213 Result(s)
within
Jeon-** Choi
Science, Humanities and Social Sciences, multidisciplinary
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Article
Open AccessKidney, ureter, and urinary bladder segmentation based on non-contrast enhanced computed tomography images using modified U-Net
This study was performed to segment the urinary system as the basis for diagnosing urinary system diseases on non-contrast computed tomography (CT). This study was conducted with images obtained between Januar...
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Article
Open AccessEmergence of flat bands and ferromagnetic fluctuations via orbital-selective electron correlations in Mn-based kagome metal
Kagome lattice has been actively studied for the possible realization of frustration-induced two-dimensional flat bands and a number of correlation-induced phases. Currently, the search for kagome systems with...
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Article
Open AccessRemimazolam-flumazenil provides fast recovery from general anesthesia compared to propofol during radiofrequency catheter ablation of atrial fibrillation
The optimal anesthetic agent for radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) and its impact on the recovery profiles remain uncertain. We compared the recovery and hemodynamic parameter...
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Open AccessMoisture-induced power generator fabricated on a lateral field-excited quartz resonator
We fabricated a moisture-induced power generator on a lateral field-excited quartz resonator to simultaneously measure changes in mass and voltage generation during water vapor adsorption. Circularly interdigi...
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Open AccessPreoperative smoking and robot-assisted radical cystectomy outcomes & complications in multicenter KORARC database
To investigate the influence of preoperative smoking history on the survival outcomes and complications in a cohort from a large multicenter database. Many patients who undergo radical cystectomy (RC) have a h...
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Open AccessEfficient recovery and recycling/upcycling of precious metals using hydrazide-functionalized star-shaped polymers
There is a growing demand for adsorption technologies for recovering and recycling precious metals (PMs) in various industries. Unfortunately, amine-functionalized polymers widely used as metal adsorbents are ...
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Article
Open AccessApplication of natural orifice transluminal endoscopic surgery with ENDOCRAB system for stomach perforation model: ex vivo porcine study
Iatrogenic stomach perforation is a detrimental, irreversible, and fatal condition. Traditional surgery and endoscopic suturing clips and devices have been introduced to seal holes and prevent sepsis and disea...
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Article
Open AccessExperimental realization of entangled coherent states in two-dimensional harmonic oscillators of a trapped ion
Entangled coherent states play pivotal roles in various fields such as quantum computation, quantum communication, and quantum sensing. We experimentally demonstrate the generation of entangled coherent states...
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Open AccessHigh figure-of-merit for ZnO nanostructures by interfacing lowly-oxidized graphene quantum dots
Thermoelectric technology has potential for converting waste heat into electricity. Although traditional thermoelectric materials exhibit extremely high thermoelectric performances, their scarcity and toxicity...
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Article
Open AccessPreoperative DLco and FEV1 are correlated with postoperative pulmonary complications in patients after esophagectomy
Limited information is available regarding the association between preoperative lung function and postoperative pulmonary complications (PPCs) in patients with esophageal cancer who undergo esophagectomy. This...
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Open AccessEvaluation of retrieval accuracy and visual similarity in content-based image retrieval of chest CT for obstructive lung disease
The aim of our study was to assess the performance of content-based image retrieval (CBIR) for similar chest computed tomography (CT) in obstructive lung disease. This retrospective study included patients wit...
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Article
Open AccessTailoring tokamak error fields to control plasma instabilities and transport
A tokamak relies on the axisymmetric magnetic fields to confine fusion plasmas and aims to deliver sustainable and clean energy. However, misalignments arise inevitably in the tokamak construction, leading to ...
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Article
Open AccessNear-perfect sound absorption using hybrid resonance between subwavelength Helmholtz resonators with non-uniformly partitioned cavities
We present near-perfect sound absorption using a metasurface composed of meta-atoms (MAs) which are subwavelength Helmholtz resonators (HRs) with cavities non-uniformly partitioned by membranes. By embedding t...
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Open AccessMock-up performance evaluation study for crack reduction of blast furnace slag powder concrete mixed with expansive and swelling admixtures
In this study, the drying shrinkage and crack reduction characteristics of blast furnace slag concrete mixed with expansive and swelling admixtures were investigated. Basic performance experiments were conduct...
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Article
Open AccessChemically-defined and scalable culture system for intestinal stem cells derived from human intestinal organoids
Three-dimensional human intestinal organoids (hIO) are widely used as a platform for biological and biomedical research. However, reproducibility and challenges for large-scale expansion limit their applicabil...
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Open AccessDiscovery of a peripheral 5HT2A antagonist as a clinical candidate for metabolic dysfunction-associated steatohepatitis
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) is currently the leading cause of chronic liver disease worldwide. Metabolic Dysfunction-Associated Steatohepatitis (MASH), an advanced form of ...
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Article
Open AccessUnique adipose tissue invariant natural killer T cell subpopulations control adipocyte turnover in mice
Adipose tissue invariant natural killer T (iNKT) cells are a crucial cell type for adipose tissue homeostasis in obese animals. However, heterogeneity of adipose iNKT cells and their function in adipocyte turn...
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Article
Open AccessAutomatic diagnosis of true proximity between the mandibular canal and the third molar on panoramic radiographs using deep learning
Evaluating the mandibular canal proximity is crucial for planning mandibular third molar extractions. Panoramic radiography is commonly used for radiological examinations before third molar extraction but has ...
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Article
Open AccessDirect identification of interfacial degradation in blue OLEDs using nanoscale chemical depth profiling
Understanding the degradation mechanism of organic light-emitting diodes (OLED) is essential to improve device performance and stability. OLED failure, if not process-related, arises mostly from chemical insta...
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Open AccessSupernatant of activated platelet-rich plasma rejuvenated aging-induced hyposalivation in mouse
Hyposalivation is a common complaint among the elderly, but no established treatment prevents age-induced hyposalivation. Platelet derivatives such as platelet-rich plasma (PRP), platelet-rich fibrin (PRF), an...
