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Determination of reference intervals for metabolic profile of Hanwoo cows at early, middle and late gestation periods

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Journal of Animal Science and Biotechnology 2015年第2期6卷 252-256页

作者： Da Chuan Piao Tao Wang Jae Sung Lee Renato SA Vega Sang ki Kang Yun Jaie choi Hong Gu Lee Laboratory of Animal Cell Biotechnology Department of Agricultural Biotechnology Seoul National University College of Animal Science and Technology Jilin Agricultural University Key Laboratory of Animal Nutrition and Feed Science Jilin Province Jilin Agricultural University Department of Animal Science and Technology College of Animal Bioscience& Technology Konkuk University Animal & Dairy Sciences Cluster College of AgricultureUniversity of the Philippines Los Ba?ose

Background： Metabolic profile was initially designed as a presymptomatic diagnostic aid based on statistical analyses of blood metabolites to provide an early warning of certain types of metabolic disorder. However, there is little metabolic profile data available about Korean Hanwoo cows. Therefore, this study aimed to determine the reference intervals of metabolic profile for Korean Hanwoo cows. Methods： Healthy animals （2,205） were selected and divided into early （day 1 to 95）, middle （day 96 to 190） and late （day 191 to 285） period according to their gestating period. Metabolic profile including total protein （TP）, albumin （AIb）, urea （UREA）, glucose （Glu）, total cholesterol （T-Cho）, long-chain fatty acid （LCFA）, aspartate aminotransferase （AST）, gamma-glutamyl transpeptidase （GGT）, creatinine （Crea）, calcium （Ca）, inorganic phosphorous （iP） and magnesium （Mg） were analyzed using a TBA-4OFR automatic biochemical analyzer. The data of Korean Hanwoo cows were then compared to those of the Japanese Wagyu cows. Results： Most of the data of the Korean Hanwoo cows were relatively higher than those of Japanese Wagyu cows, with the exception of Glu and GGT. This may indicate that the nutritional level of feed for the Korean Hanwoo cows was higher than that of the Japanese Wagyu cows because of the different feeding system. In particular, relatively higher levels of UREA and LCFA were observed in the Korean Hanwoo cows, and this may also contribute to the low reproduction efficiency. Conclusions： These findings may provide some theoretical basis for understanding the reproductive and feeding situation of Korean Hanwoo cows.

关键词： Hanwoo cows Metabolic profile Reference intervals Wagyu cows

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Clinical significance of isolated biliary candidiasis in patients with unresectable cholangiocarcinoma

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Hepatobiliary & Pancreatic Diseases International 2016年第5期15卷 533-539页

作者： In-Ho kim Jae-ki choi Dong-Gun Lee In Seok Lee Tae Ho Hong Young Kyoung You Ho Jong Chun Myung Ah Lee Departments of Internal Medicine Division of Medical 0ncologySeoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea Departments of Internal Medicine Division of Infectious Diseases Bucheon St. Mary’s Hospital The Catholic University of Korea Seoul Korea Division of Infectious Diseases Seoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea Division of Gastroenterology Seoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea Department of Surgery Seoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea Department of Radiology Seoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea Department of Hepato-Biliary-Pancreatic Cancer Center Seoul St. Mary’s Hospital The Catholic University of Korea Seoul Korea

BACKGROUND: The frequency of isolated biliary candidiasis is increasing in cancer patients. The clinical signiifcance of isolated biliary candidiasis remains unclear. We analyzed the risk factors of biliary candidiasis and outcomes of the patients with unresectable cholangiocarcinoma after percutaneous transhepatic biliary drainage (PTBD). METHODS: Among 430 patients who underwent PTBD between January 2012 and March 2015, 121 patients had unresectable cholangiocarcinoma. Bile and blood samples were collected for consecutive fungal culture. RESULTS: The study cohort included 49 women and 72 men with a median age of 71 years. Multivariate analysis showed that cancer progression (P=0.013), concurrent presence of another microorganism (P=0.010), and previous long-term (>7 days) antibiotic use (P=0.011) were potential risk factors of biliary candidiasis. Chemotherapy was not associated with overall biliary candidiasis (P=0.196), but was signiifcantly related to repeated biliary candidiasis (P=0.011). Patients with isolated biliary candidiasis showed remarkably reduced survival compared with those without (median overall sur-vival (OS): 32 vs 62 days,P=0.011)Subgroup analysis was also performed. Patients with repeated candidiasis had markedly decreased survival compared with those with transient candi-diasis (median OS: 30 vs 49 days,P=0.046). Biliary candidiasis was identiifed as a poor prognostic factor by univariate and multivariate analyses (P=0.033). Four cases of repeated can-didiasis (4/19, 21%) showedCandida species in consecutive blood culture until the end of the study, but others showed no candidemia. CONCLUSIONS: Isolated biliary candidiasis may be associ-ated with poor prognosis in patients with unresectable chol-angiocarcinoma. Especially, repeated biliary candidiasis may have the possibility of progression to candidemia. We suggest that biliary dilatation treatment or antifungal agents might be helpful for patients with biliary candidiasis.

关键词： biliary candidiasis biliary obstruction cholangiocarcinoma percutaneous transhepatic biliary drainage

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Sphincterotomy by triple lumen needle knife using guide wire in patients with Billroth Ⅱ gastrectomy

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World Journal of Gastroenterology 2013年第48期19卷 9405-9409页

作者： Su Bum Park hyung Wook kim Dae Hwan Kang Cheol Woong choi ki Tae Yoon Mong Cho Byeong Jun Song Department of Internal Medicine Pusan National University School of Medicine Research Institute for Convergence of Biomedical Science and Technology Pusan National University Yangsan Hospital Yangsan-si Gyeongsangnam-do 626-770South Korea

AIM:To investigate the usefulness of a guide wire and triple lumen needle knife for removing stones in BillrothⅡ(B-Ⅱ)gastrectomy ***:Endoscopic sphincterotomy in patients with B-Ⅱgastrectomy is *** used a new guide wire technique involving sphincterotomy by triple lumen needle knife through a forward-viewing *** technique was performed in nine patients between August 2010 and June *** as described above was *** sphincterotomy,successful stone removal,and complications were investigated ***:Sphincterotomy by triple lumen needle knife using guide wire was successful in all nine *** started towards the 4-5 o’clock direction and continued to the upper margin of the papillary *** stone removal in one session was achieved in all *** were no procedure related complications,such as bleeding,pancreatitis,or ***:In patients with B-Ⅱgastrectomy,guide wire using sphincterotomy by triple lumen needle knife through a forward-viewing endoscopy seems to be an effective and safe procedure for the removal of common bile duct stones.

关键词： Billroth Ⅱ gastrectomy Endoscopic sphincterotomy Forward-viewing endoscopy Guide wire Triple lumen needle knife

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Simulation of the extreme waves generated by typhoon Bolaven (1215) in the East China Sea and Yellow Sea

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Acta Oceanologica Sinica 2015年第12期34卷 19-28页

作者： JUN ki Cheon JEONG Weon Mu choi Jin Yong PARK Kwang Soon JUNG Kyung Tae kiM Mee Kyung CHAE Jang Won QIAO Fangli Coastal Disaster Research Center Korea Institute of Ocean Science and Technology Coastal & Environmental Engineering Division Korea Institute of Ocean Science and Technology Marine Radionuclide Research Center Korea Institute of Ocean Science and Technology First Institute of Oceanography State Oceanic Administration

Record-breaking high waves occurred during the passage of the typhoon Bolaven（1215）（TYB） in the East China Sea（ECS） and Yellow Sea（YS） although its intensity did not reach the level of a super *** and directional wave measurements were made using a range of in-situ instruments mounted on an ocean tower and *** order to understand how such high waves with long duration occurred,analyses have been made through measurement and numerical *** winds were generated using the TC96 typhoon wind model with the best track data calibrated with the *** then the wind fields were blended with the reanalyzed synoptic-scale wind fields for a wave *** fields were simulated using WAM4.5 with adjustment of C_d for gust of winds and bottom friction for the study *** the accuracy of simulations is considerably enhanced,and the computed results are also in better agreement with measured data than *** is found that the extremely high waves evolved as a result of the superposition of distant large swells and high wind seas generated by strong winds from the front/right quadrant of the typhoon *** the typhoon moved at a speed a little slower than the dominant wave group velocity in a consistent direction for two days,the wave growth was significantly enhanced by strong wind input in an extended fetch and non-linear interaction.

关键词： extreme waves typhoon measurements numerical simulation East China Sea

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Polymorphic ventricular tachycardia during phase Ⅱ cardiac rehabilitation in a patient with heart failure: a case report

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Journal of Geriatric Cardiology 2020年第1期17卷 64-66页

作者： Hee-Eun choi Chul kim Se-Heum Park Doo-Il kim ki-Hun kim Dong-kie kim Seunghwan kim Jino Park Department of Rehabilitation Medicine Inje University College of MedicineHaeundae Paik HospitalBusanSouth Korea Department of Rehabilitation Medicine Inje University College of MedicineSanggye Paik HospitalSeoulSouth Korea Department of Internal Medicine Inje University College of MedicineHaeundae Paik HospitalBusanSouth Korea

A 67-year-old man with a history of a prior cardiac arrest with ventricular fibrillation(VF)due to myocardial infarction underwent phase I(inpatient)and II(outpatient)cardiac rehabilitation(CR)exercise *** the 33th CR session,15 min after the start of exercise training,the patient had syncope with evidence of a polymorphic and wide QRS complex tachycardia on electrocardiogram(ECG)*** initiation of a polymorphic ventricular tachycardia was evidenced by the coupled premature ventricular complex observed in the ECG monitoring screen(Figure 1).

关键词： Cardiac rehabilitation Heart failure Ventricular tachycardia

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Review of recent progresses on flexible oxide semiconductor thin film transistors based on atomic layer deposition processes

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Journal of Semiconductors 2018年第1期39卷 105-116页

作者： Jiazhen Sheng ki-Lim Han Taehyun Hong Wan-Ho choi Jin-Seong Park Division of Materials Science and Engineering Hanyang University

The current article is a review of recent progress and major trends in the field of flexible oxide thin film transistors（TFTs）, fabricating with atomic layer deposition（ALD） processes. The ALD process offers accurate controlling of film thickness and composition as well as ability of achieving excellent uniformity over large areas at relatively low temperatures. First, an introduction is provided on what is the definition of ALD, the difference among other vacuum deposition techniques, and the brief key factors of ALD on flexible devices. Second, considering functional layers in flexible oxide TFT, the ALD process on polymer substrates may improve device performances such as mobility and stability, adopting as buffer layers over the polymer substrate, gate insulators, and active layers. Third, this review consists of the evaluation methods of flexible oxide TFTs under various mechanical stress conditions. The bending radius and repetition cycles are mostly considering for conventional flexible devices. It summarizes how the device has been degraded/changed under various stress types（directions）. The last part of this review suggests a potential of each ALD film, including the releasing stress, the optimization of TFT structure, and the enhancement of device performance. Thus, the functional ALD layers in flexible oxide TFTs offer great possibilities regarding anti-mechanical stress films, along with flexible display and information storage application fields.

关键词： atomic layer deposition(ALD) oxide semiconductor thin film transistor flexible device mechanical stress

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Preliminary Results of the Ground-Based Orographic Snow Enhancement Experiment for the Easterly Cold Fog (Cloud) at Daegwallyeong during the 2006 Winter

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Advances in Atmospheric Sciences 2009年第2期26卷 222-228页

作者： Myoung-Joo LEE ki-Ho CHANG Gyun-Myoung PARK Jin-Yim JEONG Ha-Young YANG ki-Deok JEONG Joo-Wan CHA Sung-Soo YUM Jae-Cheol NAM Kyungsik kiM Byung-Chul choi National Institute of Meteorological Research Korea Meteorological Administration Department of Atmospheric Sciences Yonsei University Department of Physics Pukyong National University

The snow enhancement experiments, carried out by injecting AgI and water vapor into orographically enhanced clouds （fog）, have been conducted to confirm Li and Pitter＇s forced condensation process in a natural situation. Nine ground-based experiments have been conducted at Daegwallyeong in the Taebaek Mountains for the easterly foggy days from January-February 2006. We then obtained the optimized conditions for the Daegwallyeong region as follows： the small seeding rate （1.04 g min-1） of AgI for the easterly cold fog with the high humidity of Gangneung. Additional experiments are needed to statistically estimate the snowfall increment caused by the small AgI seeding into the orographical fog （cloud） over the Taeback Mountains.

关键词： snow enhancement experiment cold cloud modification forced condensation AgI seeding orographical supersaturation

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Absolute monocyte and lymphocyte count prognostic score for patients with gastric cancer

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World Journal of Gastroenterology 2015年第9期21卷 2668-2676页

作者： Wan Kyu Eo Da Wun Jeong Hye Jung Chang Kyu Yeoun Won Sung Il choi Se hyun kim Sung Wook Chun Young Lim Oh Tae Hwa Lee Young Ok kim ki hyung kim Yong Il Ji Ari kim Heung Yeol kim Department of Hematology/Medical Oncology Kyung Hee University Hospital at GangdongSeoul 134727South Korea Department of Pathology Kyung Hee University Hospital at GangdongSeoul 134727South Korea Department of Surgery Kyung Hee University Hospital at GangdongSeoul 134727South Korea Graduate School Dankuk UniversityYongin 448701South Korea Department of Obstetrics and Gynecology Inje University College of MedicineBusan 612896South Korea Department of Obstetrics and Gynecology Kosin University College of MedicineBusan 602702South Korea Department of Pathology Kosin University College of MedicineBusan 602702South Korea Department of Obstetrics and Gynecology Pusan National University HospitalPusan National University School of Medicineand Biomedical Research Institute and Pusan Cancer CenterBusan 602739South Korea Department of Obstetrics and Gynecology Institute of Wonkwang Medical ScienceCollege of MedicineWonkwang UniversityIksan 570749South Korea

AIM:To measure the prognostic significance of absolute monocyte count/absolute lymphocyte count prognostic score(AMLPS) in patients with gastric ***:We retrospectively examined the combination of absolute monocyte count(AMC) and absolute lymphocyte count(ALC) as prognostic variables in a cohort of 299 gastric cancer patients who underwent surgical resection between 2006 and 2013 and were followed at a single *** AMC and ALC were dichotomized into two groups using cut-off points determined by receiving operator characteristic curve *** AMLPS was generated,which stratified patients into three risk groups:low risk(both low AMC and high ALC),intermediate risk(either high AMC or low ALC),and high risk(both high AMC and low ALC).The primary objective of the study was to validate the impact of AMLPS on both disease-free survival(DFS) and overall survival(OS),and the second objective was to assess the AMLPS as an independent prognostic factor for survival in comparison with known prognostic ***:Using data from the entire cohort,the most discriminative cut-off values of AMC and ALC selected on the receiver operating characteristic curve were 672.4/μL and 1734/μL for DFS and *** risk groups included 158(52.8%) patients in the lowrisk,128(42.8%) in the intermediate-risk,and 13(4.3%) in the high-risk *** a median followup of 37.2 mo(range:1.7-91.4 mo),five-year DFS rates in the low-,intermediate-,and high-risk groups were 83.4%,78.7%,and 19.8%,*** fiveyear OS rates in the low-,intermediate-,and high-risk groups were 89.3%,81.1%,and 14.4%,*** multivariate analysis performed with patient- and tumor-related factors,we identified AMLPS,age,and pathologic tumor-node-metastasis stage as the most valuable prognostic factors impacting DFS and ***:AMLPS identified patients with a poor DFS and OS,and it was independent of age,pathologic stage,and various inflammatory markers.

关键词： Monocytes Absolute lymphocyte count Stomach neopla

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Hepatocellular carcinoma,decompensation,and mortality based on hepatitis C treatment:A prospective cohort study

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World Journal of Gastroenterology 2022年第30期28卷 4182-4200页

作者： Gwang Hyeon choi Eun Sun Jang Young Seok kim Youn Jae Lee In Hee kim Sung Bum Cho Han Chu Lee Jeong Won Jang Moran ki Hwa Young choi Dahye Baik Sook-Hyang Jeong Department of Internal Medicine Seoul National University Bundang HospitalSeoul National University College of MedicineSeongnam 13620South Korea Department of Internal Medicine Soonchunhyang University Bucheon HospitalBucheon 14584South Korea Department of Internal Medicine Inje University Busan Paik HospitalBusan 47392South Korea Department of Internal Medicine Chonbuk National University HospitalJeonju 54907JeonbukSouth Korea Department of Internal Medicine Chonnam National University Hwasun HospitalHwasun 58128South Korea Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Internal Medicine The Catholic University of KoreaSeoul 06591South Korea Cancer Control and Population Health Graduate School of Cancer Science and PolicyNational Cancer CenterGoyang 10408South Korea

BACKGROUND Prospective studies of the long-term outcomes of patients with hepatitis C virus(HCV)infection after treatment with interferon-based therapy(IBT)or directacting antivirals(DAA)are limited in many Asian *** To elucidate the incidences of hepatocellular carcinoma(HCC)and death/transplantation based on treatment with IBT or DAA,to compare the outcomes of the sustained virologic response(SVR)to IBT and DAA,and to investigate outcome-determining factors after *** This cohort included 2054 viremic patients(mean age,57 years;46.5%male;27.4%with cirrhosis)prospectively enrolled at seven hospitals between 2007 and *** were classified as the untreated group(n=619),IBT group(n=578),and DAA group(n=857).Outcomes included the incidences of HCC and death/*** incidences of the outcomes for each group according to treatment were calculated using an exact method based on the Poisson distribution.A multivariate Cox regression analysis was performed to determine the factors associated with HCC or death/transplantation,followed by propensity score matching to confirm the *** During a median of 4.1 years of follow-up,HCC and death/transplantation occurred in 113 and 206 patients,respectively,in the entire *** with the untreated group,the incidences of HCC and death/transplantation were significantly lower in the IBT group[adjusted hazard ratio(aHR)0.47,95%CI:0.28-0.80 and aHR 0.28,95%CI:0.18-0.43,respectively]and the DAA group(aHR 0.58,95%CI:0.35-0.96,and aHR 0.19,95%CI:0.20-0.68,respectively).Among 1268 patients who attained SVR with IBT(n=451)or DAA(n=816),the multivariable-adjusted analysis showed no differences in the risks of HCC(HR 2.03;95%CI:0.76-5.43)and death/transplantation(HR 1.38;95%CI:0.55-3.49)between the two *** was confirmed by a propensity score-matching *** factors for HCC after SVR were age,genotype 1,and the presence of *** Treatment and achieving SVR

关键词： Hepatitis C virus Direct-acting antiviral Sustained virologic response Hepatocellular carcinoma Mortality

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Effect of Oxide Assisted Metal Nanoparticles on Microstructure and Morphology of Gallium oxide Nanowires

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材料科学与工程学报 2007年第6期25卷 886-891页

作者： Kyo-Hong choi Kwon-Koo CHO Gyu-Bong CHO Hyo-Jun AHN ki-Won kiM Yoo-Young kiM School of Nano & Advanced Materials Engineering ERI & i-cube centerGyeongsang National University900 GazwadongJinjuGyeongnam 660-701Korea Dept.of Mechanical Engineering Jinju National UniversityJinjuKorea

Several researches have been reported about the characteristic of β-Ga_2O_3 nanowires which was synthesized on nickel oxide *** indeed,recent researches about synthesis of β-Ga_2O_3 nanowires on oxide-assisted transition metal are limited to nickel or cobalt oxide *** this work,Gallium oxide(β-Ga_2O_3)nanowires were synthesized by a simple thermal evaporation method from gallium powder in the range of 700-1000℃ using the iron,nickel,copper,cobalt and zinc oxide as a catalyst,*** β-Ga_2O_3 nanowires with single crystalline without defects were successfully synthesized at the reaction temperature of 850,900 and 950℃ in all the *** optimum experimental condition in synthesis of nanowires varied with the kind of *** increasing synthesis temperature,the morphology of gallium oxide nanowires changed from nanowires to nanorods,and its diameter *** these results,we could be proposed that the growth mechanism of β-Ga_2O_3 nanowires was changed with synthesis temperature of *** and morphology of Synthesized nanowire was characterized by HR-TEM,FE-SEM,EDX and XRD.

关键词：金属纳米粒子显微结构镓氧化物形态学

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