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- Ohlson, Sten, et al.
(författare)
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Steroid Hydroxylation Using Immobilized Spores of Curvularia lunata Germinated in situ
- 1980
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Ingår i: European Journal of Applied Microbiology and Biotechnology. - 0171-1741. ; 10, s. 1-9
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Tidskriftsartikel (refereegranskat)abstract
- Spores of Curvularia lunata were immobilized in polyacrylamide granules and in calcium alginate beads (2–3 mm in diam.). Germination of the spores, initiated by the addition of nutrients, resulted in an even distribution of mycelium throughout the beads after 48 h. Such beads were used for the conversion of cortexolone to cortisol by steroid-11-hydroxylation. In order to improve the steroid transforming ability several parameters were studied. It was found that preparations based on calcium alginate gave the best results. The possible merits of immobilizing spores rather than vegetative cells, followed by in situ germination are discussed also for other microorganisms and immobilization processes.
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