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  1. No Access

    Article

    Evaluation of renovated double J stents using ureter models with and without stenosis

    Commercial double J stents (DJS) have a uniform shape regardless of the specific nature of various ureteral diseases. We tested renovated DJS and compared them with conventional DJS using ureter models.

    Young-Ho Choi, Hyo Jeong Kang, Kyung-Wuk Kim, Mun Seong Jo in World Journal of Urology (2024)

  2. No Access

    Article

    Levels of Extracellular Vesicles in Pulmonary and Peripheral Blood Correlate with Stages of Lung Cancer Patients

    The extracellular vesicle (EV) concentration is known to be higher in cancer patients than in healthy individuals. Herein, we report that EV levels differ in the tumor-draining pulmonary vein blood and the per...

    Byeong Hyeon Choi, Yu Hua Quan, Jiyun Rho, Sunghoi Hong in World Journal of Surgery (2020)

  3. No Access

    Article

    Arrangement of side holes in a double J stent for high urine flow in a stented ureter

    A double J stent (DJS) is widely used as an ureteral stent these days. A DJS is composed of a shaft and proximal and distal coils, and it has multiple side holes along the stent axis. The role of side holes mu...

    Kyung-Wuk Kim, Hyoung-Ho Kim, Young Ho Choi in Journal of Mechanical Science and Technolo… (2020)

  4. No Access

    Article

    Metal Artifact Reduction for Orthopedic Prosthesis in Lower Extremity CT Venography: Evaluation of Image Quality and Vessel Conspicuity

    This study evaluates the image quality of lower extremity CT venography reconstructed with orthopedic metal artifact reduction (O-MAR) in patients with unilateral or bilateral metallic prostheses in the hip or...

    Hyunsik Woo, Jee Won Chai, Young Ho Choi in CardioVascular and Interventional Radiology (2019)

  5. No Access

    Article

    Differentiation potential of different regions-derived same donor human Wharton’s jelly mesenchymal stem cells into functional smooth muscle-like cells

    The present study evaluates the transdifferentiation potential of different region-derived same donor Wharton’s jelly MSCs (WJMSCs) into functional smooth muscle-like cells (SMLCs). All regions showed baseline...

    Dinesh Bharti, Sharath Belame Shivakumar, Young-Bum Son in Cell and Tissue Research (2019)

  6. No Access

    Article

    Self-targeted knockdown of CD44 improves cisplatin sensitivity of chemoresistant non-small cell lung cancer cells

    Chemoresistance remains a major challenge for effective chemotherapy of non-small-cell lung carcinoma (NSCLC). CD44 expression is related to the susceptibility of various cancer cell types to anticancer drugs....

    Yu Hua Quan, Ji-Young Lim, Byeong Hyeon Choi in Cancer Chemotherapy and Pharmacology (2019)

  7. Chapter and Conference Paper

    Multi-modal Sensor Based Localization and Control Method for Human-Following Outdoor Security Mobile Robot

    Recently, mobile robots are attracting attention in various industries. Outdoor unmanned security mobile robot is a key issue for surveillance. The main task of these security robots is to protect people and p...

    Taeyoung Uhm, Ji-Hyun Park, Gi-Deok Bae in Distributed, Ambient and Pervasive Interac… (2019)

  8. No Access

    Chapter and Conference Paper

    Multi-modal Sensor Calibration Method for Intelligent Unmanned Outdoor Security Robot

    Robots designed for outdoor use in an outdoor environment should be able to autonomously travel using multi-modal sensors. For autonomous navigation, it is a need for a calibration method that employs a multi-...

    Taeyoung Uhm, Gi-Deok Bae, JongDeuk Lee in Proceedings of the Sixth International Con… (2019)

  9. No Access

    Article

    Eco-friendly technology for recycling of cutting fluids and metal chips: A review

    Recently, as environment regulations have been strengthened around the world, new policies that take the environment into consideration have been introduced in various industries. As a result, to protect again...

    Choon-Man Lee, Young-Ho Choi, Jae-Hyeon Ha in International Journal of Precision Enginee… (2017)

  10. Article

    Open Access

    The predictive accuracy of sentinel nodes map** in the setting of pulmonary metastasectomy

    This is the first study to evaluate the feasibility of mediastinal lymph node dissection (MLND) based on sentinel lymph node (SLN) status during pulmonary metastasectomy. A total of 22 patients (16 men, 6 wome...

    Hyun Koo Kim, Kwanghyoung Lee, Kook Nam Han in Clinical & Experimental Metastasis (2017)

  11. No Access

    Chapter and Conference Paper

    Measuring Work Efficiency of the Rock-Crushing Operation of the Hydraulic System

    In this paper, we measure a work efficiency of the rock crushing operation of the underwater robot hydraulic system and presents effective parameters for the maximum work efficiency. Because of the power resou...

    Jung-Woo Lee, Hyo-Gon Kim, Jung-Woo Park in AETA 2016: Recent Advances in Electrical E… (2017)

  12. No Access

    Article

    Balloon-Occluded Retrograde Transvenous Obliteration of Jejunal Varices: A Case Report, Therapeutic Approach

    Soo Buem Cho, Young Ho Choi, Young Ho So, Dong-Won Ahn in Digestive Diseases and Sciences (2016)

  13. No Access

    Article

    Preparation of low density hollow carbon fibers by bi-component gel-spinning method

    Sheath–core polyacrylonitrile (PAN)/poly(methyl methacrylate) fibers were spun through bi-component dry-jet gel-spinning method and were used for fabricating hollow carbon fibers. After optimizing stabilizatio...

    Yaodong Liu, Han Gi Chae, Young Ho Choi, Satish Kumar in Journal of Materials Science (2015)

  14. Article

    Open Access

    The effects of sonic hedgehog signaling pathway components on non-small-cell lung cancer progression and clinical outcome

    Researchers in recent studies have reported that the sonic hedgehog (Shh) signaling pathway plays a crucial role during tumorigenesis, angiogenesis and cellular differentiation. We investigated the clinical an...

    **wook Hwang, Myoung Hee Kang, Young A Yoo in World Journal of Surgical Oncology (2014)

  15. No Access

    Article

    Blood flow interpretation in femoral pseudoaneurysm

    A femoral artery pseudoaneurysm is one complication of vascular intervention, and the incidence is increasing. Early management is then needed to avoid potential dangers from it. It differs from a true aneurys...

    Sang-Ho Suh, Young Ho Choi, Hyoung-Ho Kim, Min-Gyu Jeon in Journal of Thermal Science (2013)

  16. Article

    Open Access

    Bronchial obstruction by tumor embolus of contralateral lung during pneumonectomy: report of a case

    Bronchial obstruction due to a tumor embolus of the contralateral lung during pneumonectomy is an uncommon and fatal complication. According to previous cases, a bronchial balloon of double-lumen endotracheal ...

    Dong Kyu Lee, Heezoo Kim, Sang Ho Lim, Young Ho Choi in Journal of Cardiothoracic Surgery (2013)

  17. No Access

    Article

    Computational fluid dynamic modeling of femoral artery pseudoaneurysm

    Abnormal dilations of arteries or veins are called aneurysm. There is a pseudoaneurysm which does not have the structure of arterial wall. The patient with a pseusoaneurysm should be treated as soon as possibl...

    Sang-Ho Suh, Hyoug-Ho Kim, Young Ho Choi in Journal of Mechanical Science and Technolo… (2012)

  18. Article

    Open Access

    Opportunities for improving pLDH-based malaria diagnostic tests

    Monoclonal antibodies to Plasmodium lactate dehydrogenase (pLDH) have been previously used to format immunochromatographic tests for the diagnosis of malaria. Using pLDH as an antigen has several advantages as a ...

    Robert C Piper, Ian Buchanan, Young Ho Choi, Michael T Makler in Malaria Journal (2011)

  19. Article

    The Quality of Life After Bar Removal in Patients After the Nuss Procedure for Pectus Excavatum

    The goal of this study was to evaluate the outcome of patients who had the Nuss procedure for repair of pectus excavatum.

    Hyun Koo Kim, Jae Hoon Shim, Kyu Sun Choi, Young Ho Choi in World Journal of Surgery (2011)

  20. No Access

    Article

    New Coaxial Transseptal Needle for Creation of Atrial Septal Defects in Adult Sheep

    To introduce a new transseptal (TS) needle assembled in our laboratory—the coaxial TS (CTS) needle—and describe our experience with it in creating experimental atrial septal defects (ASD) in adult sheep.

    Barry T. Uchida, Dusan Pavcnik in CardioVascular and Interventional Radiology (2011)

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