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Title: Evaluating lignocellulosic biomass, its derivatives, and downstream products with Raman spectroscopy

Journal Article · · Frontiers in Bioengineering and Biotechnology
 [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center; National Renewable Energy Lab. (NREL), Golden, CO (United States). National Bioenergy Center

The creation of fuels, chemicals, and materials from plants can aid in replacing products fabricated from non-renewable energy sources. Before using biomass in downstream applications, it must be characterized to assess chemical traits, such as cellulose, lignin, or lignin monomer content, or the sugars released following an acid or enzymatic hydrolysis. The measurement of these traits allows researchers to gage the recalcitrance of the plants and develop efficient deconstruction strategies to maximize yields. Standard methods for assessing biomass phenotypes often have experimental protocols that limit their use for screening sizeable numbers of plant species. Raman spectroscopy, a non-destructive, non-invasive vibrational spectroscopy technique, is capable of providing qualitative, structural information and quantitative measurements. Applications of Raman spectroscopy have aided in alleviating the constraints of standard methods by coupling spectral data with multivariate analysis to construct models capable of predicting analytes. Hydrolysis and fermentation products, such as glucose and ethanol, can be quantified off-, at-, or on-line. Raman imaging has enabled researchers to develop a visual understanding of reactions, such as different pretreatment strategies, in real-time, while also providing integral chemical information. Finally, this review provides an overview of what Raman spectroscopy is, and how it has been applied to the analysis of whole lignocellulosic biomass, its derivatives, and downstream process monitoring.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE
OSTI ID:
1220763
Report Number(s):
NREL/JA-5100-64433
Journal Information:
Frontiers in Bioengineering and Biotechnology, Vol. 3; ISSN 2296-4185
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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High-Throughput Profiling of the Fiber and Sugar Composition of Sugarcane Biomass journal November 2016
Enhanced photostability of cuprous oxide by lignin films on glassy carbon electrodes in the transformation of carbon dioxide journal January 2018
Compositional analysis of lignocellulosic biomass: conventional methodologies and future outlook journal June 2017
The Impact of Lignin Structural Diversity on Performance of Cellulose Nanofiber (CNF)-Starch Composite Films journal March 2019
Compositional analysis of lignocellulosic biomass: conventional methodologies and future outlook text January 2017
Compositional analysis of lignocellulosic biomass: conventional methodologies and future outlook text January 2017
Analysis of Cellulose and Lignocellulose Materials by Raman Spectroscopy: A Review of the Current Status journal April 2019