304 Result(s)
within
Sung** Lee
Nanotechnology
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Article
Open AccessMicrofluidics for disease diagnostics based on surface-enhanced raman scattering detection
This review reports diverse microfluidic systems utilizing surface-enhanced Raman scattering (SERS) detection for disease diagnosis. Integrating SERS detection technology, providing high-sensitivity detection,...
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Open AccessNon-planar graphene directly synthesized on intracavity optical microresonators for GHz repetition rate mode-locked lasers
Generation of high-speed laser pulses is essential for sustaining today’s global, hyper-connected society. One approach for achieving high spectral and temporal purity is to combine optical nonlinear materials...
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In situ self-assembly for cancer therapy and imaging
In situ self-assembly — the in situ formation of complex materials via biochemical reactions of monomers — has enhanced the efficacy of drug delivery for cancer therapy and imaging. So far, nanomedicine has be...
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Open AccessCurrent status and further development of deterministic lateral displacement for micro-particle separation
Deterministic lateral displacement (DLD) is a passive, label-free, continuous-flow method for particle separation. Since its discovery in 2004, it has been widely used in medical tests to separate blood cells,...
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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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Open AccessTwo-Terminal Lithium-Mediated Artificial Synapses with Enhanced Weight Modulation for Feasible Hardware Neural Networks
The Li-mediated artificial synapses with a vertical two-terminal configuration capable of various synaptic behaviors, including bio-plausible synaptic plasticity, were successf...
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Article
Open AccessAnisotropy of impact ionization in WSe2 field effect transistors
Carrier multiplication via impact ionization in two-dimensional (2D) layered materials is a very promising process for manufacturing high-performance devices because the multiplication has been reported to ove...
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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
Electrochemically induced amorphous-to-rock-salt phase transformation in niobium oxide electrode for Li-ion batteries
Intercalation-type metal oxides are promising negative electrode materials for safe rechargeable lithium-ion batteries due to the reduced risk of Li plating at low voltages. Nevertheless, their lower energy an...
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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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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
Open AccessRational design of photocatalysts for ammonia production from water and nitrogen gas
Photocatalytic N2 reduction has emerged as one of the most attractive routes to produce NH3 as a useful commodity for chemicals used in industries and as a carbon-free energy source. Recently, significant progres...
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Article
Open AccessTwo-dimensional iodine-monofluoride epitaxy on WSe2
Interhalogen compounds (IHCs) are extremely reactive molecules used for halogenation, catalyst, selective etchant, and surface modification. Most of the IHCs are unstable at room temperature especially for the...
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Article
Open AccessSkyrmion Phase in MnSi Thin Films Grown on Sapphire by a Conventional Sputtering
Topologically protected chiral skyrmions are an intriguing spin texture that has attracted much attention because of fundamental research and future spintronic applications. MnSi with a non-centrosymmetric str...
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Article
Forecast of Adiabatic Shear Band Formation in Two Commercial Ultra-high-Strength Armor Steels by Split Hopkinson Pressure Bar
Formation possibilities of adiabatic shear bands (ASBs) or cracks in two commercial ultra-high-strength armor steels composed of martensite were evaluated by a split Hopkinson pressure bar so that a plausible ...
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Article
Polymeric Conformation of Organic Interlayers as a Determining Parameter for the Charge Transport of Organic Field-Effect Transistors
Here, we systematically investigated the effects of different carbon numbers or alkyl chain lengths of organic SAM interlayers on electrical properties of poly (dioctyl-quaterthiophenedioctyl-bithiazole) (PDQD...
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Article
Homogeneity in the Microwave Surface Resistance of Large YBa2Cu3O7−δ Superconductor Films Coated with Au
We studied homogeneity in the microwave surface resistance of Au-coated YBa2Cu3O7−δ (Au/YBCO) films. The Au/YBCO film with 4-inches in diameter was prepared in-situ with the thicknesses of 68 nm and 365 nm for th...
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Article
pH-Sensitive Polymeric Micelles as the Methotrexate Carrier for Targeting Rheumatoid Arthritis
An amphiphilic graft copolymer, composed of poly(β-amino ester)-graft-poly(ethylene glycol) (PAE-g-PEG), was prepared as the drug carrier for treatment of rheumatoid arthritis (RA). PAE-g-PEG was synthesized thro...
