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  • 1
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Kinetic studies of β-glucosidase activity of immobilized Alcaligenes faecalis indicated the presence of internal diffusional limitations by an increase in Vmax and η, and a decrease in Km′ as particle size decreased. A small effect of external diffusional limitation in a batch reactor was noted as Vmax decreased and Km′ increased with stirrer speed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 97 (1997), S. 85-90 
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Among Aboriginal peoples in Canada, mercury pollution has had an impact on social and cultural well being, both at the community level and among individual members within the community, even when there are no provable direct health effects. This paper explores the link between mercury pollution and social and cultural disruption in Canadian Aboriginal communities. It demonstrates how factors such as Aboriginal holistic concepts of environment and health, perceptions, and difficulties in communication can contribute to indirect impacts of mercury pollution on health and well being. It is argued that, given the blood mercury levels among Canadian Aboriginal peoples, social and cultural impacts of mercury pollution present a much greater problem than do the direct clinical effects of exposure.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 97 (1997), S. 85-90 
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Among Aboriginal peoples in Canada, mercury pollution has had an impact on social and cultural well being, both at the community level and among individual members within the community, even when there are no provable direct health effects. This paper explores the link between mercury pollution and social and cultural disruption in Canadian Aboriginal communities. It demonstrates how factors such as Aboriginal holistic concepts of environment and health, perceptions, and difficulties in communication can contribute to indirect impacts of mercury pollution on health and well being. It is argued that, given the blood mercury levels among Canadian Aboriginal peoples, social and cultural impacts of mercury pollution present a much greater problem than do the direct clinical effects of exposure.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 26 (1984), S. 583-589 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Enzymatic properties of Alcaligenes faecalis cells immobilized in polyacrylamide were characterized and compared with those reported for the extracted enzyme, and with those measured for free cells. Many of the properties reflected those of the extracted enzyme rather than those measured in the free whole cells prior to immobilization, suggesting cell disruption during immobilization. These properties included the pH activity profile, a slightly broader pH stability profile, and the activation energy. Electron micrographs showed evidence of cell debris among the polymer matrix. The immobilized cells were not viable, and did not consume glucose. Thermal stability was less after immobilization with a half-life of 16 h at 45°C, and 3.5 h at 50°C. The immobilized preparation was more stable when stored lyophilized rather than in buffer, losing 23 and 52% activity, respectively, after six months. The enzyme was irreversibly inhibited by both acetate and citrate buffers. If the immobilized enzyme is to be used in conjunction with cellulases from Trichoderma reesei for cellulase saccharification, the optimal conditions would be pH 5.5 and 45°C in a buffer containing no carboxylic acid groups.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 25 (1983), S. 623-626 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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