Hyun Ji Kim

ORCID: 0000-0003-1965-9406
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Research Areas
  • Magnesium Alloys: Properties and Applications
  • Aluminum Alloys Composites Properties
  • Healthcare Education and Workforce Issues
  • Aluminum Alloy Microstructure Properties
  • Education and Learning Interventions
  • Health and Wellbeing Research
  • Health and Well-being Studies
  • Hydrogen Storage and Materials
  • MRI in cancer diagnosis
  • Nutrition, Health and Food Behavior
  • Advanced Chemical Sensor Technologies
  • Smoking Behavior and Cessation
  • Analytical Chemistry and Sensors
  • Breast Lesions and Carcinomas
  • Nasal Surgery and Airway Studies
  • Consumer Perception and Purchasing Behavior
  • Educational Systems and Policies
  • Advanced Welding Techniques Analysis
  • Radiomics and Machine Learning in Medical Imaging
  • Gas Sensing Nanomaterials and Sensors
  • Agriculture, Soil, Plant Science
  • Axon Guidance and Neuronal Signaling
  • Metal and Thin Film Mechanics
  • Healthcare and Venom Research
  • Diverse Approaches in Healthcare and Education Studies

Kyungpook National University
2004-2024

Dongguk University
2024

Ewha Womans University
2005-2024

Catholic Kwandong University
2024

Florida State University
2023

CJ CheilJedang (South Korea)
2023

Kyungpook National University Hospital
2022

Massachusetts General Hospital
2021

Harvard University
2021

Inje University Haeundae Paik Hospital
2020-2021

Abstract Genetically deregulated tumor cells generate vascular channels by vasculogenic mimicry (VM) that is independent of endothelial blood vessels. The morphological characteristics VM and the role EphA2 in formation were evaluated 144 clinical samples gastric adenocarcinoma AGS cancer cell line. It has long been believed consists PAS-positive basement membrane CD31/CD34-negative cells. Interestingly, we found luminal surface form showed reaction, involvement CD31/CD34-positive channels....

10.1038/s41598-019-40265-7 article EN cc-by Scientific Reports 2019-03-04

Energy insecurity poses a global challenge with far-reaching social equity and health implications. This paper provides comprehensive perspective on the relationship between energy outcomes in developed countries. Existing research has identified associations various physical mental outcomes. Moreover, climate change can exacerbate adverse consequences of insecurity, disproportionately affecting vulnerable populations. Based review existing literature, this identifies several knowledge gaps,...

10.3389/fsuep.2023.1231821 article EN cc-by Frontiers in Sustainable Energy Policy 2023-08-25

The effects of pre-existing {10–12} extension twins on the precipitation behavior an extruded AZ80 material during aging and its mechanical properties after peak are investigated. containing twins—which formed by compression before (twinned material)—has a finer grain size higher dislocation density than material. Although hardnesses twinned materials almost same, time to reach hardness is considerably shorter in former latter (4 h 24 h, respectively). In material, high promotes continuous...

10.1016/j.jma.2021.09.008 article EN cc-by-nc-nd Journal of Magnesium and Alloys 2021-10-22

This study investigates the effect of {10–12} deformation twins on continuous precipitation behavior an extruded Mg–8.0Al–0.5Zn–0.2Mn (AZ80) alloy during aging. The AZ80 is compressed along transverse direction to introduce twins, followed by aging treatment at 300 °C. material exhibits a twin-free microstructure with low internal strain energy, whereas pre-twinned possesses abundant and has high energy. results reveal that peak-aging time (1 h) one-eighth (8 h). Although Mg17Al12...

10.1016/j.jma.2023.08.019 article EN cc-by-nc-nd Journal of Magnesium and Alloys 2023-09-01

A recently developed Mg–5Bi–3Al (BA53, wt%) alloy exhibited remarkable extrudability despite its high alloying content. However, when subjected to high-speed extrusion with a die exit speed of 67 m/min, grain coarsening recrystallized grains occurs, increasing their size from 12.1 26.4 μm due excessive heat generation during extrusion. Herein, long-range water-cooling system is installed immediately after the mitigate and attain finer in extruded alloy. The results demonstrate that use...

10.1016/j.jmrt.2024.01.028 article EN cc-by-nc-nd Journal of Materials Research and Technology 2024-01-01

Background With the widespread use of PET/CT, incidental hypermetabolic foci unrelated to known malignancy have been described with increasing frequency. Purpose To determine frequency and clinical significance focal uptake in breast as detected by 18F-FDG explore factors differentiating benign malignant uptake. Material Methods From January 2005 June 2010, a total 51,971 whole-body FDG PET/CT examinations were performed our clinic. After excluding 7254 sets data from patients cancer, we...

10.1258/ar.2012.120015 article EN Acta Radiologica 2012-05-17

The aim of this study is to evaluate the effect acupotomy for treating patients with a herniated intervertebral disc (HIVD). This case series includes five HIVD who were treated at Department Acupuncture and Moxibustion, Daejeon University Dunsan Korean Hospital, Daejeon, Korea, from January 2015 April 2015. Acupotomy was performed three times over 2-week period, along medical treatment. outcomes evaluated by using numeric rating scale (NRS), physical examination, Oswestry Low Back Pain...

10.1016/j.jams.2015.09.001 article EN cc-by-nc-nd Journal of Acupuncture and Meridian Studies 2015-10-05

Background To minimize the inflammatory reaction and improve healing, a new modified dermal substitute composed of an atelocollagen, chondroitin-6-sulfate, amniotic membrane (AM) was applied to full-thickness skin defects in pig. Atelocollagen extracted from bovine skin, two substitutes were generated according cross-linking type. Methods The AM-collagen characterized compared with currently used pig defect model. There five experimental groups: dehydrothermal (DHT) atelocollagen AM on top...

10.5999/aps.2013.40.1.11 article EN cc-by-nc Archives of Plastic Surgery 2013-01-01
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