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  • Polymer and Materials Science  (2)
  • Distribution  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Isolation of an extremely thermophilic chemoorganotrophic anaerobe similar to Dictyoglomus thermophilum from new zealand hot springs (1987)
    Springer
    Archives of microbiology 147 (1987), S. 21-24 
    Details
    ISSN: 1432-072X
    Keywords: Dictyoglomus ; Fervidothrix ; Description ; Rotund bodies ; Extremely thermophilic ; Obligate anaerobe ; Fermentation products ; Physiology ; Distribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A strain similar to Dictyoglomus thermophilum, isolated from a New Zealand hot spring, is described. This strictly anaerobic, Gram-negative, non-motile and nonsporulating bacterium usually exists as long thin filaments of 5 to 25 μm by 0.35 to 0.45 μm. Rotund bodies are commonly observed. Thin sections of the cells revealed a two-layered cell wall. The optimum temperature and pH for growth was 70°C and 7.0 and 7.5 respectively. No growth was observed at 40°C and 85°C or at pH 4.5 to pH 9.0. The organism fermented glucose, maltose, mannose, xylose, lactose, cellobiose, galactose and sucrose and produced acetate as the major end-product with significant amounts of lactate, H2 and CO2 and only traces of ethanol. The doubling time on glucose was 10 h. The DNA base composition was 29.5% guanine plus cytosine as determined by the thermal denaturation method. Growth was inhibited by penicillin, tetracycline and chloramphenicol indicating that the organism was a eubacterium. These features are in common with the newly described species Dictyoglomus thermophilum to which the New Zealand isolate belongs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00492899
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Polymerization of avidin and streptavidin with aromatic bisbiotin ligands (1994)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 32 (1994), S. 1331-1340 
    Details
    ISSN: 0887-624X
    Keywords: affinity polymerization ; aromatic bisbiotin ligands ; avidin ; biopolymers ; molecular recognition ; streptavidin ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The synthesis of a range of aromatic bisbiotin ligands is described and their ability to polymerize the proteins avidin and streptavidin is investigated. The formation of protein polymers is confirmed by gel chromatography and transmission electron microscopy. It is shown that the degree of polymerization depends not only on the length of the ligand but also on the stereochemistry of the group linking the distal biotin moieties. © 1994 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1994.080320714
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Heat transfer from a buoyant smoke layer beneath a ceiling to a sprinkler spray. 2 - an experiment (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 3 (1979), S. 34-38 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: An experiment is described which measures the heat transferred from a hot, flowing, buoyant gas layer in a mall, to a sprinkler spray. Interpolation techniques are described which allow for the large heat losses occurring within the apparatus (a large-scale model mall). The results are compared with predictions based on the method developed in Part 1 and found to be consistently 150% of the predicted heat transfer rates. Given the assumptions required by the predictive calculations this is thought to be reasonable degree of agreement. The largest heat transfer rate to the one sprinkler spray in this experiment was 157 kW ± 38 kW.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fam.810030107
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    Paper (German National Licenses)
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