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  1. Article

    Open Access

    Predicting acute brain lesions on magnetic resonance imaging in acute carbon monoxide poisoning: a multicenter prospective observational study

    An acute brain lesion (ABL) identified by brain magnetic resonance imaging (MRI) after acute carbon monoxide (CO) poisoning is a strong prognostic factor for the development of delayed neuropsychiatric syndrom...

    Kyung Hun Yoo, Hyunggoo Kang, Jaehoon Oh, Tae Ho Lim, Yongil Cho in Scientific Reports (2023)

  2. No Access

    Article

    Guaranteed Soundness of Heavy Section Spheroidal Graphite Cast Iron Based on a Reliable C and Si Ranges Design

    Throughout the present study, guaranteed soundness of heavy section spheroidal graphite cast iron has been pursued by means of a reliable C and Si ranges design. For this purpose, the three main parameters of ...

    Jae-Hoon Nam, Sang-Mok Lee, Sang-Hwan Lee in Metals and Materials International (2023)

  3. No Access

    Article

    Numerical simulations of nano-particle’s drag forces using DSMC method for various Knudsen numbers

    In this study, high-vacuum flow was analyzed using the direct simulation Monte Carlo (DSMC) method, and various forces acting on fine particles in a high-vacuum flow field were studied. The DSMC method is a La...

    Sang Woo Shin, Sang Hwan Lee in Journal of Mechanical Science and Technology (2022)

  4. No Access

    Article

    Short-term Results of Transcatheter Arterial Embolization for Chronic Medial Epicondylitis Refractory to Conservative Treatment: A Single-Center Retrospective Cohort Study

    To evaluate the effectiveness and safety of transcatheter arterial embolization (TAE) for chronic medial epicondylitis (ME) refractory to conservative treatments.

    Jae Hwan Lee, Dong Hyun Kim, Sang Hwan Lee in CardioVascular and Interventional Radiology (2022)

  5. Article

    Correction to: Active weighted map**-based residual convolutional neural network for image classification

    Hyoungho Jung, Ryong Lee, Sang-Hwan Lee, Wonjun Hwang in Multimedia Tools and Applications (2021)

  6. No Access

    Article

    Active weighted map**-based residual convolutional neural network for image classification

    In visual recognition, the key to the performance improvement of ResNet is the success in establishing the stack of deep sequential convolutional layers using identical map** by a shortcut connection. It res...

    Hyoungho Jung, Ryong Lee, Sang-Hwan Lee, Wonjun Hwang in Multimedia Tools and Applications (2021)

  7. No Access

    Article

    Transrenal Hemodialysis Catheter Insertion and Replacement in Patients with Upper Extremity Central Venous Access Exhaustion

    Patients undergoing long-term hemodialysis may suffer upper extremity central venous access failure and require an alternative route. This study aimed to evaluate the safety and efficacy of transrenal hemodial...

    Joonho Hur, Boryeong Jeong, Ji Hoon Shin in CardioVascular and Interventional Radiology (2021)

  8. No Access

    Article

    Clinical Outcomes of Transcatheter Arterial Embolisation for Chronic Knee Pain: Mild-to-Moderate Versus Severe Knee Osteoarthritis

    This retrospective study was conducted to compare the clinical outcomes of transcatheter arterial embolisation for chronic knee pain in patients with mild-to-moderate versus severe knee osteoarthritis.

    Sang Hwan Lee, ** Ho Hwang, Dong Hyun Kim in CardioVascular and Interventional Radiology (2019)

  9. Article

    Open Access

    Intrathecal delivery of recombinant AAV1 encoding hepatocyte growth factor improves motor functions and protects neuromuscular system in the nerve crush and SOD1-G93A transgenic mouse models

    Amyotrophic lateral sclerosis (ALS) is a fatal neuromuscular disease resulting from motor neuron degeneration that causes muscle weakness, paralysis, and eventually respiratory failure. We investigated whether...

    Sang Hwan Lee, Subin Kim, Nayeon Lee, Junghun Lee in Acta Neuropathologica Communications (2019)

  10. Article

    Open Access

    Embryos of an Antarctic zooplankton require anoxia for dormancy, are permeable to lipophilic chemicals, and reside in sediments containing PCBs

    Zooplankton in Antarctic maritime lakes face challenges imposed by anthropogenic chemicals. Studies on temperate species suggest that lipophilic chemicals will accumulate in dormant embryos of Antarctic zoopla...

    Katherine A. Reed, Hyun Park, Sung Gu Lee, Wonseok Lee, Sang-Hwan Lee in Scientific Reports (2018)

  11. No Access

    Article

    A decision support system for scientists by processing large-scale satellite images on a distributed computing environment

    Data-driven research strategy has been widely accepted in many scientific areas. In the strategy, which consists of several processing steps including data collection, processing, analysis and discovery, data ...

    Sang-hwan Lee, Yun-soo Choi, Ryong Lee in Multimedia Tools and Applications (2018)

  12. No Access

    Article

    Effect of soil water content on heavy mineral oil biodegradation in soil

    We investigated the limits and extent of heavy mineral oil biodegradation at different soil water levels and evaluated soil biological activity with regard to its usefulness for monitoring bioremediation proce...

    Sang-Hwan Lee, Wonhyun Ji, Dae Monn Kang, Min-Suk Kim in Journal of Soils and Sediments (2018)

  13. No Access

    Article

    Reclamation of mine-degraded agricultural soils from metal mining: lessons from 4 years of monitoring activity in Korea

    The environmental issues associated with mining have damaged the industry’s substantial global economic value. In particular, the mining industry has a negative legacy of contaminated land. The effective recl...

    Sang-Hwan Lee, Wonhyun Ji, Hun-Jae Yang, Se-Yeong Kang in Environmental Earth Sciences (2017)

  14. No Access

    Article

    Particle behaviors of printing system using GPU-based discrete element method

    Generally, Discrete element method (DEM) has been used to analyze the two-component particles behavior in the printing systems. DEM makes it possible to figure out the particle-related complicated phenomena. N...

    In Soo Seo, Ju Hyeon Kim, Jae Ho Shin in Journal of Mechanical Science and Technolo… (2014)

  15. No Access

    Article

    Fatigue life assessment of railway rail subjected to welding residual and contact stresses

    Even though repair welding has been adopted as a useful remedial technique for railway rail, cracks were found beneath the weld layer under wheel-to-rail contact conditions. In the present study, lifetime asse...

    Sang-Hwan Lee, Seung Hyun Kim in Journal of Mechanical Science and Technolo… (2014)

  16. No Access

    Article

    Ossifying renal tumor of infancy: findings at ultrasound, CT and MRI

    A 4-month-old boy presented with persistent gross hematuria. At ultrasonography, a 3.5-cm echogenic mass with posterior shadowing and tumor vascularity was detected within the right renal pelvis. Precontrast C...

    Sang Hwan Lee, Young Hun Choi, Woo Sun Kim, Jung-Eun Cheon in Pediatric Radiology (2014)

  17. No Access

    Article

    Arsenic mobility in the amended mine tailings and its impact on soil enzyme activity

    The objectives of this study were to elucidate the effects of soil amendments [Ferrous sulfate (FeII), red mud, FeII with calcium carbonate (FeII/L) or red mud (RM/F), zero-valent iron (ZVI), furnace slag, spent ...

    Namin Koo, Sang-Hwan Lee, Jeong-Gyu Kim in Environmental Geochemistry and Health (2012)

  18. No Access

    Article

    Increased As load to the Uchen stream due to mine drainage and soils in the abandoned Kangwon mining district of Korea

    To determine the appropriate allocation of resources for the future restoration of the abandoned mining district of Kangwon in Korea, identification of the main pollutants and the main sources discharging thes...

    Namin Koo, Kwon-Rae Kim, Youn-Jung Choi, Sang-Hwan Lee in Environmental Earth Sciences (2012)

  19. No Access

    Chapter and Conference Paper

    On Supporting Weapon System Information Analysis with Ontology Model and Text Mining

    Issues and changes on weapon systems of a country is very critical to its adjacent countries and therefore each country needs to collect, analyze, and monitor them. Information analysis in defense domain requi...

    Jung-Whoan Choi, Seungwoo Lee, Dongmin Seo in Foundations of Intelligent Systems (2012)

  20. No Access

    Article

    Numerical analysis for prediction of flow rate of the motor cooling fan

    In this study, we analyzed the three dimensional unsteady flow around a motor cooling fan using the vortex panel method. For a popular type of motor cooling fan that has thin blades, we predicted the flow rate...

    Tae In Kang, Cheol O. Ahn, In Soo Seo in Journal of Mechanical Science and Technolo… (2008)