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Clinical performance of presbyopia correction with a multifocal corneoscleral lens

International Journal of Ophthalmology(English edition) 2021年第4期14卷 529-535页

作者： woo Chan Park Chae Hoon kim sang wook Jin Department of Ophthalmology Dong-A University College of MedicineBusan 49201Republic of Korea

AIM:To assess the clinical performance of a multifocal corneoscleral lens for the presbyopia ***:A prospective clinical trial of the OnefitTM A multifocal corneoscleral lens was conducted with 40 participants with *** 4 wk of continuous wear of the corneoscleral lens,changes in the distance,intermediate,and near visual acuity(VA)were *** safety of the corneoscleral lens,central corneal thickness(CCT),corneal endothelial cell count,binocular stereopsis,tear film break-up time(BUT),corneal staining,corneal edema,corneal neovascularization(NV),and conjunctival hyperemia were *** addition,a subjective questionnaire addressing satisfaction(rated from 1 to 5 points)and discomfort(rated from 1 to 5 points)was ***:Forty participants were enrolled in this *** participants were excluded because of poor compliance with lens fitting(n=2)and loss to follow-up(n=4).The mean age of the participants was 53.0±4.9 *** 4 wk of continuous wear of the corneoscleral lens,the best corrected far,intermediate,and near VA was 0.08±0.11,0.10±0.12,and 0.10±0.12 log MAR,*** results were significant improvements over the baseline uncorrected VA(far:P=0.004;intermediate:P=0.004;near:P=0.002).CCT,corneal endothelial cell count,binocular stereopsis,BUT,corneal staining,corneal edema,corneal NV,and conjunctival hyperemia were not significantly different between baseline and after corneoscleral lens *** average satisfaction scores for fit sensation;corrected far,intermediate,and near VA;and ease of handling were 4.1,3.4,3.6,3.5,and 3.4,*** average discomfort scores for dryness,irritation,foreign body sensation,redness,fogging,and halo were 1.7,1.8,1.5,1.7,1.7,and 1.3,***:Far,intermediate,and near VA are improved in presbyopic patients with the multifocal corneoscleral lens compared to uncorrected baseline VA,without adverse ocular *** evidence supports the safety and effecti

关键词： presbyopia multifocal lens corneoscleral lens

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Clinical Efficacy and Safety of Miniscalpel-Needle Treatment for Tension-Type Headache:A Systematic Review and Meta-Analysis

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Chinese Journal of Integrative Medicine 2020年第9期26卷 713-720页

作者： Chan-Young Kwon sang-Hoon Yoon Sun-Yong Chung Jong woo kim Department of Clinical Korean Medicine Graduate SchoolKyung Hee U niversitySeoul(02447)Republic of Korea Chung-Yeon Central Institute Gwang-juRepublic of Korea Department of Oriental Neuropsychiatry Kyung Hee University Hospital at GangdongSeoul(02447)Republic of Korea

Objective:To investigate the clinical efficacy and safety of miniscalpel-needle(MSN)treatment for tension-type headache(TTH).Method:Seven medical databases were searched to identify randomized controlled trials(RCTs)evaluating the effect and safety of MSN *** articles published up to November 15,2018 were retrieved.A meta-analysis was conducted for the included studies,and the risk of bias was *** outcomes were visual analogue scale(VAS)or numeric rating scale(NRS)*** outcomes were clinical effective rates including total effective rate(TER),markedly effective rate(MER),and totally cured rate(TCR)determined by improvement in clinical symptoms or VAS scores,the frequency of adverse events(AEs)that occurred during the study,and participant quality of life(QOL).Results:Seven RCTs involving 724 participants were *** treatment showed significantly higher MER and TCR[relative risk(RR)1.27,95%confidence interval(Cl)1.01 to 1.61;RR 1.31,95%Cl 1.09 to 1.57,respectively],but not TER(RR 1.03,95%Cl 0.96 to 1.10)compared to *** treatment plus conventional treatment showed significant lower VAS and higher TER,MER,and TCR(mean difference-3.54,95%Cl-3.80 to-3.28;RR 1.14,95%Cl 1.06 to 1.23;RR 2.31,95%Cl 1.50 to 3.58;RR 3.01,95%Cl 2.25 to 4.02,respectively)compared to conventional ***:According to current evidence,MSN treatment as a monotherapy or as an adjunctive treatment to other existing treatments might have benefits on treating ***,since the number and the sample size of studies included were both small and the methodological quality was poor,the findings of this review should be interpreted with great caution,and our confidence in the results is low.A high quality RCT using objective outcomes should be performed on this topic.

关键词： acupuncture acupotomy tension-type headache systematic review meta-analysis

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Toward neglligible memories based heterostructures charge loss in on vertically charge injection integrated 2D

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Nano Research 2016年第8期9卷 2319-2326页

作者： Dongri Qiu Dong Uk Lee Kyoung Su Lee sang woo Pak Eun Kyu kim Quantum-Function Research Laboratory and Department of Physics Hanyang University Seou104763 Republic of Korea NAND Development Division NAND Product Engineering Group SK Hynix Icheon 17336 Republic of Korea

Two-dimensional （2D） crystals have a multitude of forms, including semi-metals, semiconductors, and insulators, which are ideal for assembling isolated 2D atomic materials to create van der Waals （vdW） heterostructures. Recently, artificially-stacked materials have been considered promising candidates for nanoelectronic and optoelectronic applications. In this study, we report the vertical integration of layered structures for the fabrication of prototype non-volatile memory devices. A semiconducting-tungsten-disulfide-channel-based memory device is created by sandwiching high-density-of-states multi-layered graphene as a carrier-confining layer between tunnel barriers of hexagonal boron nitride （hBN） and silicon dioxide. The results reveal that a memory window of up to 20 V is opened, leading to a high current ratio （〉103） between programming and erasing states. The proposed design combination produced layered materials that allow devices to attain perfect retention at 13% charge loss after 10 years, offering new possibilities for the integration of transparent, flexible electronic systems.

关键词： two-dimensional (2D)material graphene hexagonal boron nitride(hBN) tungsten disulphide (WS)2 heterostructure

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Intermediate-scale Analysis of Landscape Characteristics Affecting Edge Formation in Burned Forests in Samcheok,Korea

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Journal of Mountain Science 2014年第2期11卷 384-397页

作者： sang-woo LEE Myoung-Soo WON Joo-Mee LEE Hai-Gyoung kim Department of Design Konkuk University Kwangjin-Gu Hwayang-DongSeoul 143-701 South Korea Division of Forest Disaster and Fire prevention Korea Forest Research Institute Graduate Program Department of Landscape Architecture & Urban Planning Texas A&M University College Station Yirakjae Landscape Studio Songdong-Gu Hongik-Dong 210Seoul 133-880 South Korea

Compared to burn interiors, edges exhibit distinct biotic and abiotic conditions that include microclimate, wind speed, sunlight levels, soil composition, moisture content, nutrient availability, population density, and species diversity. This study characterized the landscapes in which burned forest edges formed in Samcheok, Korea. Over the study area, 500-m2 grid cells were generated to capture landscape characteristics. Grid cells intersecting burn boundary lines were designated as edge, while cells without these lines were classified as the interior of burned areas. Topographic variables including slope, elevation, topographic wetness index, solar radiation index, and proportions of fuel and land use types within grid cells were computed in a geographical information system(GIS). Correlation analysis with modified t-test and regression tree analysis were performed to explore the influences of landscape variables on edge formation with avoiding spatial autocorrelation problems. The results indicated that edges formed at low elevations with mild slopes, high topographic wetness, and low solar radiation. Edges were unlikely to form in areas dominated by Japanese red pines at low elevations. Moreover, heterogeneous land use/cover types contributed significantly to edge formation. Different forest management strategies for different landscape conditions can be more effective for enhancing resilience of forests to fire. Reducing susceptible fuel types might be effective at low elevations, while enhancing forest heterogeneity might be more effective at high elevations.

关键词： Forest fire Modified t-test, Edge formation Fuel type Topographic characteristics

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Spontaneous rupture of adrenal myelolipoma as a cause of acute flank pain:A case report

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World Journal of Clinical Cases 2021年第22期9卷 6552-6556页

作者： Dong Soo kim Jeong woo Lee sang Hyub Lee Department of Urology School of MedicineKyung Hee UniversitySeoul 02447South Korea

BACKGROUND Adrenal myelolipoma is a rare,benign,non-functioning mass that occurs in the adrenal *** is composed of an admixture of hematopoietic elements and mature adipose tissue,similar to bone *** at large sizes,adrenal myelolipomas are usually asymptomatic and often incidentally found by ultrasonography or computed tomography(CT)*** paper describes an unusual case of adrenal myelolipoma presenting as flank *** SUMMARY A 50-year-old male with severe right flank pain underwent a CT scan revealing a huge mass extending into the suprarenal *** mass showed a fat component with retroperitoneal *** tumor was treated laparoscopically,and pathologic examination revealed features of myelolipoma originating from the adrenal *** Adrenal myelolipomas are generally asymptomatic and can be treated ***,rupture and hemorrhage of the tumor can cause symptoms requiring surgical removal.

关键词： Adrenal neoplasms Myelolipoma Adrenal glands Case report

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Validation of Sea Level Data in the East Asian Marginal Seas: Comparison between TOPEX/POSEIDON Altimeter and In-Situ Tide Gauges

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Advances in Atmospheric Sciences 2003年第4期20卷 650-660页

作者： Yong-Hoon YOUN Im sang OH Ki-Hyun kim Young-Hyang PARK Jong woo kim Meteorological Research Institute/Korea Meteorological Administration SeoulKoreaResearch Institute of OceanographySeoul National UniversitySeoulKoreaDepartment of Earth SciencesSejing UniversitySeoulKoreaLaboratoire d'Oceanographie PhysiqueMuseum National d'Histoire NaturelleParisDepartment of Earth SciencesSejong UniversitySeoulKorea

In an effort to assess the reliability of satellite altimeter systems, the authors conduct a comparative analysis of sea level data that were collected from the TOPEX/POSEIDON (T/P) altimeter and 10 tide gauges (TG) near the satellite passing ground tracks. The analysis is made using datasets collected from marginal sea regions surrounding the Korean Peninsula at T/P cycles of 2 to 230, which correspond to October 1992 to December 1998. Proper treatment of tidal errors is a very critical step in data processing because the study area has very strong tide. When the T/P data are processed, the procedures of Park and Gamberoni (1995) are adapted to reduce errors associated with the tide. When the T/P data are processed in this way, the alias periods of M2, S2, and K1 constituents are found to be 62.1, 58.7, and 173 days repectively. The compatibility of the T/P and TG datasets are examined at various filtering periods. The results indicate that the low-frequency signals of the T/P data can be interpreted more safely with longer filtering periods (such as up to the maximum selected value of 200 days). When RMS errors for the 200-day low-pass filter period are compared with all 10 tidal stations, the values span the range of 2.8 to 6.7 cm. The results of a correlation analysis for this filtering period also show a strong agreement between the T/P and TG datasets across all stations investigated (e.g.,p- values consistently less than 0.001). Hence according to the analysis, the conclusion is made that the analysis of surface sea level using satellite altimeter data can be made safely with reasonably extended filtering periods such as 200 days.

关键词： sea level TOPEX/POSEIDON altimeter tide gauge

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Investigation into charge carrier dynamics in organic light-emitting diodes

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Nano Research Energy 2024年第2期3卷 39-46页

作者： Dong-Guang Zheng Hyeon-Dong Lee Gyeong Won Lee Dong-Soo Shin Jeongwon kim Jong-In Shim Zhiqun Lin Tae-woo Lee Dong Ha kim Information Engineering College Hangzhou Dianzi UniversityHangzhou 311305China Department of Materials Science and Engineering Seoul National University1 Gwanak-roGwanak-guSeoul 08826Republic of Korea Department of Photonics and Nanoelectronics Hanyang University ERICA55 Hanyangdeahak-roSangnok-guAnsanGyeonggi 15588Republic of Korea Department of Chemistry and Nanoscience Ewha Womans University52Ewhayeodae-gilSeodaemun-guSeoul 03760Republic of Korea Department of Chemical and Biomolecular Engineering National University of Singapore4 Engineering Drive 4Singapore 117585Singapore School of Chemical and Biological Engineering Institute of Engineering ResearchResearch Institute of Advanced MaterialsSoft FoundrySeoul National University1 Gwanak-roGwanak-guSeoul 08826Republic of Korea Basic Sciences Research Institute(Priority Research Institute) Ewha Womans UniversitySeoul 03760Republic of Korea Nanobio∙Energy Materials Center(National Research Facilities and Equipment Center) Ewha Womans UniversitySeoul 03760Republic of Korea

Organic light-emitting diodes(OLEDs)have demonstrated remarkable advancements in both device lifetime and luminous ***,insufficient operation lifetime due to device degradation remains a major hurdle,especially for brighter *** the degradation mechanisms of OLEDs due to the degradation of functional materials and the formation of defects in device architectures continues to be a significant ***,we evaluate the degradation characteristics by scrutinizing the electrical and optical properties,as well as analyzing the charge carrier dynamics in pristine and aged states of phosphorescent OLEDs(PhOLEDs).We show that degradation mechanisms in PhOLEDs can be elucidated in terms of the ideality factors of current and luminance in pristine and aged device *** consistent shifts in distinct ideality factors across various states points out that the device degradation is attributed to the deterioration of the guest material,***-light-emitting phosphorescent ***,the incongruity in ideality factor changes between the two states indicates that the degradation results from the deterioration of non-light-emitting *** characterization experiments provide further evidence that this degradation is primarily attributed to the deterioration of CBP-host *** thorough understanding of degradation mechanisms established in this study can contribute to realizing the highly reliable PhOLEDs with a long lifetime.

关键词： organic light-emitting diodes ideality factor carrier transport processes degradation mechanism

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Crushed Gold Shell Nanoparticles Labeled with Radioactive Iodine as a Theranostic Nanoplatform for Macrophage-Mediated Photothermal Therapy

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Nano-Micro Letters 2019年第2期11卷 244-257页

作者： sang Bong Lee Jae-Eon Lee Sung Jin Cho Jungwook Chin sang Kyoon kim In-Kyu Lee sang-woo Lee Jaetae Lee Yong Hyun Jeon New Drug Development Center Daegu-Gyeongbuk Medical Innovation FoundationDaeguSouth Korea Department of Biomaterials Science College of Natural Resources and Life Science/Life and Industry Convergence Research InstitutePusan National UniversityPusanSouth Korea Leading-Edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease Kyungpook National University HospitalDaegu 702-210South Korea Department of Nuclear Medicine Kyungpook National University HospitalDaegu 702-210South Korea Department of Internal Medicine Kyungpook National University School of MedicineDaegu 700-721South Korea Daegu-Gyeongbuk Medical Innovation Foundation Daegu 360-4South Korea [Laboratory Animal Center Daegu-Gyeongbuk Medical Innovation FoundationDaegu 360-4South Korea

Plasmonic nanostructure-mediated photothermal therapy(PTT) has proven to be a promising approach for cancer treatment,and new approaches for its effective delivery to tumor lesions are currently being *** study aimed to assess macrophage-mediated delivery of PTT using radioiodine-124-labeled gold nanoparticles with crushed gold shells(124I-Au@AuCBs) as a theranostic nanoplatform.124I-Au@AuCBs exhibited effective photothermal conversion effects both in vitro and in vivo and were efficiently taken up by macrophages without *** the administration of 124I-Au@AuCB-labeled macrophages to colon tumors,intensive signals were observed at tumor lesions,and subsequent in vivo PTT with laser irradiation yielded potent antitumor *** results indicate the considerable potential of 124I-Au@AuCBs as novel theranostic nanomaterials and the prominent advantages of macrophage-mediated cellular therapies in treating cancer and other diseases.

关键词： Photothermal therapy Radionuclide crushed gold shell nanoballs Macrophage-mediated delivery

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Recommendation application for video head impulse test based on fuzzy logic control

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Journal of Central South University 2016年第5期23卷 1208-1214页

作者： NGUYEN Thi Anh Dao kim Dae Young LEE sang Min kim Kyu Sung Seong Ro Lee KWON Jang woo Department of Computer and Information Engineering Inha University Department of Otorhinolaryngology Inha University Hospital Department of Electronic Engineering Inha University Department of Information and Electronics Engineering Mokpo National University

Vestibulo-ocular reflex(VOR) is an important biological reflex that controls eye movement to ensure clear vision while the head is in ***,VOR measurement is commonly done with a video head impulse test based on a velocity gain algorithm or a position gain algorithm,in which velocity gain is a VOR calculation on head and eye velocity,whereas position gain is calculated from head and eye *** aim of this work is first to compare the two algorithms' performance and to detect covert catch-up saccade,then to propose a stand-alone recommendation application for the patient's *** the first experiment,for ipsilesional and contralesional sides,the calculated position gain(0.94±0.17) is higher than velocity gain(0.84±0.19).Moreover,gain asymmetry of both lesion and intact sides using velocity gain is mostly higher than that from using position gain(four out of five subjects).Consequently,for subjects who have unilateral vestibular neuritis diagnosed from clinical symptoms and a vestibular function test,vestibular weakness is depicted by velocity gain much better than by position *** catch-up saccade and position gain then are used as inputs for recommendation applications.

关键词： vestibulo-ocular response video head impulse velocity gain position gain desaccade

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Liver abscess and sepsis with Bacillus pantothenticus in an immunocompetent patient:A first case report

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World Journal of Gastroenterology 2009年第42期15卷 5360-5363页

作者： Jung Sik Na Tae Hyung kim Heung Su kim sang Hyun Park Ho Sup Song sang woo Cha Hee Jung Yoon Department of Internal Medicine Eulji University College of MedicineDaejeon 302-799South Korea

Bacillus species are aerobic,gram-positive,spore forming rods that are usually found in the soil,dust,streams,and other environmental *** for ***(***) ,most species display low virulence,and only rarely cause infections in hosts with weak or damaged immune *** are two case reports of *** as a potentially serious bacterial pathogen causing a liver abscess in an immunologically competent *** herein report a case of liver abscess and sepsis caused by *** in an immunocompetent *** now,no case of liver abscess due to *** has been reported.

关键词： Bacillus pantothenticus, Bacillus species Immunocompetence Liver abscess and sepsis

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