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  1. No Access

    Article

    Effect of boundary conditions on fatigue life of board-level BGA solder joints under random vibration

    We investigated the effect of fastening area of a board with mounted packages on the fatigue life of solder balls under random vibration. First, we conducted a finite element analysis (FEA) and a lifetime test...

    Hyunsik Jeong, Kwangwon Seo, **soo Bae, Gunhee Jang in Microsystem Technologies (2023)

  2. Article

    Open Access

    Molecular characteristics of fluoroquinolone-resistant Escherichia coli isolated from suckling piglets with colibacillosis

    Colibacillosis is a frequent enteric disease in the pig industry that causes significant economic losses. The objective of this study was to investigate the molecular characteristics of fluoroquinolone (FQ)-re...

    Kwangwon Seo, Kyung-Hyo Do, Wan-Kyu Lee in BMC Microbiology (2022)

  3. Article

    Open Access

    Antimicrobial resistance, virulence genes, and phylogenetic characteristics of pathogenic Escherichia coli isolated from patients and swine suffering from diarrhea

    Escherichia (E.) coli causes colibacillosis in swine and humans, and is frequently associated with antimicrobial resistance. In this study we aimed to compare antimicrobial resistance, O-serogroups, virulence gen...

    Kyung-Hyo Do, Kwangwon Seo, Wan-Kyu Lee in BMC Microbiology (2022)

  4. Article

    Open Access

    Proton Transport in Aluminum-Substituted Mesoporous Silica Channel-Embedded High-Temperature Anhydrous Proton-Exchange Membrane Fuel Cells

    Polymer composite membrane technology is promising for enhancing the performance of membrane electrode assemblies for high-temperature fuel cells. In this study, we developed a novel anhydrous proton-exchange ...

    Kwangwon Seo, Ki-Ho Nam, Haksoo Han in Scientific Reports (2020)

  5. No Access

    Chapter and Conference Paper

    SPARK-Based Partitioning Algorithm for k-Anonymization of Large RDFs

    Privacy protection for resource description framework data is very important because RDF (i.e., linked data) is widely used in published data format in many areas, including government open data, health-care f...

    Odsuren Temuu**, Minhyuk Jeon, Kwangwon Seo in Advanced Multimedia and Ubiquitous Enginee… (2020)

  6. No Access

    Chapter and Conference Paper

    Deep-Learning-Based Image Tagging for Semantic Image Annotation

    Many multimedia images, which are generated in countless ways, must be semantically stored and managed to search for relevant images. Therefore, studies on image annotation have been conducted and the field is...

    Yoonmi Shin, Kwangwon Seo, **hyun Ahn in Advances in Computer Science and Ubiquitou… (2020)

  7. No Access

    Chapter and Conference Paper

    Parallel Bidirectional Shortest Path Computation in Graphs Using Relational Database Management Systems (RDBMSs)

    Graph data structures are widely used in computer science fields such as biometric information, navigational systems etc. Recently there has been significant research into quickly calculating the shortest path...

    Kwangwon Seo, MyeongSeok Kwak, Yoonmi Shin in Advances in Computer Science and Ubiquitou… (2020)

  8. No Access

    Article

    Effect of tetrapod ZnO whiskers on the physical and moisture barrier properties of transparent polyimide/TZnO-W composite films

    Tetrapod zinc oxide whiskers (TZnO-Ws) were successfully prepared by a thermal oxidation method and confirmed using scanning electron microscopy (SEM) and wide angle X-ray diffraction (WAXD). A series of polyi...

    Ki-Ho Nam, Dowan Kim, Jongchul Seo, Kwangwon Seo, Haksoo Han in Macromolecular Research (2014)

  9. No Access

    Article

    Residual stress behavior and physical properties of transparent polyimide/surface-modified CaCO3 nanocomposite films

    A series of polyimide (PI) nanocomposite films with various surface-modified colloidal calcium carbonate (SCaCO3) contents were prepared and their physical properties were investigated to understand their possibl...

    Ki-Ho Nam, Jongchul Seo, Kwangwon Seo, Wonbong Jang, Haksoo Han in Macromolecular Research (2014)

  10. No Access

    Article

    Surface modification of polydimethylsiloxane (PDMS) induced proliferation and neural-like cells differentiation of umbilical cord blood-derived mesenchymal stem cells

    Stem cell-based therapy has recently emerged for use in novel therapeutics for incurable diseases. For successful recovery from neurologic diseases, the most pivotal factor is differentiation and directed neur...

    Sun-Jung Kim, Jae Kyoo Lee, ** Won Kim in Journal of Materials Science: Materials in… (2008)