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| 1 | Peritonitis with small bowel perforation caused by a fish bone in a healthy patient显示文摘Perforation of the gastrointestinal tract by ingested foreign bodies is extremely rare in otherwise healthy patients, accounting for < 1% of cases. Accidentally ingested foreign bodies could cause small bowel perforation through a hernia sac, Meckel's diverticulum, or the appendix, all of which are uncommon. Despite their sharp ends and elongated shape, bowel perforation caused by ingested fish bones is rarely reported, particularly in patients without intestinal disease. We report a case of 57-year-old female who visited the emergency room with periumbilical pain and no history of underlying intestinal disease or intra-abdominal surgery. Abdominal computed tomography and exploratory laparotomy revealed a small bowel micro-perforation with a 2.7-cm fish bone penetrating the jejunal wall. | Yonghoon Choi Gyuwon Kim Chansup Shim Dongkeun Kim Dongju Kim | 2014 | World Journal of Gastroenterology2014，20，6： | 2 |
| 2 | Facile synthesis of fully ordered L10-FePt nanoparticles with controlled Pt-shell thicknesses for electrocatalysis显示文摘我们为 ~ 的合成报导一条简单一步舞途径 4 nm 制服并且充分 L1 0-ordered 以脸为中心四角形(fct ) FePt nanoparticles (NP ) 在 ~ 嵌入 60 nm MCM-41 (fct-FePt NPs@MCM-41 ) 。我们由与醋酸(HOAc ) 对待 fct-FePt NPs@MCM-41 控制了 fct-FePt NP 的磅壳厚度或盐酸在 sonication 下面的酸(HCl ) ,从而蚀刻 NP 的表面 Fe 原子。扔到碳支持(fct-FePt NP/C ) 上的 fct-FePt NP 被与碳混合 fct-FePt NPs@MCM-41 并且随后用 NaOH 移开 MCM-41 准备。我们也开发了一个灵巧的方法综合由使用一个 HF 答案同时的 surface-Fe 蚀刻和 MCM-41 移动的酸处理的 fct-FePt NP/C。我们学习了 surface-Fe 为甲醇氧化反应(粗腐殖质) 在 fct-FePt NP 的 electrocatalytic 性质上蚀刻和磅壳厚度的效果。与非对待的 fct-FePt NP/C 催化剂相比,对待 HOAc 、对待 HCl 的催化剂展出多达 34% 更大的电气化学地活跃的表面区域(ECASA ) ;另外,对待 HCl 的 fct-FePt NP (与 ~ 1.0 nm 磅壳)/C 催化剂展览最高特定的活动。对待 HF 的 fct-FePt NP/C 展出 ECASA 比那些大几乎 2 倍另外的酸处理的 fct-FePt NP/C 催化剂和表演最高集体的活动(1,435 妈吗?? | Yonghoon Hong Hee Jin Kim Daehee Yang Gaehang Lee Ki Min Nam Myung-Hwa Jung Young-Min Kim Sang-II Choi Won Seok Seo | 2017 | Nano Research2017，10，8： | 2 |
| 3 | Sex-based differences in histology,staging,and prognosis among 2983 gastric cancer surgery patients显示文摘BACKGROUND Few studies have been conducted on sex differences in the incidence, pathophysiology, and prognosis of gastric cancer(GC).AIM To analyze the differences in GC characteristics according to sex in patients who underwent surgical treatment for GC.METHODS A total of 2983 patients diagnosed with gastric adenocarcinoma who received surgical treatment at the Seoul National University Bundang Hospital between 2003 and 2017 were included.Baseline clinicopathological characteristics, histologic type of GC, overall and GC-specific survival rates, and associated risk factors were analyzed.RESULTS Among the 2983 patients, 2005(67.2%) and 978(32.8%) were males and females, respectively.The average age of the female group(59.36 years) was significantly younger than that of the male group(61.66 years;P < 0.001).Cancer of the gastric body(P < 0.001) and diffuse-type histology(P < 0.001) were more common in females than in males.This trend was more prominent in females younger than 60 years of age, with a significantly higher proportion of diffuse-type cancer than in the male group.Regardless of sex, diffuse-type GC was more common in younger patients, and the proportion of intestinal-type GC increased with age.The overall survival rate was significantly higher in females(P < 0.001).However, this difference disappeared for GC-specific survival(P = 0.168), except for the poor GC-specific survival rate in advanced-stage cancer(stage Ⅲ or above) in females(P = 0.045).The risk factors for GC-related mortality were older age, upper location of GC, and diffuse-or mixed-type histology.In terms of comorbidities, more males died from diseases other than GC, including other malignancies such as lung cancer, hepatocellular carcinoma, and pancreatic cancer, and respiratory diseases such as interstitial lung disease and chronic obstructive pulmonary disease, while there were relatively more cardiovascular or cerebrovascular deaths in females.CONCLUSION Sex-based differences in GC were observed in clinicopathological features, including age at diagnosis, tumor location, histologic type, survival rate, and comorbidities. | Yonghoon Choi Nayoung Kim Ki Wook Kim Hyeong Ho Jo Jaehyung Park Hyuk Yoon Cheol Min Shin Young Soo Park Dong Ho Lee Hyeon Jeong Oh Hye Seung Lee Young Suk Park Sang-Hoon Ahn Yun-Suhk Suh Do Joong Park Hyung-Ho Kim Ji-Won Kim Jin Won Kim Keun-Wook Lee Won Chang Ji HoonPark Yoon Jin Lee Kyoung Ho Lee Young Hoon Kim | 2022 | World Journal of Gastroenterology2022，28，9： | 2 |
| 4 | Mimicking a Superhydrophobic Insect Wing by Argon and Oxygen Ion Beam Treatment on Polytetrafluoroethylene Film显示文摘Biological tiny structures have been observed on many kinds of surfaces such as lotus leaves and insect wings,whichenhance the hydrophobicity of the natural surfaces and play a role of self-cleaning.We presented the fabrication technology of asuperhydrophobic surface using high energy ion beam.Artificial insect wings that mimic the morphology and the superhydrophobocityof cicada’s wings were successfully fabricated using argon and oxygen ion beam treatment on a polytetrafluoroethylene(PTFE)film.The wing structures were supported by carbon/epoxy fibers as artificial flexible veins that were bondedthrough an autoclave process.The morphology of the fabricated surface bears a strong resemblance to the wing surface of acicada,with contact angles greater than 160°,which could be sustained for more than two months. | Youngjong Lee Yonghoon Yoo Jihoon Kim Sriyulianti Widhiarini Baeho Park Hoon Cheol Park Kwang Joon Yoon Doyoung Byun | 2009 | Journal of Bionic Engineering2009，6，4： | 2 |
| 5 | Interferometric Microwave Radiometers for High-Resolution Imaging of the Atmosphere Brightness Temperature Based on the Adaptive Capon Signal Processing Algorithm显示文摘 | Hyuk Park Junho Choi Vladimir Katkovnik Yonghoon Kim | 2004 | Environmental Monitoring and Assessment2004，，1： | 1 |
| 6 | Theoretical investigation of optical wavelength conversion techniques for DPSK modulation formats using FWM in SOAs and frequency comb in 10 Gb/s transmission systems 显示文摘 | Hodeok Jang Sub Hur Yonghoon Kim | 2005 | Journal of Lightwave Technology2005，23，9： | 1 |
| 7 | Joint resource allocation for parallel multi-radio access in heterogeneous wireless networks 显示文摘 | YONGHOON C HOON K SANG H | 2010 | IEEE transactions on wireless com- munication2010，9，11： | 1 |
| 8 | Active-matrix liquid crystal display using solution-based organic thin film transistors on plastic substrates显示文摘 | Yonghoon Kim Sungkyu Park Daegyu Moon | 2004 | Display2004，25，5： | 1 |
| 9 | Development of a reference material using methamphetamine abusers' hair samples for the determination of methamphetamine and amphetamine in hair显示文摘 | Sooyeun Lee Yonghoon Park Wonkyung Yang | 2008 | Journal of Chromatography B2008，865，： | 1 |
| 10 | A Laplace transform finite difference method for the Black-Scholes equation显示文摘 | Jaemin A Sungkwon K YongHoon K | 2010 | Mathematical and Computer Modelling2010，51，： | 1 |
| 11 | Multiple positive solutions of singular two point boundary value problems for second order impulsive differential equations显示文摘 | LEE Eun Kyoung LEE Yonghoon | 2004 | Appl Math Comp2004，158，： | 1 |
| 12 | The effects of the shallow and the deep en- dotracheal suctioning on oxygen saturation and heart rate in high - risk infants 显示文摘 | Youngmee A Yonghoon J | 2003 | Int J Nuts Stud2003，40，2： | 1 |
| 13 | Joint resource allocation for parallel multi-radio access in heterogeneous wireless networks显示文摘 | YONGHOON C HOON K SANGWOOK H | 2010 | IEEE Transactions on Wireless Communications2010，9，11： | 1 |
| 14 | Thestudy of metabolite-to parent dug ratios of methamphetamine andmethylenedioxymethamphetamine in hair 显示文摘 | Eunyoung Han Yonghoon Park Wonkyung Yang et ai | 2006 | Forensic science in-ternational2006，161，： | 1 |
| 15 | Laser-induced breakdown spectroscopy (LIBS) of heavy metal ions at the sub-parts per million level in water显示文摘 | Yonghoon Lee Se-Woung Oh Song-Hee Han | 2012 | Applied Spectroscopy2012，66，12： | 1 |
| 16 | The effects of the shallow and the deep endotrach eal suctioning on oxygen saturation and heart rate in high-risk infants显示文摘 | Youngmee A Yonghoon J | 2003 | Int J Nurs Stud2003，40，2： | 1 |
| 17 | Laser - Induced Breakdown Spectroscopy(LIBS) of Heavy Metal Ions at the Sub -Parts per Million Level in Water 显示文摘 | Yonghoon Lee Se - Woung Oh Song - Hee Han | 2012 | Applied Spectroscopy2012，66，12： | 1 |
| 18 | Jointresource allocation for parallel multi-radio access inheterogeneous wireless networks 显示文摘 | Choi Yonghoon Kim Hoon Han Sang-wook | 2010 | IEEE Transactions onWireless Communications2010，9，11： | 1 |
| 19 | Multiple positive solutions of singular two point boundary value problems for second order impulsive differential equations显示文摘 | LEE Eun Kyoung LEE Yonghoon | 2004 | Appl Math Comp2004，158，： | 1 |
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