PoplarV1, Main, Exploration, bibRecord, 002D04

Structural comparison and enhanced enzymatic hydrolysis of the cellulosic preparation from Populus tomentosa Carr., by different cellulose-soluble solvent systems.

Identifieur interne : 002D04 ( Main/Exploration ); précédent : 002D03; suivant : 002D05

Structural comparison and enhanced enzymatic hydrolysis of the cellulosic preparation from Populus tomentosa Carr., by different cellulose-soluble solvent systems.

Auteurs : Kun Wang [République populaire de Chine] ; Hai Yan Yang ; Feng Xu ; Run Cang Sun

Source :

Bioresource technology [ 1873-2976 ] ; 2011.

RBID : pubmed:21277776

Descripteurs français

KwdFr :
- Cellulase (métabolisme), Cellulose (composition chimique), Cellulose (métabolisme), Cristallographie aux rayons X (MeSH), Glucose (analyse), Hydrolyse (MeSH), Polymérisation (MeSH), Populus (métabolisme), Solubilité (MeSH), Solvants (composition chimique), Spectroscopie infrarouge à transformée de Fourier (MeSH), Xylose (analyse).
MESH :
- analyse : Glucose, Xylose.
- composition chimique : Cellulose, Solvants.
- métabolisme : Cellulase, Cellulose, Populus.
- Cristallographie aux rayons X, Hydrolyse, Polymérisation, Solubilité, Spectroscopie infrarouge à transformée de Fourier.

English descriptors

KwdEn :
- Cellulase (metabolism), Cellulose (chemistry), Cellulose (metabolism), Crystallography, X-Ray (MeSH), Glucose (analysis), Hydrolysis (MeSH), Polymerization (MeSH), Populus (metabolism), Solubility (MeSH), Solvents (chemistry), Spectroscopy, Fourier Transform Infrared (MeSH), Xylose (analysis).
MESH :
- chemical , analysis : Glucose, Xylose.
- chemical , chemistry : Cellulose, Solvents.
- chemical , metabolism : Cellulase, Cellulose.
- metabolism : Populus.
- Crystallography, X-Ray, Hydrolysis, Polymerization, Solubility, Spectroscopy, Fourier Transform Infrared.

Abstract

This study aims to establish an efficient pretreatment process using cellulose-dissolution solvents to enhance the enzymatic saccharification. LiOH/urea, LiCl/DMAc, concentrated phosphoric acid, ionic liquid (1-butyl-3-methylimidazolium chloride; [BMIM]Cl) and N-methyl-morpholine-N-oxide (NMMO) were selected as the cellulose dissolution agents. Except the cellulosic sample regenerated from LiCl/DMAc system, all the other treated samples exhibited lower cellulose crystallinity and degree of polymerization (DP), and consequently, exhibited a significant enhancement on enzymatic hydrolysis kinetic. Ionic liquid pretreatment offered unique advantages in the hydrolysis rate in the first 10h, probably due to the extensively structural transformation of cellulose from the crystalline to the amorphous region. Meanwhile, the regenerated cellulose from concentrated phosphoric acid almost completely consisted of cellulose II, and achieved the highest saccharification yield.

DOI: 10.1016/j.biortech.2010.12.088
PubMed: 21277776

Affiliations:

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Le document en format XML

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<author><name sortKey="Yang, Hai Yan" sort="Yang, Hai Yan" uniqKey="Yang H" first="Hai Yan" last="Yang">Hai Yan Yang</name>
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<author><name sortKey="Xu, Feng" sort="Xu, Feng" uniqKey="Xu F" first="Feng" last="Xu">Feng Xu</name>
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<author><name sortKey="Sun, Run Cang" sort="Sun, Run Cang" uniqKey="Sun R" first="Run Cang" last="Sun">Run Cang Sun</name>
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<term>Cellulose (chemistry)</term>
<term>Cellulose (metabolism)</term>
<term>Crystallography, X-Ray (MeSH)</term>
<term>Glucose (analysis)</term>
<term>Hydrolysis (MeSH)</term>
<term>Polymerization (MeSH)</term>
<term>Populus (metabolism)</term>
<term>Solubility (MeSH)</term>
<term>Solvents (chemistry)</term>
<term>Spectroscopy, Fourier Transform Infrared (MeSH)</term>
<term>Xylose (analysis)</term>
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<term>Cellulose (composition chimique)</term>
<term>Cellulose (métabolisme)</term>
<term>Cristallographie aux rayons X (MeSH)</term>
<term>Glucose (analyse)</term>
<term>Hydrolyse (MeSH)</term>
<term>Polymérisation (MeSH)</term>
<term>Populus (métabolisme)</term>
<term>Solubilité (MeSH)</term>
<term>Solvants (composition chimique)</term>
<term>Spectroscopie infrarouge à transformée de Fourier (MeSH)</term>
<term>Xylose (analyse)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Glucose</term>
<term>Xylose</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Cellulose</term>
<term>Solvents</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cellulase</term>
<term>Cellulose</term>
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<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Glucose</term>
<term>Xylose</term>
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<term>Solvants</term>
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<front><div type="abstract" xml:lang="en">This study aims to establish an efficient pretreatment process using cellulose-dissolution solvents to enhance the enzymatic saccharification. LiOH/urea, LiCl/DMAc, concentrated phosphoric acid, ionic liquid (1-butyl-3-methylimidazolium chloride; [BMIM]Cl) and N-methyl-morpholine-N-oxide (NMMO) were selected as the cellulose dissolution agents. Except the cellulosic sample regenerated from LiCl/DMAc system, all the other treated samples exhibited lower cellulose crystallinity and degree of polymerization (DP), and consequently, exhibited a significant enhancement on enzymatic hydrolysis kinetic. Ionic liquid pretreatment offered unique advantages in the hydrolysis rate in the first 10h, probably due to the extensively structural transformation of cellulose from the crystalline to the amorphous region. Meanwhile, the regenerated cellulose from concentrated phosphoric acid almost completely consisted of cellulose II, and achieved the highest saccharification yield.</div>
</front>
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<DateRevised><Year>2013</Year>
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<Issue>6</Issue>
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<Title>Bioresource technology</Title>
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<Abstract><AbstractText>This study aims to establish an efficient pretreatment process using cellulose-dissolution solvents to enhance the enzymatic saccharification. LiOH/urea, LiCl/DMAc, concentrated phosphoric acid, ionic liquid (1-butyl-3-methylimidazolium chloride; [BMIM]Cl) and N-methyl-morpholine-N-oxide (NMMO) were selected as the cellulose dissolution agents. Except the cellulosic sample regenerated from LiCl/DMAc system, all the other treated samples exhibited lower cellulose crystallinity and degree of polymerization (DP), and consequently, exhibited a significant enhancement on enzymatic hydrolysis kinetic. Ionic liquid pretreatment offered unique advantages in the hydrolysis rate in the first 10h, probably due to the extensively structural transformation of cellulose from the crystalline to the amorphous region. Meanwhile, the regenerated cellulose from concentrated phosphoric acid almost completely consisted of cellulose II, and achieved the highest saccharification yield.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName>
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<Chemical><RegistryNumber>A1TA934AKO</RegistryNumber>
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Structural comparison and enhanced enzymatic hydrolysis of the cellulosic preparation from Populus tomentosa Carr., by different cellulose-soluble solvent systems.

Structural comparison and enhanced enzymatic hydrolysis of the cellulosic preparation from Populus tomentosa Carr., by different cellulose-soluble solvent systems.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki