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  • 1
    Electronic Resource
    Electronic Resource
    Induction of Melanotic Lesions of the Iris in Rats by Urethane given during the Neonatal Period (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1201-1202 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Urethane was already known to be capable of inducing neoplastic lesions in a wide variety of tissues79. The purpose of the experiment, details of which are given in Table 1, was simply to examine the effects of neonatally administered urethane in two strains of rat, the August Hooded and Wistar. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1991201a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Strong pulsed magnetic fields combined with very low temperatures
    Amsterdam : Elsevier
    Physica B: Physics of Condensed Matter 177 (1992), S. 63-70 
    Details
    ISSN: 0921-4526
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0921-4526(92)90068-4
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Nitrous oxide sedation in dentistry (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 39 (1984), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Nitrous oxide concentrations (V/V) at the delivery Rotameters block, nasal mask, pharynx and venous blood, were compared. There was a dilution of approximately 50% of the delivered nitrous oxide at the nasal mask which was further reduced in the pharynx. Venous blood concentrations 10 minutes after inhalation of nitrous oxide were low but as would be calculated from pharyngeal concentrations. After 5 minutes of oxygenation venous blood nitrous oxide concentrations were still relatively high. A total of 92% of subjects experienced a satisfactory effect with 30% nitrous oxide or less in the pharynx.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1984.tb07233.x
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  • 4
    Electronic Resource
    Electronic Resource
    The structure and formation of host-parasite pit connections between the red algal alloparasiteHarveyella mirabilis and its red algal hostOdonthalia floccosa (1984)
    Springer
    Protoplasma 119 (1984), S. 62-73 
    Details
    ISSN: 1615-6102
    Keywords: Harveyella ; Host-parasite ; Odonthalia ; Pit connection ; Red algae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Harveyella mirabilis is a colourless red algal alloparasite which grows on and within its photosynthetic hostOdonthalia floccosa. Cells ofHarveyella establish secondary pit connections (PCs) with other parasite cells and with cells of the host. Small, uninucleate conjunctor cells are produced by parasite cells and remain connected to them by PCs. Conjunctor cells may fuse with either an adjacent host or parasite cell, with the parasite-conjunctor cell PC becoming either a host-parasite or parasite-parasite secondary PC. Occasionally the conjunctor cell does not fuse with an adjacent cell (either host or parasite) and degenerates. The secondary pit plug which forms between a parasite cell and its conjunctor cell always develops with two structurally distinct surfaces characteristic of a host-parasite pit plug. Only if the conjunctor cell fuses with another parasite cell will the structure of the pit plug be altered to that of a parasite-parasite pit plug. Fungal hyphae also invade the region of infection, andHarveyella cells respond by producing nonfunctional conjunctor cells that grow towards adjacent hyphae. Evidence suggests that secondary PCs may be induced to form mechanically, by the physical presence of another cell, rather than in direct response to a message received from an adjacent cell. The mechanism of secondary PC formation described here is similar to that reported for the closely related alloparasiteHolmsella and may be common to a number of red algal parasitic associations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287818
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  • 5
    Electronic Resource
    Electronic Resource
    Response ofZea mays roots to infection withPhytophthora cinnamomi (1985)
    Springer
    Protoplasma 126 (1985), S. 178-187 
    Details
    ISSN: 1615-6102
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Zea mays is a non-host ofPhytophthora cinnamomi; plants survive contact with this fungus both in the field and in pot trials. TheZ. mays-P. cinnamomi interaction has been studied by light and electron microscopy. In the epidermal layer, fungal hyphae grow intercellularly through the middle lamella. This is always the case for the first hyphal contact with any cell. Hyphae making second or subsequent contacts with a cell grow preferentially between the cell wall and plasma membrane of the infected cell rather than through the middle lamella. Papillae (callose deposits) are formed in response to some, but not all, regions of contact between the plant cell and the hypha. They do not completely encase the hypha and do not stop hyphal growth. The plasma membrane-cell wall interface of the host cell must be intact for effective papilla formation, as papillae are rarely formed when the hyphae grow between the plasma membrane and the cell wall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01281793
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