Results 161 to 170 of about 2,233 (191)

2-Naphthol Impregnation Prior to Steam Explosion Promotes LPMO-Assisted Enzymatic Saccharification of Spruce and Yields High-Purity Lignin [PDF]

ACS Sustainable Chemistry and Engineering, 2022
The recent discovery that impregnation with a carbocation scavenger may improve the enzymatic saccharification of steam-exploded softwood has brought a softwood-based biorefinery closer to reality.
Svein J Horn, Anikó Várnai, Roman Tschentscher   +2 more
exaly   +2 more sources

Cellulose Depolymerization With LPMO-Inspired Cu Complexes

ChemCatChem, 2021
AbstractBis(benzimidazole)amine‐based copper complexes, with structural similarities to the active sites of Lytic Polysaccharide Monooxygenase enzymes (LPMOs), were tested for the oxidative degradation of cellulose. Spectroscopic characterization of the complexes, as well as structural authentication of one of them, confirm a tetragonal coordination ...
Ivan Castillo, Maylis Orio
exaly   +3 more sources

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Lytic Polysaccharide Monooxygenase (LPMO)-Derived Saccharification of Lignocellulosic Biomass

Bioresource Technology, 2022
Given that traditional biorefineries have been based on microbial fermentation to produce useful fuels, materials, and chemicals as metabolites, saccharification is an important step to obtain fermentable sugars from biomass. It is well-known that glycosidic hydrolases (GHs) are responsible for the saccharification of recalcitrant polysaccharides ...
Gwon Woo Park, Kyoungseon Min, Jin-Suk Lee   +2 more
exaly   +3 more sources

Melanin, a Fungal Photosensitizer for Cellulose Oxidizing AA9-LPMO Enzymes [PDF]

ChemCatChem, 2023
AbstractMelanin is a class of hetero‐polymer pigments commonly found in nature and widely in fungi. Often referred to as the “animal lignin“, melanin is a very abundant bioresource and features many catalytically interesting properties. We conceived that, upon light absorbance, the polymer could promote long‐distance electron donation to fuel redox ...
David Cannella, Michel Luhmer
exaly   +2 more sources

Isolation and Modification of Nano-Scale Cellulose From Organosolv-Treated Birch Through the Synergistic Activity of LPMO and Endoglucanases

International Journal of Biological Macromolecules, 2021
Nanocellulose isolation from lignocellulose is a tedious and expensive process with high energy and harsh chemical requirements, primarily due to the recalcitrance of the substrate, which otherwise would have been cost-effective due to its abundance ...
Ulrika Rova, Aji P Mathew, Anthi C Karnaouri   +2 more
exaly   +2 more sources

Engineering lytic polysaccharide monooxygenases (LPMOs)

2020
Lytic polysaccharide monooxygenases (LPMOs) are mono-copper enzymes that catalyze the hydroxylation of glycosidic bonds found in the most abundant and recalcitrant polysaccharides on Earth. Since their discovery in 2010, these enzymes have received extensive attention in both fundamental and applied research due to their remarkable oxidative power and ...
Zarah, Forsberg, Anton A, Stepnov, Guro Kruge, Nærdal, Geir, Klinkenberg, Vincent G H, Eijsink   +4 more
openaire   +2 more sources

Recent insights into lytic polysaccharide monooxygenases (LPMOs)

Biochemical Society Transactions, 2018
Lytic polysaccharide monooxygenases (LPMOs) are copper enzymes discovered within the last 10 years. By degrading recalcitrant substrates oxidatively, these enzymes are major contributors to the recycling of carbon in nature and are being used in the biorefinery industry.
Tandrup, Tobias, Frandsen, Kristian, Johansen, Katja S, Berrin, Jean-Guy, Lo Leggio, Leila   +4 more
openaire   +3 more sources

Oxidation-Reduction Potential (ORP) as a Tool for Process Monitoring of H2O2/LPMO Assisted Enzymatic Hydrolysis of Cellulose [PDF]

Process Biochemistry, 2019
Oxidation-reduction potential (ORP) is an environmental factor of importance in several biological conversion processes. Lytic polysaccharide monooxygenases (LPMOs) catalyze oxidative disruption of the cellulose chain in the presence of oxygen or ...
Adnan Kadic, Gunnar Lidén, Vincent G H Eijsink   +2 more
exaly   +2 more sources

Role and significance of lytic polysaccharide monooxygenases (LPMOs) in lignocellulose deconstruction

Bioresource Technology, 2021
Lytic polysaccharide monooxygenases (LPMOs) emerged a decade ago and have been described as biomass deconstruction boosters as they play an extremely important role in unravelling the enzymatic biomass hydrolysis scheme. These are oxidative enzymes requiring partners to donate electrons during catalytic action on cellulose backbone.
Reeta, Rani Singhania, Pooja, Dixit, Anil, Kumar Patel, Balendu, Shekher Giri, Chia-Hung, Kuo, Chiu-Wen, Chen, Cheng, Di Dong   +6 more
openaire   +2 more sources

Engineered LPMO Significantly Boosting Cellulase-Catalyzed Depolymerization of Cellulose

Journal of Agricultural and Food Chemistry, 2020
Lytic polysaccharide monooxygenases (LPMOs) play a crucial role in the enzymatic depolymerization of cellulose through oxidative cleavage of the glycosidic bond in the highly recalcitrant crystalline cellulose region. Improving the activity of LPMOs is of considerable importance for second-generation biorefinery.
Chao Cheng, Junaid Haider, Pi Liu, Jianhua Yang, Zijian Tan, Tianchen Huang, Jianping Lin, Min Jiang, Haifeng Liu, Leilei Zhu   +9 more
openaire   +2 more sources