Wong, Fui-Ling and Abdul-Aziz, Azila (2008) Comparative study of poly(vinyl alcohol)-based support materials for the immobilization of glucose oxidase. Journal Of Chemical Technology And Biotechnology , 83 . pp. 41-46. ISSN 0268-2575
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Official URL: http://dx.doi.org/10.1002/jctb.1774
BACKGROUND: The performances of four types of glucose oxidase (GOD) immobilization materials based on poly(vinyl alcohol) (PVA) were compared. The matrices of interest were chernically-linked PVA, freeze-thawed PVA cryogel, tetramethoxysilane (TMOS) sol-gel-PVA hybrid material, and alumina sol-gel-PVA hybrid material. RESULTS: Overall, the membranes showed good sensitivity except for the chemically cross-linked PVA. However, the main differences with the enzyme immobilization methods were enzyme leakage and values of K-m(app). CONCLUSION: Freeze-thawed PVA-GOD membranes and TMOS-PVA, which showed satisfactory sensitivity and adequate value of K-m(app), were quite promising as support materials for immobilizing GOD. (c) 2007 Society of Chemical Industry.
|Uncontrolled Keywords:||immobilization, glucose oxidase, poly(vinyl alcohol), sol-gel, hybrid|
|Subjects:||Q Science > Q Science (General)|
Q Science > QD Chemistry
|Divisions:||Chemical and Natural Resources Engineering (Formerly known)|
|Deposited By:||Liza Porijo|
|Deposited On:||07 Jun 2011 10:14|
|Last Modified:||07 Jun 2011 10:14|
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