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Title: Understanding the Changes to Biomass Surface Characteristics after Ammonia and Organosolv Pretreatments by Using Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS)

Abstract

Surface characteristic changes to poplar after ammonia and organosolv pretreatments were investigated by means of time-of-flight secondary-ion mass spectrometry (TOF-SIMS) analysis. Whereas normalized total polysaccharides and lignin contents on the surface differed from bulk chemical compositions, the surface cellulose ions detected by TOF-SIMS showed the same value trend as the cellulose content in the biomass. In addition, the lignin syringyl/guaiacyl ratio according to TOF-SIMS results showed the same trend as the ratio measured by means of NMR spectroscopic analysis, even though the ratio scales for each method were different. A similar correlation was determined between the surface cellulose and glucose release after enzymatic hydrolysis. Lastly, these results demonstrate that surface characterization using TOF-SIMS can provide important information about the effects of pretreatment on biomass properties and its hydrolysis.

Authors:
 [1];  [2]; ORCiD logo [3]
  1. Georgia Inst. of Technology, Atlanta, GA (United States). School of Chemistry and Biochemistry & Renewable Bioproducts Inst.; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Joint Inst. of Biological Science, Biosciences Division
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Joint Inst. of Biological Science, Biosciences Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemical and Biomolecular Engineering; Univ. of Tennessee, Knoxville, TN (United States). Center of Renewable Carbon, Dept. of Forestry, Wildlife, and Fisheries
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
OSTI Identifier:
1356934
Alternate Identifier(s):
OSTI ID: 1390347
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
ChemPlusChem
Additional Journal Information:
Journal Volume: 82; Journal Issue: 5; Journal ID: ISSN 2192-6506
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; biomass; carbohydrates; ToF-SIMS; pretreatment; surface analysis

Citation Formats

Tolbert, Allison K., Yoo, Chang Geun, and Ragauskas, Arthur J. Understanding the Changes to Biomass Surface Characteristics after Ammonia and Organosolv Pretreatments by Using Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS). United States: N. p., 2017. Web. doi:10.1002/cplu.201700138.
Tolbert, Allison K., Yoo, Chang Geun, & Ragauskas, Arthur J. Understanding the Changes to Biomass Surface Characteristics after Ammonia and Organosolv Pretreatments by Using Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS). United States. doi:10.1002/cplu.201700138.
Tolbert, Allison K., Yoo, Chang Geun, and Ragauskas, Arthur J. Mon . "Understanding the Changes to Biomass Surface Characteristics after Ammonia and Organosolv Pretreatments by Using Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS)". United States. doi:10.1002/cplu.201700138. https://www.osti.gov/servlets/purl/1356934.
@article{osti_1356934,
title = {Understanding the Changes to Biomass Surface Characteristics after Ammonia and Organosolv Pretreatments by Using Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS)},
author = {Tolbert, Allison K. and Yoo, Chang Geun and Ragauskas, Arthur J.},
abstractNote = {Surface characteristic changes to poplar after ammonia and organosolv pretreatments were investigated by means of time-of-flight secondary-ion mass spectrometry (TOF-SIMS) analysis. Whereas normalized total polysaccharides and lignin contents on the surface differed from bulk chemical compositions, the surface cellulose ions detected by TOF-SIMS showed the same value trend as the cellulose content in the biomass. In addition, the lignin syringyl/guaiacyl ratio according to TOF-SIMS results showed the same trend as the ratio measured by means of NMR spectroscopic analysis, even though the ratio scales for each method were different. A similar correlation was determined between the surface cellulose and glucose release after enzymatic hydrolysis. Lastly, these results demonstrate that surface characterization using TOF-SIMS can provide important information about the effects of pretreatment on biomass properties and its hydrolysis.},
doi = {10.1002/cplu.201700138},
journal = {ChemPlusChem},
number = 5,
volume = 82,
place = {United States},
year = {2017},
month = {3}
}

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