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Selexipag as Add-on Therapy for Patients with Pulmonary Arterial Hypertension Associated with Congenital Heart Disease:A Single-Center Retrospective Study

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Congenital Heart Disease 2021年第3期16卷 233-244页

作者： Se yong jung Doyoung jung Ah Young Kim Jae Hee Seol jung Min Park Jo Won jung Jae Young Choi Division of Pediatric Cardiology Congenital Heart Disease CenterSeverance Cardiovascular HospitalDepartment of PediatricsYonsei University College of MedicineSeoulKorea

Purpose:This study examined the efficacy and safety of selexipag in treating pulmonary arterial hypertension(PAH)associated with congenital heart disease(CHD).Materials and Methods:We conducted a retrospective study of patients with CHD-associated PAH,treated with selexipag since December *** adult patients(mean age,45.4 years;women,77%)were treated with selexipag as add-on *** characteristics,World Health Organization functional class,6-minute walking distance(6MWD)test results,N-terminal pro-B-type natriuretic peptide levels,echocardiographic data,and incidence of side effects were ***:The majority of patients(12/13,92.3%)experienced more than one treatment-associated complication;one patient dropped out of the study due to intolerable *** results of 6MWD test(from 299.2±56.2 m to 363.8±86.5 m,p=0.039)and tricuspid regurgitation(TR)pressure gradient(from 84.7±20.5 mmHg to 61.6±24.0 mmHg,p=0.018)improved and remained improved after selexipag treatment in 12 *** on the results of a non-invasive risk assessment,8(66.7%)patients showed improvement,3(25.0%)showed no interval change,and the status of one patient(8.3%)***,compared to patients treated with a low dosage,patients treated with a medium-to-high dosage showed a greater increase in 6MWD results(88.3±26.4 m vs.55.3±27.6 m,p=0.043)and a greater reduction in the TR pressure gradient(-33.7±10.9 mmHg vs.-12.5±12.0 mmHg,p=0.015).Conclusion:Selexipag is an efficient pulmonary vasodilator as add-on therapy in treating CHD-associated PAH.

关键词： Selexipag congenital heart disease pulmonary arterial hypertension

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Inverse relationship between bioavailable testosterone and subclinical coronary artery calcification in non-obese Korean men

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Asian Journal of Andrology 2012年第4期14卷 612-615页

作者： Byoung-Jin Park Jae-yong Shim yong-Jae Lee jung-Hyun Lee Hye-Ree Lee Department of Family Medicine Yonsei University College of Medicine Seou1135-720 Korea Department of Health Promotion Center Gangnam Severance Hospita Yonsei University College of Medicine Seou1135-720 Korea

Although low testosterone levels in men have been associated with high risk for cardiovascular disease, little is known about the association between male sex hormones and subclinical coronary disease in men with apparently low cardiometabolic risk. This study was performed to investigate the association between male sex hormones and subclinical coronary artery calcification measured as coronary calcium score in non-obese Korean men. We examined the relationship of total testosterone, sex hormone-binding globulin, bioavai lable testosterone and free testosterone with coronary calcium score in 291 non-obese Korean men （mean age： 52.8--- 9.3 years） not having a history of cardiovascular disease. Using multiple linear regression, we evaluated associations between log （sex hormone） levels and log （coronary calcium score） after adjusting for confounding variables in 105 men with some degree of coronary calcification defined as coronary calcium score ~〉 1. In multiple linear regression analysis, bioavailable testosterone was inversely associated with coronary calcium score （P=0.046） after adjusting for age, body mass index, smoking status, alcohol consumption, regular exercise, mean blood pressure, resting heart rate, C-reactive protein, fasting plasma glucose, total cholesterol, triglyceride, high-density lipoprotein （HDL） cholesterol, hypertension medication and hyperlipidernia medication, whereas total testosterone, sex hormone-binding globulin and free testosterone were not （P=0.674, P=O. 121 and P=O. 102, respectively）. Our findings indicate that bioavailable testosterone is inversely associated with the degree of subclinical coronary artery calcification in non-obese men.

关键词： bioavailable testosterone cardiovascular disease coronary calcium score male sex hormone subclinical coronary arterydisease testosterone

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Clinical Experience with the Fifth-Generation of a Breast Implant with a Smooth, Fine Surface from a Korean Manufacturer in Asian Women

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Journal of Biosciences and Medicines 2022年第6期10卷 132-144页

作者： Dong Yeon Hwang Sang Wha Kim Joon yong jung Robert Kim NANA Plastic Surgery Seoul Korea Department of Plastic and Reconstructive Surgery Seoul National University Hospital College of Medicine Seoul National University Seoul Korea Department of Radiology Seoul St. Mary’s Hospital College of Medicine The Catholic University of Korea Seoul Korea Department of Medical and Pharmaceutical Affairs Doctor CONSULT Seoul Korea

Background: In this study, we describe our clinical experience with the fifth-generation of a breast implant with a smooth, fine surface from a Korean manufacturer (BellaGel® SmoothFine;HansBiomed Co. Ltd., Seoul, Korea) in Asian women. Methods: We analyzed 223 women (mean age = 35.28 ± 9.45 years and mean follow-up period = 12.03 ± 2.48 months), comprising 118 bilateral cases and 109 unilateral ones, who received breast augmentation using the BellaGel® SmoothFine at our hospital between June 4, 2018 and February 28, 2019. For safety assessment, we analyzed frequencies of postoperative complications and overall survival of the BellaGel® SmoothFine. Results: Postoperatively, complications (12 cases, 5.38%) include asymmetry (3 cases, 1.35%), hematoma (2 cases, 0.90%), hypertrophic scars (2 cases, 0.90%), wound disruption (2 cases, 0.90%), rippling (1 case, 0.45%), capsular contracture (1 case, 0.45%), stretch deformities with skin excess (1 case, 0.45%). In addition, time-to-events were calculated as 10.94 ± 0.64 months (95% CI 9.69 - 12.19) and the survival rate reached 0.290 ± 0.168 (95% CI 0.094 - 0.901) at 12 months postoperatively. Conclusions: Here, we describe our clinical experience with the BellaGel® SmoothFine. Our results are of significance in that this is the first report about the fifth-generation of a breast implant with a smooth, fine surface from a Korean manufacturer for Asian women.

关键词： Clinical Study Retrospective Studies Surgical Procedures Operative Postoperative Period Follow-Up Studies

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Performance evaluation of the use of tire-derived fuel fly ash as mineral filler in hot mix asphalt concrete

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Journal of Traffic and Transportation Engineering(English Edition) 2020年第2期7卷 249-258页

作者： Min Ju Choi yong Joo Kim Hyeok jung Kim Jae Jun Lee BILTZONE Co. Ltd.Hwaseong 18514South Korea Korea Institute o f Civil Engineering and Building Technology Goyang-Si 10223South Korea Industry-Academic Cooperation Foundation Center Hankyong National UniversityAnseong-si 17579South Korea Department of Civil Engineering Chonbuk National UniversityJeonju 54896South Korea

According to deplete natural resources and need to protect the environment,the demand of a usage of waste material has significantly *** studies are currently being carried out on the development of innovative and environmentally friendly materials for securing the safety of road users and improving the performance and durability of *** example,studies are currently being conducted on the use of waste tires as a substitute for currently used *** the development of the automobile industry,the amount of waste tire has continuously increased in accordance with the increased vehicle ***-derived fuel(TDF)has been used as a fuel source with generated TDF fly *** filler,made of fine mineral particles of a physical size passing the number 200 standard mesh sieve(75 micron),plays an important role in asphalt mixtures *** paper presents an application of TDF fly ash as filler in hot mix asphalt(HMA).In this study,the performance of TDF fly ash was confirmed through a comparison with three other mineral fillers:stone dust,cement,and hydrated *** tests including Marshall stability test,moisture sensitivity test,dynamic immersion test,and a wheel tracking test were performed to investigate the difference in the behaviors of the samples with different parameters considered in this *** results show that the mechanical performance of hot mix asphalt using TDF fly ash satisfied the quality standard specification of the Ministry of Land,Infrastructure and Transport(MOLIT),*** can be concluded that the use of TDF fly ash as a mineral filler in HMA not only satisfied the mechanical properties,but also reduced the volume of the pollutants waste in the environment.

关键词： Asphalt mixture TDF fly ash Marshal stability Moisture sensitive TSR

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Flexible highly-effective energy harvester via crystallographic and computational control of nanointerfacial morphotropic piezoelectric thin film

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Nano Research 2017年第2期10卷 437-455页

作者： Chang Kyu Jeong Sung Beom Cho Jae Hyun Han Dae yong Park Suyoung Yang Kwi-II Park jungho Ryu Hoon Sohn yong-chae Chung Keon Jae Lee Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea KAISTInstitute for the NanoCentury (KINC) 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea Division of Materials Science and Engineering Hanyang University 222 Wangsimni-ro Seongdong-gu Seou104763 Republic of Korea Department of Civil and Environmental Engineering KAIST 291 Daehak-ro Yuseong-gu Daejeon 34141 Republic of Korea Department of Energy Engineering Gyeongnam National University of Science and Technology 33 Dongjin-ro Jinju Gyeongnam 52725 Republic of Korea Functional Ceramic Group Korea Institute of Materials Science (KIMS) 797 Changwon-daero Seongsan-gu Changwon Gyeongnam.51508 Republic of Korea

Controlling the properties of piezoelectric thin films is a key aspect for designing highly efficient flexible electromechanical devices. In this stud）~ the crystallographic phenomena of PbZr1-xTixO3 （PZT） thin films caused by distinguished interfacial effects are deeply investigated by overlooking views, including not only an experimental demonstration but also ab initio modeling. The polymorphic phase balance and crystallinity, as well as the crystal orientation of PZT thin films at the morphotropic phase boundary （MPB）, can be stably modulated using interfacial crystal structures. Here, interactions with MgO stabilize the PZT crystallographic system well and induce the texturing influences, while the PZT film remains quasi-stable on a conventional A1203 wafer. On the basis of this fundamental understanding, a high-output flexible energy harvester is developed using the controlled-PZT system, which shows significantly higher performance than the unmodified PZT generator. The voltage, current, and power densities are improved by 556%, 503%, and 822%, respectively, in comparison with the previous flexional single-crystalline piezoelectric device. Finally, the improved flexible generator is applied to harvest tiny vibrational energy from a real traffic system, and it is used to operate a commercial electronic unit. These results clearly indicate that atomic-scale designs can produce significant impacts on macroscopic applications.

关键词： energy harvesting morphotropic phaseboundary (MPB) piezoelectric first-principles calculation lead zirconium titanate(PZT)

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Assessment of pathogens and risk factors associated with bloodstream infection in the year after pediatric liver transplantation

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World Journal of Gastroenterology 2022年第11期28卷 1159-1171页

作者： Yeong Eun Kim Ho jung Choi Hye-Jin Lee Hyun Ju Oh Mi Kyoung Ahn Seak Hee Oh jung-Man Namgoong Dae Yeon Kim Won Kyoung Jhang Seong Jong Park Dong-Hwan jung Deok Bog Moon Gi-Won Song Gil-Chun Park Tae-yong Ha Chul-Soo Ahn Ki-Hun Kim Shin Hwang Sung Gyu Lee Kyung Mo Kim Department of Pediatrics Asan Medical Center Children's HospitalUniversity of Ulsan College of MedicineSeoul 05505South Korea Division of Pediatric Surgery Department of SurgeryAsan Medical Center Children's HospitalUniversity of Ulsan College of MedicineSeoul 05505South Korea Division of Hepatobiliary Surgery and Liver Transplantation Department of SurgeryAsan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea

BACKGROUND Bloodstream infection(BSI)is one of the most significantly adverse events that can occur after liver transplantation(LT)in *** To analyze the profile of BSI according to the postoperative periods and assess the risk factors after pediatric *** Clinical data,collected from medical charts of children(n=378)who underwent primary LT,were retrospectively *** primary outcome considered was BSI in the first year after *** and multivariate analyses were performed to identify risk factors for BSI and respective odds ratios(ORs).RESULTS Of the examined patients,106(28%)experienced 162 episodes of pathogen-confirmed BSI during the first year after *** were 1.53±0.95 episodes per children(mean±SD)among BSIcomplicated patients with a median onset of 0.4 mo *** most common pathogenic organisms identified were Coagulase-negative staphylococci,followed by Enterococcus *** Streptococcus *** half(53%)of the BSIs were of unknown *** analysis demonstrated that young age(≤1.3 year;OR=2.1,P=0.011),growth failure(OR=2.1,P=0.045),liver support system(OR=4.2,P=0.008),and hospital stay of>44 d(OR=2.3,P=0.002)were independently associated with BSI in the year after *** BSI was frequently observed in patients after pediatric LT,affecting survival *** profile of BSI may inform clinical treatment and management in high-risk children after LT.

关键词： Bloodstream infection Liver transplantation Children Pathogens

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Liquid-like adsorbent assembled by CNTs: Serving as renewable CO_(2) capture materials for indoor air

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Journal of Energy Chemistry 2021年第12期30卷 574-584,I0014页

作者： Jae Won Lee Minjae Kim Han Sol jung Ronghuan Xu Seonggon Kim yong Tae Kang School of Mechanical Engineering Korea UniversitySeoul 02841South Korea

In this study,a CO_(2) capture material in the form of liquid-like adsorbents(LLAs) is developed to overcome the limitations of conventional types of *** increase in indoor activities necessitates the capture of CO_(2) in enclosed indoor *** spaces require safe and stable materials for CO_(2) capture because humans are present in these *** adsorbents are mainly used because liquid absorbents are unsuitable owing to noise and scattering *** LLA,the liquid absorbent assembled by carbon nanotubes(CNTs) is solidified and prevented from flowing and scattering *** present to maintain 95% of initial capacity after recycling 20 times,and have characteristics that can be regenerated in a low temperature heat source(80 to 120℃) and moisture *** work not only provides indoor useable CO_(2) capture materials,but also offers a new prospect in the field of adsorbents.

关键词： CO_(2)capture CNT Silicone oil Adsorbents Indoor air

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Uncertainty analysis of flow rate measurement for multiphase flow using CFD

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Acta Mechanica Sinica 2015年第5期31卷 698-707页

作者： Joon-Hyung Kim Uk-Hee jung Sung Kim Joon-yong Yoon Young-Seok Choi Department of Mechanical Design Engineering Hanyang University Thermal & Fluid System R&BD Group Korea Institute of Industrial Technology Energy System Engineering University of Science and Technology

The venturi meter has an advantage in its use,because it can measure flow without being much affected by the type of the measured fluid or flow ***,it has excellent versatility and is being widely applied in many *** flow of a liquid containing air is a representative example of a multiphase flow and exhibits complex flow *** particular,the greater the gas volume fraction（GVF）,the more inhomogeneous the flow *** a result,using a venturi meter to measure the rate of a flow that has a high GVF generates an *** this study,the cause of the error occurred in measuring the flow rate for the multiphase flow when using the venturi meter for analysis by *** ensure the reliability of this study,the accuracy of the multiphase flow models for numerical analysis was verified through comparison between the calculated results of numerical analysis and the experimental *** a result,the Grace model,which is a multiphase flow model established by an experiment with water and air,was confirmed to have the highest ***,the characteristics of the internal flow Held about the multiphase flow analysis result generated by applying the Grace model were analyzed to find the cause of the uncertainty occurring when measuring the flow rate of the multiphase flow using the venturi meter.A phase separation phenomenon occurred due to a density difference of water and air inside the venturi,and flow inhomogeneity happened according to the flow velocity difference of each *** was confirmed that this flow inhomogeneity increased as the GVF increased due to the uncertainty of the flow measurement.

关键词： Multiphase flow Measurement Numerical analysis Venturi meter Gas volume fraction(GVF) Uncertainty Multiphase flow model Grace model

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SPL3/4/5 Integrate Developmental Aging and Photoperiodic Signals into the FT-FD Module in Arabidopsis Flowering

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Molecular Plant 2016年第12期9卷 1647-1659页

作者： Jae-Hoon jung Hyo-Jun Lee Jae yong Ryu Chung-Mo Park Sainsbury Laboratory University of Cambridge Cambridge CB2 1LR UK Department of Chemistry plant Genomics and Breeding Institute Seoul National University Seou1151-742 Korea These authors contributed equally to this article

Environmental sensitivity varies across developmental phases in flowering plants. In the juvenile phase, mi- croRNA156 （miR156）-mediated repression of SQUAMOSA PROMOTER-BINDING PROTEIN-LIKE （SPL） transcription factors renders Arabidopsis plants incompetent to floral inductive signals, including long- day （LD） photoperiod. During the vegetative phase transition, which accompanies a reduction of miR156 and a concomitant elevation of its targets, plants acquire reproductive competence such that LD signals promote flowering. However, it remains largely unknown how developmental signals are associated with photoperiodic flowering. Here, we show that SPL3, SPL4, and SPL5 （SPL3/4/5） potentiate the FLOWERING LOCUS T （FT）-FD module in photoperiodic flowering. SPL3/4/5 function as transcriptional activators through the interaction with FD, a basic leucine zipper transcription factor which plays a critical role in photoperiodic flowering. SPL3/4/5 can directly bind to the promoters of APETALA1, LEAFY, and FRUITFULL, thus mediating their activation by the FT-FD complex. Our findings demonstrate that SPL3/ 4/5 act synergistically with the FT-FD module to induce flowering under LDs, providing a long-sought mo- lecular knob that links developmental aging and photoperiodic flowering.

关键词： photoperiodic flowering developmental aging SPL transcription factors FT-FD complex

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Roles of somatic A-type K^+ channels in the synaptic plasticity of hippocampal neurons

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Neuroscience Bulletin 2014年第3期30卷 505-514页

作者： Yoon-Sil Yang Kyeong-Deok Kim Su-yong Eun Sung-Cherl jung Department of Physiology School of Medicine Jeju National University Institute of Medical Science Jeju National University

In the mammalian brain, information encoding and storage have been explained by revealing the cellular and molecular mechanisms of synaptic plasticity at various levels in the central nervous system, including the hippocampus and the cerebral cortices. The modulatory mechanisms of synaptic excitability that are correlated with neuronal tasks are fundamental factors for synaptic plasticity, and they are dependent on intracellular Ca2＋-mediated signaling. In the present review, the A-type K＋（IA） channel, one of the voltage-dependent cation channels, is considered as a key player in the modulation of Ca2＋ influx through synaptic NMDA receptors and their correlated signaling pathways. The cellular functions of IA channels indicate that they possibly play as integral parts of synaptic and somatic complexes, completing the initiation and stabilization of memory.

关键词： A-type K+ channels intrinsic excitability synaptic plasticity NMDA receptors Kv4.2

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