Detail of "26549-24-6"

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Asymmetric reduction utilizing core/shell microbioreactors encapsulated baker yeast in organic media

Some chemicals with cas registry numbers like 52019-78-0 and 26549-24-6 are also used. Asymmetric reduction utilizing core/shell microbioreactors encapsulated baker yeast in organic media. Yoshida, Masahiro; Eitoku, Keiichi; Uemura, Yoshimitsu; Hatate, Yasuo (Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Kagoshima University, Kagoshima 890-0065, Japan). ITE Letters on Batteries, New Technologies & Medicine, 5(3), 282-289 (English) 2004 ITE-Hohwa Inc. CODEN: ILBMF9. ISSN: 1531-2046. DOCUMENT TYPE: Journal CA Section: 16 (Fermentation and Bioindustrial Chemistry) Section cross-reference(s): 21 A novel method for the prepn. of core/shell microcapsules suitable for a cell immobilization matrix was developed by utilizing the solvent evapn. technique of water-in-oil-in-water (w/o/w) emulsions. The method is based on the phase sepn. of polymer chains within w/o/w emulsion droplets. The microcapsules have a diam. of about 200 mm and a porous shell with a thickness of about 20 mm. It was confirmed that Baker's yeast cells were immobilized in the microcapsule core. The Baker's yeast cells immobilized in the microcapsules catalyzed the asym. redn. of acetophenone to (S)-1-phenylethanol in org. media when a cofactor regeneration scheme is implemented. The product is a chiral alc., and had a high enantiomer excess. The effects of parameters such as the addn. of a cosubstrate and the cell immobilization toward a different immobilized carrier have been investigated. .