86 Result(s)
within
Dae Young Lee
English
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Article
Open AccessSensor organic light-emitting diode display, combining fingerprint and biomarker capturing
Display has been evolving its role as a conventional optical output device into an user interactive input and output device by harnessing various sensors and taking full advantage of its user interaction frien...
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Article
Open AccessEnergetic particle flux measurements from the Korean space weather monitor particle detector: a comparative study with the MPS-HI onboard GOES-16
The Korean space weather monitor (KSEM) aboard the GEO-KOMPSAT-2A (GK2A) has been continuously measuring energetic particle flux in geostationary orbit at 128.2°E longitude since July 2019. The particle detect...
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Article
Extracts of Phlomoides umbrosa Turczaninow alleviate allergic airway inflammation in lipopolysaccharide-stimulated RAW 264.7 cells and ovalbumin-induced hyper-responsiveness mouse model
Phlomoides umbrosa Turczaninow (PU), a traditional Korean medicinal herb, exhibits osteogenic and anti-inflammatory effects. This research explored the effect of PU extracts on hyperimmune responses within the re...
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Article
Open AccessMetabolomics reveals that Curcuma longa and demethoxycurcumin inhibit HCT116 human colon cancer cell growth
Studies on the use of natural products to treat cancer are ongoing, and turmeric (Curcuma longa L.), a medicinal crop, is known for various effects including anticancer activity. In this study, the inhibitory eff...
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Article
Open AccessEvaluation of obesity prevention effect of black ginseng on serum, liver, and hypothalamus of mice on a high-fat diet using a metabolomics approach
Black ginseng is being studied to prevent obesity caused by a high-fat diet (HFD). The aim of this study was to evaluate the obesity-preventing effect of black ginseng extract (BGE) in the serum, liver, and hy...
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Article
Open AccessGras** through dynamic weaving with entangled closed loops
Pick-and-place is essential in diverse robotic applications for industries including manufacturing, and assembly. Soft grippers offer a cost-effective, and low-maintenance alternative for secure object graspin...
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Article
Scaling up the sub-50 nm-resolution roll-to-roll nanoimprint lithography process via large-area tiling of flexible molds and uniform linear UV curing
While roll-to-roll nanoimprint lithography (R2R NIL) can be capitalized in highly scalable fabrication of nanopatterns, preparation of large-area flexible molds remains the main challenge. In this work, we dem...
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Article
Open AccessThe ethanolic extract of Curcuma longa grown in Korea exhibits anti-neuroinflammatory effects by activating of nuclear transcription factor erythroid-2-related factor 2/heme oxygenase-1 signaling pathway
Curcuma longa has been used as spices, food preservative, coloring material, and traditional medicine. This plant also has long been used for a variety of diseases including dyslipidemia, stomach disorders, arthr...
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Article
Analysis of Application of Small-Cell and D2D Communication Technology to Improve Performance in 5G Communication Environment
The current development of mobile communication devices and the use patterns of these devices feature streaming services based on videos rather than services based on text data, images, and voice, as emphasize...
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Article
Open AccessAnti-inflammatory components isolated from Atractylodes macrocephala in LPS-induced RAW264.7 macrophages and BV2 microglial cells
The phytochemical investigation on the methanol extract of the rhizomes of Atractylodes macrocephala resulted in the discovery of one new compound 9α-hydroxyatractylenolide (1) and 21 known compounds including at...
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Article
Open AccessCorrection to: New phenylalkanoids from the rhizome of Cnidium officinalis Makino
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Chapter and Conference Paper
Elucidation and Analysis of Specification Patterns in Aerospace System Telemetry
Experimental aerospace projects often require flight vehicle platforms for testing, such as high-altitude balloons, sounding rockets, unmanned aerial systems (UAS), and CubeSats. The system telemetry transmitt...
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Article
Open AccessNew phenylalkanoids from the rhizome of Cnidium officinalis Makino
Cnidium officinalis rhizomes were immersed in 80% MeOH. The extract was fractionated to water, n-butanol, and ethyl acetate fractions (Fr). Open column chromatography was repeatedly carried out on n-butanol and e...
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Article
Open AccessCharacteristics of Suprathermal Electrons in Small-Scale Magnetic Flux Ropes and Their Implications on the Magnetic Connection to the Sun
Small-scale magnetic flux ropes (SMFRs) are observed more frequently than larger-scale magnetic flux ropes (e.g., magnetic clouds) in interplanetary space. We selected 235 SMFRs by applying cylindrical linear ...
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Article
Open AccessNew dibenzocyclooctadiene lignan from Schisandra chinensis (Turcz.) Baill. fruits
Repeated column chromatography using Sephadex LH-20, silica gel (SiO2), and octadecyl SiO2 (ODS) as well as preparative HPLC column chromatography led to isolation of a new dibenzocyclooctadiene lignan along with...
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Article
Open AccessCorrection to: Dibenzocyclooctadiene lignans from the fruits of Schisandra chinensis and their cytotoxicity on human cancer cell lines
An amendment to this paper has been published and can be accessed via the original article.
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Article
Open AccessMachine learning for a rapid discrimination of ginseng cultivation age using 1H-NMR spectra
The scientific and systematic classification of cultivation age is important for preventing age falsification and ensuring the quality of ginseng. Therefore, we applied deep learning to classify the cultivatio...
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Article
Simultaneous Influence of Whistler-Mode Chorus and EMIC Waves on Electron Loss in the Earth’s Radiation Belt
Whistler-mode chorus and electromagnetic ion cyclotron waves have long been considered major causes of electron flux changes in the Earth’s outer radiation belt. Here, we report an ideal observation event from...
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Article
Open AccessDibenzocyclooctadiene lignans from the fruits of Schisandra chinensis and their cytotoxicity on human cancer cell lines
Repeated chromatographic separations of the EtOAc fraction of Schisandra chinensis fruits on silica gel, octadecyl silica gel, and Sephadex LH-20 led to the isolation and identification of seven dibenzocyclooctad...
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Article
Open AccessThe effect of knee joint rotation in the sagittal and axial plane on the measurement accuracy of coronal alignment of the lower limb
Although the measurement of coronal alignment of the lower limb on conventional full-length weight-bearing anteroposterior (FLWAP) radiographs was reported to be influenced by the knee joint rotation, no compa...
