Fractional pretreatment of hybrid poplar for accelerated enzymatic hydrolysis: characterization of cellulose-enriched fraction.
Identifieur interne : 002A80 ( Main/Exploration ); précédent : 002A79; suivant : 002A81Fractional pretreatment of hybrid poplar for accelerated enzymatic hydrolysis: characterization of cellulose-enriched fraction.
Auteurs : Ling Yan Meng [République populaire de Chine] ; Su Min Kang ; Xue Ming Zhang ; Yu Ying Wu ; Feng Xu ; Run Cang SunSource :
- Bioresource technology [ 1873-2976 ] ; 2012.
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Abstract
The efficient production of fermentable sugars is a prerequisite for economic ethanol production from lignocellulosic biomass. A cellulose-enriched fraction was obtained by complete dissolution of ball-milled hybrid poplar wood in dimethyl sulfoxide and lithium chloride (DMSO/LiCl). The cellulose-enriched fraction was mainly composed of glucose and xylose. Spectral fitting analysis of CP/MAS (13)C NMR revealed that the cellulose-enriched fraction had para-crystalline structures with somewhat larger contents of crystalline cellulose І(β) than І(α). The cellulose-enriched fraction was much easier to be converted into mono sugars by cellulases than the untreated sample. Scanning electron microscopy (SEM) indicated that the cellulose-enriched fraction was porous, which could likely explain the high enzymatic hydrolysis efficiency. This study provides a novel pretreatment method based on fractional separation of the three biopolymers via complete dissolution system for enhancement of conversion from ignocellulose to biofuels.
DOI: 10.1016/j.biortech.2012.01.050
PubMed: 22330601
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A cellulose-enriched fraction was obtained by complete dissolution of ball-milled hybrid poplar wood in dimethyl sulfoxide and lithium chloride (DMSO/LiCl). The cellulose-enriched fraction was mainly composed of glucose and xylose. Spectral fitting analysis of CP/MAS (13)C NMR revealed that the cellulose-enriched fraction had para-crystalline structures with somewhat larger contents of crystalline cellulose І(β) than І(α). The cellulose-enriched fraction was much easier to be converted into mono sugars by cellulases than the untreated sample. Scanning electron microscopy (SEM) indicated that the cellulose-enriched fraction was porous, which could likely explain the high enzymatic hydrolysis efficiency. This study provides a novel pretreatment method based on fractional separation of the three biopolymers via complete dissolution system for enhancement of conversion from ignocellulose to biofuels.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22330601</PMID><DateCompleted><Year>2012</Year><Month>06</Month><Day>29</Day></DateCompleted><DateRevised><Year>2012</Year><Month>03</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>110</Volume><PubDate><Year>2012</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Fractional pretreatment of hybrid poplar for accelerated enzymatic hydrolysis: characterization of cellulose-enriched fraction.</ArticleTitle><Pagination><MedlinePgn>308-13</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2012.01.050</ELocationID><Abstract><AbstractText>The efficient production of fermentable sugars is a prerequisite for economic ethanol production from lignocellulosic biomass. A cellulose-enriched fraction was obtained by complete dissolution of ball-milled hybrid poplar wood in dimethyl sulfoxide and lithium chloride (DMSO/LiCl). The cellulose-enriched fraction was mainly composed of glucose and xylose. Spectral fitting analysis of CP/MAS (13)C NMR revealed that the cellulose-enriched fraction had para-crystalline structures with somewhat larger contents of crystalline cellulose І(β) than І(α). The cellulose-enriched fraction was much easier to be converted into mono sugars by cellulases than the untreated sample. Scanning electron microscopy (SEM) indicated that the cellulose-enriched fraction was porous, which could likely explain the high enzymatic hydrolysis efficiency. This study provides a novel pretreatment method based on fractional separation of the three biopolymers via complete dissolution system for enhancement of conversion from ignocellulose to biofuels.</AbstractText><CopyrightInformation>Copyright © 2012 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Meng</LastName><ForeName>Ling Yan</ForeName><Initials>LY</Initials><AffiliationInfo><Affiliation>Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Su Min</ForeName><Initials>SM</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xue Ming</ForeName><Initials>XM</Initials></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Yu Ying</ForeName><Initials>YY</Initials></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Feng</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Run Cang</ForeName><Initials>RC</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>01</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009682" MajorTopicYN="N">Magnetic Resonance Spectroscopy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008855" MajorTopicYN="N">Microscopy, Electron, Scanning</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="Y">Populus</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>09</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2011</Year><Month>12</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>01</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>2</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>2</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>6</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22330601</ArticleId><ArticleId IdType="pii">S0960-8524(12)00056-9</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2012.01.050</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Pékin</li></settlement></list><tree><noCountry><name sortKey="Kang, Su Min" sort="Kang, Su Min" uniqKey="Kang S" first="Su Min" last="Kang">Su Min Kang</name><name sortKey="Sun, Run Cang" sort="Sun, Run Cang" uniqKey="Sun R" first="Run Cang" last="Sun">Run Cang Sun</name><name sortKey="Wu, Yu Ying" sort="Wu, Yu Ying" uniqKey="Wu Y" first="Yu Ying" last="Wu">Yu Ying Wu</name><name sortKey="Xu, Feng" sort="Xu, Feng" uniqKey="Xu F" first="Feng" last="Xu">Feng Xu</name><name sortKey="Zhang, Xue Ming" sort="Zhang, Xue Ming" uniqKey="Zhang X" first="Xue Ming" last="Zhang">Xue Ming Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Meng, Ling Yan" sort="Meng, Ling Yan" uniqKey="Meng L" first="Ling Yan" last="Meng">Ling Yan Meng</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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