18 Result(s)
within
Dae-Hoon Lee
Chemistry
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Article
Ozonation of styrene in the flue gas from fiberglass reinforced plastics manufacturing facility: Laboratory and on-site studies
Styrene is a typical volatile organic compound (VOC) emitted from various sources that is considered hazardous due to its toxicity and strong odor. Many technologies have been developed to control VOCs, includ...
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Article
Impact of Agarose Hydrogels as Cell Vehicles for Neo Retinal Pigment Epithelium Formation: In Vitro Study
Retinal pigment epithelium (RPE) which plays a key role of the visual function is destroyed by retinal diseases, which are affected to visual impairment or blindness. Agarose (Agr) prepared from Marine red alg...
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Article
Investigation of Rotating Arc-Catalytic Reactor for CF4 Removal with High Energy Efficiency
CF4 is commonly used in semiconductor industries, and its removal requires a large amount of energy because it is a highly stable perfluorinated compound. In this study, a rotating arc-catalytic reactor that uses...
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Article
Characterization of Taurine/Silk Fibroin Blend Film for Application as a Carrier for Corneal Endothelial Cell Transplantation
Corneal endothelial cells (CEnCs) cannot be regenerated once damaged, so restoring corneal function can only be achieved through tissue engineering. In this study, biocompatible films were prepared from silk f...
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Article
Ignition Process of Diesel Spray Based on Behavior of Rotating Gliding Arc in Plasma Reformer
The design of efficient plasma reformers requires both efficient fuel conversion of fuel and chemical energy extraction. In this regard, liquid fuels provide the advantages of high gravimetric and volumetric e...
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Article
Improvement of Medication Adherence and Controlled Drug Release by Optimized Acetaminophen Formulation
Acetaminophen (paracetamol, APAP) is a major component of Tylenol, Penzal Q, and Panpyrin, and is the most commonly used antipyretic analgesic in children. The conventional oral drug delivery systems of APAP a...
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Article
Evaluation of the Thermal Effect of Arc Plasma in the Plasma-Driven Partial Oxidation of Octane
The on-board reforming technique for de-NOx is attracting increasing interest because of the fast start-up and size of the device. However, due to the limited amount of energy available from the battery, a ful...
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Article
Combustion of Inert-Gas-Diluted Volatile Organic Compounds Using a Fuel-Rich Pilot Flame and Rotating Arc Plasma
This report proposes a method that uses plasma in combination with combustion to remove very low concentrations of volatile organic compounds (VOCs) that cannot be combusted with conventional burners. A burner...
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Article
In vivo bone regeneration evaluation of duck’s feet collagen/PLGA scaffolds in rat calvarial defect
Tissue engineered bone substitutes should mimic natural bone characteristics to be highly-suitable for treating bone defects in addition to its biocompatibility and good mechanical stability. In this study, we...
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Article
Skin regeneration using duck’s feet derived collagen and poly(vinyl alcohol) scaffold
In this study, we have designed scaffold by mixing collagen extracted from the duck’s flippers with poly(vinyl alcohol) (DC/PVA) via freeze-thawing and the as-prepared scaffold were evaluated for skin regeneratio...
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Article
Application of Plasma Fuel Reformer to an On-Board Diesel Burner
A conventional diesel burner has arisen several shortcomings, such a large supply of air for a stoichiometric combustion, and a long heat-up time to reach the light-off temperature of catalyst in a diesel afte...
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Article
Optimization of NH3 Decomposition by Control of Discharge Mode in a Rotating Arc
In this study, the characteristic behavior of a rotating arc was investigated. Various modes, depending on the electric power supplied, can be observed in a rotating arc. Each mode produces different discharge...
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Article
Plasma Burner for Active Regeneration of Diesel Particulate Filter
This study proposes a diesel particulate filter system to remove particulate matter (PM) from diesel engines. Filters should be periodically burned (regenerated) to remove PM. In the proposed system, a plasma ...
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Article
Effect of the Electric Conductivity of a Catalyst on Methane Activation in a Dielectric Barrier Discharge Reactor
The influence of catalyst electric conductivity on methane activation in a planar-type dielectric barrier discharge reactor is investigated by empirically comparing the degree of methane conversion of bare Al2O3 ...
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Article
Comparative Study of Methane Activation Process by Different Plasma Sources
In this paper, we compare the characteristics of methane activation by diverse plasma sources. The test conditions of reactant flow rate and composition are fixed for each plasma source to eliminate any possib...
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Article
Map** Plasma Chemistry in Hydrocarbon Fuel Processing Processes
A role of plasma chemistry and relative contribution to the overall reaction is explained. Considering relative contribution of thermo chemistry and plasma chemistry, reactions are classified into three differ...
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Article
Interactive Phenomena of a Rotating Arc and a Premixed CH4 Flame
The interactive phenomena between a rotating arc and a premixed methane/air flame have been investigated. The effects of the rotating arc on the flame were observed: both lean and rich flammability limit was e...
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Article
Mechanical properties of wool fiber in the stretch breaking process
Short wool fibers obtained by the stretch breaking process can be blended with cotton fibers and processed in a cotton spinning system, which has a high production rate. For the structural property of the wool...
