Chang Soo Kim
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View article: Engineering of Corynebacterium glutamicum for para-coumaric acid biosynthesis from lignocellulosic biomass
Engineering of Corynebacterium glutamicum for para-coumaric acid biosynthesis from lignocellulosic biomass Open
para-Coumaric acid (pCA), a naturally occurring phenolic compound found in various edible plants, holds significant potential in pharmaceutical development due to its diverse biological activities and its role as a key intermediate in the …
View article: Corrigendum: Enhancing enzyme-mediated cellulose hydrolysis by incorporating acid groups onto the lignin during biomass pretreatment
Corrigendum: Enhancing enzyme-mediated cellulose hydrolysis by incorporating acid groups onto the lignin during biomass pretreatment Open
[This corrects the article DOI: 10.3389/fbioe.2020.608835.].
View article: Production of high-carbon-number naphthenes for bio-aviation fuels from bio-crude prepared by fast pyrolysis of lignocellulose
Production of high-carbon-number naphthenes for bio-aviation fuels from bio-crude prepared by fast pyrolysis of lignocellulose Open
Lignocellulose has been suggested as a cost-effective, environmentally sustainable substitute for paraffins, aromatics, and naphthenes in aviation fuel. However, bio-crude derived from the fast pyrolysis of lignocellulose poses challenges …
View article: Effect of multiple quantum well periods on structural properties and performance of extended short-wavelength infrared LEDs
Effect of multiple quantum well periods on structural properties and performance of extended short-wavelength infrared LEDs Open
We present research on the role of multiple quantum well periods in extended short-wavelength infrared InGaAs/InAsPSb type-I LEDs. The fabricated LEDs consisted of 6, 15, and 30 quantum well periods, and we evaluated the structural propert…
View article: Efficient chemo-catalytic transformation of spent coffee grounds into lactic acid using erbium triflate
Efficient chemo-catalytic transformation of spent coffee grounds into lactic acid using erbium triflate Open
Developing efficient conversion technologies for waste valorization is crucial in the context of a sustainable bioeconomy. The massive generation of spent coffee grounds (SCG) has become an environmental and social concern. Although the ma…
View article: Catalytic hydrocracking of pyrolytic lignin in supercritical methanol over nickel‑ruthenium/ceria-deposited HZSM-5
Catalytic hydrocracking of pyrolytic lignin in supercritical methanol over nickel‑ruthenium/ceria-deposited HZSM-5 Open
In this study, we explored the catalytic hydrocracking of pyrolytic lignin (PL) under supercritical methanol conditions. This approach aimed to minimize coke formation and prevent solidification of bio-oil, thus improving its manageability…
View article: Applying Job Shop Scheduling to SMEs Manufacturing Platform to Revitalize B2B Relationship
Applying Job Shop Scheduling to SMEs Manufacturing Platform to Revitalize B2B Relationship Open
A small and medium enterprises (SMEs) manufacturing platform aims to perform as a significant revenue to SMEs and vendors by providing scheduling and monitoring capabilities. The optimal job shop scheduling is generated by utilizing the sc…
View article: Evaluation of the Daily Load Curve by Taking V2G of PEVs into Consideration
Evaluation of the Daily Load Curve by Taking V2G of PEVs into Consideration Open
This paper presented a method for calculating daily load curves by considering charging and discharging locations of electric vehicles to help to understand the impact of loads generated by charging and discharging of electric vehicles on …
View article: Roles of metal and acid sites in the reductive depolymerization of concentrated lignin over supported Pd catalysts
Roles of metal and acid sites in the reductive depolymerization of concentrated lignin over supported Pd catalysts Open
Lignin is a natural polymer contained in lignocellulose and is a potential feedstock for the production of phenolics or small aromatic molecules. However, lignin depolymerization is typically performed using low lignin concentrations and i…
View article: Metal/acid bifunctional catalysts for the reductive catalytic fractionation of lignocellulose into phenols and holocellulose
Metal/acid bifunctional catalysts for the reductive catalytic fractionation of lignocellulose into phenols and holocellulose Open
Mongolian oak (MO), a lignocellulosic biomass feedstock comprising lignin, hemicellulose, and cellulose, was fractionated via reductive catalytic fractionation (RCF) into holocellulose-rich solid residue and lignin-derived phenol-rich liqu…
View article: Improved hydrodeoxygenation of lignin-derived oxygenates and biomass pyrolysis oil into hydrocarbon fuels using titania-supported nickel phosphide catalysts
Improved hydrodeoxygenation of lignin-derived oxygenates and biomass pyrolysis oil into hydrocarbon fuels using titania-supported nickel phosphide catalysts Open
Biomass pyrolysis oil is a potentially essential renewable energy source that can serve as an alternative to petroleum-based fuels and chemicals. In this study, biomass pyrolysis oil was converted into petroleum-like deoxygenated hydrocarb…
View article: One-Pot, One-Step Synthesis of Drug-Loaded Magnetic Multimicelle Aggregates
One-Pot, One-Step Synthesis of Drug-Loaded Magnetic Multimicelle Aggregates Open
Lipid-based formulations provide a nanotechnology platform that is widely used in a variety of biomedical applications because it has several advantageous properties including biocompatibility, reduced toxicity, relative ease of surface mo…
View article: Selective hydrodeoxygenation of biomass pyrolysis oil and lignin-derived oxygenates to cyclic alcohols using the bimetallic NiFe core-shell supported on TiO2
Selective hydrodeoxygenation of biomass pyrolysis oil and lignin-derived oxygenates to cyclic alcohols using the bimetallic NiFe core-shell supported on TiO2 Open
TiO2-supported Ni catalysts are promising candidates that can be used to achieve biomass valorization following the selective hydrodeoxygenation (HDO). Their catalytic activity can be tuned and they are characterized by strong metal–suppor…
View article: One-pot selective production of deoxygenated monomeric, dimeric, and trimeric hydrocarbons from xylose-derived 2-methylfuran using multifunctional tungstate-zirconia-supported Ru, Pd, and Ni catalysts
One-pot selective production of deoxygenated monomeric, dimeric, and trimeric hydrocarbons from xylose-derived 2-methylfuran using multifunctional tungstate-zirconia-supported Ru, Pd, and Ni catalysts Open
The multifunctionality of tungstate-zirconia-supported metal catalysts was demonstrated in a three-step conversion of 2-methylfuran (2-MF) into deoxygenated C10-15 hydrocarbon fuels in a one-pot reactor, with condensation, hydrogenation, a…
View article: Color three-dimensional imaging based on patterned illumination using a negative pinhole array
Color three-dimensional imaging based on patterned illumination using a negative pinhole array Open
Reflectance confocal microscopy is widely used for non-destructive optical three-dimensional (3D) imaging. In confocal microscopy, a stack of sequential two-dimensional (2D) images with respect to the axial position is typically needed to …
View article: Synergistic Effects of Catalyst Mixtures on Biomass Catalytic Pyrolysis
Synergistic Effects of Catalyst Mixtures on Biomass Catalytic Pyrolysis Open
This paper studied the synergistic effects of catalyst mixtures on biomass catalytic pyrolysis in comparison with the single catalyst in a microwave reactor and a TGA. In general, positive synergistic effects were identified based on incre…
View article: Enhancing Enzyme-Mediated Cellulose Hydrolysis by Incorporating Acid Groups Onto the Lignin During Biomass Pretreatment
Enhancing Enzyme-Mediated Cellulose Hydrolysis by Incorporating Acid Groups Onto the Lignin During Biomass Pretreatment Open
Lignin is known to limit the enzyme-mediated hydrolysis of biomass by both restricting substrate swelling and binding to the enzymes. Pretreated mechanical pulp (MP) made from Aspen wood chips was incubated with either 16% sodium sulfite o…
View article: Anti‐Atherogenic Effect of Stem Cell Nanovesicles Targeting Disturbed Flow Sites
Anti‐Atherogenic Effect of Stem Cell Nanovesicles Targeting Disturbed Flow Sites Open
Atherosclerosis development leads to irreversible cascades, highlighting the unmet need for improved methods of early diagnosis and prevention. Disturbed flow formation is one of the earliest atherogenic events, resulting in increased endo…
View article: Enhancing Enzyme-Mediated Hydrolysis of Mechanical Pulps by Deacetylation and Delignification
Enhancing Enzyme-Mediated Hydrolysis of Mechanical Pulps by Deacetylation and Delignification Open
Alkaline induced deacetylation of the hemicellulose combined with subsequent mechanical refining enhanced the enzyme-mediated hydrolysis of pretreated corn stover. The addition of either NaOH (80 °C) or mild KOH (25 °C) to corn stover prio…
View article: Deep Eutectic Solvent Pretreatment of Transgenic Biomass With Increased C6C1 Lignin Monomers
Deep Eutectic Solvent Pretreatment of Transgenic Biomass With Increased C6C1 Lignin Monomers Open
The complex and heterogeneous polyphenolic structure of lignin confers recalcitrance to plant cell walls and challenges biomass processing for agroindustrial applications. Recently, significant efforts have been made to alter lignin compos…