34 hasil untuk "Ji-In Kim"
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Petrogenesis and tectonic implications of the late Paleoproterozoic (ca. 1.7 Ga) post-collisional magmatism in the southwestern Gyeonggi Massif at Garorim Bay, South Korea
The Precambrian basement of the Gyeonggi Massif in the central Korean Peninsula consists mainly of Paleoproterozoic (2.0–1.8 Ga) gneisses. In this study, we present petrological, zircon U–Pb age and Hf isotope, and whole-rock geochemical and Sr–Nd–Pb isotope data for late Paleoproterozoic (ca. 1.7…
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Genetics Information with Functional Brain Networks for Dementia Classification
…provides various information regarding brain networks and is utilized in combination with genetic factors to distinguish people with AD from HCs. The most discriminating network nodes are identified using the least absolute shrinkage and selection operator (LASSO). The most common brain areas for…
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Classification of Alzheimer’s Disease Based on Core-Large Scale Brain Network Using Multilayer Extreme Learning Machine
Various studies suggest that the network deficit in default network mode (DMN) is prevalent in Alzheimer’s disease (AD) and mild cognitive impairment (MCI). Besides DMN, some studies reveal that network alteration occurs in salience network motor networks and large scale network. In this study we…
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Isolation and Characterization of Antifungal Metabolites from Pterocarpus santalinus against Fusarium graminearum Causing Fusarium Head Blight on Wheat
Fusarium head bight (FHB) is a devastating disease on major cereal crops worldwide which causes primarily by Fusarium graminearum. Synthetic fungicides are generally used in conventional agriculture to control FHB. Their prolonged usage has led to environmental issues and human health problems…
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Classification and Graphical Analysis of Alzheimer’s Disease and Its Prodromal Stage Using Multimodal Features From Structural, Diffusion, and Functional Neuroimaging Data and the APOE Genotype
…have been used previously for classification or discrimination of AD in subjects in a prodromal stage called stable MCI (MCIs), which does not convert to AD but remains stable over a period of time, and converting MCI (MCIc), which converts to AD, but the results reported across similar studies are…
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A Case of IgG4 Related Pachymeningitis
…only few reports of pachymeningeal involvement by IgG4 related disease in Korea. Case Report A 50-year-old woman was admitted due to generalized seizure and headache. Brain magnetic resonance imaging (MRI) showed nodular dural thickening and enhancement in the right frontal areas. A meningeal…
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Dataset-Aware Preprocessing for Hippocampal Segmentation: Insights from Ablation and Transfer Learning
Accurate hippocampal segmentation in 3D MRI is essential for neurodegenerative disease research and diagnosis. Preprocessing pipelines can strongly influence segmentation accuracy, yet their impact across datasets and in transfer learning scenarios remains underexplored. This study systematically…
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APOE ε4 as a predictor of cognitive decline and its interaction with hippocampal volume in Alzheimer’s disease
…modulates the hippocampal volume–cognition relationship longitudinally in sporadic Alzheimer’s disease remains underexplored at adequate statistical power.MethodsThis study analyzed data from 2,417 Alzheimer’s Disease Neuroimaging Initiative participants with complete APOE genotypes, intracranial…
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Implementation of QR Code Recognition Technology Using Smartphone Camera for Indoor Positioning
…wireless communication based on sensors and signals are commonly used in outdoor environments, the performance becomes degraded in indoor environments. Therefore, a vision-based indoor positioning method using a QR code is proposed in this study. A user’s position is measured by determining the…
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Attention-Enhanced Dual-Path CNN for Early Alzheimer’s Detection From Multi-Planar T1-Weighted MRI
…slices, often overlooking the diagnostic value of parasagittal views. In addition, many existing models lack attention mechanisms and multi-branch architectures, limiting their ability to capture both localized and contextual features. To overcome these limitations, we propose an attention-guided…
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IoT-Based Resource Control for In-Vehicle Infotainment Services: Design and Experimentation
A variety of in-vehicle infotainment (IVI) devices and services have been developed by many vehicle vendors and software companies, which include navigation systems, cameras, speakers, headrest displays, and heating seat. However, there has not been enough research on how to effectively control and…
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A Case of Chemical Meningitis Induced by Intrathecal Bupivacaine Injection
…fluid examination on the day of admission showed an increase in cell count (841/mm3; polymorphonuclear 78%: mononuclear 10%) and total protein (460 mg/dL). His clinical findings and laboratory abnormalities were consistent with the diagnosis of bupivacaine-induced chemical meningitis, rather than…
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A Resource-Efficient 3D U-Net for Hippocampus Segmentation Using CLAHE and SCE-3DWT Techniques
Hippocampus segmentation on MRI (magnetic resonance imaging) plays a vital role in detecting, diagnosing, tracking, and monitoring neurodegenerative diseases, particularly Alzheimer’s disease. While larger datasets often provide an advantage in deep learning-based segmentation, smaller datasets…
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Is spontaneous normalization of systolic blood pressure within 24 hours after ischemic stroke onset related with favorable outcomes?
Background: In acute ischemic stroke, blood pressure (BP) tends to rise initially and fall to a baseline level within 24–48 hours. Previous studies reported several different effects of BPs during acute ischemic stroke on clinical outcomes, which was partly due to the different time intervals from…
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Identification of Metal Contamination Sources and Evaluation of the Anthropogenic Effects in Soils near Traffic-Related Facilities
…analysis. More than half of the concentrations for Zn, Pb, and Cu in soils were higher than that in the natural background (NB). Cf of metals was, in decreasing order, Zn > Pb = Cu > Ni = As. Zn, Pb, and Cu were identified as anthropogenic contaminants in correlation analysis. Principal component…
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High prevalence of blaCTX-M-55-carrying Escherichia coli in both ceftiofur-use and non-use pig farms
…third-generation cephalosporin-resistant Escherichia coli in ceftiofur-use and non-use pig farms. A total of 585 E. coli isolates were collected from pig feces (n = 354) and farm environments (n = 231) across various farms between 2022 and 2023 in South Korea. Among them, 61% of E. coli from pigs…
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Rotational Subluxation Patterns on Stress Radiography and Clinical Relevance in PCL-Deficient Knees: A 2D-3D Registration Study
Background: There is distinct tibial subluxation in posterior cruciate ligament (PCL)–deficient knees on stress radiographs, including posteromedial and posterolateral subluxation. PCL injuries have been emphasized in previous literature to be frequently associated with posterolateral rotatory…