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Erschienen in:
1983 | OriginalPaper | Buchkapitel
New Developments in the Field of Cell Immobilization — Formation of Biocatalysts by Ionotropic Gelation
verfasst von : Klaus-Dieter Vorlop, Joachim Klein
Erschienen in: Enzyme Technology
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Different ionotropic gelation processes, applicable to obtain biocatalytic systems by entrapment of whole cells are described. The formation of spherical alginate, chitosan and chitosan-alginate biocatalysts and its physical properties like swelling behaviour in ionic media and the porosity of the networks are discussed. The applicability of the various immobilization procedures for resting, viable and multiplying cells is demonstrated. Finally it is shown that the method of ionotropic gelation can also be used as an intermediate step toward the preparation of other covalent stabilized biocatalysts.