376 Result(s)
within
Sung** Lee
Characterization and Evaluation of Materials
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Article
Rheological and light scattering analyses for characterizing phase separation of polymer solutions in lithium-ion battery separator coating system
Nonsolvent-induced phase separation is a widely used technique in the manufacture of polymeric separators. This method involves fine-tuning porous structures through the phase separation of polymer solutions i...
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Article
Open AccessToward ultraflexible organic electronic devices
In recent decades, organic electronics have progressed remarkably, owing to their exceptional mechanical and electrical properties. The development of ultraflexible organic electronics has opened up possibilit...
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Article
Development of a certified reference material for the accurate analysis of the acrylamide content in infant formula
A certified reference material (CRM), KRISS CRM 108–02-006, was developed for the accurate analysis of low levels of acrylamide in infant formula matrices. The CRM is an infant formula fortified with acrylamid...
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Article
Effect of Process-Gas Composition on In-Flight and Deposition Characteristics of Atmospheric Plasma-Sprayed Ni Particles
In-flight particle characteristics, such as velocity and temperature, are of great importance when utilizing atmospheric plasma spraying because they determine the coating quality. Here, a numerical model that...
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Article
Open AccessQuantification of venadaparib, a novel PARP inhibitor, in the rat and dog plasma using liquid chromatography/tandem mass spectrometry
Venadaparib (VEN), a next-generation inhibitor of poly (ADP-ribose) polymerases, is under development for oral use in patients having cancers with deoxyribonucleic acid repair defects. The objective of this st...
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Article
Relationship between crosslinking structure and tensile properties of a double network nano-composite hydrogel
A double network nanocomposite hydrogel was prepared using a random copolymer with 2-Acrylamido-2-methylpropanesulfonic acid (AMPS) and dimethyl acrylamide (DMAAm) as the first network and acrylamide monomer (...
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Article
Open AccessDevelopment of a certified reference material for the analysis of vitamins in multivitamin tablets
Multivitamin tablet certified reference material (CRM, 108-10-019) was developed for the analysis of seven water-soluble vitamins, including thiamine, riboflavin, nicotinamide, pantothenic acid, pyridoxine, bi...
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Article
Comparative evaluation of indirectly heated cathode DC ion source and inductively coupled plasma RF ion source for high current ion implanter
In this study, an inductively coupled plasma (ICP) ion source applicable to the high current implanter for semiconductors was developed and physical properties were evaluated. The ion densities of the ICP ion ...
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Article
DNA micelle-templated copper nanoclusters for fluorescent imaging of MUC1-positive cancer cells
DNA micelles formed by hydrophobic, self-assembly of amphiphilic DNA monomers have enormous potential in biological imaging owing to its unique and programmable, three-dimensional nanostructure. Herein, we rat...
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Article
The Effect of Bias Stress on the Performance of Amorphous InAlZnO-Based Thin Film Transistors
In amorphous InAlZnO (a-IAZO), the addition of the third cation of Al further slows the crystallization kinetics of In2O3 and enhances amorphous phase stability, compared to the binary cation system of InZnO. In ...
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Article
T7 Endonuclease I-mediated voltammetric detection of KRAS mutation coupled with horseradish peroxidase for signal amplification
Rapid and selective sensing of KRAS gene mutation which plays a crucial role in the development of colorectal, pancreatic, and lung cancers is of great significance in the early diagnosis of cancers. In the curre...
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Article
Study on the Relationship Between Sulfide Capacity and Viscosity of Aluminosilicate Slag from an Ionic Structural Point of View
The present study was carried out to understand the correlation between viscosity and sulfide capacity of aluminosilicate slag from the viewpoint of ionic structure of the slag. Viscosity and sulfide capacity ...
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Article
Salt sensitivity of low solid content bentonite suspension as influenced by lignocellulosic nanomaterial and polyanionic cellulose
Effectiveness of lignocellulose nanomaterials and polyanionic cellulose (PAC) on microstructure, rheology, filtration, and salt tolerance performance of bentonite (BT) water-based fluid under two saline condit...
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Article
Oxidation Behavior of (W, Re)-Bearing Single Crystal Nickel-Base Superalloys
Four kinds of single-crystal Ni-base superalloys (12Ta–7.5Cr–5Co–4.8Al–1.9Mo–1Ti, balance Ni in wt%) containing (0–3) wt%W and (1–4) wt%Re were cast, and oxidized at 1000 °C for up to 275 h in air. In the as-c...
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Article
Impurity Removal and Microstructural Analysis of Inconel 718 Refined by Hydrogen Plasma Arc Melting
The high-temperature melting and the removal of gaseous and metallic impurities from Inconel 718 by hydrogen plasma arc melting (HPAM) were investigated. Solid-type Inconel 718 scraps were used as raw material...
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Article
Polyacrylonitrile-based carbon nanofibers as a matrix for laser desorption/ionization time-of-flight mass spectrometric analysis of small molecules under both positive and negative ionization modes
Carbon fiber (CNF), prepared by carbonization of electrospun polyacrylonitrile (PAN) fibers, is systematically investigated as a mediator to replace conventional organic matrices for matrix-assisted laser deso...
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Article
Effect of the Difference in Strength of Hard and Soft Components on the Synergetic Strengthening of Layered Materials
Heterogeneous structured materials achieve a combination of high strength and extreme ductility due to synergetic strengthening driven by conditions in the interfacial region. Although the origin of synergetic...
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Article
Carbide Formation and Matrix Strengthening by Nb Addition in Austenitic Stainless Cast Steels Used for Turbo-Charger-Housing Materials
In order to increase the exhaust-gas temperature of austenitic stainless cast steels used for turbo-charger-housings up to 1050 °C, the more excellent high-temperature strength should be obtained because it wo...
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Article
Open AccessQuantitative analyses of essential fatty acids in cereals and green vegetables by isotope dilution-gas chromatography/mass spectrometry
Abstract
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Article
PdCu Single Atom Alloys for the Selective Oxidation of Methanol to Methyl Formate at Low Temperatures
The selective catalytic oxidation of methanol to methyl formate (MF) has been considered as an attractive route to produce MF, an important precursor in the chemical industry. Although supported Pd nanoparticl...
