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  1. Article

    Open Access

    Reading of small bowel capsule endoscopy after frame reduction using an artificial intelligence algorithm

    Poorly visualized images that appear during small bowel capsule endoscopy (SBCE) can confuse the interpretation of small bowel lesions and increase the physician’s workload. Using a validated artificial intell...

    Dong Jun Oh, Youngbae Hwang, Sang Hoon Kim, Ji Hyung Nam in BMC Gastroenterology (2024)

  2. Article

    Open Access

    Relationship between insomnia and working from home among Korean domestic workers: results from the 5th Korean working condition survey

    Social distancing has been increasingly implemented following the COVID-19 pandemic and more people have been working from home. Consequently, the screen time has increased, which can disrupt the natural sleep...

    Lei Lee, Ok Hyung Nam, Ko Eun Lee, Chunui Lee in BMC Public Health (2023)

  3. No Access

    Article

    Taking Oral Sulfate Tablets with Simethicone for Bowel Preparation Leads to Higher Adenoma Detection Rate than Polyethylene Glycol: A Propensity Score Analysis

    Efficient bowel preparation is essential for preventing colorectal cancer by improving endoscopic adenoma detection. Tablet for bowel preparation containing sulfate salts, OSTs (oral sulfate tablets), has been...

    Seung Eun Lee, Dong Jun Oh, Ji Hyung Nam, Hyeki Cho in Digestive Diseases and Sciences (2023)

  4. Article

    Open Access

    Evaluation of delphinidin as a storage medium for avulsed teeth

    Delphinidin (DP), an anthocyanidin found in blueberries, has antioxidant and anti-inflammatory effects. This study aimed to investigate the efficacy of DP as a storage medium for avulsed teeth.

    Ok Hyung Nam, Sang Tae Ro, Hyeon-Woo Lee, Jaeki Jeong, Yong Kwon Chae in BMC Oral Health (2023)

  5. Article

    Open Access

    Posture-induced changes in intraocular pressure after ab externo XEN45 gel-stent implantation in patients with primary open-angle glaucoma

    To investigate posture-induced changes in intraocular pressure (IOP) after ab externo XEN45 Gel-Stent implantation in patients with medically uncontrolled primary open-angle glaucoma (POAG).

    Hyung Nam **, Jeong Woo Nam, Haowei Zhang, Mi Sun Sung, Sang Woo Park in BMC Ophthalmology (2022)

  6. Article

    Open Access

    Stress distribution in pediatric zirconia crowns depending on different tooth preparation and cement type: a finite element analysis

    In clinical settings, tooth preparation for prefabricated zirconia crowns (PZCs) in the primary dentition varies widely. However, knowledge about the biomechanical behavior of PZCs in various clinical settings...

    Sang-Yeop Chung, Hyeonjong Lee, Yong Kwon Chae, Yun Sun Jung, Su-Sung Jo in BMC Oral Health (2022)

  7. Article

    Open Access

    Small bowel cleanliness in capsule endoscopy: a case–control study using validated artificial intelligence algorithm

    Small bowel capsule endoscopy (SBCE) may need to be performed immediately after colonoscopy without additional bowel preparation if active small bowel diseases are suspected. However, it is unclear whether the...

    Dong Jun Oh, Youngbae Hwang, Ji Hyung Nam, Yun Jeong Lim in Scientific Reports (2022)

  8. Article

    Open Access

    Influence of scan direction on subfoveal choroidal vascularity index using optical coherence tomography

    We investigated the influence of scan direction on subfoveal choroidal vascularity index (CVI) measurements using spectral-domain optical coherence tomography (SD-OCT) in young healthy subjects. Seventy-eight ...

    Yung Hui Kim, Hyung Nam **, Hyun Jee Kim, Jong Hoon Lee, Yong-Sok Ji in Scientific Reports (2022)

  9. No Access

    Chapter

    Anatomy of the Small Intestine

    The small intestine is the digestive tract between the pylorus and ileocecal valve. It consists of the duodenum, jejunum, and ileum, and is approximately 6m long in adults. The organ is served by complex netwo...

    Chang-Hun Yang, Ji Hyung Nam in Small Intestine Disease (2022)

  10. Article

    Open Access

    The effect of menopausal hormone therapy on gastrointestinal cancer risk and mortality in South Korea: a population-based cohort study

    The effect of menopausal hormone therapy (MHT) on gastrointestinal (GI) cancers is controversial, and no research has been conducted in the East. This study investigates the association between MHT and GI canc...

    Ji Hyung Nam, Sung-In Jang, Hyun Soo Park, Jae Hak Kim, Jun Kyu Lee in BMC Gastroenterology (2021)

  11. Article

    Open Access

    Void characteristics and tortuosity of calcium silicate-based cements for regenerative endodontics: a micro-computed tomography analysis

    Internal voids of materials can serve a hub for microorganism and affect the sealing ability. This study aimed to evaluate the sealing performance of calcium silicate-based cements in immature teeth treated wi...

    Sang-Yeop Chung, Yun Hyeong Kim, Yong Kwon Chae, Su-Sung Jo in BMC Oral Health (2021)

  12. Article

    Open Access

    The perspective of undergraduate dental students on web-based learning in pediatric dentistry during the COVID-19 pandemic: a Korean multicenter cross-sectional survey

    The COVID-19 pandemic changed the world and created a shift in the dental education program. This sudden change in the dental education program may have affected the academic standards of dental students. This...

    Lan Herr, Myeong Kwan Jih, Jonghyun Shin, Yong Kwon Chae in BMC Medical Education (2021)

  13. Article

    Open Access

    Efficacy of a comprehensive binary classification model using a deep convolutional neural network for wireless capsule endoscopy

    The manual reading of capsule endoscopy (CE) videos in small bowel disease diagnosis is time-intensive. Algorithms introduced to automate this process are premature for real clinical applications, and multi-di...

    Sang Hoon Kim, Youngbae Hwang, Dong Jun Oh, Ji Hyung Nam, Ki Bae Kim in Scientific Reports (2021)

  14. Article

    Open Access

    Development of a deep learning-based software for calculating cleansing score in small bowel capsule endoscopy

    A standardized small bowel (SB) cleansing scale is currently not available. The aim of this study was to develop an automated calculation software for SB cleansing score using deep learning. Consecutively perf...

    Ji Hyung Nam, Youngbae Hwang, Dong Jun Oh, Junseok Park, Ki Bae Kim in Scientific Reports (2021)

  15. Article

    Open Access

    Tetrameric architecture of an active phenol-bound form of the AAA+ transcriptional regulator DmpR

    The Pseudomonas putida phenol-responsive regulator DmpR is a bacterial enhancer binding protein (bEBP) from the AAA+ ATPase family. Even though it was discovered more than two decades ago and has been widely used...

    Kwang-Hyun Park, Sungchul Kim, Su-** Lee, Jee-Eun Cho in Nature Communications (2020)

  16. Article

    Open Access

    3D reconstruction of small bowel lesions using stereo camera-based capsule endoscopy

    Three-dimensional (3D) reconstruction of capsule endoscopic images has been attempted for a long time to obtain more information on small bowel structures. Due to the limited hardware resources of capsule size...

    Seung-Joo Nam, Yun Jeong Lim, Ji Hyung Nam, Hyun Seok Lee in Scientific Reports (2020)

  17. No Access

    Chapter and Conference Paper

    Turning Ideas into Reality for mHealth Technology Users with Disabilities

    Various technology transfer models have been introduced in the literature, and those models have the potential to facilitate the design, development, evaluation, and dissemination of emerging technology. Yet, ...

    Hyung Nam Kim in HCI International 2020 – Late Breaking Posters (2020)

  18. Article

    Open Access

    In vivo genome editing using the Cpf1 ortholog derived from Eubacterium eligens

    Cpf1 is an RNA-guided endonuclease that can be programmed to cleave DNA targets. Specific features, such as containing a short crRNA, creating a staggered cleavage pattern and having a low off-target rate, ren...

    Woo-Chan Ahn, Kwang-Hyun Park, In Seon Bak, Hyung-Nam Song, Yan An in Scientific Reports (2019)

  19. No Access

    Article

    Genetic variation for three Y-STR loci: DYS390, DYS518, and DYS643

    Y chromosome short tandem repeats (Y-STRs) are commonly used to analyze male-specific DNA. Although biallelic patterns due to duplication events have been detected at some loci, Y-STRs generally appear as a si...

    Hyun-Chul Park, Eun-Jung Lee, Youn-Hyung Nam in International Journal of Legal Medicine (2019)

  20. No Access

    Article

    Estimation of stature from femur length measured using computed tomography after the analysis of three-dimensional characteristics of femur bone in Korean cadavers

    Estimation of stature is a basic and important forensic procedure in identifying decomposed or skeletonized bodies. Due to advances in radiologic equipment, forensic science frequently uses computed tomography...

    Sookyoung Lee, Ho-hyeon Gong, **-young Hyun in International Journal of Legal Medicine (2017)

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