of IL-27 at the very start of post-natal life. Furthermore, a link has been given to so far not described immunological events during puberty.
    Electronic ISSN: 1756-0500
    Topics: Biology , Medicine
    Published by BioMed Central
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    PAPER CURRENT
  • 3
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    Macrofauna data along a transect of four stations from the German Bight towards the Dogger Bank from 1990 to 2017 (2019)
    PANGAEA
    In:  Supplement to: Meyer, Julia; Kröncke, Ingrid; Riascos, José M (2019): Shifts in trait-based and taxonomic macrofauna community structure along a 27-year time-series in the south-eastern North Sea. PLoS ONE, 14(12), e0226410, https://doi.org/10.1371/journal.pone.0226410
    Details
    Publication Date: 2023-01-30
    Description: Current research revealed distinct changes in ecosystem functions, and thus in ecosystem stability and resilience, caused by changes in community structure and diversity loss. Even if benthic species play an important role in benthic-pelagic coupling e.g. through the remineralization of deposited organic material, the long-term variability of traits and functions is largely unknown. By using abundance and bioturbation potential of macrofauna samples, taken along a transect from the German Bight towards the Dogger Bank annually in May in 1990 and from 1995 to 2017, we analysed the taxonomic and trait-based macrofauna long-term community variability and diversity. Taxonomic and trait-based diversity remained stable over time, while three different regimes were found, characterised by changes in taxonomic and trait-based community structure. Min/max autocorrelation factor analysis revealed climatic variables, nitrite, and epibenthic abundance as most important environmental drivers for taxonomic and trait-based changes.
    Keywords: bioturbation; Macrofauna; south-eastern North Sea
    Type: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 4
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    Macrofauna abundance and biomass of four stations from the German Bight towards the Dogger Bank from 1990 to 2017 (2019)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: After Queirós et al. (2013); Area; bioturbation; Bioturbation potential, community; DATE/TIME; Event label; Latitude of event; Longitude of event; Macrofauna; Macrofauna, abundance; Macrofauna, biomass, wet mass; North Sea; NorthSea_DB9; NorthSea_GB2; NorthSea_GB5; NorthSea_OG7; south-eastern North Sea; STAT; Station; Station label; Taxa per area
    Type: Dataset
    Format: text/tab-separated-values, 546 data points
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    DATA PANGAEA
  • 5
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    Bioturbation potential of characteristic trait-groups of four stations from the German Bight towards the Dogger Bank from 1990 to 2017 (2019)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: Area; bioturbation; Bioturbation potential, community; DATE/TIME; Event label; Latitude of event; Longitude of event; Macrofauna; North Sea; NorthSea_DB9; NorthSea_GB2; NorthSea_GB5; NorthSea_OG7; south-eastern North Sea; STAT; Station; Station label; Trait
    Type: Dataset
    Format: text/tab-separated-values, 2476 data points
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    DATA PANGAEA
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