25 Result(s)
within
Nanotechnology
**joo Park
Article
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Article
The effect of heteroatoms and temperature ram** rate on pyrolysis of coal tar pitch for high value of β-resin
Coal tar pitch is a raw material that can be made from various carbon materials such as activated carbon, carbon fiber, and artificial graphite through heat treatment. In particular, it is an important raw mat...
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Sustained Release of Doxorubicin through Semi-Interpenetrating Polymer Network-Stabilized Micelles
Develo** effective drug delivery systems plays an important role in improving the therapeutic outcomes of anticancer agents. In this study, we investigated the potential of a micellar delivery system modifie...
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Open AccessReal-time monitoring of serotonin with highly selective aptamer-functionalized conducting polymer nanohybrids
Adequate serotonin levels are pivotal to human well-being; thus, serotonin can be used as a biomarker because it regulates a wide range of physical and psychological functions. As an imbalance of serotonin is ...
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Synergistically integrated phosphonated poly(pentafluorostyrene) for fuel cells
Modern electrochemical energy conversion devices require more advanced proton conductors for their broad applications. Phosphonated polymers have been proposed as anhydrous proton conductors for fuel cells. Ho...
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Rapid conjunction of 1D carbon nanotubes and 2D graphitic carbon nitride with ZnO for improved optoelectronic properties
Conjunction of 1D as well as 2D carbonaceous materials (CMs) is of great importance because of the significant improvement in the optoelectronic properties. Through extensive optimization, a rapid, facile and ...
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Strategic separation of metal sulfides from residual wet-chemical precursors for synchronous production of pure water and nanostructured photocatalysts
Pseudo successive ionic layer adsorption and reaction (p-SILAR) is an emerging technique for deposition of quantum dots (QDs) on a variety of nanoparticles (NPs); however, it has a limitation of wastage of water-...
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Sulfur Incorporation at Interface Between Atomic-Layer-Deposited Al2O3 Thin Film and AlGaN/GaN Heterostructure
Surface incorporation at the interface between atomic-layer-deposited Al2O3 thin film and AlGaN/GaN heterostructure was studied based on the understanding of charge configuration and electronic band structure thr...
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Correction to: Thermodynamic Study on MgO Solubility in High-Alumina-Content Slag System
In the original article, the project number under Acknowledgements section is incorrect which is now corrected in this erratum. The correct statement should read as follows.
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Phase Transformations and Microstructural Development in the U-10 Wt Pct Mo Alloy with Varying Zr Contents After Heat Treatments Relevant to the Monolithic Fuel Plate Fabrication Process
Decomposition of metastable, isotropic, body-centered cubic γ-phase in the U-10 wt pct Mo alloys with varying Zr contents was investigated as function of heat treatment parameters (i.e., temperature and time) rel...
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Thermodynamic Study on MgO Solubility in High-Alumina-Content Slag System
In the current study, the MgO solubility in molten slag was measured to clarify the effect of basicity and Al2O3 content on the MgO solubility equilibrating with the spinel solid phase in the CaO-SiO2-Al2O3 syste...
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Graphene quantum dots prevent α-synucleinopathy in Parkinson’s disease
Graphene quantum dots inhibit the formation of alpha-synuclein fibrils and induce their dissociation in vitro, and display neuro-protective properties in in vivo models of Parkinson’s disease, with no apprecia...
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Effect of Iron Redox Equilibrium on the Foaming Behavior of MgO-Saturated Slags
In this study, the foaming index of CaO-SiO2-FetO and CaO-SiO2-FetO-Al2O3 slags saturated with MgO was measured to understand the relationship between their foaming behavior and physical properties. The foaming i...
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A Structural Study on the Foaming Behavior of CaO-SiO2-MO (MO = MgO, FeO, or Al2O3) Ternary Slag System
The foaming index of the CaO-SiO2-MO (MO = MgO, FeO, or Al2O3) ternary slag system with a fixed CaO/SiO2 ratio is measured to understand the effect of the ionic structure. At 1773 K (1500 °C), the foaming index o...
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Open AccessVertical-Injection AlGaInP LEDs with n-AlGaInP Nanopillars Fabricated by Self-Assembled ITO-Based Nanodots
The light output power of AlGaInP-based vertical-injection light-emitting diodes (VI-LEDs) can be enhanced significantly using n-AlGaInP nanopillars. n-AlGaInP nanopillars, ~200 nm in diameter, were produced u...
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Open AccessPreparation of superhydrophobic and transparent micro-nano hybrid coatings from polymethylhydroxysiloxane and silica ormosil aerogels
Superhydrophobic and transparent polymethylhydroxysiloxane (PMHOS)/silica ormosil aerogel hybrids were prepared successfully by mixing of PMHOS with various weight percentages of silica ormosil aerogels (as sy...
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Micropillar array embedded system for single cell encapsulation in hydrogel
A cylindrical-shaped micropillar array embedded microfluidic device was proposed to enhance the dispersion of cell clusters and the efficiency of single cell encapsulation in hydrogel. Different sizes of micro...
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Open AccessInterface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells
Aluminum-doped zinc oxide (ZnO:Al) [AZO] is a good candidate to be used as a transparent conducting oxide [TCO]. For solar cells having a hydrogenated amorphous silicon carbide [a-SiC:H] or hydrogenated amorph...
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Pre-wetting process with helium atmospheric pressure glow discharge for three-dimensional porous scaffold
Recently, three-dimensional polymer scaffolds were developed for tissue regeneration. Conventional pre-wetting processes require a lengthy processing time and have residue problems. In this study, a helium atm...
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Enhanced cellular responses of vascular endothelial cells on poly-γ-glutamic acid/PU composite film treated with microwave-induced plasma at atmospheric pressure
Poly-γ-glutamic acid (γ-PGA), which is produced by microbial fermentation, is a biodegradable, hydrophilic and non-toxic biomaterial. γ-PGA has many carboxyl groups that makes it a polyanionic biopolymer with swe...
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Homogeneity of the superplastic Zr64.13Cu15.75Ni10.12Al10 bulk metallic glass
A recent report on the “room temperature superplasticity” in the Zr64.13Cu15.75Ni10.12Al10 bulk metallic glass [Y.H. Liu et al., Science 315, 1385 (2007)] was ascribed to the distinctive micrometer-sized structur...
