44 Result(s)
within
** Kuk Kim
Chemistry
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Article
Process Design and Economic Assessment of Biomass-Based Hydrogen Production Processes
The development of hydrogen energy is in progress as one of the key paths for achieving net-zero and carbon–neutral society. Significant attention is currently being paid to pathways for biomass-based hydrogen...
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Article
Process Integration and Design of Amino Acid Purification Processes for Energy Savings: An Industrial Case Study
Energy minimization study is applied to an amino acids downstream process for L-methionine production currently in operation and energy-saving options that can be implemented in practice are systematically ide...
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Article
Analytic Method for the Design and Analysis of Geothermal Energy-Integrated Space Heating and Cooling Systems
Novel analytic modeling and design method is proposed for the analysis of geothermal-integrated energy systems which provide space heating and cooling. Rather than building a complex optimization framework, an...
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Article
Controlling anisotropic properties by manipulating the orientation of chiral small molecules
Chiral π-conjugated molecules bring new functionality to technological applications and represent an exciting, rapidly expanding area of research. Their functional properties, such as the absorption and emission ...
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Article
MEAM potential–based MD simulations of melting transition on Ni surfaces
Based on the modified embedded atom method (MEAM) potential suggested by ** et al. (Appl. Phys. A120: 189, 2015), the molecular dynamics (MD) simulations were adopted to investigate the melting transition of ...
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Article
Process modeling and design of reverse osmosis membrane system for seawater desalination
Reverse osmosis desalination membranes can be utilized to purify seawater creating clean water. To meet purity requirements multiple membrane modules are typically required and the configuration should be chos...
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Influence of the sorption pressure and K2CO3 loading of a MgO-based sorbent for application to the SEWGS process
MgO-based sorbents were prepared by impregnation with K2CO3 at different loadings. This study examined the CO2 absorption and regeneration properties of MgO-based sorbents at various pressures. The CO2 capture ca...
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Article
Facile preparation of hydrogenated nitrile butadiene rubber/reduced graphene oxide nanocomposite with one-pot reduction approach via the latex way
The carbon–carbon double bonds (C=C) and graphene oxide (GO) in nitrile butadiene rubber (NBR) latex were reduced simultaneously by a novel one-pot to prepare the hydrogenated nitrile butadiene rubber/reduced ...
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Article
Kinetics of hydrogenation of acrylonitrile butadiene rubber: a latex-based in situ and low-temperature approach
The kinetics of hydrogenation of acrylonitrile butadiene rubber (NBR) latex by the action of diimide generated by hydrazine hydrate and hydrogen peroxide in the presence of copper sulfate at low temperature wa...
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Article
Poly-l-lactide Polymer-Based Triple Drug-Eluting Stent with Abciximab, Alpha-Lipoic Acid and Sirolimus in Porcine Coronary Restenosis Model
This study evaluated the effect of a novel triple drug-eluting stent containing antithrombotic abciximab, antioxidative alpha-lipoic acid (ALA), and antiproliferative sirolimus in a porcine model. The coronary...
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Article
Antihypertensive effects of Korean wild simulated ginseng (Sanyangsam) extracts in spontaneously hypertensive rats
Ginseng possesses a wide spectrum of medicinal effects and has widely been used in traditional medicine for thousands of years. In this study, the antihypertensive effect of Korean wild simulated ginseng in sp...
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Article
Graphene/carbon nanotubes-supported Ziegler-Natta catalysts for in situ synthesis of mechanically strong, thermally and electrically conductive trans-polyisoprene nanocomposite
Facile ball milling process is introduced here to prepare an efficient rGO/CNT/MgCl2 supported Ti-based Ziegler-Natta catalyst, for in situ polymerization of isoprene and simultaneous production of rGO/CNT based ...
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Article
A Facile Approach towards Fabrication of Electrospun Nanofibrous Mats based Multicompartment Wound Dressing Fabric
We have designed an efficient wound dressing fabric consisting of physically attached multicompartment (three layers) electrospun nanofibrous mats. Electrospining technique enables abundant porosity and large ...
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Article
Antioxidant properties of Korean major persimmon (Diospyros kaki) leaves
Persimmon is one of the most common native fruits of South Korea and its leaves are well known to be used in pharmaceuticals, cosmetics as well as beverages. The aim of this study was to compare the antioxidan...
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Article
Long-term preclinical evaluation of bioabsorbable polymer-coated drug-eluting stent in a porcine model
Bioabsorbable polymer-based drug-eluting stents have been shown to be effective and safe in the actual practice. The objective of the present study was to evaluate a biodegradable poly-L-lactic acid (PLLA)-bas...
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Article
Evaluation the separation performance of various gases for polysulfone hollow fiber membrane module as a function of stage cut
The high pressure hollow fiber membrane module consisting of polysulfone for gas separation field was successfully fabricated. The fabricated hollow fiber was used to confirm the permeance of various gases. Th...
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Article
Thermal, mechanical, impact, and water absorption properties of novel silk fibroin fiber reinforced poly(butylene succinate) biocomposites
Novel silk fibroin fiber reinforced poly(butylene succinate) (PBS) biocomposites have been developed by twin-screw extrusion and injection molding processes, varying the fiber content from 10 to 40 % by weight...
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Article
Optimal coating method for a dual-layer stent with sirolimus and alpha-lipoic acid in a porcine coronary restenosis model
The aim of this study was to evaluate the optimal method for coating a double-layer polymer coronary stent with sirolimus and alpha-lipoic acid (ALA) in a porcine coronary overstretch restenosis model. Pigs we...
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Article
A brief review on the chemical modifications of lignocellulosic fibers for durable engineering composites
A brief review has been presented on the existing methods to enhance the durability of lignocellulosic fibers (LCFs) for manufacturing composites for engineering applications. The free hydroxyl groups of the c...
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Article
A design procedure for heat-integrated distillation column sequencing of natural gas liquid fractionation processes
The separation of NGL (natural gas liquids) in gas processing is energy-intensive, requiring systematic process design and optimization to reduce energy consumption and to identify cost-effective solutions for...
