Activity and stability of yeast alcohol dehydrogenase (YADH) entrapped in aerosol OT reverse micelles
Open Access
- 19 February 1992
- journal article
- review article
- Published by Wiley in Biotechnology & Bioengineering
- Vol. 39 (4) , 474-478
- https://doi.org/10.1002/bit.260390416
Abstract
The activity and stability of yeast alcohol dehydrogenase (YADH) entrapped in aerosol OT reverse micellar droplets have been investigated spectrophotometrically. Various physical parameters, e.g., water pool size, w0, pH, and temperature, were optimized for YADH in water/AOT/isooctane reverse micelles. It was found that the enzyme exhibits maximum activity at w0 = 28 and pH 8.1. It was more active in reverse micelles than in aqueous buffers at a particular temperature and was denatured at about 307deg;C in both the systems. At a particular temperature YADH entrapped in reverse micelles was less stable than when it was dissolved in aqueous buffer.Keywords
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