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Preparation and properties of immobilized pectinase onto the amphiphilic PS-b-PAA diblock copolymers

Paper ID Volume ID Publish Year Pages File Format Full-Text
25423 43573 2007 8 PDF Available
Title
Preparation and properties of immobilized pectinase onto the amphiphilic PS-b-PAA diblock copolymers
Abstract

Well-defined amphiphilic block copolymers poly(styrene-b-acrylic acid) (PS-b-PAA) with controlled block length were synthesized using atom transfer radical polymerization (ATRP). Pectinase enzyme was immobilized on the well-defined amphiphilic block copolymers PS-b-PAA. The carboxyl groups on the amphiphilic PS-b-PAA diblock copolymers present a very simple, mild, and time-saving process for enzyme immobilization. Various characteristics of immobilized pectinase such as the pH and temperature stability, thermal stability, and storage stability were valuated. Among them the pH optimum and temperature optimum of free and immobilized pectinase were found to be pH 6.0 and 65 °C.

Keywords
Amphiphilic block copolymers; Atom transfer radical polymerization; Immobilized pectinase enzyme
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Preparation and properties of immobilized pectinase onto the amphiphilic PS-b-PAA diblock copolymers
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 128, Issue 1, 30 January 2007, Pages 112–119
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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