Abstract
AbstractThe influence of the hydrratin ability of monomer on the immobilization of microbial cells by radiation polymerization was studied using various acrylate and diacrylate monomers. The heats of mixing of the monomers in water were determined, and the hydratin abilities of monomer and polymer were evaluated by heat of mising and water content. The shape of the immobilized cell composites varied with the hydratin ability of monomer. The enzymatic activity of the immobilized cell composites varied with the number of ethyleneglycol or methylene units in the monomers. In the immobilization using acrylate monomers, the increase of the hydration ability of the monomer introduced a spongelike composite to the formation of the immobilized cells, and, in diacrylate monomers, the increase of the hydration ability of the monomer introduced a flakelike composite to the formation of the immobilized cells, by which enzymatic activity increased.
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