Summary
Microbial cells were immobilized in polyurethane foam as well as polyurethane gel using liquid hydrophilic polyisocyanates which react with only the addition of water. Cell concentration is about 10% (w/v) and relative activity is about 50% depending on the type of biocatalytic reaction.
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References
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Klein, J., Kluge, M. Immobilization of microbial cells in polyurethane matrices. Biotechnol Lett 3, 65–70 (1981). https://doi.org/10.1007/BF00145112
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DOI: https://doi.org/10.1007/BF00145112