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  • 2005-2009  (2)
  • 1985-1989  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Extracellular proteinase production and the pathogenicity of Nocardiae (1989)
    Springer
    Archives of dermatological research 281 (1989), S. 78-80 
    Details
    ISSN: 1432-069X
    Keywords: Extracellular proteinase ; Nocardiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00424279
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Correlation between culture medium pH, extracellular proteinase activity, and cell growth of Candida albicans in insoluble stratum corneum-supplemented media (1989)
    Springer
    Archives of dermatological research 281 (1989), S. 342-345 
    Details
    ISSN: 1432-069X
    Keywords: Candida albicans ; Extracellular proteinase ; Medium pH
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Candida albicans produces a major extracellular proteinase whose activities are observed only in weakly acidic pH. However, in affected lesions, a variety of pH conditions exist, including neutral pH. To verify the pathological importance of the extracellular proteinase, the correlation between culture medium pH, extracellular proteinase activity, and cell growth of C. albicans was followed for 3 weeks with unbuffered and insoluble stratum corneum-supplemented liquid media. Each medium pH, initially adjusted within a range of pH 3–7 by the addition of sodium hydroxide or hydrochloric acid solution, was acidified, and a subsequent high proteolytic activity and rapid fungal growth were observed. After full fungal growth, neutralization of each medium to pH 7 and reduction of proteinase activity occurred. Results from a glucose addition experiment suggest that acidification of each medium was produced by the acid formation from glucose and neutralization by the exhaustion of glucose and increase of ammonia from denatured stratum corneum. These data suggest that extracellular proteinase from C. albicans could act as a virulence factor under a wide range of pH conditions by the acidification of the environmental pH close to the organism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00412979
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Characterization of V-Defects in InGaN Single-Quantum-Well Films at Nanometer Level by High Spatial Resolution Cathodoluminescence Spectroscopy (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 600-603 (Sept. 2008), p. 1305-1308 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: We have measured cathodoluminescence (CL) spectra in the vicinity of V-defects in InGaNsingle-quantum-well(SQW) films at nanometer level, using newly developed CL apparatus(SE-SEM-CL). From spectroscopic CL measurement, it has been found that the spectra changedramatically in the vicinity of V-defects in the region of £50nm. The SE-SEM-CL has a potential todetect the CL spectral variation at spatial resolution with £50nm
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/20/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.600-603.1305.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Industrial Application in 2014 T6 Aluminum Alloys Having High Corrosion and Weather Resistant by Anionic Resin Coating with Mirror Luster (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 561-565 (Oct. 2007), p. 127-130 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A new surface treatment technology for the aluminum alloys that exhibits not only high corrosion and weatherresistance but also good mirror luster has been developed. By performing electrolytic permeation, theimproved corrosion resistance and weather resistance while maintaining a high mirror luster was achieved foran aluminum alloy A2014-T6. The high strength aluminum alloys featuring high corrosion and weatherresistance have been available for industrial products. Then the claim number of the products by A2014 T6aluminum alloy has been reduced sharply to almost zero level in comparison with a past. A few applicationsand the development of the processing in industrial scale in A2014 T6 aluminum alloy will be presented
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/17/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.561-565.127.pdf
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of oxygen on the corrosion of dental amalgam (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 12 (1985), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The anodic and cathodic polarization of five dental amalgams were determined as a function of oxygen concentration in Ringer's solution and artificial saliva. The results indicate an anodic polarization behaviour dependent on Cl ion concentration and a corrosion potential determined primarily by oxygen concentration. At high oxygen concentrations the corrosion rates of traditional and copper enriched amalgams were equivalent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1985.tb00629.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Polyribosome metabolism, growth and water status in the growing tissues of osmotically stressed plant seedlings (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 64 (1985), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Relationships between growth of osmotically stressed intact seedlings and polyribosome levels and water status of growing tissues were examined. Sudden exposure of barley (Hordeum vulgare L. cv. Arivat) roots to a solution of −0.8 MPa polyethylene glycol caused leaf growth to stop almost immedately, but growth resumed at a much lower rate after 0.5–1 h. In the growing region of leaves, the polyribosome: total ribosome ratio of free (non-membrane-bound) ribosomes was significantly reduced after 15 min stress, but a decrease in the large polyribosome:total polyribosome ratio occurred only after 1–2 h. Membrane-bound and free polyribosome levels both decreased to 70% of unstressed control values after 4 h stress. Recovery of total polyribosomes occurred within 1 h after relief of 4 h stress, but required 3 h after relief of 24 h stress. Stress detectably reduced the water potential and osmotic potential of growing tissue within 0.5–1.0 h, and osmotic adjustment continued for up to 10 h. Recovery of water status was incomplete after 1 h relief of a 4 h stress. In contrast, expanded blade tissues of stressed plants underwent minor changes in water status and slow decreases in polyribosomes levels. These results confirm that growing tissues of barley leaves are selectively responsive to stress, and suggest that changes in growth, water status and polyribosome levels may be initiated by the same signal. Measurements of seedling growth, polyribosome levels and water status of growing tissues of barley and wheat (Triticum aestivum L. cv. Zaragoza) leaves, etiolated pea (Pisum sativum L. cv. Alaska) epicotyl and etiolated squash (Cucurbita pepo L. cv. Elite) hypocotyl stressed with polyethylene glycol solutions of −0.3 to −0.8 MPa for 12 h or more showed that polyribosome levels were highly correlated with seedling growth rate as well as with tissue water and osmotic potentials, while turgor remained unchanged. These results suggest that long-term growth of osmotically stressed plants may be limited by a reduced capacity for protein synthesis in growing tissues and is not dictated by turgor loss.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1985.tb01218.x
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    Paper (German National Licenses)
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