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The use of atomic force microscopy as a tool to study the effect of a xylanase from Humicola grisea var. thermoidea in kraft pulp bleaching

Paper ID Volume ID Publish Year Pages File Format Full-Text
18032 42710 2007 9 PDF Available
Title
The use of atomic force microscopy as a tool to study the effect of a xylanase from Humicola grisea var. thermoidea in kraft pulp bleaching
Abstract

A purified β-xylanase (Xyn III) from Humicola grisea var. thermoidea was used for studies of atomic force microscopy (AFM) in order to investigate its interaction with oxygen-bleached kraft pulp. The results of AFM indicated that Xyn III caused significant changes in the topography, texture and elasticity of kraft pulp. It was observed a reduction in mean of RA (parameter associated to sample roughness), RMS (roughness mean surface parameter), average height, maximum amplitude of topography and texture, and roughness in Xyn III-treated kraft pulps. RMS parameter analysis showed higher amplitude of elasticity for the Xyn III-treated kraft pulp. For the same pulp sample was observed an increase in the kurtosis surface parameter, while the indexes of texture direction and fluid retention parameter were reduced when compared to the control.

Keywords
Humicola grisea; Xylanase; Atomic force microscopy; Bleaching; Eucalyptus; Kraft pulp
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The use of atomic force microscopy as a tool to study the effect of a xylanase from Humicola grisea var. thermoidea in kraft pulp bleaching
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 40, Issue 4, 5 March 2007, Pages 723–731
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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
Online Support
Any Questions? feel free to contact us