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Effects of static magnetic field on activity and stability of immobilized α-amylase in chitosan bead

Paper ID Volume ID Publish Year Pages File Format Full-Text
51646 46849 2010 4 PDF Available
Title
Effects of static magnetic field on activity and stability of immobilized α-amylase in chitosan bead
Abstract

In this study, α-amylase was immobilized onto chitosan bead via adsorption with glutaraldehyde. The immobilized α-amylase was exposed in 0.15 T static magnetic field for a period of time and characteristics including activity, kinetic parameters, pH, operational and storage stability were investigated. Under the magnetic field, the activity was increased by 19.53%, Km value was decreased from 11 mg/mL to 9 mg/mL and Vmax increased from 0.02 g/min to 0.05 g/min. Operational and pH stability were improved after magnetically exposed treatment, and the immobilized α-amylase was more stable and could be restored for 30 days with 19.4% loss in activity.

Keywords
Static magnetic field; α-Amylase; Chitosan bead; Enzyme immobilization
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Effects of static magnetic field on activity and stability of immobilized α-amylase in chitosan bead
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 5, 25 January 2010, Pages 364–367
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us