Impact of cationic polyelectrolyte on the nanoshear hybrid alkaline pretreatment of corn stover: Morphology and saccharification study
[Display omitted] ► The addition of polyelectrolyte in the pretreatment greatly modified the lignin in the biomass. ► It further induced the morphological changes of cell wall layers. ► Both glucose and xylose yields were enhanced in the enzymatic hydrolysis. ► Lignin migrated, redistributed, and fo...
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► The addition of polyelectrolyte in the pretreatment greatly modified the lignin in the biomass. ► It further induced the morphological changes of cell wall layers. ► Both glucose and xylose yields were enhanced in the enzymatic hydrolysis. ► Lignin migrated, redistributed, and formed globular complex.
Cationic polyelectrolyte was first used as the additive in the nanoshear hybrid alkaline pretreatment of corn stover. The novel nanoshear hybrid pretreatment process was recently developed at MSU. The chemical compositions and morphologies were investigated by SEM, TEM, confocal CLSM, and XPS to elucidate the degradation mechanism of cellular structures. At room temperature and fast processing conditions (∼2min), lignin was found to redistribute on the inner and outer surfaces of the cell wall as lignin aggregate droplets instead of being extracted. Free microfibrils in the residues were also observed. The yields of enzymatic hydrolysis were enhanced for the pretreated corn stover with the aid of polyelectrolyte as an additive. We speculate that lignin was effectively modified which opened up the cell wall structure during the short pretreatment process and prevented non-productive binding of enzymes in the enzyme hydrolysis reaction. |
| doi_str_mv | 10.1016/j.biortech.2013.01.128 |
| format | Article |
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► The addition of polyelectrolyte in the pretreatment greatly modified the lignin in the biomass. ► It further induced the morphological changes of cell wall layers. ► Both glucose and xylose yields were enhanced in the enzymatic hydrolysis. ► Lignin migrated, redistributed, and formed globular complex.
Cationic polyelectrolyte was first used as the additive in the nanoshear hybrid alkaline pretreatment of corn stover. The novel nanoshear hybrid pretreatment process was recently developed at MSU. The chemical compositions and morphologies were investigated by SEM, TEM, confocal CLSM, and XPS to elucidate the degradation mechanism of cellular structures. At room temperature and fast processing conditions (∼2min), lignin was found to redistribute on the inner and outer surfaces of the cell wall as lignin aggregate droplets instead of being extracted. Free microfibrils in the residues were also observed. The yields of enzymatic hydrolysis were enhanced for the pretreated corn stover with the aid of polyelectrolyte as an additive. We speculate that lignin was effectively modified which opened up the cell wall structure during the short pretreatment process and prevented non-productive binding of enzymes in the enzyme hydrolysis reaction.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2013.01.128</identifier><identifier>PMID: 23425578</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Additives ; Agronomy. Soil science and plant productions ; Alkalies - pharmacology ; Biological and medical sciences ; Biomass pretreatment ; Biotechnology ; Biotechnology - methods ; Carbohydrate Metabolism - drug effects ; Carbohydrates - biosynthesis ; Cationic ; Cell Wall - drug effects ; Cell Wall - ultrastructure ; Corn ; Droplets ; Enzymatic hydrolysis ; Enzymes ; Food industries ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Lignin - chemistry ; Lignin redistribution ; Microscopy, Electron, Scanning ; Nanoparticles - chemistry ; Nanostructure ; Photoelectron Spectroscopy ; Polyamines - pharmacology ; Polyelectrolyte ; Polyelectrolytes ; Pretreatment ; Reproducibility of Results ; Sodium Hydroxide - pharmacology ; Surface Properties ; Use and upgrading of agricultural and food by-products. Biotechnology ; Use of agricultural and forest wastes. Biomass use, bioconversion ; Walls ; Waste Products - analysis ; Zea mays - chemistry</subject><ispartof>Bioresource technology, 2013-04, Vol.133, p.45-50</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-388d3904d37a9a0fbf73704b090e3e867f2897d9c5db2eac89eaf3b0311c82713</citedby><cites>FETCH-LOGICAL-c431t-388d3904d37a9a0fbf73704b090e3e867f2897d9c5db2eac89eaf3b0311c82713</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2013.01.128$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27282616$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23425578$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ji, Shaowen</creatorcontrib><creatorcontrib>Lee, Ilsoon</creatorcontrib><title>Impact of cationic polyelectrolyte on the nanoshear hybrid alkaline pretreatment of corn stover: Morphology and saccharification study</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>[Display omitted]
► The addition of polyelectrolyte in the pretreatment greatly modified the lignin in the biomass. ► It further induced the morphological changes of cell wall layers. ► Both glucose and xylose yields were enhanced in the enzymatic hydrolysis. ► Lignin migrated, redistributed, and formed globular complex.
Cationic polyelectrolyte was first used as the additive in the nanoshear hybrid alkaline pretreatment of corn stover. The novel nanoshear hybrid pretreatment process was recently developed at MSU. The chemical compositions and morphologies were investigated by SEM, TEM, confocal CLSM, and XPS to elucidate the degradation mechanism of cellular structures. At room temperature and fast processing conditions (∼2min), lignin was found to redistribute on the inner and outer surfaces of the cell wall as lignin aggregate droplets instead of being extracted. Free microfibrils in the residues were also observed. The yields of enzymatic hydrolysis were enhanced for the pretreated corn stover with the aid of polyelectrolyte as an additive. We speculate that lignin was effectively modified which opened up the cell wall structure during the short pretreatment process and prevented non-productive binding of enzymes in the enzyme hydrolysis reaction.</description><subject>Additives</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Alkalies - pharmacology</subject><subject>Biological and medical sciences</subject><subject>Biomass pretreatment</subject><subject>Biotechnology</subject><subject>Biotechnology - methods</subject><subject>Carbohydrate Metabolism - drug effects</subject><subject>Carbohydrates - biosynthesis</subject><subject>Cationic</subject><subject>Cell Wall - drug effects</subject><subject>Cell Wall - ultrastructure</subject><subject>Corn</subject><subject>Droplets</subject><subject>Enzymatic hydrolysis</subject><subject>Enzymes</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Lignin - chemistry</subject><subject>Lignin redistribution</subject><subject>Microscopy, Electron, Scanning</subject><subject>Nanoparticles - chemistry</subject><subject>Nanostructure</subject><subject>Photoelectron Spectroscopy</subject><subject>Polyamines - pharmacology</subject><subject>Polyelectrolyte</subject><subject>Polyelectrolytes</subject><subject>Pretreatment</subject><subject>Reproducibility of Results</subject><subject>Sodium Hydroxide - pharmacology</subject><subject>Surface Properties</subject><subject>Use and upgrading of agricultural and food by-products. Biotechnology</subject><subject>Use of agricultural and forest wastes. Biomass use, bioconversion</subject><subject>Walls</subject><subject>Waste Products - analysis</subject><subject>Zea mays - chemistry</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkctu1DAUQC0EokPhFypvkNgk-JHENitQxaNSERtYW459QzwkdrA9lfIDfDepMoVlV_cuzn0ehK4oqSmh3dtj3fuYCtixZoTymtCaMvkEHagUvGJKdE_RgaiOVLJlzQV6kfOREMKpYM_RBeMNa1shD-jPzbwYW3AcsDXFx-AtXuK0wgS2pC0pgGPAZQQcTIh5BJPwuPbJO2ymX2byAfCSoCQwZYawd4op4FziHaR3-GtMyxin-HPFJjicjbWjSX7w-7yNO7n1JXo2mCnDq3O8RD8-ffx-_aW6_fb55vrDbWUbTkvFpXRckcZxYZQhQz8ILkjTE0WAg-zEwKQSTtnW9QyMlQrMwPvtbGolE5Rfojd73yXF3yfIRc8-W5gmEyCesqYtIaJTHSWPo5w1qlVEsg3tdtSmmHOCQS_JzyatmhJ9r0sf9YMufa9LE6o3XVvh1XnGqZ_B_St78LMBr8-AydZMQzLB-vyfE0yyjnYb937nYHvenYeks_UQLDifNpHaRf_YLn8BXju5aQ</recordid><startdate>20130401</startdate><enddate>20130401</enddate><creator>Ji, Shaowen</creator><creator>Lee, Ilsoon</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20130401</creationdate><title>Impact of cationic polyelectrolyte on the nanoshear hybrid alkaline pretreatment of corn stover: Morphology and saccharification study</title><author>Ji, Shaowen ; Lee, Ilsoon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-388d3904d37a9a0fbf73704b090e3e867f2897d9c5db2eac89eaf3b0311c82713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Additives</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Alkalies - pharmacology</topic><topic>Biological and medical sciences</topic><topic>Biomass pretreatment</topic><topic>Biotechnology</topic><topic>Biotechnology - methods</topic><topic>Carbohydrate Metabolism - drug effects</topic><topic>Carbohydrates - biosynthesis</topic><topic>Cationic</topic><topic>Cell Wall - drug effects</topic><topic>Cell Wall - ultrastructure</topic><topic>Corn</topic><topic>Droplets</topic><topic>Enzymatic hydrolysis</topic><topic>Enzymes</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>Lignin - chemistry</topic><topic>Lignin redistribution</topic><topic>Microscopy, Electron, Scanning</topic><topic>Nanoparticles - chemistry</topic><topic>Nanostructure</topic><topic>Photoelectron Spectroscopy</topic><topic>Polyamines - pharmacology</topic><topic>Polyelectrolyte</topic><topic>Polyelectrolytes</topic><topic>Pretreatment</topic><topic>Reproducibility of Results</topic><topic>Sodium Hydroxide - pharmacology</topic><topic>Surface Properties</topic><topic>Use and upgrading of agricultural and food by-products. Biotechnology</topic><topic>Use of agricultural and forest wastes. Biomass use, bioconversion</topic><topic>Walls</topic><topic>Waste Products - analysis</topic><topic>Zea mays - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ji, Shaowen</creatorcontrib><creatorcontrib>Lee, Ilsoon</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ji, Shaowen</au><au>Lee, Ilsoon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of cationic polyelectrolyte on the nanoshear hybrid alkaline pretreatment of corn stover: Morphology and saccharification study</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2013-04-01</date><risdate>2013</risdate><volume>133</volume><spage>45</spage><epage>50</epage><pages>45-50</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>[Display omitted]
► The addition of polyelectrolyte in the pretreatment greatly modified the lignin in the biomass. ► It further induced the morphological changes of cell wall layers. ► Both glucose and xylose yields were enhanced in the enzymatic hydrolysis. ► Lignin migrated, redistributed, and formed globular complex.
Cationic polyelectrolyte was first used as the additive in the nanoshear hybrid alkaline pretreatment of corn stover. The novel nanoshear hybrid pretreatment process was recently developed at MSU. The chemical compositions and morphologies were investigated by SEM, TEM, confocal CLSM, and XPS to elucidate the degradation mechanism of cellular structures. At room temperature and fast processing conditions (∼2min), lignin was found to redistribute on the inner and outer surfaces of the cell wall as lignin aggregate droplets instead of being extracted. Free microfibrils in the residues were also observed. The yields of enzymatic hydrolysis were enhanced for the pretreated corn stover with the aid of polyelectrolyte as an additive. We speculate that lignin was effectively modified which opened up the cell wall structure during the short pretreatment process and prevented non-productive binding of enzymes in the enzyme hydrolysis reaction.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23425578</pmid><doi>10.1016/j.biortech.2013.01.128</doi><tpages>6</tpages></addata></record> |
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| subjects | Additives Agronomy. Soil science and plant productions Alkalies - pharmacology Biological and medical sciences Biomass pretreatment Biotechnology Biotechnology - methods Carbohydrate Metabolism - drug effects Carbohydrates - biosynthesis Cationic Cell Wall - drug effects Cell Wall - ultrastructure Corn Droplets Enzymatic hydrolysis Enzymes Food industries Fundamental and applied biological sciences. Psychology General agronomy. Plant production Lignin - chemistry Lignin redistribution Microscopy, Electron, Scanning Nanoparticles - chemistry Nanostructure Photoelectron Spectroscopy Polyamines - pharmacology Polyelectrolyte Polyelectrolytes Pretreatment Reproducibility of Results Sodium Hydroxide - pharmacology Surface Properties Use and upgrading of agricultural and food by-products. Biotechnology Use of agricultural and forest wastes. Biomass use, bioconversion Walls Waste Products - analysis Zea mays - chemistry |
| title | Impact of cationic polyelectrolyte on the nanoshear hybrid alkaline pretreatment of corn stover: Morphology and saccharification study |
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