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Immobilization of invertase on modified nylon tubes

✍ Scribed by Francis N. Onyezili; Akintunde C. Onitiri


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
290 KB
Volume
113
Category
Article
ISSN
0003-2697

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✦ Synopsis


Invertase was immobilized on U-alkylated nylon tubes modified with amine arms and activated with glutaraldehyde. The performance of the immobilized invertase derivative was dependent on the nylon tube modification that preceded the enzyme coupling procedure. Optimal experimental conditions for the tube modification and the enzyme coupling step are described and discussed.


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## Abstract Invertase from __Candida utilis__ was immobilized on porous cellulose beads by an ionic‐quanidino bond. The immobilized invertase showed optimum activity between pH 4.0 and 5.4, while the free enzyme had a sharp optimum at pH 4.1. Both temperature profiles were fairly similar up to 55Β°C