Jiyoung Yoon

ORCID: 0000-0003-2266-0803
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About
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Research Areas
  • Radiomics and Machine Learning in Medical Imaging
  • Thyroid Cancer Diagnosis and Treatment
  • Silicon Carbide Semiconductor Technologies
  • AI in cancer detection
  • Thin-Film Transistor Technologies
  • Semiconductor materials and devices
  • Silicon and Solar Cell Technologies
  • Ovarian cancer diagnosis and treatment
  • Colorectal and Anal Carcinomas
  • Electrostatic Discharge in Electronics
  • Global Cancer Incidence and Screening
  • 3D IC and TSV technologies
  • Electronic Packaging and Soldering Technologies
  • Radiation Dose and Imaging
  • Breast Cancer Treatment Studies
  • Advanced ceramic materials synthesis
  • Aluminum Alloys Composites Properties
  • MRI in cancer diagnosis
  • Food composition and properties
  • Biochemical and biochemical processes
  • Fiber-reinforced polymer composites
  • Fractal and DNA sequence analysis
  • Cancer-related Molecular Pathways
  • ECG Monitoring and Analysis
  • Phytase and its Applications

Yonsei University
2002-2025

Ewha Womans University
2025

Severance Hospital
2019-2024

Samsung (South Korea)
2003-2023

Korea Institute of Ceramic Engineering and Technology
2014-2016

Gyeongsang National University
2005

In women with a personal history of breast cancer, postoperative surveillance MRI was associated lower odds advanced second cancer before and after propensity score matching.

10.1148/radiol.240119 article EN Radiology 2025-01-01

Background We aimed to assess if quantitative radiomic features can predict programmed death ligand 1 (PD‐L1) expression in advanced stage lung adenocarcinoma. Methods This retrospective study included 153 patients who had (>IIIA by TNM classification) adenocarcinoma with pretreatment thin section computed tomography (CT) images and PD‐L1 test results their pathology reports. Clinicopathological data were collected from electronic medical records. Visual analysis feature extraction of the...

10.1111/1759-7714.13352 article EN cc-by Thoracic Cancer 2020-02-11

Purpose To investigate whether a computer-aided diagnosis (CAD) program developed using the deep learning convolutional neural network (CNN) on neck US images can predict BRAF V600E mutation in thyroid cancer. Methods 469 cancers patients were included this retrospective study. A CAD recently CNN provided risks of malignancy (0–100%) as well binary results (cancer or not). Using program, we calculated risk based image each nodule (CAD value). Univariate and multivariate logistic regression...

10.1371/journal.pone.0242806 article EN cc-by PLoS ONE 2020-11-25

Lithium metal anodes (LMAs) are highly promising for high energy density batteries, but their practical application is limited by challenges such as dendrite formation, electrolyte depletion, and low coulombic efficiency (CE) due to the instability of native solid interphase (SEI) layer. Therefore, regulating Li-ion diffusion electron transport crucial overcoming these issues enhancing performance LMAs. This study introduces an inorganic-rich hybrid layer-coated carbon framework (IHL@CF) a...

10.1002/smll.202411527 article EN Small 2025-03-05

Background/Objectives: This study evaluated the role of a discrete multi-wavelength near-infrared spectroscopic (DMW-NIRS) imaging device for rapid breast lesion differentiation. Methods: A total 62 women (mean age, 49.9 years) with ultrasound (US)-guided biopsy-confirmed lesions (37 malignant, 25 benign) were included. handheld probe equipped five pairs light-emitting diodes (LEDs) and photodiodes (PDs) measured lesion-to-normal tissue (L/N) ratios four chromophores, THC (Total Hemoglobin...

10.3390/diagnostics15091067 article EN cc-by Diagnostics 2025-04-23

Background Accurate interpretation of chest radiographs requires years medical training, and many countries face a shortage professionals to meet such requirements. Recent advancements in artificial intelligence (AI) have aided diagnoses; however, their performance is often limited due data imbalance. The aim this study was augment imbalanced using generative adversarial networks (GANs) evaluate the clinical quality generated images via multi-center visual Turing test. Methods Using six...

10.1371/journal.pone.0279349 article EN cc-by PLoS ONE 2023-04-12

A simple algorithm using topological mapping has been developed for a real-time detection of the QRS complexes ECG signals. As measure complex energy, authors used from one dimensional sampled signals to two vectors. To describe change curvature, derive modified spatial velocity (MSV), MSV can locate more easily. The proposed consists very small C-language procedures which reliably recognize complexes. For evaluation MIT/BIH arrhythmia database. provides good performance, 99.58% rate...

10.1109/iembs.1996.647473 article EN 2002-12-24

Abstract We compared the diagnostic performances and unnecessary FNA rates of several guidelines modified versions using size threshold ACR TIRADS. Our Institutional Review Board approved this retrospective study waived requirement for informed consent all methods were performed in accordance with Declaration Helsinki. A total 1,384 thyroid nodules 1,301 patients definitive cytopathologic findings included. US categories assigned according to each guideline. applied suggested by TIRADS Kwak,...

10.1038/s41598-020-67543-z article EN cc-by Scientific Reports 2020-06-30

SiC single bulk crystals were grown using a high-temperature chemical vapor deposition (HTCVD) method, with SiH4 and hydrocarbons as the source materials. is pyrophoric gas, which frequently causes fatal accidents in experiments. In this study, therefore, we propose use of HTCVD method tetramethylsilane (TMS), cheap safe precursor, for growing crystals. Although TMS contains C four times more than Si its formula, stoichiometric layer was successfully synthesized from presence high...

10.1021/cg5008186 article EN Crystal Growth & Design 2014-09-19

Abstract Objectives To evaluate whether the quantitative abnormality scores provided by artificial intelligence (AI)-based computer-aided detection/diagnosis (CAD) for mammography interpretation can be used to predict invasive upgrade in ductal carcinoma situ (DCIS) diagnosed on percutaneous biopsy. Methods Four hundred forty DCIS 420 women (mean age, 52.8 years) via biopsy from January 2015 December 2019 were included. Mammographic characteristics assessed based imaging features...

10.1186/s13244-024-01673-0 article EN cc-by Insights into Imaging 2024-04-05

Tetramethylsilane (TMS) is a common liquid-phase precursor that used in the synthesis of β-SiC by chemical vapor deposition (CVD). At temperatures above 1500 °C, however, it has been shown C also formed together with SiC. In this study, based on thermodynamic modeling, we report successful single-phase SiC no evidence inclusion from TMS through CVD at over 1900 °C. X-ray diffraction data showed α-SiC phases are 2000 On basis these results, can be as for synthesis.

10.7567/apex.7.025501 article EN Applied Physics Express 2014-01-09

Abstract Thyroid nodules are a common clinical problem. Ultrasonography (US) is the main tool used to sensitively diagnose thyroid cancer. Although US non-invasive and can accurately differentiate benign malignant nodules, it subjective its results inevitably lack reproducibility. Therefore, provide objective reliable information for assessment, we developed CADx system that utilizes convolutional neural networks machine learning technique. The diagnostic performances of 6 radiologists 3...

10.1038/s41598-019-56395-x article EN cc-by Scientific Reports 2019-12-27

Deletion of chromosome 6q has frequently been observed in natural killer (NK) cell lymphomas. The aim this study, is to localize the commonly affected region and compare frequency loss heterozygosity (LOH) between peripheral T NK Eight cases lymphomas, not otherwise characterized (PTCL-NOC), 5 nasal-type NK/T lymphomas were enrolled for study. Twelve polymorphic markers covering regions from 6q13 6q24, according Entrez Database (National Center Biotechnology Information, NIH, Bethesta, MD),...

10.1080/1042819031000123410 article EN Leukemia & lymphoma/Leukemia and lymphoma 2003-01-01

In order to protect the electronic components of devices on a printed circuit board (PCB) against electromagnetic radiation, conductive shield-can or box is normally attached PCB covering components. particular, handheld are prone be subjected drop impact. This means that products would experience significant amount out-of-plane deformation along PCB, which may cause stresses eventually resulting in solder joint failures. The could provide additional mechanical strength and minimize...

10.1115/1.4007118 article EN Journal of Electronic Packaging 2012-07-23

To investigate preoperative magnetic resonance imaging (MRI) findings associated with resection margin status in patients invasive lobular carcinoma (ILC) who underwent breast-conserving surgery.One hundred and one ILC MRI were included. (tumor size, multifocality, type of enhancing lesion, distribution non-mass enhancement [NME], degree background parenchymal enhancement) clinicopathological features (age, pathologic tumor presence ductal situ [DCIS] or situ, lymph node metastases, estrogen...

10.3348/kjr.2019.0674 article EN cc-by-nc Korean Journal of Radiology 2020-01-01

In order to protect electronic components on a Printed Circuit Board (PCB) against electromagnetic radiation/wave, shielding in the form of an electrically conductive shield-can or box is normally attached PCB covering components. The could provide additional mechanical strength and minimize out-of-plane deformation especially where package located. this study, both dynamic responses characteristic life solder joints with respect different designs were investigated. level drop tests...

10.1109/itherm.2010.5501286 article EN 2010-06-01

The purpose of this study is to identify the factors that constitute a memorable experience for travelers in gastronomy tourism sector using Strategic Experience Modules (SEMs). For purpose, we conducted qualitative research method literature review, FGI, and Delphi survey derive 41 items from five components: sensory, affect, intellectual, behavioral, social dimensions. Sensory experiences have been identified as important forming memories, not only through senses, such taste smell food,...

10.20878/cshr.2024.30.9.008 article EN Culinary Science & Hospitality Research 2024-09-30
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