Determination of porosity of lignocellulosic biomass before and after pretreatment by using Simons' stain and NMR techniques.
Identifieur interne : 002738 ( Main/Exploration ); précédent : 002737; suivant : 002739Determination of porosity of lignocellulosic biomass before and after pretreatment by using Simons' stain and NMR techniques.
Auteurs : Xianzhi Meng [États-Unis] ; Marcus Foston ; Johannes Leisen ; Jaclyn Demartini ; Charles E. Wyman ; Arthur J. RagauskasSource :
- Bioresource technology [ 1873-2976 ] ; 2013.
Descripteurs français
- KwdFr :
- Adsorption (MeSH), Agents colorants (composition chimique), Biomasse (MeSH), Cellulose (composition chimique), Coloration et marquage (méthodes), Diffusion (MeSH), Eau (composition chimique), Lignine (composition chimique), Populus (composition chimique), Porosité (MeSH), Spectroscopie par résonance magnétique (méthodes).
- MESH :
- composition chimique : Agents colorants, Cellulose, Eau, Lignine, Populus.
- méthodes : Coloration et marquage, Spectroscopie par résonance magnétique.
- Adsorption, Biomasse, Diffusion, Porosité.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Cellulose, Coloring Agents, Lignin, Water.
- chemistry : Populus.
- methods : Magnetic Resonance Spectroscopy, Staining and Labeling.
- Adsorption, Biomass, Diffusion, Porosity.
Abstract
To further investigate the effect of dilute acid pretreatment (DAP) and steam explosion pretreatment (SE) on the change in cellulose accessibility, several techniques were applied including a Simons' stain (SS) technique along with several NMR methods (i.e., NMR cryoporometry, (1)H spin-lattice (T1) and (1)H spin-spin (T2) relaxometry, and diffusometry). These methods were utilized to probe biomass porosity and thus assess cellulose accessibility on untreated and pretreated Populus. In general, these techniques indicate that pretreated Populus has larger pore size distributions and specific surface area (SSA) when compared to an untreated sample. The SS method revealed that DAP is more effective than SE in terms of the SSA increase, and that DAP increases SSA as a function of pretreatment severity. Relaxometry and diffusion measurements also suggest pore expansion occurs primarily in the first 10 min of DAP.
DOI: 10.1016/j.biortech.2013.06.091
PubMed: 23899571
Affiliations:
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Wyman</name></author><author><name sortKey="Ragauskas, Arthur J" sort="Ragauskas, Arthur J" uniqKey="Ragauskas A" first="Arthur J" last="Ragauskas">Arthur J. Ragauskas</name></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption (MeSH)</term><term>Biomass (MeSH)</term><term>Cellulose (chemistry)</term><term>Coloring Agents (chemistry)</term><term>Diffusion (MeSH)</term><term>Lignin (chemistry)</term><term>Magnetic Resonance Spectroscopy (methods)</term><term>Populus (chemistry)</term><term>Porosity (MeSH)</term><term>Staining and Labeling (methods)</term><term>Water (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adsorption (MeSH)</term><term>Agents colorants (composition chimique)</term><term>Biomasse (MeSH)</term><term>Cellulose (composition chimique)</term><term>Coloration et marquage (méthodes)</term><term>Diffusion (MeSH)</term><term>Eau (composition chimique)</term><term>Lignine (composition chimique)</term><term>Populus (composition chimique)</term><term>Porosité (MeSH)</term><term>Spectroscopie par résonance magnétique (méthodes)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Cellulose</term><term>Coloring Agents</term><term>Lignin</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Agents colorants</term><term>Cellulose</term><term>Eau</term><term>Lignine</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Magnetic Resonance Spectroscopy</term><term>Staining and Labeling</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Coloration et marquage</term><term>Spectroscopie par résonance magnétique</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Biomass</term><term>Diffusion</term><term>Porosity</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adsorption</term><term>Biomasse</term><term>Diffusion</term><term>Porosité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To further investigate the effect of dilute acid pretreatment (DAP) and steam explosion pretreatment (SE) on the change in cellulose accessibility, several techniques were applied including a Simons' stain (SS) technique along with several NMR methods (i.e., NMR cryoporometry, (1)H spin-lattice (T1) and (1)H spin-spin (T2) relaxometry, and diffusometry). These methods were utilized to probe biomass porosity and thus assess cellulose accessibility on untreated and pretreated Populus. In general, these techniques indicate that pretreated Populus has larger pore size distributions and specific surface area (SSA) when compared to an untreated sample. The SS method revealed that DAP is more effective than SE in terms of the SSA increase, and that DAP increases SSA as a function of pretreatment severity. Relaxometry and diffusion measurements also suggest pore expansion occurs primarily in the first 10 min of DAP.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23899571</PMID><DateCompleted><Year>2014</Year><Month>04</Month><Day>01</Day></DateCompleted><DateRevised><Year>2013</Year><Month>08</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-2976</ISSN><JournalIssue CitedMedium="Internet"><Volume>144</Volume><PubDate><Year>2013</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Bioresource technology</Title><ISOAbbreviation>Bioresour Technol</ISOAbbreviation></Journal><ArticleTitle>Determination of porosity of lignocellulosic biomass before and after pretreatment by using Simons' stain and NMR techniques.</ArticleTitle><Pagination><MedlinePgn>467-76</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.biortech.2013.06.091</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0960-8524(13)01019-5</ELocationID><Abstract><AbstractText>To further investigate the effect of dilute acid pretreatment (DAP) and steam explosion pretreatment (SE) on the change in cellulose accessibility, several techniques were applied including a Simons' stain (SS) technique along with several NMR methods (i.e., NMR cryoporometry, (1)H spin-lattice (T1) and (1)H spin-spin (T2) relaxometry, and diffusometry). These methods were utilized to probe biomass porosity and thus assess cellulose accessibility on untreated and pretreated Populus. In general, these techniques indicate that pretreated Populus has larger pore size distributions and specific surface area (SSA) when compared to an untreated sample. The SS method revealed that DAP is more effective than SE in terms of the SSA increase, and that DAP increases SSA as a function of pretreatment severity. Relaxometry and diffusion measurements also suggest pore expansion occurs primarily in the first 10 min of DAP.</AbstractText><CopyrightInformation>Copyright © 2013 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Meng</LastName><ForeName>Xianzhi</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>BioEnergy Science Center, School of Chemistry and Biochemistry, Institute of Paper Science and Technology, Georgia Institute of Technology, Atlanta, GA 30332, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Foston</LastName><ForeName>Marcus</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Leisen</LastName><ForeName>Johannes</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>DeMartini</LastName><ForeName>Jaclyn</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Wyman</LastName><ForeName>Charles E</ForeName><Initials>CE</Initials></Author><Author ValidYN="Y"><LastName>Ragauskas</LastName><ForeName>Arthur J</ForeName><Initials>AJ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>07</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Bioresour Technol</MedlineTA><NlmUniqueID>9889523</NlmUniqueID><ISSNLinking>0960-8524</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004396">Coloring Agents</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>11132-73-3</RegistryNumber><NameOfSubstance UI="C036909">lignocellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>9004-34-6</RegistryNumber><NameOfSubstance UI="D002482">Cellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000327" MajorTopicYN="N">Adsorption</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002482" MajorTopicYN="N">Cellulose</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004396" MajorTopicYN="N">Coloring Agents</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004058" MajorTopicYN="N">Diffusion</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009682" MajorTopicYN="N">Magnetic Resonance Spectroscopy</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D016062" MajorTopicYN="N">Porosity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013194" MajorTopicYN="N">Staining and Labeling</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cellulose accessibility</Keyword><Keyword MajorTopicYN="N">NMR</Keyword><Keyword MajorTopicYN="N">Pore size distribution</Keyword><Keyword MajorTopicYN="N">Pretreatment</Keyword><Keyword MajorTopicYN="N">Simons’ stain</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>04</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>06</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>06</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>8</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>8</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>4</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23899571</ArticleId><ArticleId IdType="pii">S0960-8524(13)01019-5</ArticleId><ArticleId IdType="doi">10.1016/j.biortech.2013.06.091</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li></region></list><tree><noCountry><name sortKey="Demartini, Jaclyn" sort="Demartini, Jaclyn" uniqKey="Demartini J" first="Jaclyn" last="Demartini">Jaclyn Demartini</name><name sortKey="Foston, Marcus" sort="Foston, Marcus" uniqKey="Foston M" first="Marcus" last="Foston">Marcus Foston</name><name sortKey="Leisen, Johannes" sort="Leisen, Johannes" uniqKey="Leisen J" first="Johannes" last="Leisen">Johannes Leisen</name><name sortKey="Ragauskas, Arthur J" sort="Ragauskas, Arthur J" uniqKey="Ragauskas A" first="Arthur J" last="Ragauskas">Arthur J. Ragauskas</name><name sortKey="Wyman, Charles E" sort="Wyman, Charles E" uniqKey="Wyman C" first="Charles E" last="Wyman">Charles E. Wyman</name></noCountry><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Meng, Xianzhi" sort="Meng, Xianzhi" uniqKey="Meng X" first="Xianzhi" last="Meng">Xianzhi Meng</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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