Kateřina Demnerová

Academy of Sciences of the Czech Republic, Praha, Praha, Czech Republic

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Publications (1)1.53 Total impact

  • Tomáš Brányik · Gabriela Kuncová · Jan Páca · Kateřina Demnerová
    [Show abstract] [Hide abstract]
    ABSTRACT: This work deals with changes in microbial phenol degradation and cell proliferation caused by immobilization into silica gel. Mixed microbial culture and the yeast Candida tropicalis were immobilized in silica layers and pieces prepared by mixing of prepolymerized tetraethoxysilane with cell suspension. The phenol degradation rate of cells entrapped in silica gel was compared with those immobilized into an organic polymer-polyurethane. The phenol degradation efficiency decreased in the following order: free cell suspension > cells entrapped into polyurethane foam > cells entrapped into prepolymerized TEOS. Inside the silica there was no growth observed by optical microscope. The immobilization of bacterium Pseudomonas species 2 into silica gel, cells which co-metabolize PCBs with biphenyl, did not result in substantial change of intermediate concentration.
    12/1997; 13(1):283-287. DOI:10.1023/A:1008655623452

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